What is the best way to travel from Denver to San Antonio, TX?
Looking for a trip? Compare all the available Flights and Buses for the journey to San Antonio, TX from Denver. Check between different modes of transportation, look for the cheapest tickets, fastest rides and most popular stations, and see all 2 available companies to find your perfect trip!
What is the cheapest way to reach San Antonio, TX from Denver?
You can get to San Antonio, TX with just $76 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 Airlines2h 17m03:42 PMDenver AirportDenver Airport6:59 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Frontier Airlines goes from Denver Airport, Denver Airport (USA) at 6/2/2026 3:42:00 PM to San Antonio Airport, San Antonio Airport (USA) arriving at 6/2/2026 6:59:00 PM. 50 Economy ticket for $77 per person are available. Travel duration is 2h 17m
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United Airlines2h 11m01:44 PMDenver AirportDenver Airport4:55 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from United Airlines goes from Denver Airport, Denver Airport (USA) at 6/2/2026 1:44:00 PM to San Antonio Airport, San Antonio Airport (USA) arriving at 6/2/2026 4:55:00 PM. 50 Economy ticket for $147 per person are available. Travel duration is 2h 11m
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Alaska Airlines9h 19m07:21 PMDenver AirportDenver Airport5:40 AMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Alaska Airlines goes from Denver Airport, Denver Airport (USA) at 6/2/2026 7:21:00 PM to San Antonio Airport, San Antonio Airport (USA) arriving at 6/3/2026 5:40:00 AM. 50 Economy ticket for $304 per person are available. Travel duration is 9h 19m
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Volaris25h 27m01:53 PMDenver AirportDenver Airport4:20 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Volaris goes from Denver Airport, Denver Airport (USA) at 6/2/2026 1:53:00 PM to San Antonio Airport, San Antonio Airport (USA) arriving at 6/3/2026 4:20:00 PM. 50 Economy ticket for $321 per person are available. Travel duration is 25h 27m
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Aeroméxico24h 56m02:24 PMDenver AirportDenver Airport4:20 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Aeroméxico goes from Denver Airport, Denver Airport (USA) at 6/2/2026 2:24:00 PM to San Antonio Airport, San Antonio Airport (USA) arriving at 6/3/2026 4:20:00 PM. 50 Economy ticket for $372 per person are available. Travel duration is 24h 56m
Cheapest Flights Tuesday
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Greyhound US21h 20m08:10 PMDenverUnion Station6:30 PMSan Antonio, TXBus Station0EconomyA Bus from Greyhound US goes from Union Station, Denver (USA) at 6/3/2026 8:10:00 PM to Bus Station, San Antonio, TX (USA) arriving at 6/4/2026 6:30:00 PM. 50 Economy ticket for $121 per person are available. Travel duration is 21h 20m
Cheapest Buses Wednesday
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Frontier Airlines2h 17m03:42 PMDenver AirportDenver Airport6:59 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Frontier Airlines goes from Denver Airport, Denver Airport (USA) at 6/4/2026 3:42:00 PM to San Antonio Airport, San Antonio Airport (USA) arriving at 6/4/2026 6:59:00 PM. 50 Economy ticket for $90 per person are available. Travel duration is 2h 17m
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Frontier Airlines13h 4m06:10 AMDenver AirportDenver Airport8:14 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Frontier Airlines goes from Denver Airport, Denver Airport (USA) at 6/4/2026 6:10:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 6/4/2026 8:14:00 PM. 50 Economy ticket for $114 per person are available. Travel duration is 13h 4m
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United Airlines2h 8m09:35 AMDenver AirportDenver Airport12:43 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from United Airlines goes from Denver Airport, Denver Airport (USA) at 6/4/2026 9:35:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 6/4/2026 12:43:00 PM. 50 Economy ticket for $154 per person are available. Travel duration is 2h 8m
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United Airlines2h 11m01:44 PMDenver AirportDenver Airport4:55 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from United Airlines goes from Denver Airport, Denver Airport (USA) at 6/4/2026 1:44:00 PM to San Antonio Airport, San Antonio Airport (USA) arriving at 6/4/2026 4:55:00 PM. 50 Economy ticket for $154 per person are available. Travel duration is 2h 11m
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Sun Country Airlines14h 16m06:25 PMDenver AirportDenver Airport9:41 AMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Sun Country Airlines goes from Denver Airport, Denver Airport (USA) at 6/4/2026 6:25:00 PM to San Antonio Airport, San Antonio Airport (USA) arriving at 6/5/2026 9:41:00 AM. 50 Economy ticket for $208 per person are available. Travel duration is 14h 16m
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Greyhound US21h 20m08:10 PMDenverUnion Station6:30 PMSan Antonio, TXBus Station0EconomyA Bus from Greyhound US goes from Union Station, Denver (USA) at 6/4/2026 8:10:00 PM to Bus Station, San Antonio, TX (USA) arriving at 6/5/2026 6:30:00 PM. 50 Economy ticket for $105 per person are available. Travel duration is 21h 20m
Cheapest Flights Thursday
Cheapest Buses Thursday
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Frontier Airlines20h 45m010:29 PMDenver AirportDenver Airport8:14 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Frontier Airlines goes from Denver Airport, Denver Airport (USA) at 6/5/2026 10:29:00 PM to San Antonio Airport, San Antonio Airport (USA) arriving at 6/6/2026 8:14:00 PM. 50 Economy ticket for $112 per person are available. Travel duration is 20h 45m
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Frontier Airlines13h 4m06:10 AMDenver AirportDenver Airport8:14 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Frontier Airlines goes from Denver Airport, Denver Airport (USA) at 6/5/2026 6:10:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 6/5/2026 8:14:00 PM. 50 Economy ticket for $120 per person are available. Travel duration is 13h 4m
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United Airlines2h 8m09:35 AMDenver AirportDenver Airport12:43 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from United Airlines goes from Denver Airport, Denver Airport (USA) at 6/5/2026 9:35:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 6/5/2026 12:43:00 PM. 50 Economy ticket for $229 per person are available. Travel duration is 2h 8m
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United Airlines2h 11m01:44 PMDenver AirportDenver Airport4:55 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from United Airlines goes from Denver Airport, Denver Airport (USA) at 6/5/2026 1:44:00 PM to San Antonio Airport, San Antonio Airport (USA) arriving at 6/5/2026 4:55:00 PM. 50 Economy ticket for $229 per person are available. Travel duration is 2h 11m
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Alaska Airlines9h 19m07:21 PMDenver AirportDenver Airport5:40 AMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Alaska Airlines goes from Denver Airport, Denver Airport (USA) at 6/5/2026 7:21:00 PM to San Antonio Airport, San Antonio Airport (USA) arriving at 6/6/2026 5:40:00 AM. 50 Economy ticket for $305 per person are available. Travel duration is 9h 19m
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FlixBus26h 55m01:40 PMDenverUnion Station5:35 PMSan Antonio, TXBus Station0EconomyA Bus from FlixBus goes from Union Station, Denver (USA) at 6/5/2026 1:40:00 PM to Bus Station, San Antonio, TX (USA) arriving at 6/6/2026 5:35:00 PM. 50 Economy ticket for $124 per person are available. Travel duration is 26h 55m
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Greyhound US21h 20m08:10 PMDenverUnion Station6:30 PMSan Antonio, TXBus Station0EconomyA Bus from Greyhound US goes from Union Station, Denver (USA) at 6/5/2026 8:10:00 PM to Bus Station, San Antonio, TX (USA) arriving at 6/6/2026 6:30:00 PM. 50 Economy ticket for $125 per person are available. Travel duration is 21h 20m
Cheapest Flights Friday
Cheapest Buses Friday
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Frontier Airlines2h 17m03:42 PMDenver AirportDenver Airport6:59 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Frontier Airlines goes from Denver Airport, Denver Airport (USA) at 6/6/2026 3:42:00 PM to San Antonio Airport, San Antonio Airport (USA) arriving at 6/6/2026 6:59:00 PM. 50 Economy ticket for $76 per person are available. Travel duration is 2h 17m
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United Airlines2h 8m09:35 AMDenver AirportDenver Airport12:43 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from United Airlines goes from Denver Airport, Denver Airport (USA) at 6/6/2026 9:35:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 6/6/2026 12:43:00 PM. 50 Economy ticket for $165 per person are available. Travel duration is 2h 8m
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Sun Country Airlines22h 0m010:49 AMDenver AirportDenver Airport9:49 AMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Sun Country Airlines goes from Denver Airport, Denver Airport (USA) at 6/6/2026 10:49:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 6/7/2026 9:49:00 AM. 50 Economy ticket for $208 per person are available. Travel duration is 22h 0m
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Alaska Airlines22h 40m06:00 AMDenver AirportDenver Airport5:40 AMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Alaska Airlines goes from Denver Airport, Denver Airport (USA) at 6/6/2026 6:00:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 6/7/2026 5:40:00 AM. 50 Economy ticket for $327 per person are available. Travel duration is 22h 40m
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Volaris25h 27m01:53 PMDenver AirportDenver Airport4:20 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Volaris goes from Denver Airport, Denver Airport (USA) at 6/6/2026 1:53:00 PM to San Antonio Airport, San Antonio Airport (USA) arriving at 6/7/2026 4:20:00 PM. 50 Economy ticket for $341 per person are available. Travel duration is 25h 27m
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Greyhound US21h 20m08:10 PMDenverUnion Station6:30 PMSan Antonio, TXBus Station0EconomyA Bus from Greyhound US goes from Union Station, Denver (USA) at 6/6/2026 8:10:00 PM to Bus Station, San Antonio, TX (USA) arriving at 6/7/2026 6:30:00 PM. 50 Economy ticket for $116 per person are available. Travel duration is 21h 20m
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FlixBus26h 55m01:40 PMDenverUnion Station5:35 PMSan Antonio, TXBus Station0EconomyA Bus from FlixBus goes from Union Station, Denver (USA) at 6/6/2026 1:40:00 PM to Bus Station, San Antonio, TX (USA) arriving at 6/7/2026 5:35:00 PM. 50 Economy ticket for $120 per person are available. Travel duration is 26h 55m
Cheapest Flights Saturday
Cheapest Buses Saturday
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FlixBus26h 55m01:40 PMDenverUnion Station5:35 PMSan Antonio, TXBus Station0EconomyA Bus from FlixBus goes from Union Station, Denver (USA) at 6/7/2026 1:40:00 PM to Bus Station, San Antonio, TX (USA) arriving at 6/8/2026 5:35:00 PM. 50 Economy ticket for $117 per person are available. Travel duration is 26h 55m
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Greyhound US21h 20m08:10 PMDenverUnion Station6:30 PMSan Antonio, TXBus Station0EconomyA Bus from Greyhound US goes from Union Station, Denver (USA) at 6/7/2026 8:10:00 PM to Bus Station, San Antonio, TX (USA) arriving at 6/8/2026 6:30:00 PM. 50 Economy ticket for $118 per person are available. Travel duration is 21h 20m
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Frontier Airlines2h 17m03:42 PMDenver AirportDenver Airport6:59 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Frontier Airlines goes from Denver Airport, Denver Airport (USA) at 6/7/2026 3:42:00 PM to San Antonio Airport, San Antonio Airport (USA) arriving at 6/7/2026 6:59:00 PM. 50 Economy ticket for $134 per person are available. Travel duration is 2h 17m
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United Airlines2h 11m01:48 PMDenver AirportDenver Airport4:59 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from United Airlines goes from Denver Airport, Denver Airport (USA) at 6/7/2026 1:48:00 PM to San Antonio Airport, San Antonio Airport (USA) arriving at 6/7/2026 4:59:00 PM. 50 Economy ticket for $234 per person are available. Travel duration is 2h 11m
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Sun Country Airlines22h 29m010:20 AMDenver AirportDenver Airport9:49 AMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Sun Country Airlines goes from Denver Airport, Denver Airport (USA) at 6/7/2026 10:20:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 6/8/2026 9:49:00 AM. 50 Economy ticket for $296 per person are available. Travel duration is 22h 29m
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Volaris25h 27m01:53 PMDenver AirportDenver Airport4:20 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Volaris goes from Denver Airport, Denver Airport (USA) at 6/7/2026 1:53:00 PM to San Antonio Airport, San Antonio Airport (USA) arriving at 6/8/2026 4:20:00 PM. 50 Economy ticket for $348 per person are available. Travel duration is 25h 27m
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Aeroméxico18h 51m02:24 PMDenver AirportDenver Airport10:15 AMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Aeroméxico goes from Denver Airport, Denver Airport (USA) at 6/7/2026 2:24:00 PM to San Antonio Airport, San Antonio Airport (USA) arriving at 6/8/2026 10:15:00 AM. 50 Economy ticket for $382 per person are available. Travel duration is 18h 51m
Cheapest Buses Sunday
Cheapest Flights Sunday
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Frontier Airlines2h 17m03:42 PMDenver AirportDenver Airport6:59 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Frontier Airlines goes from Denver Airport, Denver Airport (USA) at 6/8/2026 3:42:00 PM to San Antonio Airport, San Antonio Airport (USA) arriving at 6/8/2026 6:59:00 PM. 50 Economy ticket for $90 per person are available. Travel duration is 2h 17m
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Frontier Airlines8h 41m010:33 AMDenver AirportDenver Airport8:14 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Frontier Airlines goes from Denver Airport, Denver Airport (USA) at 6/8/2026 10:33:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 6/8/2026 8:14:00 PM. 50 Economy ticket for $134 per person are available. Travel duration is 8h 41m
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United Airlines2h 15m05:39 PMDenver AirportDenver Airport8:54 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from United Airlines goes from Denver Airport, Denver Airport (USA) at 6/8/2026 5:39:00 PM to San Antonio Airport, San Antonio Airport (USA) arriving at 6/8/2026 8:54:00 PM. 50 Economy ticket for $164 per person are available. Travel duration is 2h 15m
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United Airlines2h 16m08:39 PMDenver AirportDenver Airport11:55 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from United Airlines goes from Denver Airport, Denver Airport (USA) at 6/8/2026 8:39:00 PM to San Antonio Airport, San Antonio Airport (USA) arriving at 6/8/2026 11:55:00 PM. 50 Economy ticket for $164 per person are available. Travel duration is 2h 16m
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Volaris25h 27m01:53 PMDenver AirportDenver Airport4:20 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Volaris goes from Denver Airport, Denver Airport (USA) at 6/8/2026 1:53:00 PM to San Antonio Airport, San Antonio Airport (USA) arriving at 6/9/2026 4:20:00 PM. 50 Economy ticket for $348 per person are available. Travel duration is 25h 27m
Cheapest Flights Monday
What are the fastest trips from Denver to San Antonio, TX?
You can get to San Antonio, TX from Denver in just 2h 8m 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 Airlines2h 11m01:44 PMDenver AirportDenver Airport4:55 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from United Airlines goes from Denver Airport, Denver Airport (USA) at 6/2/2026 1:44:00 PM to San Antonio Airport, San Antonio Airport (USA) arriving at 6/2/2026 4:55:00 PM. 50 Economy ticket for $147 per person are available. Travel duration is 2h 11m
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Frontier Airlines2h 17m03:42 PMDenver AirportDenver Airport6:59 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Frontier Airlines goes from Denver Airport, Denver Airport (USA) at 6/2/2026 3:42:00 PM to San Antonio Airport, San Antonio Airport (USA) arriving at 6/2/2026 6:59:00 PM. 50 Economy ticket for $77 per person are available. Travel duration is 2h 17m
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Alaska Airlines9h 19m07:21 PMDenver AirportDenver Airport5:40 AMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Alaska Airlines goes from Denver Airport, Denver Airport (USA) at 6/2/2026 7:21:00 PM to San Antonio Airport, San Antonio Airport (USA) arriving at 6/3/2026 5:40:00 AM. 50 Economy ticket for $304 per person are available. Travel duration is 9h 19m
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Aeroméxico24h 56m02:24 PMDenver AirportDenver Airport4:20 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Aeroméxico goes from Denver Airport, Denver Airport (USA) at 6/2/2026 2:24:00 PM to San Antonio Airport, San Antonio Airport (USA) arriving at 6/3/2026 4:20:00 PM. 50 Economy ticket for $372 per person are available. Travel duration is 24h 56m
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Volaris25h 27m01:53 PMDenver AirportDenver Airport4:20 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Volaris goes from Denver Airport, Denver Airport (USA) at 6/2/2026 1:53:00 PM to San Antonio Airport, San Antonio Airport (USA) arriving at 6/3/2026 4:20:00 PM. 50 Economy ticket for $321 per person are available. Travel duration is 25h 27m
Fastest Flights Tuesday
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Greyhound US21h 20m08:10 PMDenverUnion Station6:30 PMSan Antonio, TXBus Station0EconomyA Bus from Greyhound US goes from Union Station, Denver (USA) at 6/3/2026 8:10:00 PM to Bus Station, San Antonio, TX (USA) arriving at 6/4/2026 6:30:00 PM. 50 Economy ticket for $121 per person are available. Travel duration is 21h 20m
Fastest Buses Wednesday
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United Airlines2h 8m09:35 AMDenver AirportDenver Airport12:43 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from United Airlines goes from Denver Airport, Denver Airport (USA) at 6/4/2026 9:35:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 6/4/2026 12:43:00 PM. 50 Economy ticket for $154 per person are available. Travel duration is 2h 8m
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United Airlines2h 11m01:44 PMDenver AirportDenver Airport4:55 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from United Airlines goes from Denver Airport, Denver Airport (USA) at 6/4/2026 1:44:00 PM to San Antonio Airport, San Antonio Airport (USA) arriving at 6/4/2026 4:55:00 PM. 50 Economy ticket for $154 per person are available. Travel duration is 2h 11m
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Frontier Airlines2h 17m03:42 PMDenver AirportDenver Airport6:59 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Frontier Airlines goes from Denver Airport, Denver Airport (USA) at 6/4/2026 3:42:00 PM to San Antonio Airport, San Antonio Airport (USA) arriving at 6/4/2026 6:59:00 PM. 50 Economy ticket for $90 per person are available. Travel duration is 2h 17m
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Frontier Airlines13h 4m06:10 AMDenver AirportDenver Airport8:14 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Frontier Airlines goes from Denver Airport, Denver Airport (USA) at 6/4/2026 6:10:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 6/4/2026 8:14:00 PM. 50 Economy ticket for $114 per person are available. Travel duration is 13h 4m
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Sun Country Airlines14h 16m06:25 PMDenver AirportDenver Airport9:41 AMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Sun Country Airlines goes from Denver Airport, Denver Airport (USA) at 6/4/2026 6:25:00 PM to San Antonio Airport, San Antonio Airport (USA) arriving at 6/5/2026 9:41:00 AM. 50 Economy ticket for $208 per person are available. Travel duration is 14h 16m
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Greyhound US21h 20m08:10 PMDenverUnion Station6:30 PMSan Antonio, TXBus Station0EconomyA Bus from Greyhound US goes from Union Station, Denver (USA) at 6/4/2026 8:10:00 PM to Bus Station, San Antonio, TX (USA) arriving at 6/5/2026 6:30:00 PM. 50 Economy ticket for $105 per person are available. Travel duration is 21h 20m
Fastest Flights Thursday
Fastest Buses Thursday
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United Airlines2h 8m09:35 AMDenver AirportDenver Airport12:43 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from United Airlines goes from Denver Airport, Denver Airport (USA) at 6/5/2026 9:35:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 6/5/2026 12:43:00 PM. 50 Economy ticket for $229 per person are available. Travel duration is 2h 8m
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United Airlines2h 11m01:44 PMDenver AirportDenver Airport4:55 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from United Airlines goes from Denver Airport, Denver Airport (USA) at 6/5/2026 1:44:00 PM to San Antonio Airport, San Antonio Airport (USA) arriving at 6/5/2026 4:55:00 PM. 50 Economy ticket for $229 per person are available. Travel duration is 2h 11m
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Alaska Airlines9h 19m07:21 PMDenver AirportDenver Airport5:40 AMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Alaska Airlines goes from Denver Airport, Denver Airport (USA) at 6/5/2026 7:21:00 PM to San Antonio Airport, San Antonio Airport (USA) arriving at 6/6/2026 5:40:00 AM. 50 Economy ticket for $305 per person are available. Travel duration is 9h 19m
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Frontier Airlines13h 4m06:10 AMDenver AirportDenver Airport8:14 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Frontier Airlines goes from Denver Airport, Denver Airport (USA) at 6/5/2026 6:10:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 6/5/2026 8:14:00 PM. 50 Economy ticket for $120 per person are available. Travel duration is 13h 4m
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Frontier Airlines20h 45m010:29 PMDenver AirportDenver Airport8:14 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Frontier Airlines goes from Denver Airport, Denver Airport (USA) at 6/5/2026 10:29:00 PM to San Antonio Airport, San Antonio Airport (USA) arriving at 6/6/2026 8:14:00 PM. 50 Economy ticket for $112 per person are available. Travel duration is 20h 45m
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Greyhound US21h 20m08:10 PMDenverUnion Station6:30 PMSan Antonio, TXBus Station0EconomyA Bus from Greyhound US goes from Union Station, Denver (USA) at 6/5/2026 8:10:00 PM to Bus Station, San Antonio, TX (USA) arriving at 6/6/2026 6:30:00 PM. 50 Economy ticket for $125 per person are available. Travel duration is 21h 20m
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FlixBus26h 55m01:40 PMDenverUnion Station5:35 PMSan Antonio, TXBus Station0EconomyA Bus from FlixBus goes from Union Station, Denver (USA) at 6/5/2026 1:40:00 PM to Bus Station, San Antonio, TX (USA) arriving at 6/6/2026 5:35:00 PM. 50 Economy ticket for $124 per person are available. Travel duration is 26h 55m
Fastest Flights Friday
Fastest Buses Friday
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United Airlines2h 8m09:35 AMDenver AirportDenver Airport12:43 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from United Airlines goes from Denver Airport, Denver Airport (USA) at 6/6/2026 9:35:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 6/6/2026 12:43:00 PM. 50 Economy ticket for $165 per person are available. Travel duration is 2h 8m
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Frontier Airlines2h 17m03:42 PMDenver AirportDenver Airport6:59 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Frontier Airlines goes from Denver Airport, Denver Airport (USA) at 6/6/2026 3:42:00 PM to San Antonio Airport, San Antonio Airport (USA) arriving at 6/6/2026 6:59:00 PM. 50 Economy ticket for $76 per person are available. Travel duration is 2h 17m
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Sun Country Airlines22h 0m010:49 AMDenver AirportDenver Airport9:49 AMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Sun Country Airlines goes from Denver Airport, Denver Airport (USA) at 6/6/2026 10:49:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 6/7/2026 9:49:00 AM. 50 Economy ticket for $208 per person are available. Travel duration is 22h 0m
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Alaska Airlines22h 40m06:00 AMDenver AirportDenver Airport5:40 AMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Alaska Airlines goes from Denver Airport, Denver Airport (USA) at 6/6/2026 6:00:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 6/7/2026 5:40:00 AM. 50 Economy ticket for $327 per person are available. Travel duration is 22h 40m
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Volaris25h 27m01:53 PMDenver AirportDenver Airport4:20 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Volaris goes from Denver Airport, Denver Airport (USA) at 6/6/2026 1:53:00 PM to San Antonio Airport, San Antonio Airport (USA) arriving at 6/7/2026 4:20:00 PM. 50 Economy ticket for $341 per person are available. Travel duration is 25h 27m
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Greyhound US21h 20m08:10 PMDenverUnion Station6:30 PMSan Antonio, TXBus Station0EconomyA Bus from Greyhound US goes from Union Station, Denver (USA) at 6/6/2026 8:10:00 PM to Bus Station, San Antonio, TX (USA) arriving at 6/7/2026 6:30:00 PM. 50 Economy ticket for $116 per person are available. Travel duration is 21h 20m
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FlixBus26h 55m01:40 PMDenverUnion Station5:35 PMSan Antonio, TXBus Station0EconomyA Bus from FlixBus goes from Union Station, Denver (USA) at 6/6/2026 1:40:00 PM to Bus Station, San Antonio, TX (USA) arriving at 6/7/2026 5:35:00 PM. 50 Economy ticket for $120 per person are available. Travel duration is 26h 55m
Fastest Flights Saturday
Fastest Buses Saturday
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United Airlines2h 11m01:48 PMDenver AirportDenver Airport4:59 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from United Airlines goes from Denver Airport, Denver Airport (USA) at 6/7/2026 1:48:00 PM to San Antonio Airport, San Antonio Airport (USA) arriving at 6/7/2026 4:59:00 PM. 50 Economy ticket for $234 per person are available. Travel duration is 2h 11m
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Frontier Airlines2h 17m03:42 PMDenver AirportDenver Airport6:59 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Frontier Airlines goes from Denver Airport, Denver Airport (USA) at 6/7/2026 3:42:00 PM to San Antonio Airport, San Antonio Airport (USA) arriving at 6/7/2026 6:59:00 PM. 50 Economy ticket for $134 per person are available. Travel duration is 2h 17m
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Aeroméxico18h 51m02:24 PMDenver AirportDenver Airport10:15 AMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Aeroméxico goes from Denver Airport, Denver Airport (USA) at 6/7/2026 2:24:00 PM to San Antonio Airport, San Antonio Airport (USA) arriving at 6/8/2026 10:15:00 AM. 50 Economy ticket for $382 per person are available. Travel duration is 18h 51m
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Sun Country Airlines22h 29m010:20 AMDenver AirportDenver Airport9:49 AMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Sun Country Airlines goes from Denver Airport, Denver Airport (USA) at 6/7/2026 10:20:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 6/8/2026 9:49:00 AM. 50 Economy ticket for $296 per person are available. Travel duration is 22h 29m
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Volaris25h 27m01:53 PMDenver AirportDenver Airport4:20 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Volaris goes from Denver Airport, Denver Airport (USA) at 6/7/2026 1:53:00 PM to San Antonio Airport, San Antonio Airport (USA) arriving at 6/8/2026 4:20:00 PM. 50 Economy ticket for $348 per person are available. Travel duration is 25h 27m
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Greyhound US21h 20m08:10 PMDenverUnion Station6:30 PMSan Antonio, TXBus Station0EconomyA Bus from Greyhound US goes from Union Station, Denver (USA) at 6/7/2026 8:10:00 PM to Bus Station, San Antonio, TX (USA) arriving at 6/8/2026 6:30:00 PM. 50 Economy ticket for $118 per person are available. Travel duration is 21h 20m
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FlixBus26h 55m01:40 PMDenverUnion Station5:35 PMSan Antonio, TXBus Station0EconomyA Bus from FlixBus goes from Union Station, Denver (USA) at 6/7/2026 1:40:00 PM to Bus Station, San Antonio, TX (USA) arriving at 6/8/2026 5:35:00 PM. 50 Economy ticket for $117 per person are available. Travel duration is 26h 55m
Fastest Flights Sunday
Fastest Buses Sunday
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United Airlines2h 15m05:39 PMDenver AirportDenver Airport8:54 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from United Airlines goes from Denver Airport, Denver Airport (USA) at 6/8/2026 5:39:00 PM to San Antonio Airport, San Antonio Airport (USA) arriving at 6/8/2026 8:54:00 PM. 50 Economy ticket for $164 per person are available. Travel duration is 2h 15m
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United Airlines2h 16m08:39 PMDenver AirportDenver Airport11:55 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from United Airlines goes from Denver Airport, Denver Airport (USA) at 6/8/2026 8:39:00 PM to San Antonio Airport, San Antonio Airport (USA) arriving at 6/8/2026 11:55:00 PM. 50 Economy ticket for $164 per person are available. Travel duration is 2h 16m
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Frontier Airlines2h 17m03:42 PMDenver AirportDenver Airport6:59 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Frontier Airlines goes from Denver Airport, Denver Airport (USA) at 6/8/2026 3:42:00 PM to San Antonio Airport, San Antonio Airport (USA) arriving at 6/8/2026 6:59:00 PM. 50 Economy ticket for $90 per person are available. Travel duration is 2h 17m
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Frontier Airlines8h 41m010:33 AMDenver AirportDenver Airport8:14 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Frontier Airlines goes from Denver Airport, Denver Airport (USA) at 6/8/2026 10:33:00 AM to San Antonio Airport, San Antonio Airport (USA) arriving at 6/8/2026 8:14:00 PM. 50 Economy ticket for $134 per person are available. Travel duration is 8h 41m
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Volaris25h 27m01:53 PMDenver AirportDenver Airport4:20 PMSan Antonio AirportSan Antonio Airport0EconomyA Flight from Volaris goes from Denver Airport, Denver Airport (USA) at 6/8/2026 1:53:00 PM to San Antonio Airport, San Antonio Airport (USA) arriving at 6/9/2026 4:20:00 PM. 50 Economy ticket for $348 per person are available. Travel duration is 25h 27m
Fastest Flights Monday
Here you will find all operators and timetables for a
Bus from Denver to San Antonio, TX
What are the most popular stations in Denver and San Antonio, TX?
In Denver, you will usually depart from Federal Blvd & W 19th Ave Bus Stop, Union Station or Bus Stop, while in San Antonio, TX you will be arriving at Tornado Bus Company, Bus Station or W. Southcross & Buffalo Bus Stop, 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 San Antonio, TX from Denver? With 5 connections between 2 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 Denver and San Antonio, TX, you can pay as low as $76 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 San Antonio, TX in just 2h 8m.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 Denver and San Antonio, TX are Frontier Airlines, United Airlines and Greyhound US, 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 Denver and San Antonio, TX 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 Mountain View, CO or to Olmos Park, TX, and look at flights from Denver Airport, and landing at San Antonio 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 Denver to San Antonio, TX?
The most popular companies between Denver and San Antonio, TX, are Frontier Airlines, United Airlines and Greyhound US. Be sure to check their seat class offers and the amenities that they provide.
Bus companies: Greyhound US and FlixBus
Airlines: Frontier Airlines, United Airlines, Volaris and 3 more.
All you need to know when you travel from Denver to San Antonio, TX
Check all information on comfort and services on all modes of transports from Denver to San Antonio, TX. See which seat classes are available, and what amenities are other advantages offered by the operators on your journey.
FAQs about the trip from Denver to San Antonio, TX
How can I reach San Antonio, TX from Denver?
Every day, there are on average 5 connections between Flight and Bus, with which you can get to San Antonio, TX from Denver.
How far is San Antonio, TX from Denver?
The distance between Denver and San Antonio, TX is 803.3 miles.
What is the most ecofriendly mode of transport between Denver and San Antonio, TX?
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 35 kgs of CO2, a train 45 kgs, a car 220 kgs, and a flight 318 kgs.
What is the cheapest mode of transport from Denver to San Antonio, TX?
You can get to San Antonio, TX with just $76 by taking a Flight from Frontier Airlines.
What is the fastest way to get from Denver to San Antonio, TX?
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 San Antonio, TX in just 2h 8m with a Flight from United Airlines.
More routes to Denver and to San Antonio, TX
Looking for more options? Here you can see the most popular routes to Denver and to San Antonio, TX. Simply click on a connection, and you’ll find all the details about the route!
