What is the best way to travel from San Antonio, TX to St. Louis, MO?
Looking for a trip? Compare all the available Flights and Buses for the journey to St. Louis, MO from San Antonio, TX. Check between different modes of transportation, look for the cheapest tickets, fastest rides and most popular stations, and see all 5 available companies to find your perfect trip!
What is the cheapest way to reach St. Louis, MO from San Antonio, TX?
You can get to St. Louis, MO with just $95 by taking a Flight from Frontier Airlines, but you can find many more cheap offers: we have selected the best ones for next few days here for you.
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Frontier Airlines23h 29m07:54 PMSan Antonio AirportSan Antonio Airport7:23 PMSt. Louis Lambert AirportSt. Louis Lambert Airport0EconomyA Flight from Frontier Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 6/2/2026 7:54:00 PM to St. Louis Lambert Airport, St. Louis Lambert Airport (USA) arriving at 6/3/2026 7:23:00 PM. 50 Economy ticket for $95 per person are available. Travel duration is 23h 29m
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Frontier Airlines21h 7m08:59 PMSan Antonio AirportSan Antonio Airport6:06 PMSt. Louis Lambert AirportSt. Louis Lambert Airport0EconomyA Flight from Frontier Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 6/2/2026 8:59:00 PM to St. Louis Lambert Airport, St. Louis Lambert Airport (USA) arriving at 6/3/2026 6:06:00 PM. 50 Economy ticket for $95 per person are available. Travel duration is 21h 7m
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United Airlines5h 31m06:40 AMSan Antonio AirportSan Antonio Airport12:11 PMSt. Louis Lambert AirportSt. Louis Lambert Airport0EconomyA Flight from United Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 6/2/2026 6:40:00 AM to St. Louis Lambert Airport, St. Louis Lambert Airport (USA) arriving at 6/2/2026 12:11:00 PM. 50 Economy ticket for $154 per person are available. Travel duration is 5h 31m
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United Airlines8h 1m01:20 PMSan Antonio AirportSan Antonio Airport9:21 PMSt. Louis Lambert AirportSt. Louis Lambert Airport0EconomyA Flight from United Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 6/2/2026 1:20:00 PM to St. Louis Lambert Airport, St. Louis Lambert Airport (USA) arriving at 6/2/2026 9:21:00 PM. 50 Economy ticket for $154 per person are available. Travel duration is 8h 1m
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Skyscanner5h 59m011:43 AMSan Antonio AirportSan Antonio Airport5:42 PMSt. Louis Lambert AirportSt. Louis Lambert Airport0EconomyA Flight from Skyscanner goes from San Antonio Airport, San Antonio Airport (USA) at 6/2/2026 11:43:00 AM to St. Louis Lambert Airport, St. Louis Lambert Airport (USA) arriving at 6/2/2026 5:42:00 PM. 50 Economy ticket for $428 per person are available. Travel duration is 5h 59m
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FlixBus24h 50m09:55 PMSan Antonio, TXBus Station10:45 PMSt. Louis, MOGateway Station0EconomyA Bus from FlixBus goes from Bus Station, San Antonio, TX (USA) at 6/2/2026 9:55:00 PM to Gateway Station, St. Louis, MO (USA) arriving at 6/3/2026 10:45:00 PM. 50 Economy ticket for $120 per person are available. Travel duration is 24h 50m
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Greyhound Lines Mexico21h 15m01:30 AMSan Antonio, TXBus Station10:45 PMSt. Louis, MOGateway Station0EconomyA Bus from Greyhound Lines Mexico goes from Bus Station, San Antonio, TX (USA) at 6/2/2026 1:30:00 AM to Gateway Station, St. Louis, MO (USA) arriving at 6/2/2026 10:45:00 PM. 50 Economy ticket for $121 per person are available. Travel duration is 21h 15m
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Greyhound US24h 20m012:35 PMSan Antonio, TXBus Station12:55 PMSt. Louis, MOGateway Station0EconomyA Bus from Greyhound US goes from Bus Station, San Antonio, TX (USA) at 6/2/2026 12:35:00 PM to Gateway Station, St. Louis, MO (USA) arriving at 6/3/2026 12:55:00 PM. 50 Economy ticket for $121 per person are available. Travel duration is 24h 20m
Cheapest Flights Tuesday
Cheapest Buses Tuesday
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Frontier Airlines23h 29m07:54 PMSan Antonio AirportSan Antonio Airport7:23 PMSt. Louis Lambert AirportSt. Louis Lambert Airport0EconomyA Flight from Frontier Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 6/3/2026 7:54:00 PM to St. Louis Lambert Airport, St. Louis Lambert Airport (USA) arriving at 6/4/2026 7:23:00 PM. 50 Economy ticket for $95 per person are available. Travel duration is 23h 29m
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Frontier Airlines23h 12m08:59 PMSan Antonio AirportSan Antonio Airport8:11 PMSt. Louis Lambert AirportSt. Louis Lambert Airport0EconomyA Flight from Frontier Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 6/3/2026 8:59:00 PM to St. Louis Lambert Airport, St. Louis Lambert Airport (USA) arriving at 6/4/2026 8:11:00 PM. 50 Economy ticket for $95 per person are available. Travel duration is 23h 12m
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United Airlines5h 31m06:40 AMSan Antonio AirportSan Antonio Airport12:11 PMSt. Louis Lambert AirportSt. Louis Lambert Airport0EconomyA Flight from United Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 6/3/2026 6:40:00 AM to St. Louis Lambert Airport, St. Louis Lambert Airport (USA) arriving at 6/3/2026 12:11:00 PM. 50 Economy ticket for $154 per person are available. Travel duration is 5h 31m
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United Airlines5h 59m05:30 PMSan Antonio AirportSan Antonio Airport11:29 PMSt. Louis Lambert AirportSt. Louis Lambert Airport0EconomyA Flight from United Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 6/3/2026 5:30:00 PM to St. Louis Lambert Airport, St. Louis Lambert Airport (USA) arriving at 6/3/2026 11:29:00 PM. 50 Economy ticket for $154 per person are available. Travel duration is 5h 59m
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Frontier Airlines35h 53m07:54 PMSan Antonio AirportSan Antonio Airport7:47 AMMidAmerica St. Louis AirportMidAmerica St. Louis Airport0EconomyA Flight from Frontier Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 6/3/2026 7:54:00 PM to MidAmerica St. Louis Airport, MidAmerica St. Louis Airport (USA) arriving at 6/5/2026 7:47:00 AM. 50 Economy ticket for $195 per person are available. Travel duration is 35h 53m
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Skyscanner5h 59m011:43 AMSan Antonio AirportSan Antonio Airport5:42 PMSt. Louis Lambert AirportSt. Louis Lambert Airport0EconomyA Flight from Skyscanner goes from San Antonio Airport, San Antonio Airport (USA) at 6/3/2026 11:43:00 AM to St. Louis Lambert Airport, St. Louis Lambert Airport (USA) arriving at 6/3/2026 5:42:00 PM. 50 Economy ticket for $217 per person are available. Travel duration is 5h 59m
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Greyhound Lines Mexico21h 15m01:30 AMSan Antonio, TXBus Station10:45 PMSt. Louis, MOGateway Station0EconomyA Bus from Greyhound Lines Mexico goes from Bus Station, San Antonio, TX (USA) at 6/3/2026 1:30:00 AM to Gateway Station, St. Louis, MO (USA) arriving at 6/3/2026 10:45:00 PM. 50 Economy ticket for $123 per person are available. Travel duration is 21h 15m
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Greyhound US24h 20m012:35 PMSan Antonio, TXBus Station12:55 PMSt. Louis, MOGateway Station0EconomyA Bus from Greyhound US goes from Bus Station, San Antonio, TX (USA) at 6/3/2026 12:35:00 PM to Gateway Station, St. Louis, MO (USA) arriving at 6/4/2026 12:55:00 PM. 50 Economy ticket for $124 per person are available. Travel duration is 24h 20m
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Valley Transit25h 45m09:00 PMSan Antonio, TXBus Station10:45 PMSt. Louis, MOGateway Station0EconomyA Bus from Valley Transit goes from Bus Station, San Antonio, TX (USA) at 6/3/2026 9:00:00 PM to Gateway Station, St. Louis, MO (USA) arriving at 6/4/2026 10:45:00 PM. 50 Economy ticket for $124 per person are available. Travel duration is 25h 45m
Cheapest Flights Wednesday
Cheapest Buses Wednesday
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FlixBus23h 40m07:30 AMSan Antonio, TXBus Station7:10 AMSt. Louis, MOGateway Station0EconomyA Bus from FlixBus goes from Bus Station, San Antonio, TX (USA) at 6/4/2026 7:30:00 AM to Gateway Station, St. Louis, MO (USA) arriving at 6/5/2026 7:10:00 AM. 50 Economy ticket for $111 per person are available. Travel duration is 23h 40m
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FlixBus23h 25m07:45 AMSan Antonio, TXPearl District7:10 AMSt. Louis, MOGateway Station0EconomyA Bus from FlixBus goes from Pearl District, San Antonio, TX (USA) at 6/4/2026 7:45:00 AM to Gateway Station, St. Louis, MO (USA) arriving at 6/5/2026 7:10:00 AM. 50 Economy ticket for $111 per person are available. Travel duration is 23h 25m
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Greyhound US21h 15m01:30 AMSan Antonio, TXBus Station10:45 PMSt. Louis, MOGateway Station0EconomyA Bus from Greyhound US goes from Bus Station, San Antonio, TX (USA) at 6/4/2026 1:30:00 AM to Gateway Station, St. Louis, MO (USA) arriving at 6/4/2026 10:45:00 PM. 50 Economy ticket for $111 per person are available. Travel duration is 21h 15m
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Greyhound US24h 20m012:35 PMSan Antonio, TXBus Station12:55 PMSt. Louis, MOGateway Station0EconomyA Bus from Greyhound US goes from Bus Station, San Antonio, TX (USA) at 6/4/2026 12:35:00 PM to Gateway Station, St. Louis, MO (USA) arriving at 6/5/2026 12:55:00 PM. 50 Economy ticket for $111 per person are available. Travel duration is 24h 20m
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Valley Transit25h 45m09:00 PMSan Antonio, TXBus Station10:45 PMSt. Louis, MOGateway Station0EconomyA Bus from Valley Transit goes from Bus Station, San Antonio, TX (USA) at 6/4/2026 9:00:00 PM to Gateway Station, St. Louis, MO (USA) arriving at 6/5/2026 10:45:00 PM. 50 Economy ticket for $113 per person are available. Travel duration is 25h 45m
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Frontier Airlines23h 12m08:59 PMSan Antonio AirportSan Antonio Airport8:11 PMSt. Louis Lambert AirportSt. Louis Lambert Airport0EconomyA Flight from Frontier Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 6/4/2026 8:59:00 PM to St. Louis Lambert Airport, St. Louis Lambert Airport (USA) arriving at 6/5/2026 8:11:00 PM. 50 Economy ticket for $140 per person are available. Travel duration is 23h 12m
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United Airlines5h 31m06:40 AMSan Antonio AirportSan Antonio Airport12:11 PMSt. Louis Lambert AirportSt. Louis Lambert Airport0EconomyA Flight from United Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 6/4/2026 6:40:00 AM to St. Louis Lambert Airport, St. Louis Lambert Airport (USA) arriving at 6/4/2026 12:11:00 PM. 50 Economy ticket for $195 per person are available. Travel duration is 5h 31m
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Frontier Airlines23h 29m07:54 PMSan Antonio AirportSan Antonio Airport7:23 PMSt. Louis Lambert AirportSt. Louis Lambert Airport0EconomyA Flight from Frontier Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 6/4/2026 7:54:00 PM to St. Louis Lambert Airport, St. Louis Lambert Airport (USA) arriving at 6/5/2026 7:23:00 PM. 50 Economy ticket for $204 per person are available. Travel duration is 23h 29m
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Frontier Airlines35h 23m07:54 PMSan Antonio AirportSan Antonio Airport7:17 AMMidAmerica St. Louis AirportMidAmerica St. Louis Airport0EconomyA Flight from Frontier Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 6/4/2026 7:54:00 PM to MidAmerica St. Louis Airport, MidAmerica St. Louis Airport (USA) arriving at 6/6/2026 7:17:00 AM. 50 Economy ticket for $233 per person are available. Travel duration is 35h 23m
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Breeze Airways21h 52m09:55 AMSan Antonio AirportSan Antonio Airport7:47 AMMidAmerica St. Louis AirportMidAmerica St. Louis Airport0EconomyA Flight from Breeze Airways goes from San Antonio Airport, San Antonio Airport (USA) at 6/4/2026 9:55:00 AM to MidAmerica St. Louis Airport, MidAmerica St. Louis Airport (USA) arriving at 6/5/2026 7:47:00 AM. 50 Economy ticket for $234 per person are available. Travel duration is 21h 52m
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Sun Country Airlines26h 20m06:25 PMSan Antonio AirportSan Antonio Airport8:45 PMMidAmerica St. Louis AirportMidAmerica St. Louis Airport0EconomyA Flight from Sun Country Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 6/4/2026 6:25:00 PM to MidAmerica St. Louis Airport, MidAmerica St. Louis Airport (USA) arriving at 6/5/2026 8:45:00 PM. 50 Economy ticket for $361 per person are available. Travel duration is 26h 20m
Cheapest Buses Thursday
Cheapest Flights Thursday
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Greyhound US24h 20m012:35 PMSan Antonio, TXBus Station12:55 PMSt. Louis, MOGateway Station0EconomyA Bus from Greyhound US goes from Bus Station, San Antonio, TX (USA) at 6/5/2026 12:35:00 PM to Gateway Station, St. Louis, MO (USA) arriving at 6/6/2026 12:55:00 PM. 50 Economy ticket for $118 per person are available. Travel duration is 24h 20m
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FlixBus23h 40m07:30 AMSan Antonio, TXBus Station7:10 AMSt. Louis, MOGateway Station0EconomyA Bus from FlixBus goes from Bus Station, San Antonio, TX (USA) at 6/5/2026 7:30:00 AM to Gateway Station, St. Louis, MO (USA) arriving at 6/6/2026 7:10:00 AM. 50 Economy ticket for $119 per person are available. Travel duration is 23h 40m
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FlixBus24h 50m09:55 PMSan Antonio, TXBus Station10:45 PMSt. Louis, MOGateway Station0EconomyA Bus from FlixBus goes from Bus Station, San Antonio, TX (USA) at 6/5/2026 9:55:00 PM to Gateway Station, St. Louis, MO (USA) arriving at 6/6/2026 10:45:00 PM. 50 Economy ticket for $119 per person are available. Travel duration is 24h 50m
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Greyhound US21h 15m01:30 AMSan Antonio, TXBus Station10:45 PMSt. Louis, MOGateway Station0EconomyA Bus from Greyhound US goes from Bus Station, San Antonio, TX (USA) at 6/5/2026 1:30:00 AM to Gateway Station, St. Louis, MO (USA) arriving at 6/5/2026 10:45:00 PM. 50 Economy ticket for $119 per person are available. Travel duration is 21h 15m
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Greyhound Lines Mexico21h 15m01:30 AMSan Antonio, TXBus Station10:45 PMSt. Louis, MOGateway Station0EconomyA Bus from Greyhound Lines Mexico goes from Bus Station, San Antonio, TX (USA) at 6/5/2026 1:30:00 AM to Gateway Station, St. Louis, MO (USA) arriving at 6/5/2026 10:45:00 PM. 50 Economy ticket for $138 per person are available. Travel duration is 21h 15m
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Frontier Airlines23h 29m07:54 PMSan Antonio AirportSan Antonio Airport7:23 PMSt. Louis Lambert AirportSt. Louis Lambert Airport0EconomyA Flight from Frontier Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 6/5/2026 7:54:00 PM to St. Louis Lambert Airport, St. Louis Lambert Airport (USA) arriving at 6/6/2026 7:23:00 PM. 50 Economy ticket for $120 per person are available. Travel duration is 23h 29m
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Frontier Airlines20h 35m08:59 PMSan Antonio AirportSan Antonio Airport5:34 PMSt. Louis Lambert AirportSt. Louis Lambert Airport0EconomyA Flight from Frontier Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 6/5/2026 8:59:00 PM to St. Louis Lambert Airport, St. Louis Lambert Airport (USA) arriving at 6/6/2026 5:34:00 PM. 50 Economy ticket for $204 per person are available. Travel duration is 20h 35m
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United Airlines5h 31m06:40 AMSan Antonio AirportSan Antonio Airport12:11 PMSt. Louis Lambert AirportSt. Louis Lambert Airport0EconomyA Flight from United Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 6/5/2026 6:40:00 AM to St. Louis Lambert Airport, St. Louis Lambert Airport (USA) arriving at 6/5/2026 12:11:00 PM. 50 Economy ticket for $239 per person are available. Travel duration is 5h 31m
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United Airlines8h 1m01:20 PMSan Antonio AirportSan Antonio Airport9:21 PMSt. Louis Lambert AirportSt. Louis Lambert Airport0EconomyA Flight from United Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 6/5/2026 1:20:00 PM to St. Louis Lambert Airport, St. Louis Lambert Airport (USA) arriving at 6/5/2026 9:21:00 PM. 50 Economy ticket for $239 per person are available. Travel duration is 8h 1m
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Breeze Airways22h 2m011:30 AMSan Antonio AirportSan Antonio Airport9:32 AMMidAmerica St. Louis AirportMidAmerica St. Louis Airport0EconomyA Flight from Breeze Airways goes from San Antonio Airport, San Antonio Airport (USA) at 6/5/2026 11:30:00 AM to MidAmerica St. Louis Airport, MidAmerica St. Louis Airport (USA) arriving at 6/6/2026 9:32:00 AM. 50 Economy ticket for $263 per person are available. Travel duration is 22h 2m
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Frontier Airlines41h 27m07:54 PMSan Antonio AirportSan Antonio Airport1:21 PMMidAmerica St. Louis AirportMidAmerica St. Louis Airport0EconomyA Flight from Frontier Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 6/5/2026 7:54:00 PM to MidAmerica St. Louis Airport, MidAmerica St. Louis Airport (USA) arriving at 6/7/2026 1:21:00 PM. 50 Economy ticket for $322 per person are available. Travel duration is 41h 27m
Cheapest Buses Friday
Cheapest Flights Friday
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Frontier Airlines23h 29m07:54 PMSan Antonio AirportSan Antonio Airport7:23 PMSt. Louis Lambert AirportSt. Louis Lambert Airport0EconomyA Flight from Frontier Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 6/6/2026 7:54:00 PM to St. Louis Lambert Airport, St. Louis Lambert Airport (USA) arriving at 6/7/2026 7:23:00 PM. 50 Economy ticket for $113 per person are available. Travel duration is 23h 29m
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United Airlines4h 37m05:30 AMSan Antonio AirportSan Antonio Airport10:07 AMSt. Louis Lambert AirportSt. Louis Lambert Airport0EconomyA Flight from United Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 6/6/2026 5:30:00 AM to St. Louis Lambert Airport, St. Louis Lambert Airport (USA) arriving at 6/6/2026 10:07:00 AM. 50 Economy ticket for $154 per person are available. Travel duration is 4h 37m
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United Airlines5h 31m06:40 AMSan Antonio AirportSan Antonio Airport12:11 PMSt. Louis Lambert AirportSt. Louis Lambert Airport0EconomyA Flight from United Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 6/6/2026 6:40:00 AM to St. Louis Lambert Airport, St. Louis Lambert Airport (USA) arriving at 6/6/2026 12:11:00 PM. 50 Economy ticket for $154 per person are available. Travel duration is 5h 31m
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Frontier Airlines23h 12m08:59 PMSan Antonio AirportSan Antonio Airport8:11 PMSt. Louis Lambert AirportSt. Louis Lambert Airport0EconomyA Flight from Frontier Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 6/6/2026 8:59:00 PM to St. Louis Lambert Airport, St. Louis Lambert Airport (USA) arriving at 6/7/2026 8:11:00 PM. 50 Economy ticket for $204 per person are available. Travel duration is 23h 12m
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Frontier Airlines35h 53m07:54 PMSan Antonio AirportSan Antonio Airport7:47 AMMidAmerica St. Louis AirportMidAmerica St. Louis Airport0EconomyA Flight from Frontier Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 6/6/2026 7:54:00 PM to MidAmerica St. Louis Airport, MidAmerica St. Louis Airport (USA) arriving at 6/8/2026 7:47:00 AM. 50 Economy ticket for $256 per person are available. Travel duration is 35h 53m
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Frontier Airlines23h 52m08:59 PMSan Antonio AirportSan Antonio Airport8:51 PMMidAmerica St. Louis AirportMidAmerica St. Louis Airport0EconomyA Flight from Frontier Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 6/6/2026 8:59:00 PM to MidAmerica St. Louis Airport, MidAmerica St. Louis Airport (USA) arriving at 6/7/2026 8:51:00 PM. 50 Economy ticket for $267 per person are available. Travel duration is 23h 52m
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Greyhound US21h 15m01:30 AMSan Antonio, TXBus Station10:45 PMSt. Louis, MOGateway Station0EconomyA Bus from Greyhound US goes from Bus Station, San Antonio, TX (USA) at 6/6/2026 1:30:00 AM to Gateway Station, St. Louis, MO (USA) arriving at 6/6/2026 10:45:00 PM. 50 Economy ticket for $123 per person are available. Travel duration is 21h 15m
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FlixBus23h 40m07:30 AMSan Antonio, TXBus Station7:10 AMSt. Louis, MOGateway Station0EconomyA Bus from FlixBus goes from Bus Station, San Antonio, TX (USA) at 6/6/2026 7:30:00 AM to Gateway Station, St. Louis, MO (USA) arriving at 6/7/2026 7:10:00 AM. 50 Economy ticket for $124 per person are available. Travel duration is 23h 40m
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FlixBus23h 25m07:45 AMSan Antonio, TXPearl District7:10 AMSt. Louis, MOGateway Station0EconomyA Bus from FlixBus goes from Pearl District, San Antonio, TX (USA) at 6/6/2026 7:45:00 AM to Gateway Station, St. Louis, MO (USA) arriving at 6/7/2026 7:10:00 AM. 50 Economy ticket for $124 per person are available. Travel duration is 23h 25m
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Greyhound US24h 20m012:35 PMSan Antonio, TXBus Station12:55 PMSt. Louis, MOGateway Station0EconomyA Bus from Greyhound US goes from Bus Station, San Antonio, TX (USA) at 6/6/2026 12:35:00 PM to Gateway Station, St. Louis, MO (USA) arriving at 6/7/2026 12:55:00 PM. 50 Economy ticket for $124 per person are available. Travel duration is 24h 20m
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Greyhound Lines Mexico21h 15m01:30 AMSan Antonio, TXBus Station10:45 PMSt. Louis, MOGateway Station0EconomyA Bus from Greyhound Lines Mexico goes from Bus Station, San Antonio, TX (USA) at 6/6/2026 1:30:00 AM to Gateway Station, St. Louis, MO (USA) arriving at 6/6/2026 10:45:00 PM. 50 Economy ticket for $128 per person are available. Travel duration is 21h 15m
Cheapest Flights Saturday
Cheapest Buses Saturday
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FlixBus23h 40m07:30 AMSan Antonio, TXBus Station7:10 AMSt. Louis, MOGateway Station0EconomyA Bus from FlixBus goes from Bus Station, San Antonio, TX (USA) at 6/7/2026 7:30:00 AM to Gateway Station, St. Louis, MO (USA) arriving at 6/8/2026 7:10:00 AM. 50 Economy ticket for $120 per person are available. Travel duration is 23h 40m
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FlixBus24h 50m09:55 PMSan Antonio, TXBus Station10:45 PMSt. Louis, MOGateway Station0EconomyA Bus from FlixBus goes from Bus Station, San Antonio, TX (USA) at 6/7/2026 9:55:00 PM to Gateway Station, St. Louis, MO (USA) arriving at 6/8/2026 10:45:00 PM. 50 Economy ticket for $120 per person are available. Travel duration is 24h 50m
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Greyhound US21h 15m01:30 AMSan Antonio, TXBus Station10:45 PMSt. Louis, MOGateway Station0EconomyA Bus from Greyhound US goes from Bus Station, San Antonio, TX (USA) at 6/7/2026 1:30:00 AM to Gateway Station, St. Louis, MO (USA) arriving at 6/7/2026 10:45:00 PM. 50 Economy ticket for $121 per person are available. Travel duration is 21h 15m
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Greyhound US24h 20m012:35 PMSan Antonio, TXBus Station12:55 PMSt. Louis, MOGateway Station0EconomyA Bus from Greyhound US goes from Bus Station, San Antonio, TX (USA) at 6/7/2026 12:35:00 PM to Gateway Station, St. Louis, MO (USA) arriving at 6/8/2026 12:55:00 PM. 50 Economy ticket for $123 per person are available. Travel duration is 24h 20m
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Greyhound Lines Mexico21h 15m01:30 AMSan Antonio, TXBus Station10:45 PMSt. Louis, MOGateway Station0EconomyA Bus from Greyhound Lines Mexico goes from Bus Station, San Antonio, TX (USA) at 6/7/2026 1:30:00 AM to Gateway Station, St. Louis, MO (USA) arriving at 6/7/2026 10:45:00 PM. 50 Economy ticket for $125 per person are available. Travel duration is 21h 15m
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Frontier Airlines23h 29m07:54 PMSan Antonio AirportSan Antonio Airport7:23 PMSt. Louis Lambert AirportSt. Louis Lambert Airport0EconomyA Flight from Frontier Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 6/7/2026 7:54:00 PM to St. Louis Lambert Airport, St. Louis Lambert Airport (USA) arriving at 6/8/2026 7:23:00 PM. 50 Economy ticket for $247 per person are available. Travel duration is 23h 29m
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United Airlines4h 37m05:30 AMSan Antonio AirportSan Antonio Airport10:07 AMSt. Louis Lambert AirportSt. Louis Lambert Airport0EconomyA Flight from United Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 6/7/2026 5:30:00 AM to St. Louis Lambert Airport, St. Louis Lambert Airport (USA) arriving at 6/7/2026 10:07:00 AM. 50 Economy ticket for $283 per person are available. Travel duration is 4h 37m
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United Airlines7h 12m05:30 AMSan Antonio AirportSan Antonio Airport12:42 PMSt. Louis Lambert AirportSt. Louis Lambert Airport0EconomyA Flight from United Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 6/7/2026 5:30:00 AM to St. Louis Lambert Airport, St. Louis Lambert Airport (USA) arriving at 6/7/2026 12:42:00 PM. 50 Economy ticket for $283 per person are available. Travel duration is 7h 12m
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Frontier Airlines23h 12m08:59 PMSan Antonio AirportSan Antonio Airport8:11 PMSt. Louis Lambert AirportSt. Louis Lambert Airport0EconomyA Flight from Frontier Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 6/7/2026 8:59:00 PM to St. Louis Lambert Airport, St. Louis Lambert Airport (USA) arriving at 6/8/2026 8:11:00 PM. 50 Economy ticket for $288 per person are available. Travel duration is 23h 12m
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Alaska Airlines24h 48m05:57 PMSan Antonio AirportSan Antonio Airport6:45 PMSt. Louis Lambert AirportSt. Louis Lambert Airport0EconomyA Flight from Alaska Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 6/7/2026 5:57:00 PM to St. Louis Lambert Airport, St. Louis Lambert Airport (USA) arriving at 6/8/2026 6:45:00 PM. 50 Economy ticket for $582 per person are available. Travel duration is 24h 48m
Cheapest Buses Sunday
Cheapest Flights Sunday
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FlixBus23h 40m07:30 AMSan Antonio, TXBus Station7:10 AMSt. Louis, MOGateway Station0EconomyA Bus from FlixBus goes from Bus Station, San Antonio, TX (USA) at 6/8/2026 7:30:00 AM to Gateway Station, St. Louis, MO (USA) arriving at 6/9/2026 7:10:00 AM. 50 Economy ticket for $109 per person are available. Travel duration is 23h 40m
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FlixBus24h 50m09:55 PMSan Antonio, TXBus Station10:45 PMSt. Louis, MOGateway Station0EconomyA Bus from FlixBus goes from Bus Station, San Antonio, TX (USA) at 6/8/2026 9:55:00 PM to Gateway Station, St. Louis, MO (USA) arriving at 6/9/2026 10:45:00 PM. 50 Economy ticket for $109 per person are available. Travel duration is 24h 50m
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Greyhound US21h 15m01:30 AMSan Antonio, TXBus Station10:45 PMSt. Louis, MOGateway Station0EconomyA Bus from Greyhound US goes from Bus Station, San Antonio, TX (USA) at 6/8/2026 1:30:00 AM to Gateway Station, St. Louis, MO (USA) arriving at 6/8/2026 10:45:00 PM. 50 Economy ticket for $110 per person are available. Travel duration is 21h 15m
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Greyhound US24h 20m012:35 PMSan Antonio, TXBus Station12:55 PMSt. Louis, MOGateway Station0EconomyA Bus from Greyhound US goes from Bus Station, San Antonio, TX (USA) at 6/8/2026 12:35:00 PM to Gateway Station, St. Louis, MO (USA) arriving at 6/9/2026 12:55:00 PM. 50 Economy ticket for $110 per person are available. Travel duration is 24h 20m
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Greyhound Lines Mexico21h 15m01:30 AMSan Antonio, TXBus Station10:45 PMSt. Louis, MOGateway Station0EconomyA Bus from Greyhound Lines Mexico goes from Bus Station, San Antonio, TX (USA) at 6/8/2026 1:30:00 AM to Gateway Station, St. Louis, MO (USA) arriving at 6/8/2026 10:45:00 PM. 50 Economy ticket for $111 per person are available. Travel duration is 21h 15m
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United Airlines5h 59m05:30 PMSan Antonio AirportSan Antonio Airport11:29 PMSt. Louis Lambert AirportSt. Louis Lambert Airport0EconomyA Flight from United Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 6/8/2026 5:30:00 PM to St. Louis Lambert Airport, St. Louis Lambert Airport (USA) arriving at 6/8/2026 11:29:00 PM. 50 Economy ticket for $185 per person are available. Travel duration is 5h 59m
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United Airlines7h 22m04:35 PMSan Antonio AirportSan Antonio Airport11:57 PMSt. Louis Lambert AirportSt. Louis Lambert Airport0EconomyA Flight from United Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 6/8/2026 4:35:00 PM to St. Louis Lambert Airport, St. Louis Lambert Airport (USA) arriving at 6/8/2026 11:57:00 PM. 50 Economy ticket for $193 per person are available. Travel duration is 7h 22m
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Frontier Airlines23h 29m07:54 PMSan Antonio AirportSan Antonio Airport7:23 PMSt. Louis Lambert AirportSt. Louis Lambert Airport0EconomyA Flight from Frontier Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 6/8/2026 7:54:00 PM to St. Louis Lambert Airport, St. Louis Lambert Airport (USA) arriving at 6/9/2026 7:23:00 PM. 50 Economy ticket for $198 per person are available. Travel duration is 23h 29m
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Frontier Airlines19h 19m07:54 PMSan Antonio AirportSan Antonio Airport3:13 PMMidAmerica St. Louis AirportMidAmerica St. Louis Airport0EconomyA Flight from Frontier Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 6/8/2026 7:54:00 PM to MidAmerica St. Louis Airport, MidAmerica St. Louis Airport (USA) arriving at 6/9/2026 3:13:00 PM. 50 Economy ticket for $233 per person are available. Travel duration is 19h 19m
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Frontier Airlines20h 6m08:59 PMSan Antonio AirportSan Antonio Airport5:05 PMSt. Louis Lambert AirportSt. Louis Lambert Airport0EconomyA Flight from Frontier Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 6/8/2026 8:59:00 PM to St. Louis Lambert Airport, St. Louis Lambert Airport (USA) arriving at 6/9/2026 5:05:00 PM. 50 Economy ticket for $239 per person are available. Travel duration is 20h 6m
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Alaska Airlines29h 57m05:57 PMSan Antonio AirportSan Antonio Airport11:54 PMSt. Louis Lambert AirportSt. Louis Lambert Airport0EconomyA Flight from Alaska Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 6/8/2026 5:57:00 PM to St. Louis Lambert Airport, St. Louis Lambert Airport (USA) arriving at 6/9/2026 11:54:00 PM. 50 Economy ticket for $445 per person are available. Travel duration is 29h 57m
Cheapest Buses Monday
Cheapest Flights Monday
What are the fastest trips from San Antonio, TX to St. Louis, MO?
You can get to St. Louis, MO from San Antonio, TX in just 4h 37m with a Flight from United Airlines. This is not the only option, and you can click on any of the offers below to compare it with the other modes of transportations.
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United Airlines5h 31m06:40 AMSan Antonio AirportSan Antonio Airport12:11 PMSt. Louis Lambert AirportSt. Louis Lambert Airport0EconomyA Flight from United Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 6/2/2026 6:40:00 AM to St. Louis Lambert Airport, St. Louis Lambert Airport (USA) arriving at 6/2/2026 12:11:00 PM. 50 Economy ticket for $154 per person are available. Travel duration is 5h 31m
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Skyscanner5h 59m011:43 AMSan Antonio AirportSan Antonio Airport5:42 PMSt. Louis Lambert AirportSt. Louis Lambert Airport0EconomyA Flight from Skyscanner goes from San Antonio Airport, San Antonio Airport (USA) at 6/2/2026 11:43:00 AM to St. Louis Lambert Airport, St. Louis Lambert Airport (USA) arriving at 6/2/2026 5:42:00 PM. 50 Economy ticket for $428 per person are available. Travel duration is 5h 59m
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United Airlines8h 1m01:20 PMSan Antonio AirportSan Antonio Airport9:21 PMSt. Louis Lambert AirportSt. Louis Lambert Airport0EconomyA Flight from United Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 6/2/2026 1:20:00 PM to St. Louis Lambert Airport, St. Louis Lambert Airport (USA) arriving at 6/2/2026 9:21:00 PM. 50 Economy ticket for $154 per person are available. Travel duration is 8h 1m
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Frontier Airlines21h 7m08:59 PMSan Antonio AirportSan Antonio Airport6:06 PMSt. Louis Lambert AirportSt. Louis Lambert Airport0EconomyA Flight from Frontier Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 6/2/2026 8:59:00 PM to St. Louis Lambert Airport, St. Louis Lambert Airport (USA) arriving at 6/3/2026 6:06:00 PM. 50 Economy ticket for $95 per person are available. Travel duration is 21h 7m
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Frontier Airlines23h 29m07:54 PMSan Antonio AirportSan Antonio Airport7:23 PMSt. Louis Lambert AirportSt. Louis Lambert Airport0EconomyA Flight from Frontier Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 6/2/2026 7:54:00 PM to St. Louis Lambert Airport, St. Louis Lambert Airport (USA) arriving at 6/3/2026 7:23:00 PM. 50 Economy ticket for $95 per person are available. Travel duration is 23h 29m
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Greyhound Lines Mexico21h 15m01:30 AMSan Antonio, TXBus Station10:45 PMSt. Louis, MOGateway Station0EconomyA Bus from Greyhound Lines Mexico goes from Bus Station, San Antonio, TX (USA) at 6/2/2026 1:30:00 AM to Gateway Station, St. Louis, MO (USA) arriving at 6/2/2026 10:45:00 PM. 50 Economy ticket for $121 per person are available. Travel duration is 21h 15m
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Greyhound US24h 20m012:35 PMSan Antonio, TXBus Station12:55 PMSt. Louis, MOGateway Station0EconomyA Bus from Greyhound US goes from Bus Station, San Antonio, TX (USA) at 6/2/2026 12:35:00 PM to Gateway Station, St. Louis, MO (USA) arriving at 6/3/2026 12:55:00 PM. 50 Economy ticket for $121 per person are available. Travel duration is 24h 20m
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FlixBus24h 50m09:55 PMSan Antonio, TXBus Station10:45 PMSt. Louis, MOGateway Station0EconomyA Bus from FlixBus goes from Bus Station, San Antonio, TX (USA) at 6/2/2026 9:55:00 PM to Gateway Station, St. Louis, MO (USA) arriving at 6/3/2026 10:45:00 PM. 50 Economy ticket for $120 per person are available. Travel duration is 24h 50m
Fastest Flights Tuesday
Fastest Buses Tuesday
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United Airlines5h 31m06:40 AMSan Antonio AirportSan Antonio Airport12:11 PMSt. Louis Lambert AirportSt. Louis Lambert Airport0EconomyA Flight from United Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 6/3/2026 6:40:00 AM to St. Louis Lambert Airport, St. Louis Lambert Airport (USA) arriving at 6/3/2026 12:11:00 PM. 50 Economy ticket for $154 per person are available. Travel duration is 5h 31m
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United Airlines5h 59m05:30 PMSan Antonio AirportSan Antonio Airport11:29 PMSt. Louis Lambert AirportSt. Louis Lambert Airport0EconomyA Flight from United Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 6/3/2026 5:30:00 PM to St. Louis Lambert Airport, St. Louis Lambert Airport (USA) arriving at 6/3/2026 11:29:00 PM. 50 Economy ticket for $154 per person are available. Travel duration is 5h 59m
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Skyscanner5h 59m011:43 AMSan Antonio AirportSan Antonio Airport5:42 PMSt. Louis Lambert AirportSt. Louis Lambert Airport0EconomyA Flight from Skyscanner goes from San Antonio Airport, San Antonio Airport (USA) at 6/3/2026 11:43:00 AM to St. Louis Lambert Airport, St. Louis Lambert Airport (USA) arriving at 6/3/2026 5:42:00 PM. 50 Economy ticket for $217 per person are available. Travel duration is 5h 59m
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Frontier Airlines17h 27m07:54 PMSan Antonio AirportSan Antonio Airport1:21 PMMidAmerica St. Louis AirportMidAmerica St. Louis Airport0EconomyA Flight from Frontier Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 6/3/2026 7:54:00 PM to MidAmerica St. Louis Airport, MidAmerica St. Louis Airport (USA) arriving at 6/4/2026 1:21:00 PM. 50 Economy ticket for $226 per person are available. Travel duration is 17h 27m
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Frontier Airlines23h 12m08:59 PMSan Antonio AirportSan Antonio Airport8:11 PMSt. Louis Lambert AirportSt. Louis Lambert Airport0EconomyA Flight from Frontier Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 6/3/2026 8:59:00 PM to St. Louis Lambert Airport, St. Louis Lambert Airport (USA) arriving at 6/4/2026 8:11:00 PM. 50 Economy ticket for $95 per person are available. Travel duration is 23h 12m
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Volaris23h 19m09:32 PMSan Antonio AirportSan Antonio Airport8:51 PMMidAmerica St. Louis AirportMidAmerica St. Louis Airport0EconomyA Flight from Volaris goes from San Antonio Airport, San Antonio Airport (USA) at 6/3/2026 9:32:00 PM to MidAmerica St. Louis Airport, MidAmerica St. Louis Airport (USA) arriving at 6/4/2026 8:51:00 PM. 50 Economy ticket for $539 per person are available. Travel duration is 23h 19m
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Greyhound Lines Mexico21h 15m01:30 AMSan Antonio, TXBus Station10:45 PMSt. Louis, MOGateway Station0EconomyA Bus from Greyhound Lines Mexico goes from Bus Station, San Antonio, TX (USA) at 6/3/2026 1:30:00 AM to Gateway Station, St. Louis, MO (USA) arriving at 6/3/2026 10:45:00 PM. 50 Economy ticket for $123 per person are available. Travel duration is 21h 15m
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Greyhound US24h 20m012:35 PMSan Antonio, TXBus Station12:55 PMSt. Louis, MOGateway Station0EconomyA Bus from Greyhound US goes from Bus Station, San Antonio, TX (USA) at 6/3/2026 12:35:00 PM to Gateway Station, St. Louis, MO (USA) arriving at 6/4/2026 12:55:00 PM. 50 Economy ticket for $124 per person are available. Travel duration is 24h 20m
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Valley Transit25h 45m09:00 PMSan Antonio, TXBus Station10:45 PMSt. Louis, MOGateway Station0EconomyA Bus from Valley Transit goes from Bus Station, San Antonio, TX (USA) at 6/3/2026 9:00:00 PM to Gateway Station, St. Louis, MO (USA) arriving at 6/4/2026 10:45:00 PM. 50 Economy ticket for $124 per person are available. Travel duration is 25h 45m
Fastest Flights Wednesday
Fastest Buses Wednesday
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United Airlines5h 31m06:40 AMSan Antonio AirportSan Antonio Airport12:11 PMSt. Louis Lambert AirportSt. Louis Lambert Airport0EconomyA Flight from United Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 6/4/2026 6:40:00 AM to St. Louis Lambert Airport, St. Louis Lambert Airport (USA) arriving at 6/4/2026 12:11:00 PM. 50 Economy ticket for $195 per person are available. Travel duration is 5h 31m
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Skyscanner5h 59m011:43 AMSan Antonio AirportSan Antonio Airport5:42 PMSt. Louis Lambert AirportSt. Louis Lambert Airport0EconomyA Flight from Skyscanner goes from San Antonio Airport, San Antonio Airport (USA) at 6/4/2026 11:43:00 AM to St. Louis Lambert Airport, St. Louis Lambert Airport (USA) arriving at 6/4/2026 5:42:00 PM. 50 Economy ticket for $430 per person are available. Travel duration is 5h 59m
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Frontier Airlines18h 27m07:54 PMSan Antonio AirportSan Antonio Airport2:21 PMMidAmerica St. Louis AirportMidAmerica St. Louis Airport0EconomyA Flight from Frontier Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 6/4/2026 7:54:00 PM to MidAmerica St. Louis Airport, MidAmerica St. Louis Airport (USA) arriving at 6/5/2026 2:21:00 PM. 50 Economy ticket for $403 per person are available. Travel duration is 18h 27m
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Breeze Airways21h 52m09:55 AMSan Antonio AirportSan Antonio Airport7:47 AMMidAmerica St. Louis AirportMidAmerica St. Louis Airport0EconomyA Flight from Breeze Airways goes from San Antonio Airport, San Antonio Airport (USA) at 6/4/2026 9:55:00 AM to MidAmerica St. Louis Airport, MidAmerica St. Louis Airport (USA) arriving at 6/5/2026 7:47:00 AM. 50 Economy ticket for $234 per person are available. Travel duration is 21h 52m
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Frontier Airlines23h 12m08:59 PMSan Antonio AirportSan Antonio Airport8:11 PMSt. Louis Lambert AirportSt. Louis Lambert Airport0EconomyA Flight from Frontier Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 6/4/2026 8:59:00 PM to St. Louis Lambert Airport, St. Louis Lambert Airport (USA) arriving at 6/5/2026 8:11:00 PM. 50 Economy ticket for $140 per person are available. Travel duration is 23h 12m
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Frontier Airlines23h 29m07:54 PMSan Antonio AirportSan Antonio Airport7:23 PMSt. Louis Lambert AirportSt. Louis Lambert Airport0EconomyA Flight from Frontier Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 6/4/2026 7:54:00 PM to St. Louis Lambert Airport, St. Louis Lambert Airport (USA) arriving at 6/5/2026 7:23:00 PM. 50 Economy ticket for $204 per person are available. Travel duration is 23h 29m
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Greyhound US21h 15m01:30 AMSan Antonio, TXBus Station10:45 PMSt. Louis, MOGateway Station0EconomyA Bus from Greyhound US goes from Bus Station, San Antonio, TX (USA) at 6/4/2026 1:30:00 AM to Gateway Station, St. Louis, MO (USA) arriving at 6/4/2026 10:45:00 PM. 50 Economy ticket for $111 per person are available. Travel duration is 21h 15m
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FlixBus23h 25m07:45 AMSan Antonio, TXPearl District7:10 AMSt. Louis, MOGateway Station0EconomyA Bus from FlixBus goes from Pearl District, San Antonio, TX (USA) at 6/4/2026 7:45:00 AM to Gateway Station, St. Louis, MO (USA) arriving at 6/5/2026 7:10:00 AM. 50 Economy ticket for $111 per person are available. Travel duration is 23h 25m
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FlixBus23h 40m07:30 AMSan Antonio, TXBus Station7:10 AMSt. Louis, MOGateway Station0EconomyA Bus from FlixBus goes from Bus Station, San Antonio, TX (USA) at 6/4/2026 7:30:00 AM to Gateway Station, St. Louis, MO (USA) arriving at 6/5/2026 7:10:00 AM. 50 Economy ticket for $111 per person are available. Travel duration is 23h 40m
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Greyhound US24h 20m012:35 PMSan Antonio, TXBus Station12:55 PMSt. Louis, MOGateway Station0EconomyA Bus from Greyhound US goes from Bus Station, San Antonio, TX (USA) at 6/4/2026 12:35:00 PM to Gateway Station, St. Louis, MO (USA) arriving at 6/5/2026 12:55:00 PM. 50 Economy ticket for $111 per person are available. Travel duration is 24h 20m
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Valley Transit25h 45m09:00 PMSan Antonio, TXBus Station10:45 PMSt. Louis, MOGateway Station0EconomyA Bus from Valley Transit goes from Bus Station, San Antonio, TX (USA) at 6/4/2026 9:00:00 PM to Gateway Station, St. Louis, MO (USA) arriving at 6/5/2026 10:45:00 PM. 50 Economy ticket for $113 per person are available. Travel duration is 25h 45m
Fastest Flights Thursday
Fastest Buses Thursday
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United Airlines5h 31m06:40 AMSan Antonio AirportSan Antonio Airport12:11 PMSt. Louis Lambert AirportSt. Louis Lambert Airport0EconomyA Flight from United Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 6/5/2026 6:40:00 AM to St. Louis Lambert Airport, St. Louis Lambert Airport (USA) arriving at 6/5/2026 12:11:00 PM. 50 Economy ticket for $239 per person are available. Travel duration is 5h 31m
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United Airlines8h 1m01:20 PMSan Antonio AirportSan Antonio Airport9:21 PMSt. Louis Lambert AirportSt. Louis Lambert Airport0EconomyA Flight from United Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 6/5/2026 1:20:00 PM to St. Louis Lambert Airport, St. Louis Lambert Airport (USA) arriving at 6/5/2026 9:21:00 PM. 50 Economy ticket for $239 per person are available. Travel duration is 8h 1m
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Alaska Airlines11h 45m07:00 AMSan Antonio AirportSan Antonio Airport6:45 PMSt. Louis Lambert AirportSt. Louis Lambert Airport0EconomyA Flight from Alaska Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 6/5/2026 7:00:00 AM to St. Louis Lambert Airport, St. Louis Lambert Airport (USA) arriving at 6/5/2026 6:45:00 PM. 50 Economy ticket for $483 per person are available. Travel duration is 11h 45m
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Frontier Airlines20h 35m08:59 PMSan Antonio AirportSan Antonio Airport5:34 PMSt. Louis Lambert AirportSt. Louis Lambert Airport0EconomyA Flight from Frontier Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 6/5/2026 8:59:00 PM to St. Louis Lambert Airport, St. Louis Lambert Airport (USA) arriving at 6/6/2026 5:34:00 PM. 50 Economy ticket for $204 per person are available. Travel duration is 20h 35m
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Breeze Airways22h 2m011:30 AMSan Antonio AirportSan Antonio Airport9:32 AMMidAmerica St. Louis AirportMidAmerica St. Louis Airport0EconomyA Flight from Breeze Airways goes from San Antonio Airport, San Antonio Airport (USA) at 6/5/2026 11:30:00 AM to MidAmerica St. Louis Airport, MidAmerica St. Louis Airport (USA) arriving at 6/6/2026 9:32:00 AM. 50 Economy ticket for $263 per person are available. Travel duration is 22h 2m
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Frontier Airlines23h 29m07:54 PMSan Antonio AirportSan Antonio Airport7:23 PMSt. Louis Lambert AirportSt. Louis Lambert Airport0EconomyA Flight from Frontier Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 6/5/2026 7:54:00 PM to St. Louis Lambert Airport, St. Louis Lambert Airport (USA) arriving at 6/6/2026 7:23:00 PM. 50 Economy ticket for $120 per person are available. Travel duration is 23h 29m
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Greyhound US21h 15m01:30 AMSan Antonio, TXBus Station10:45 PMSt. Louis, MOGateway Station0EconomyA Bus from Greyhound US goes from Bus Station, San Antonio, TX (USA) at 6/5/2026 1:30:00 AM to Gateway Station, St. Louis, MO (USA) arriving at 6/5/2026 10:45:00 PM. 50 Economy ticket for $119 per person are available. Travel duration is 21h 15m
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Greyhound Lines Mexico21h 15m01:30 AMSan Antonio, TXBus Station10:45 PMSt. Louis, MOGateway Station0EconomyA Bus from Greyhound Lines Mexico goes from Bus Station, San Antonio, TX (USA) at 6/5/2026 1:30:00 AM to Gateway Station, St. Louis, MO (USA) arriving at 6/5/2026 10:45:00 PM. 50 Economy ticket for $138 per person are available. Travel duration is 21h 15m
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FlixBus23h 40m07:30 AMSan Antonio, TXBus Station7:10 AMSt. Louis, MOGateway Station0EconomyA Bus from FlixBus goes from Bus Station, San Antonio, TX (USA) at 6/5/2026 7:30:00 AM to Gateway Station, St. Louis, MO (USA) arriving at 6/6/2026 7:10:00 AM. 50 Economy ticket for $119 per person are available. Travel duration is 23h 40m
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Greyhound US24h 20m012:35 PMSan Antonio, TXBus Station12:55 PMSt. Louis, MOGateway Station0EconomyA Bus from Greyhound US goes from Bus Station, San Antonio, TX (USA) at 6/5/2026 12:35:00 PM to Gateway Station, St. Louis, MO (USA) arriving at 6/6/2026 12:55:00 PM. 50 Economy ticket for $118 per person are available. Travel duration is 24h 20m
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FlixBus24h 50m09:55 PMSan Antonio, TXBus Station10:45 PMSt. Louis, MOGateway Station0EconomyA Bus from FlixBus goes from Bus Station, San Antonio, TX (USA) at 6/5/2026 9:55:00 PM to Gateway Station, St. Louis, MO (USA) arriving at 6/6/2026 10:45:00 PM. 50 Economy ticket for $119 per person are available. Travel duration is 24h 50m
Fastest Flights Friday
Fastest Buses Friday
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United Airlines4h 37m05:30 AMSan Antonio AirportSan Antonio Airport10:07 AMSt. Louis Lambert AirportSt. Louis Lambert Airport0EconomyA Flight from United Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 6/6/2026 5:30:00 AM to St. Louis Lambert Airport, St. Louis Lambert Airport (USA) arriving at 6/6/2026 10:07:00 AM. 50 Economy ticket for $154 per person are available. Travel duration is 4h 37m
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United Airlines5h 31m06:40 AMSan Antonio AirportSan Antonio Airport12:11 PMSt. Louis Lambert AirportSt. Louis Lambert Airport0EconomyA Flight from United Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 6/6/2026 6:40:00 AM to St. Louis Lambert Airport, St. Louis Lambert Airport (USA) arriving at 6/6/2026 12:11:00 PM. 50 Economy ticket for $154 per person are available. Travel duration is 5h 31m
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Skyscanner6h 35m02:15 PMSan Antonio AirportSan Antonio Airport8:50 PMSt. Louis Lambert AirportSt. Louis Lambert Airport0EconomyA Flight from Skyscanner goes from San Antonio Airport, San Antonio Airport (USA) at 6/6/2026 2:15:00 PM to St. Louis Lambert Airport, St. Louis Lambert Airport (USA) arriving at 6/6/2026 8:50:00 PM. 50 Economy ticket for $331 per person are available. Travel duration is 6h 35m
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Frontier Airlines23h 12m08:59 PMSan Antonio AirportSan Antonio Airport8:11 PMSt. Louis Lambert AirportSt. Louis Lambert Airport0EconomyA Flight from Frontier Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 6/6/2026 8:59:00 PM to St. Louis Lambert Airport, St. Louis Lambert Airport (USA) arriving at 6/7/2026 8:11:00 PM. 50 Economy ticket for $204 per person are available. Travel duration is 23h 12m
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Volaris23h 19m09:32 PMSan Antonio AirportSan Antonio Airport8:51 PMMidAmerica St. Louis AirportMidAmerica St. Louis Airport0EconomyA Flight from Volaris goes from San Antonio Airport, San Antonio Airport (USA) at 6/6/2026 9:32:00 PM to MidAmerica St. Louis Airport, MidAmerica St. Louis Airport (USA) arriving at 6/7/2026 8:51:00 PM. 50 Economy ticket for $544 per person are available. Travel duration is 23h 19m
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Frontier Airlines23h 29m07:54 PMSan Antonio AirportSan Antonio Airport7:23 PMSt. Louis Lambert AirportSt. Louis Lambert Airport0EconomyA Flight from Frontier Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 6/6/2026 7:54:00 PM to St. Louis Lambert Airport, St. Louis Lambert Airport (USA) arriving at 6/7/2026 7:23:00 PM. 50 Economy ticket for $113 per person are available. Travel duration is 23h 29m
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Greyhound US21h 15m01:30 AMSan Antonio, TXBus Station10:45 PMSt. Louis, MOGateway Station0EconomyA Bus from Greyhound US goes from Bus Station, San Antonio, TX (USA) at 6/6/2026 1:30:00 AM to Gateway Station, St. Louis, MO (USA) arriving at 6/6/2026 10:45:00 PM. 50 Economy ticket for $123 per person are available. Travel duration is 21h 15m
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Greyhound Lines Mexico21h 15m01:30 AMSan Antonio, TXBus Station10:45 PMSt. Louis, MOGateway Station0EconomyA Bus from Greyhound Lines Mexico goes from Bus Station, San Antonio, TX (USA) at 6/6/2026 1:30:00 AM to Gateway Station, St. Louis, MO (USA) arriving at 6/6/2026 10:45:00 PM. 50 Economy ticket for $128 per person are available. Travel duration is 21h 15m
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FlixBus23h 25m07:45 AMSan Antonio, TXPearl District7:10 AMSt. Louis, MOGateway Station0EconomyA Bus from FlixBus goes from Pearl District, San Antonio, TX (USA) at 6/6/2026 7:45:00 AM to Gateway Station, St. Louis, MO (USA) arriving at 6/7/2026 7:10:00 AM. 50 Economy ticket for $124 per person are available. Travel duration is 23h 25m
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FlixBus23h 40m07:30 AMSan Antonio, TXBus Station7:10 AMSt. Louis, MOGateway Station0EconomyA Bus from FlixBus goes from Bus Station, San Antonio, TX (USA) at 6/6/2026 7:30:00 AM to Gateway Station, St. Louis, MO (USA) arriving at 6/7/2026 7:10:00 AM. 50 Economy ticket for $124 per person are available. Travel duration is 23h 40m
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Greyhound US24h 20m012:35 PMSan Antonio, TXBus Station12:55 PMSt. Louis, MOGateway Station0EconomyA Bus from Greyhound US goes from Bus Station, San Antonio, TX (USA) at 6/6/2026 12:35:00 PM to Gateway Station, St. Louis, MO (USA) arriving at 6/7/2026 12:55:00 PM. 50 Economy ticket for $124 per person are available. Travel duration is 24h 20m
Fastest Flights Saturday
Fastest Buses Saturday
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United Airlines4h 37m05:30 AMSan Antonio AirportSan Antonio Airport10:07 AMSt. Louis Lambert AirportSt. Louis Lambert Airport0EconomyA Flight from United Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 6/7/2026 5:30:00 AM to St. Louis Lambert Airport, St. Louis Lambert Airport (USA) arriving at 6/7/2026 10:07:00 AM. 50 Economy ticket for $283 per person are available. Travel duration is 4h 37m
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United Airlines7h 12m05:30 AMSan Antonio AirportSan Antonio Airport12:42 PMSt. Louis Lambert AirportSt. Louis Lambert Airport0EconomyA Flight from United Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 6/7/2026 5:30:00 AM to St. Louis Lambert Airport, St. Louis Lambert Airport (USA) arriving at 6/7/2026 12:42:00 PM. 50 Economy ticket for $283 per person are available. Travel duration is 7h 12m
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Frontier Airlines23h 12m08:59 PMSan Antonio AirportSan Antonio Airport8:11 PMSt. Louis Lambert AirportSt. Louis Lambert Airport0EconomyA Flight from Frontier Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 6/7/2026 8:59:00 PM to St. Louis Lambert Airport, St. Louis Lambert Airport (USA) arriving at 6/8/2026 8:11:00 PM. 50 Economy ticket for $288 per person are available. Travel duration is 23h 12m
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Frontier Airlines23h 29m07:54 PMSan Antonio AirportSan Antonio Airport7:23 PMSt. Louis Lambert AirportSt. Louis Lambert Airport0EconomyA Flight from Frontier Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 6/7/2026 7:54:00 PM to St. Louis Lambert Airport, St. Louis Lambert Airport (USA) arriving at 6/8/2026 7:23:00 PM. 50 Economy ticket for $247 per person are available. Travel duration is 23h 29m
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Alaska Airlines24h 48m05:57 PMSan Antonio AirportSan Antonio Airport6:45 PMSt. Louis Lambert AirportSt. Louis Lambert Airport0EconomyA Flight from Alaska Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 6/7/2026 5:57:00 PM to St. Louis Lambert Airport, St. Louis Lambert Airport (USA) arriving at 6/8/2026 6:45:00 PM. 50 Economy ticket for $582 per person are available. Travel duration is 24h 48m
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Greyhound US21h 15m01:30 AMSan Antonio, TXBus Station10:45 PMSt. Louis, MOGateway Station0EconomyA Bus from Greyhound US goes from Bus Station, San Antonio, TX (USA) at 6/7/2026 1:30:00 AM to Gateway Station, St. Louis, MO (USA) arriving at 6/7/2026 10:45:00 PM. 50 Economy ticket for $121 per person are available. Travel duration is 21h 15m
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Greyhound Lines Mexico21h 15m01:30 AMSan Antonio, TXBus Station10:45 PMSt. Louis, MOGateway Station0EconomyA Bus from Greyhound Lines Mexico goes from Bus Station, San Antonio, TX (USA) at 6/7/2026 1:30:00 AM to Gateway Station, St. Louis, MO (USA) arriving at 6/7/2026 10:45:00 PM. 50 Economy ticket for $125 per person are available. Travel duration is 21h 15m
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FlixBus23h 40m07:30 AMSan Antonio, TXBus Station7:10 AMSt. Louis, MOGateway Station0EconomyA Bus from FlixBus goes from Bus Station, San Antonio, TX (USA) at 6/7/2026 7:30:00 AM to Gateway Station, St. Louis, MO (USA) arriving at 6/8/2026 7:10:00 AM. 50 Economy ticket for $120 per person are available. Travel duration is 23h 40m
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Greyhound US24h 20m012:35 PMSan Antonio, TXBus Station12:55 PMSt. Louis, MOGateway Station0EconomyA Bus from Greyhound US goes from Bus Station, San Antonio, TX (USA) at 6/7/2026 12:35:00 PM to Gateway Station, St. Louis, MO (USA) arriving at 6/8/2026 12:55:00 PM. 50 Economy ticket for $123 per person are available. Travel duration is 24h 20m
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FlixBus24h 50m09:55 PMSan Antonio, TXBus Station10:45 PMSt. Louis, MOGateway Station0EconomyA Bus from FlixBus goes from Bus Station, San Antonio, TX (USA) at 6/7/2026 9:55:00 PM to Gateway Station, St. Louis, MO (USA) arriving at 6/8/2026 10:45:00 PM. 50 Economy ticket for $120 per person are available. Travel duration is 24h 50m
Fastest Flights Sunday
Fastest Buses Sunday
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United Airlines5h 59m05:30 PMSan Antonio AirportSan Antonio Airport11:29 PMSt. Louis Lambert AirportSt. Louis Lambert Airport0EconomyA Flight from United Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 6/8/2026 5:30:00 PM to St. Louis Lambert Airport, St. Louis Lambert Airport (USA) arriving at 6/8/2026 11:29:00 PM. 50 Economy ticket for $185 per person are available. Travel duration is 5h 59m
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United Airlines7h 22m04:35 PMSan Antonio AirportSan Antonio Airport11:57 PMSt. Louis Lambert AirportSt. Louis Lambert Airport0EconomyA Flight from United Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 6/8/2026 4:35:00 PM to St. Louis Lambert Airport, St. Louis Lambert Airport (USA) arriving at 6/8/2026 11:57:00 PM. 50 Economy ticket for $193 per person are available. Travel duration is 7h 22m
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Frontier Airlines19h 19m07:54 PMSan Antonio AirportSan Antonio Airport3:13 PMMidAmerica St. Louis AirportMidAmerica St. Louis Airport0EconomyA Flight from Frontier Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 6/8/2026 7:54:00 PM to MidAmerica St. Louis Airport, MidAmerica St. Louis Airport (USA) arriving at 6/9/2026 3:13:00 PM. 50 Economy ticket for $233 per person are available. Travel duration is 19h 19m
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Frontier Airlines20h 6m08:59 PMSan Antonio AirportSan Antonio Airport5:05 PMSt. Louis Lambert AirportSt. Louis Lambert Airport0EconomyA Flight from Frontier Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 6/8/2026 8:59:00 PM to St. Louis Lambert Airport, St. Louis Lambert Airport (USA) arriving at 6/9/2026 5:05:00 PM. 50 Economy ticket for $239 per person are available. Travel duration is 20h 6m
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Frontier Airlines23h 29m07:54 PMSan Antonio AirportSan Antonio Airport7:23 PMSt. Louis Lambert AirportSt. Louis Lambert Airport0EconomyA Flight from Frontier Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 6/8/2026 7:54:00 PM to St. Louis Lambert Airport, St. Louis Lambert Airport (USA) arriving at 6/9/2026 7:23:00 PM. 50 Economy ticket for $198 per person are available. Travel duration is 23h 29m
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Alaska Airlines29h 57m05:57 PMSan Antonio AirportSan Antonio Airport11:54 PMSt. Louis Lambert AirportSt. Louis Lambert Airport0EconomyA Flight from Alaska Airlines goes from San Antonio Airport, San Antonio Airport (USA) at 6/8/2026 5:57:00 PM to St. Louis Lambert Airport, St. Louis Lambert Airport (USA) arriving at 6/9/2026 11:54:00 PM. 50 Economy ticket for $445 per person are available. Travel duration is 29h 57m
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Greyhound US21h 15m01:30 AMSan Antonio, TXBus Station10:45 PMSt. Louis, MOGateway Station0EconomyA Bus from Greyhound US goes from Bus Station, San Antonio, TX (USA) at 6/8/2026 1:30:00 AM to Gateway Station, St. Louis, MO (USA) arriving at 6/8/2026 10:45:00 PM. 50 Economy ticket for $110 per person are available. Travel duration is 21h 15m
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Greyhound Lines Mexico21h 15m01:30 AMSan Antonio, TXBus Station10:45 PMSt. Louis, MOGateway Station0EconomyA Bus from Greyhound Lines Mexico goes from Bus Station, San Antonio, TX (USA) at 6/8/2026 1:30:00 AM to Gateway Station, St. Louis, MO (USA) arriving at 6/8/2026 10:45:00 PM. 50 Economy ticket for $111 per person are available. Travel duration is 21h 15m
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FlixBus23h 40m07:30 AMSan Antonio, TXBus Station7:10 AMSt. Louis, MOGateway Station0EconomyA Bus from FlixBus goes from Bus Station, San Antonio, TX (USA) at 6/8/2026 7:30:00 AM to Gateway Station, St. Louis, MO (USA) arriving at 6/9/2026 7:10:00 AM. 50 Economy ticket for $109 per person are available. Travel duration is 23h 40m
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Greyhound US24h 20m012:35 PMSan Antonio, TXBus Station12:55 PMSt. Louis, MOGateway Station0EconomyA Bus from Greyhound US goes from Bus Station, San Antonio, TX (USA) at 6/8/2026 12:35:00 PM to Gateway Station, St. Louis, MO (USA) arriving at 6/9/2026 12:55:00 PM. 50 Economy ticket for $110 per person are available. Travel duration is 24h 20m
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FlixBus24h 50m09:55 PMSan Antonio, TXBus Station10:45 PMSt. Louis, MOGateway Station0EconomyA Bus from FlixBus goes from Bus Station, San Antonio, TX (USA) at 6/8/2026 9:55:00 PM to Gateway Station, St. Louis, MO (USA) arriving at 6/9/2026 10:45:00 PM. 50 Economy ticket for $109 per person are available. Travel duration is 24h 50m
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Here you will find all operators and timetables for a
Bus from San Antonio, TX to St. Louis, MO
What are the most popular stations in San Antonio, TX and St. Louis, MO?
In San Antonio, TX, you will usually depart from Tornado Bus Company, Bus Station or W. Southcross & Buffalo Bus Stop, while in St. Louis, MO you will be arriving at Skinker Boulevard, Lindbergh @ Hackberry NB Bus Stop or Gateway Station, but there are many more stops to explore in both locations.
How do I decide? Some tips and tricks from our experience
Are you having trouble deciding on how to get to St. Louis, MO from San Antonio, TX? With 12 connections between 5 Flight and Bus operators, it can be difficult to find the one ride that will make you happy. But we have some tips that can help you make the best informed decision. First of all, the best trip is always the one that meets all your needs, so make a list of all the things that you want from this journey and look for something that will satisfy all of them. Here we will go through some of the factors mostly commonly taken into consideration.
Look for the lowest price
Ticket price is usually the main concern: even if you can afford to pay more, why do it if there are cheaper options? Saving on the trip means that you can spend more on the vacation itself! Between San Antonio, TX and St. Louis, MO, you can pay as low as $95 with a Flight from Frontier Airlines.Travel duration
Time is also an important factor. An earlier departure may allow you to see a beautiful sunset or relax before an important event. And remember, time is money, so paying more for a shorter trip may be well worth it. For longer distances, flights are without doubt the best options, but be mindful of airport times and possible delays: a high-speed train may end up cheaper and faster! Here the quicker option is definitely the Flight from United Airlines: you will get to St. Louis, MO in just 4h 37m.Comfort makes all the difference
You should always take into account what your personal travelling preferences are. Is one hand luggage enough, or are you trasporting more? Would you like to have a snack during the journey? Can you relax in a busy compartment, or do you need space for yourself? Even among the same mode of transportation, different companies will offer you varying levels of comfort and amenities. The main operators connecting San Antonio, TX and St. Louis, MO are Frontier Airlines, United Airlines and FlixBus, but be sure to check what they have to offer!Save money with deals, and always compare
One last tip? Even if you live in San Antonio, TX and St. Louis, MO is your only destination, it may be wise to check the offers from and to nearby cities or, if you are flyng, nearby airports. Check the trips from Olmos Park, TX or to Sauget, IL, and look at flights from San Antonio Airport, and landing at St. Louis Lambert Airport. Comparing different routes may allow you to find deals or promotions you were not aware of. Consider also signing up to CheckMyBus to see even more exclusive promotions!Which companies offer a trip from San Antonio, TX to St. Louis, MO?
The most popular companies between San Antonio, TX and St. Louis, MO, are Frontier Airlines, United Airlines and FlixBus. Be sure to check their seat class offers and the amenities that they provide.
Bus companies: FlixBus, Greyhound US, Greyhound Lines Mexico and 1 more.
Airlines: Frontier Airlines, United Airlines, Volaris and 4 more.
All you need to know when you travel from San Antonio, TX to St. Louis, MO
Check all information on comfort and services on all modes of transports from San Antonio, TX to St. Louis, MO. See which seat classes are available, and what amenities are other advantages offered by the operators on your journey.
FAQs about the trip from San Antonio, TX to St. Louis, MO
How can I reach St. Louis, MO from San Antonio, TX?
Every day, there are on average 12 connections between Flight and Bus, with which you can get to St. Louis, MO from San Antonio, TX.
How far is St. Louis, MO from San Antonio, TX?
The distance between San Antonio, TX and St. Louis, MO is 792.3 miles.
What is the most ecofriendly mode of transport between San Antonio, TX and St. Louis, MO?
Trains and buses are by far the greenest options, with trains surpassing buses on longer routes. Planes will always be the worst polluters, especially in shorter flights, were the emissions from the takeoff and landing are less offset by the distance.
On this particular route, a bus will emit, per person, a total of 34 kgs of CO2, a train 45 kgs, a car 217 kgs, and a flight 314 kgs.
What is the cheapest mode of transport from San Antonio, TX to St. Louis, MO?
You can get to St. Louis, MO with just $95 by taking a Flight from Frontier Airlines.
What is the fastest way to get from San Antonio, TX to St. Louis, MO?
While a plane is travelling fastest boarding and transfer to airport consumes a lot of time. Usually, high speed trains are better than flights if pure train travel time is below 4 hours. For this particular route, you can get to St. Louis, MO in just 4h 37m with a Flight from United Airlines.
More routes to San Antonio, TX and to St. Louis, MO
Looking for more options? Here you can see the most popular routes to San Antonio, TX and to St. Louis, MO. Simply click on a connection, and you’ll find all the details about the route!
