What is the best way to travel from St. Louis, MO to Phoenix, AZ?
Looking for a trip? Compare all the available Flights and Buses for the journey to Phoenix, AZ from St. Louis, MO. Check between different modes of transportation, look for the cheapest tickets, fastest rides and most popular stations, and see all 1 available companies to find your perfect trip!
What is the cheapest way to reach Phoenix, AZ from St. Louis, MO?
You can get to Phoenix, AZ with just $123 by taking a Bus from Greyhound US, 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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Greyhound US30h 0m08:40 AMSt. Louis, MOGateway Station12:40 PMPhoenix, AZBus Station0EconomyA Bus from Greyhound US goes from Gateway Station, St. Louis, MO (USA) at 6/25/2026 8:40:00 AM to Bus Station, Phoenix, AZ (USA) arriving at 6/26/2026 12:40:00 PM. 50 Economy ticket for $123 per person are available. Travel duration is 30h 0m
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Greyhound US38h 55m011:45 PMSt. Louis, MOGateway Station12:40 PMPhoenix, AZBus Station0EconomyA Bus from Greyhound US goes from Gateway Station, St. Louis, MO (USA) at 6/25/2026 11:45:00 PM to Bus Station, Phoenix, AZ (USA) arriving at 6/27/2026 12:40:00 PM. 50 Economy ticket for $123 per person are available. Travel duration is 38h 55m
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Greyhound US39h 40m04:30 PMSt. Louis, MOGateway Station6:10 AMPhoenix, AZBus Station0EconomyA Bus from Greyhound US goes from Gateway Station, St. Louis, MO (USA) at 6/25/2026 4:30:00 PM to Bus Station, Phoenix, AZ (USA) arriving at 6/27/2026 6:10:00 AM. 50 Economy ticket for $124 per person are available. Travel duration is 39h 40m
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Frontier Airlines6h 1m07:03 PMSt. Louis Lambert AirportSt. Louis Lambert Airport11:04 PMPhoenix Sky Harbor AirportPhoenix Sky Harbor Airport0EconomyA Flight from Frontier Airlines goes from St. Louis Lambert Airport, St. Louis Lambert Airport (USA) at 6/25/2026 7:03:00 PM to Phoenix Sky Harbor Airport, Phoenix Sky Harbor Airport (USA) arriving at 6/25/2026 11:04:00 PM. 50 Economy ticket for $125 per person are available. Travel duration is 6h 1m
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United Airlines5h 50m05:10 AMSt. Louis Lambert AirportSt. Louis Lambert Airport9:00 AMPhoenix Sky Harbor AirportPhoenix Sky Harbor Airport0EconomyA Flight from United Airlines goes from St. Louis Lambert Airport, St. Louis Lambert Airport (USA) at 6/25/2026 5:10:00 AM to Phoenix Sky Harbor Airport, Phoenix Sky Harbor Airport (USA) arriving at 6/25/2026 9:00:00 AM. 50 Economy ticket for $186 per person are available. Travel duration is 5h 50m
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Allegiant Air17h 13m04:44 PMMidAmerica St. Louis AirportMidAmerica St. Louis Airport7:57 AMPhoenix-Mesa Gateway AirportBus Stop0EconomyA Flight from Allegiant Air goes from MidAmerica St. Louis Airport, MidAmerica St. Louis Airport (USA) at 6/25/2026 4:44:00 PM to Bus Stop, Phoenix-Mesa Gateway Airport (USA) arriving at 6/26/2026 7:57:00 AM. 50 Economy ticket for $222 per person are available. Travel duration is 17h 13m
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Allegiant Air26h 45m02:11 PMMidAmerica St. Louis AirportMidAmerica St. Louis Airport2:56 PMPhoenix-Mesa Gateway AirportBus Stop0EconomyA Flight from Allegiant Air goes from MidAmerica St. Louis Airport, MidAmerica St. Louis Airport (USA) at 6/25/2026 2:11:00 PM to Bus Stop, Phoenix-Mesa Gateway Airport (USA) arriving at 6/26/2026 2:56:00 PM. 50 Economy ticket for $296 per person are available. Travel duration is 26h 45m
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Frontier Airlines43h 41m02:56 PMSt. Louis Lambert AirportSt. Louis Lambert Airport8:37 AMPhoenix-Mesa Gateway AirportBus Stop0EconomyA Flight from Frontier Airlines goes from St. Louis Lambert Airport, St. Louis Lambert Airport (USA) at 6/25/2026 2:56:00 PM to Bus Stop, Phoenix-Mesa Gateway Airport (USA) arriving at 6/27/2026 8:37:00 AM. 50 Economy ticket for $302 per person are available. Travel duration is 43h 41m
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Frontier Airlines30h 58m06:31 PMSt. Louis Lambert AirportSt. Louis Lambert Airport11:29 PMPhoenix-Mesa Gateway AirportBus Stop0EconomyA Flight from Frontier Airlines goes from St. Louis Lambert Airport, St. Louis Lambert Airport (USA) at 6/25/2026 6:31:00 PM to Bus Stop, Phoenix-Mesa Gateway Airport (USA) arriving at 6/26/2026 11:29:00 PM. 50 Economy ticket for $313 per person are available. Travel duration is 30h 58m
Cheapest Buses Thursday
Cheapest Flights Thursday
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Frontier Airlines7h 14m05:06 PMSt. Louis Lambert AirportSt. Louis Lambert Airport10:20 PMPhoenix Sky Harbor AirportPhoenix Sky Harbor Airport0EconomyA Flight from Frontier Airlines goes from St. Louis Lambert Airport, St. Louis Lambert Airport (USA) at 6/26/2026 5:06:00 PM to Phoenix Sky Harbor Airport, Phoenix Sky Harbor Airport (USA) arriving at 6/26/2026 10:20:00 PM. 50 Economy ticket for $127 per person are available. Travel duration is 7h 14m
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Frontier Airlines6h 1m07:03 PMSt. Louis Lambert AirportSt. Louis Lambert Airport11:04 PMPhoenix Sky Harbor AirportPhoenix Sky Harbor Airport0EconomyA Flight from Frontier Airlines goes from St. Louis Lambert Airport, St. Louis Lambert Airport (USA) at 6/26/2026 7:03:00 PM to Phoenix Sky Harbor Airport, Phoenix Sky Harbor Airport (USA) arriving at 6/26/2026 11:04:00 PM. 50 Economy ticket for $127 per person are available. Travel duration is 6h 1m
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Allegiant Air27h 43m09:24 PMMidAmerica St. Louis AirportMidAmerica St. Louis Airport11:07 PMPhoenix-Mesa Gateway AirportBus Stop0EconomyA Flight from Allegiant Air goes from MidAmerica St. Louis Airport, MidAmerica St. Louis Airport (USA) at 6/26/2026 9:24:00 PM to Bus Stop, Phoenix-Mesa Gateway Airport (USA) arriving at 6/27/2026 11:07:00 PM. 50 Economy ticket for $230 per person are available. Travel duration is 27h 43m
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United Airlines5h 50m05:10 AMSt. Louis Lambert AirportSt. Louis Lambert Airport9:00 AMPhoenix Sky Harbor AirportPhoenix Sky Harbor Airport0EconomyA Flight from United Airlines goes from St. Louis Lambert Airport, St. Louis Lambert Airport (USA) at 6/26/2026 5:10:00 AM to Phoenix Sky Harbor Airport, Phoenix Sky Harbor Airport (USA) arriving at 6/26/2026 9:00:00 AM. 50 Economy ticket for $231 per person are available. Travel duration is 5h 50m
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United Airlines6h 20m06:14 AMSt. Louis Lambert AirportSt. Louis Lambert Airport10:34 AMPhoenix Sky Harbor AirportPhoenix Sky Harbor Airport0EconomyA Flight from United Airlines goes from St. Louis Lambert Airport, St. Louis Lambert Airport (USA) at 6/26/2026 6:14:00 AM to Phoenix Sky Harbor Airport, Phoenix Sky Harbor Airport (USA) arriving at 6/26/2026 10:34:00 AM. 50 Economy ticket for $231 per person are available. Travel duration is 6h 20m
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Frontier Airlines23h 22m05:06 PMSt. Louis Lambert AirportSt. Louis Lambert Airport2:28 PMPhoenix-Mesa Gateway AirportBus Stop0EconomyA Flight from Frontier Airlines goes from St. Louis Lambert Airport, St. Louis Lambert Airport (USA) at 6/26/2026 5:06:00 PM to Bus Stop, Phoenix-Mesa Gateway Airport (USA) arriving at 6/27/2026 2:28:00 PM. 50 Economy ticket for $243 per person are available. Travel duration is 23h 22m
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Greyhound US30h 50m01:20 AMSt. Louis, MOGateway Station6:10 AMPhoenix, AZBus Station0EconomyA Bus from Greyhound US goes from Gateway Station, St. Louis, MO (USA) at 6/26/2026 1:20:00 AM to Bus Station, Phoenix, AZ (USA) arriving at 6/27/2026 6:10:00 AM. 50 Economy ticket for $131 per person are available. Travel duration is 30h 50m
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Greyhound US30h 0m08:40 AMSt. Louis, MOGateway Station12:40 PMPhoenix, AZBus Station0EconomyA Bus from Greyhound US goes from Gateway Station, St. Louis, MO (USA) at 6/26/2026 8:40:00 AM to Bus Station, Phoenix, AZ (USA) arriving at 6/27/2026 12:40:00 PM. 50 Economy ticket for $131 per person are available. Travel duration is 30h 0m
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Greyhound US39h 40m04:30 PMSt. Louis, MOGateway Station6:10 AMPhoenix, AZBus Station0EconomyA Bus from Greyhound US goes from Gateway Station, St. Louis, MO (USA) at 6/26/2026 4:30:00 PM to Bus Station, Phoenix, AZ (USA) arriving at 6/28/2026 6:10:00 AM. 50 Economy ticket for $133 per person are available. Travel duration is 39h 40m
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Greyhound US38h 55m011:45 PMSt. Louis, MOGateway Station12:40 PMPhoenix, AZBus Station0EconomyA Bus from Greyhound US goes from Gateway Station, St. Louis, MO (USA) at 6/26/2026 11:45:00 PM to Bus Station, Phoenix, AZ (USA) arriving at 6/28/2026 12:40:00 PM. 50 Economy ticket for $134 per person are available. Travel duration is 38h 55m
Cheapest Flights Friday
Cheapest Buses Friday
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Frontier Airlines7h 14m05:06 PMSt. Louis Lambert AirportSt. Louis Lambert Airport10:20 PMPhoenix Sky Harbor AirportPhoenix Sky Harbor Airport0EconomyA Flight from Frontier Airlines goes from St. Louis Lambert Airport, St. Louis Lambert Airport (USA) at 6/27/2026 5:06:00 PM to Phoenix Sky Harbor Airport, Phoenix Sky Harbor Airport (USA) arriving at 6/27/2026 10:20:00 PM. 50 Economy ticket for $128 per person are available. Travel duration is 7h 14m
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Frontier Airlines5h 45m07:19 PMSt. Louis Lambert AirportSt. Louis Lambert Airport11:04 PMPhoenix Sky Harbor AirportPhoenix Sky Harbor Airport0EconomyA Flight from Frontier Airlines goes from St. Louis Lambert Airport, St. Louis Lambert Airport (USA) at 6/27/2026 7:19:00 PM to Phoenix Sky Harbor Airport, Phoenix Sky Harbor Airport (USA) arriving at 6/27/2026 11:04:00 PM. 50 Economy ticket for $128 per person are available. Travel duration is 5h 45m
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Allegiant Air51h 15m08:20 PMMidAmerica St. Louis AirportMidAmerica St. Louis Airport9:35 PMPhoenix-Mesa Gateway AirportBus Stop0EconomyA Flight from Allegiant Air goes from MidAmerica St. Louis Airport, MidAmerica St. Louis Airport (USA) at 6/27/2026 8:20:00 PM to Bus Stop, Phoenix-Mesa Gateway Airport (USA) arriving at 6/29/2026 9:35:00 PM. 50 Economy ticket for $234 per person are available. Travel duration is 51h 15m
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Allegiant Air28h 20m01:23 PMMidAmerica St. Louis AirportMidAmerica St. Louis Airport3:43 PMPhoenix-Mesa Gateway AirportBus Stop0EconomyA Flight from Allegiant Air goes from MidAmerica St. Louis Airport, MidAmerica St. Louis Airport (USA) at 6/27/2026 1:23:00 PM to Bus Stop, Phoenix-Mesa Gateway Airport (USA) arriving at 6/28/2026 3:43:00 PM. 50 Economy ticket for $248 per person are available. Travel duration is 28h 20m
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United Airlines5h 50m05:10 AMSt. Louis Lambert AirportSt. Louis Lambert Airport9:00 AMPhoenix Sky Harbor AirportPhoenix Sky Harbor Airport0EconomyA Flight from United Airlines goes from St. Louis Lambert Airport, St. Louis Lambert Airport (USA) at 6/27/2026 5:10:00 AM to Phoenix Sky Harbor Airport, Phoenix Sky Harbor Airport (USA) arriving at 6/27/2026 9:00:00 AM. 50 Economy ticket for $255 per person are available. Travel duration is 5h 50m
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United Airlines7h 3m06:00 AMSt. Louis Lambert AirportSt. Louis Lambert Airport11:03 AMPhoenix Sky Harbor AirportPhoenix Sky Harbor Airport0EconomyA Flight from United Airlines goes from St. Louis Lambert Airport, St. Louis Lambert Airport (USA) at 6/27/2026 6:00:00 AM to Phoenix Sky Harbor Airport, Phoenix Sky Harbor Airport (USA) arriving at 6/27/2026 11:03:00 AM. 50 Economy ticket for $255 per person are available. Travel duration is 7h 3m
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Greyhound US30h 50m01:20 AMSt. Louis, MOGateway Station6:10 AMPhoenix, AZBus Station0EconomyA Bus from Greyhound US goes from Gateway Station, St. Louis, MO (USA) at 6/27/2026 1:20:00 AM to Bus Station, Phoenix, AZ (USA) arriving at 6/28/2026 6:10:00 AM. 50 Economy ticket for $131 per person are available. Travel duration is 30h 50m
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Greyhound US30h 0m08:40 AMSt. Louis, MOGateway Station12:40 PMPhoenix, AZBus Station0EconomyA Bus from Greyhound US goes from Gateway Station, St. Louis, MO (USA) at 6/27/2026 8:40:00 AM to Bus Station, Phoenix, AZ (USA) arriving at 6/28/2026 12:40:00 PM. 50 Economy ticket for $135 per person are available. Travel duration is 30h 0m
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Greyhound US38h 55m011:45 PMSt. Louis, MOGateway Station12:40 PMPhoenix, AZBus Station0EconomyA Bus from Greyhound US goes from Gateway Station, St. Louis, MO (USA) at 6/27/2026 11:45:00 PM to Bus Station, Phoenix, AZ (USA) arriving at 6/29/2026 12:40:00 PM. 50 Economy ticket for $147 per person are available. Travel duration is 38h 55m
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Greyhound US39h 40m04:30 PMSt. Louis, MOGateway Station6:10 AMPhoenix, AZBus Station0EconomyA Bus from Greyhound US goes from Gateway Station, St. Louis, MO (USA) at 6/27/2026 4:30:00 PM to Bus Station, Phoenix, AZ (USA) arriving at 6/29/2026 6:10:00 AM. 50 Economy ticket for $148 per person are available. Travel duration is 39h 40m
Cheapest Flights Saturday
Cheapest Buses Saturday
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Greyhound US30h 50m01:20 AMSt. Louis, MOGateway Station6:10 AMPhoenix, AZBus Station0EconomyA Bus from Greyhound US goes from Gateway Station, St. Louis, MO (USA) at 6/28/2026 1:20:00 AM to Bus Station, Phoenix, AZ (USA) arriving at 6/29/2026 6:10:00 AM. 50 Economy ticket for $131 per person are available. Travel duration is 30h 50m
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Greyhound US30h 0m08:40 AMSt. Louis, MOGateway Station12:40 PMPhoenix, AZBus Station0EconomyA Bus from Greyhound US goes from Gateway Station, St. Louis, MO (USA) at 6/28/2026 8:40:00 AM to Bus Station, Phoenix, AZ (USA) arriving at 6/29/2026 12:40:00 PM. 50 Economy ticket for $131 per person are available. Travel duration is 30h 0m
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Greyhound US39h 40m04:30 PMSt. Louis, MOGateway Station6:10 AMPhoenix, AZBus Station0EconomyA Bus from Greyhound US goes from Gateway Station, St. Louis, MO (USA) at 6/28/2026 4:30:00 PM to Bus Station, Phoenix, AZ (USA) arriving at 6/30/2026 6:10:00 AM. 50 Economy ticket for $135 per person are available. Travel duration is 39h 40m
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Greyhound US38h 55m011:45 PMSt. Louis, MOGateway Station12:40 PMPhoenix, AZBus Station0EconomyA Bus from Greyhound US goes from Gateway Station, St. Louis, MO (USA) at 6/28/2026 11:45:00 PM to Bus Station, Phoenix, AZ (USA) arriving at 6/30/2026 12:40:00 PM. 50 Economy ticket for $136 per person are available. Travel duration is 38h 55m
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Frontier Airlines6h 1m07:03 PMSt. Louis Lambert AirportSt. Louis Lambert Airport11:04 PMPhoenix Sky Harbor AirportPhoenix Sky Harbor Airport0EconomyA Flight from Frontier Airlines goes from St. Louis Lambert Airport, St. Louis Lambert Airport (USA) at 6/28/2026 7:03:00 PM to Phoenix Sky Harbor Airport, Phoenix Sky Harbor Airport (USA) arriving at 6/28/2026 11:04:00 PM. 50 Economy ticket for $154 per person are available. Travel duration is 6h 1m
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Allegiant Air15h 43m09:41 PMMidAmerica St. Louis AirportMidAmerica St. Louis Airport11:24 AMPhoenix Sky Harbor AirportPhoenix Sky Harbor Airport0EconomyA Flight from Allegiant Air goes from MidAmerica St. Louis Airport, MidAmerica St. Louis Airport (USA) at 6/28/2026 9:41:00 PM to Phoenix Sky Harbor Airport, Phoenix Sky Harbor Airport (USA) arriving at 6/29/2026 11:24:00 AM. 50 Economy ticket for $195 per person are available. Travel duration is 15h 43m
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United Airlines5h 50m05:10 AMSt. Louis Lambert AirportSt. Louis Lambert Airport9:00 AMPhoenix Sky Harbor AirportPhoenix Sky Harbor Airport0EconomyA Flight from United Airlines goes from St. Louis Lambert Airport, St. Louis Lambert Airport (USA) at 6/28/2026 5:10:00 AM to Phoenix Sky Harbor Airport, Phoenix Sky Harbor Airport (USA) arriving at 6/28/2026 9:00:00 AM. 50 Economy ticket for $255 per person are available. Travel duration is 5h 50m
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Frontier Airlines20h 11m02:56 PMSt. Louis Lambert AirportSt. Louis Lambert Airport9:07 AMPhoenix-Mesa Gateway AirportBus Stop0EconomyA Flight from Frontier Airlines goes from St. Louis Lambert Airport, St. Louis Lambert Airport (USA) at 6/28/2026 2:56:00 PM to Bus Stop, Phoenix-Mesa Gateway Airport (USA) arriving at 6/29/2026 9:07:00 AM. 50 Economy ticket for $298 per person are available. Travel duration is 20h 11m
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Frontier Airlines18h 11m02:56 PMSt. Louis Lambert AirportSt. Louis Lambert Airport7:07 AMPhoenix-Mesa Gateway AirportBus Stop0EconomyA Flight from Frontier Airlines goes from St. Louis Lambert Airport, St. Louis Lambert Airport (USA) at 6/28/2026 2:56:00 PM to Bus Stop, Phoenix-Mesa Gateway Airport (USA) arriving at 6/29/2026 7:07:00 AM. 50 Economy ticket for $298 per person are available. Travel duration is 18h 11m
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Alaska Airlines18h 12m05:37 PMSt. Louis Lambert AirportSt. Louis Lambert Airport9:49 AMPhoenix Sky Harbor AirportPhoenix Sky Harbor Airport0EconomyA Flight from Alaska Airlines goes from St. Louis Lambert Airport, St. Louis Lambert Airport (USA) at 6/28/2026 5:37:00 PM to Phoenix Sky Harbor Airport, Phoenix Sky Harbor Airport (USA) arriving at 6/29/2026 9:49:00 AM. 50 Economy ticket for $378 per person are available. Travel duration is 18h 12m
Cheapest Buses Sunday
Cheapest Flights Sunday
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Frontier Airlines7h 14m05:06 PMSt. Louis Lambert AirportSt. Louis Lambert Airport10:20 PMPhoenix Sky Harbor AirportPhoenix Sky Harbor Airport0EconomyA Flight from Frontier Airlines goes from St. Louis Lambert Airport, St. Louis Lambert Airport (USA) at 7/1/2026 5:06:00 PM to Phoenix Sky Harbor Airport, Phoenix Sky Harbor Airport (USA) arriving at 7/1/2026 10:20:00 PM. 50 Economy ticket for $133 per person are available. Travel duration is 7h 14m
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United Airlines5h 50m05:10 AMSt. Louis Lambert AirportSt. Louis Lambert Airport9:00 AMPhoenix Sky Harbor AirportPhoenix Sky Harbor Airport0EconomyA Flight from United Airlines goes from St. Louis Lambert Airport, St. Louis Lambert Airport (USA) at 7/1/2026 5:10:00 AM to Phoenix Sky Harbor Airport, Phoenix Sky Harbor Airport (USA) arriving at 7/1/2026 9:00:00 AM. 50 Economy ticket for $197 per person are available. Travel duration is 5h 50m
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Alaska Airlines19h 5m07:56 PMSt. Louis Lambert AirportSt. Louis Lambert Airport1:01 PMPhoenix Sky Harbor AirportPhoenix Sky Harbor Airport0EconomyA Flight from Alaska Airlines goes from St. Louis Lambert Airport, St. Louis Lambert Airport (USA) at 7/1/2026 7:56:00 PM to Phoenix Sky Harbor Airport, Phoenix Sky Harbor Airport (USA) arriving at 7/2/2026 1:01:00 PM. 50 Economy ticket for $272 per person are available. Travel duration is 19h 5m
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Frontier Airlines25h 21m08:08 PMSt. Louis Lambert AirportSt. Louis Lambert Airport7:29 PMPhoenix-Mesa Gateway AirportBus Stop0EconomyA Flight from Frontier Airlines goes from St. Louis Lambert Airport, St. Louis Lambert Airport (USA) at 7/1/2026 8:08:00 PM to Bus Stop, Phoenix-Mesa Gateway Airport (USA) arriving at 7/2/2026 7:29:00 PM. 50 Economy ticket for $274 per person are available. Travel duration is 25h 21m
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Allegiant Air27h 10m010:14 AMMidAmerica St. Louis AirportMidAmerica St. Louis Airport11:24 AMPhoenix Sky Harbor AirportPhoenix Sky Harbor Airport0EconomyA Flight from Allegiant Air goes from MidAmerica St. Louis Airport, MidAmerica St. Louis Airport (USA) at 7/1/2026 10:14:00 AM to Phoenix Sky Harbor Airport, Phoenix Sky Harbor Airport (USA) arriving at 7/2/2026 11:24:00 AM. 50 Economy ticket for $318 per person are available. Travel duration is 27h 10m
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Frontier Airlines21h 19m07:46 PMSt. Louis Lambert AirportSt. Louis Lambert Airport3:05 PMPhoenix-Mesa Gateway AirportBus Stop0EconomyA Flight from Frontier Airlines goes from St. Louis Lambert Airport, St. Louis Lambert Airport (USA) at 7/1/2026 7:46:00 PM to Bus Stop, Phoenix-Mesa Gateway Airport (USA) arriving at 7/2/2026 3:05:00 PM. 50 Economy ticket for $349 per person are available. Travel duration is 21h 19m
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Greyhound US30h 50m01:20 AMSt. Louis, MOGateway Station6:10 AMPhoenix, AZBus Station0EconomyA Bus from Greyhound US goes from Gateway Station, St. Louis, MO (USA) at 7/1/2026 1:20:00 AM to Bus Station, Phoenix, AZ (USA) arriving at 7/2/2026 6:10:00 AM. 50 Economy ticket for $139 per person are available. Travel duration is 30h 50m
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Greyhound US30h 0m08:40 AMSt. Louis, MOGateway Station12:40 PMPhoenix, AZBus Station0EconomyA Bus from Greyhound US goes from Gateway Station, St. Louis, MO (USA) at 7/1/2026 8:40:00 AM to Bus Station, Phoenix, AZ (USA) arriving at 7/2/2026 12:40:00 PM. 50 Economy ticket for $139 per person are available. Travel duration is 30h 0m
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Greyhound US29h 30m09:10 AMSt. Louis Lambert AirportSt. Louis Lambert Airport12:40 PMPhoenix, AZBus Station0EconomyA Bus from Greyhound US goes from St. Louis Lambert Airport, St. Louis Lambert Airport (USA) at 7/1/2026 9:10:00 AM to Bus Station, Phoenix, AZ (USA) arriving at 7/2/2026 12:40:00 PM. 50 Economy ticket for $143 per person are available. Travel duration is 29h 30m
Cheapest Flights Wednesday
Cheapest Buses Wednesday
What are the fastest trips from St. Louis, MO to Phoenix, AZ?
You can get to Phoenix, AZ from St. Louis, MO in just 5h 45m with a Flight from Frontier 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 50m05:10 AMSt. Louis Lambert AirportSt. Louis Lambert Airport9:00 AMPhoenix Sky Harbor AirportPhoenix Sky Harbor Airport0EconomyA Flight from United Airlines goes from St. Louis Lambert Airport, St. Louis Lambert Airport (USA) at 6/25/2026 5:10:00 AM to Phoenix Sky Harbor Airport, Phoenix Sky Harbor Airport (USA) arriving at 6/25/2026 9:00:00 AM. 50 Economy ticket for $186 per person are available. Travel duration is 5h 50m
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Frontier Airlines6h 1m07:03 PMSt. Louis Lambert AirportSt. Louis Lambert Airport11:04 PMPhoenix Sky Harbor AirportPhoenix Sky Harbor Airport0EconomyA Flight from Frontier Airlines goes from St. Louis Lambert Airport, St. Louis Lambert Airport (USA) at 6/25/2026 7:03:00 PM to Phoenix Sky Harbor Airport, Phoenix Sky Harbor Airport (USA) arriving at 6/25/2026 11:04:00 PM. 50 Economy ticket for $125 per person are available. Travel duration is 6h 1m
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American Airlines13h 16m05:29 AMSt. Louis Lambert AirportSt. Louis Lambert Airport4:45 PMPhoenix Sky Harbor AirportPhoenix Sky Harbor Airport0EconomyA Flight from American Airlines goes from St. Louis Lambert Airport, St. Louis Lambert Airport (USA) at 6/25/2026 5:29:00 AM to Phoenix Sky Harbor Airport, Phoenix Sky Harbor Airport (USA) arriving at 6/25/2026 4:45:00 PM. 50 Economy ticket for $677 per person are available. Travel duration is 13h 16m
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Allegiant Air15h 43m09:41 PMMidAmerica St. Louis AirportMidAmerica St. Louis Airport11:24 AMPhoenix Sky Harbor AirportPhoenix Sky Harbor Airport0EconomyA Flight from Allegiant Air goes from MidAmerica St. Louis Airport, MidAmerica St. Louis Airport (USA) at 6/25/2026 9:41:00 PM to Phoenix Sky Harbor Airport, Phoenix Sky Harbor Airport (USA) arriving at 6/26/2026 11:24:00 AM. 50 Economy ticket for $315 per person are available. Travel duration is 15h 43m
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Allegiant Air17h 13m04:44 PMMidAmerica St. Louis AirportMidAmerica St. Louis Airport7:57 AMPhoenix-Mesa Gateway AirportBus Stop0EconomyA Flight from Allegiant Air goes from MidAmerica St. Louis Airport, MidAmerica St. Louis Airport (USA) at 6/25/2026 4:44:00 PM to Bus Stop, Phoenix-Mesa Gateway Airport (USA) arriving at 6/26/2026 7:57:00 AM. 50 Economy ticket for $222 per person are available. Travel duration is 17h 13m
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Frontier Airlines18h 11m02:56 PMSt. Louis Lambert AirportSt. Louis Lambert Airport7:07 AMPhoenix-Mesa Gateway AirportBus Stop0EconomyA Flight from Frontier Airlines goes from St. Louis Lambert Airport, St. Louis Lambert Airport (USA) at 6/25/2026 2:56:00 PM to Bus Stop, Phoenix-Mesa Gateway Airport (USA) arriving at 6/26/2026 7:07:00 AM. 50 Economy ticket for $319 per person are available. Travel duration is 18h 11m
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Greyhound US30h 0m08:40 AMSt. Louis, MOGateway Station12:40 PMPhoenix, AZBus Station0EconomyA Bus from Greyhound US goes from Gateway Station, St. Louis, MO (USA) at 6/25/2026 8:40:00 AM to Bus Station, Phoenix, AZ (USA) arriving at 6/26/2026 12:40:00 PM. 50 Economy ticket for $123 per person are available. Travel duration is 30h 0m
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Greyhound US38h 55m011:45 PMSt. Louis, MOGateway Station12:40 PMPhoenix, AZBus Station0EconomyA Bus from Greyhound US goes from Gateway Station, St. Louis, MO (USA) at 6/25/2026 11:45:00 PM to Bus Station, Phoenix, AZ (USA) arriving at 6/27/2026 12:40:00 PM. 50 Economy ticket for $123 per person are available. Travel duration is 38h 55m
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Greyhound US39h 40m04:30 PMSt. Louis, MOGateway Station6:10 AMPhoenix, AZBus Station0EconomyA Bus from Greyhound US goes from Gateway Station, St. Louis, MO (USA) at 6/25/2026 4:30:00 PM to Bus Station, Phoenix, AZ (USA) arriving at 6/27/2026 6:10:00 AM. 50 Economy ticket for $124 per person are available. Travel duration is 39h 40m
Fastest Flights Thursday
Fastest Buses Thursday
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United Airlines5h 50m05:10 AMSt. Louis Lambert AirportSt. Louis Lambert Airport9:00 AMPhoenix Sky Harbor AirportPhoenix Sky Harbor Airport0EconomyA Flight from United Airlines goes from St. Louis Lambert Airport, St. Louis Lambert Airport (USA) at 6/26/2026 5:10:00 AM to Phoenix Sky Harbor Airport, Phoenix Sky Harbor Airport (USA) arriving at 6/26/2026 9:00:00 AM. 50 Economy ticket for $231 per person are available. Travel duration is 5h 50m
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Frontier Airlines6h 1m07:03 PMSt. Louis Lambert AirportSt. Louis Lambert Airport11:04 PMPhoenix Sky Harbor AirportPhoenix Sky Harbor Airport0EconomyA Flight from Frontier Airlines goes from St. Louis Lambert Airport, St. Louis Lambert Airport (USA) at 6/26/2026 7:03:00 PM to Phoenix Sky Harbor Airport, Phoenix Sky Harbor Airport (USA) arriving at 6/26/2026 11:04:00 PM. 50 Economy ticket for $127 per person are available. Travel duration is 6h 1m
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United Airlines6h 20m06:14 AMSt. Louis Lambert AirportSt. Louis Lambert Airport10:34 AMPhoenix Sky Harbor AirportPhoenix Sky Harbor Airport0EconomyA Flight from United Airlines goes from St. Louis Lambert Airport, St. Louis Lambert Airport (USA) at 6/26/2026 6:14:00 AM to Phoenix Sky Harbor Airport, Phoenix Sky Harbor Airport (USA) arriving at 6/26/2026 10:34:00 AM. 50 Economy ticket for $231 per person are available. Travel duration is 6h 20m
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Frontier Airlines7h 14m05:06 PMSt. Louis Lambert AirportSt. Louis Lambert Airport10:20 PMPhoenix Sky Harbor AirportPhoenix Sky Harbor Airport0EconomyA Flight from Frontier Airlines goes from St. Louis Lambert Airport, St. Louis Lambert Airport (USA) at 6/26/2026 5:06:00 PM to Phoenix Sky Harbor Airport, Phoenix Sky Harbor Airport (USA) arriving at 6/26/2026 10:20:00 PM. 50 Economy ticket for $127 per person are available. Travel duration is 7h 14m
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Allegiant Air16h 52m08:37 AMMidAmerica St. Louis AirportMidAmerica St. Louis Airport11:29 PMPhoenix-Mesa Gateway AirportBus Stop0EconomyA Flight from Allegiant Air goes from MidAmerica St. Louis Airport, MidAmerica St. Louis Airport (USA) at 6/26/2026 8:37:00 AM to Bus Stop, Phoenix-Mesa Gateway Airport (USA) arriving at 6/26/2026 11:29:00 PM. 50 Economy ticket for $350 per person are available. Travel duration is 16h 52m
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Alaska Airlines18h 12m05:37 PMSt. Louis Lambert AirportSt. Louis Lambert Airport9:49 AMPhoenix Sky Harbor AirportPhoenix Sky Harbor Airport0EconomyA Flight from Alaska Airlines goes from St. Louis Lambert Airport, St. Louis Lambert Airport (USA) at 6/26/2026 5:37:00 PM to Phoenix Sky Harbor Airport, Phoenix Sky Harbor Airport (USA) arriving at 6/27/2026 9:49:00 AM. 50 Economy ticket for $328 per person are available. Travel duration is 18h 12m
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Greyhound US30h 0m08:40 AMSt. Louis, MOGateway Station12:40 PMPhoenix, AZBus Station0EconomyA Bus from Greyhound US goes from Gateway Station, St. Louis, MO (USA) at 6/26/2026 8:40:00 AM to Bus Station, Phoenix, AZ (USA) arriving at 6/27/2026 12:40:00 PM. 50 Economy ticket for $131 per person are available. Travel duration is 30h 0m
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Greyhound US30h 50m01:20 AMSt. Louis, MOGateway Station6:10 AMPhoenix, AZBus Station0EconomyA Bus from Greyhound US goes from Gateway Station, St. Louis, MO (USA) at 6/26/2026 1:20:00 AM to Bus Station, Phoenix, AZ (USA) arriving at 6/27/2026 6:10:00 AM. 50 Economy ticket for $131 per person are available. Travel duration is 30h 50m
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Greyhound US38h 55m011:45 PMSt. Louis, MOGateway Station12:40 PMPhoenix, AZBus Station0EconomyA Bus from Greyhound US goes from Gateway Station, St. Louis, MO (USA) at 6/26/2026 11:45:00 PM to Bus Station, Phoenix, AZ (USA) arriving at 6/28/2026 12:40:00 PM. 50 Economy ticket for $134 per person are available. Travel duration is 38h 55m
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Greyhound US39h 40m04:30 PMSt. Louis, MOGateway Station6:10 AMPhoenix, AZBus Station0EconomyA Bus from Greyhound US goes from Gateway Station, St. Louis, MO (USA) at 6/26/2026 4:30:00 PM to Bus Station, Phoenix, AZ (USA) arriving at 6/28/2026 6:10:00 AM. 50 Economy ticket for $133 per person are available. Travel duration is 39h 40m
Fastest Flights Friday
Fastest Buses Friday
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Frontier Airlines5h 45m07:19 PMSt. Louis Lambert AirportSt. Louis Lambert Airport11:04 PMPhoenix Sky Harbor AirportPhoenix Sky Harbor Airport0EconomyA Flight from Frontier Airlines goes from St. Louis Lambert Airport, St. Louis Lambert Airport (USA) at 6/27/2026 7:19:00 PM to Phoenix Sky Harbor Airport, Phoenix Sky Harbor Airport (USA) arriving at 6/27/2026 11:04:00 PM. 50 Economy ticket for $128 per person are available. Travel duration is 5h 45m
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United Airlines5h 50m05:10 AMSt. Louis Lambert AirportSt. Louis Lambert Airport9:00 AMPhoenix Sky Harbor AirportPhoenix Sky Harbor Airport0EconomyA Flight from United Airlines goes from St. Louis Lambert Airport, St. Louis Lambert Airport (USA) at 6/27/2026 5:10:00 AM to Phoenix Sky Harbor Airport, Phoenix Sky Harbor Airport (USA) arriving at 6/27/2026 9:00:00 AM. 50 Economy ticket for $255 per person are available. Travel duration is 5h 50m
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United Airlines7h 3m06:00 AMSt. Louis Lambert AirportSt. Louis Lambert Airport11:03 AMPhoenix Sky Harbor AirportPhoenix Sky Harbor Airport0EconomyA Flight from United Airlines goes from St. Louis Lambert Airport, St. Louis Lambert Airport (USA) at 6/27/2026 6:00:00 AM to Phoenix Sky Harbor Airport, Phoenix Sky Harbor Airport (USA) arriving at 6/27/2026 11:03:00 AM. 50 Economy ticket for $255 per person are available. Travel duration is 7h 3m
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Frontier Airlines7h 14m05:06 PMSt. Louis Lambert AirportSt. Louis Lambert Airport10:20 PMPhoenix Sky Harbor AirportPhoenix Sky Harbor Airport0EconomyA Flight from Frontier Airlines goes from St. Louis Lambert Airport, St. Louis Lambert Airport (USA) at 6/27/2026 5:06:00 PM to Phoenix Sky Harbor Airport, Phoenix Sky Harbor Airport (USA) arriving at 6/27/2026 10:20:00 PM. 50 Economy ticket for $128 per person are available. Travel duration is 7h 14m
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Alaska Airlines18h 12m05:37 PMSt. Louis Lambert AirportSt. Louis Lambert Airport9:49 AMPhoenix Sky Harbor AirportPhoenix Sky Harbor Airport0EconomyA Flight from Alaska Airlines goes from St. Louis Lambert Airport, St. Louis Lambert Airport (USA) at 6/27/2026 5:37:00 PM to Phoenix Sky Harbor Airport, Phoenix Sky Harbor Airport (USA) arriving at 6/28/2026 9:49:00 AM. 50 Economy ticket for $333 per person are available. Travel duration is 18h 12m
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Frontier Airlines20h 39m07:38 PMSt. Louis Lambert AirportSt. Louis Lambert Airport2:17 PMPhoenix-Mesa Gateway AirportBus Stop0EconomyA Flight from Frontier Airlines goes from St. Louis Lambert Airport, St. Louis Lambert Airport (USA) at 6/27/2026 7:38:00 PM to Bus Stop, Phoenix-Mesa Gateway Airport (USA) arriving at 6/28/2026 2:17:00 PM. 50 Economy ticket for $334 per person are available. Travel duration is 20h 39m
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Greyhound US30h 0m08:40 AMSt. Louis, MOGateway Station12:40 PMPhoenix, AZBus Station0EconomyA Bus from Greyhound US goes from Gateway Station, St. Louis, MO (USA) at 6/27/2026 8:40:00 AM to Bus Station, Phoenix, AZ (USA) arriving at 6/28/2026 12:40:00 PM. 50 Economy ticket for $135 per person are available. Travel duration is 30h 0m
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Greyhound US30h 50m01:20 AMSt. Louis, MOGateway Station6:10 AMPhoenix, AZBus Station0EconomyA Bus from Greyhound US goes from Gateway Station, St. Louis, MO (USA) at 6/27/2026 1:20:00 AM to Bus Station, Phoenix, AZ (USA) arriving at 6/28/2026 6:10:00 AM. 50 Economy ticket for $131 per person are available. Travel duration is 30h 50m
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Greyhound US38h 55m011:45 PMSt. Louis, MOGateway Station12:40 PMPhoenix, AZBus Station0EconomyA Bus from Greyhound US goes from Gateway Station, St. Louis, MO (USA) at 6/27/2026 11:45:00 PM to Bus Station, Phoenix, AZ (USA) arriving at 6/29/2026 12:40:00 PM. 50 Economy ticket for $147 per person are available. Travel duration is 38h 55m
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Greyhound US39h 40m04:30 PMSt. Louis, MOGateway Station6:10 AMPhoenix, AZBus Station0EconomyA Bus from Greyhound US goes from Gateway Station, St. Louis, MO (USA) at 6/27/2026 4:30:00 PM to Bus Station, Phoenix, AZ (USA) arriving at 6/29/2026 6:10:00 AM. 50 Economy ticket for $148 per person are available. Travel duration is 39h 40m
Fastest Flights Saturday
Fastest Buses Saturday
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United Airlines5h 50m05:10 AMSt. Louis Lambert AirportSt. Louis Lambert Airport9:00 AMPhoenix Sky Harbor AirportPhoenix Sky Harbor Airport0EconomyA Flight from United Airlines goes from St. Louis Lambert Airport, St. Louis Lambert Airport (USA) at 6/28/2026 5:10:00 AM to Phoenix Sky Harbor Airport, Phoenix Sky Harbor Airport (USA) arriving at 6/28/2026 9:00:00 AM. 50 Economy ticket for $255 per person are available. Travel duration is 5h 50m
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Frontier Airlines6h 1m07:03 PMSt. Louis Lambert AirportSt. Louis Lambert Airport11:04 PMPhoenix Sky Harbor AirportPhoenix Sky Harbor Airport0EconomyA Flight from Frontier Airlines goes from St. Louis Lambert Airport, St. Louis Lambert Airport (USA) at 6/28/2026 7:03:00 PM to Phoenix Sky Harbor Airport, Phoenix Sky Harbor Airport (USA) arriving at 6/28/2026 11:04:00 PM. 50 Economy ticket for $154 per person are available. Travel duration is 6h 1m
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American Airlines13h 16m05:29 AMSt. Louis Lambert AirportSt. Louis Lambert Airport4:45 PMPhoenix Sky Harbor AirportPhoenix Sky Harbor Airport0EconomyA Flight from American Airlines goes from St. Louis Lambert Airport, St. Louis Lambert Airport (USA) at 6/28/2026 5:29:00 AM to Phoenix Sky Harbor Airport, Phoenix Sky Harbor Airport (USA) arriving at 6/28/2026 4:45:00 PM. 50 Economy ticket for $666 per person are available. Travel duration is 13h 16m
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Allegiant Air15h 43m09:41 PMMidAmerica St. Louis AirportMidAmerica St. Louis Airport11:24 AMPhoenix Sky Harbor AirportPhoenix Sky Harbor Airport0EconomyA Flight from Allegiant Air goes from MidAmerica St. Louis Airport, MidAmerica St. Louis Airport (USA) at 6/28/2026 9:41:00 PM to Phoenix Sky Harbor Airport, Phoenix Sky Harbor Airport (USA) arriving at 6/29/2026 11:24:00 AM. 50 Economy ticket for $195 per person are available. Travel duration is 15h 43m
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Frontier Airlines18h 11m02:56 PMSt. Louis Lambert AirportSt. Louis Lambert Airport7:07 AMPhoenix-Mesa Gateway AirportBus Stop0EconomyA Flight from Frontier Airlines goes from St. Louis Lambert Airport, St. Louis Lambert Airport (USA) at 6/28/2026 2:56:00 PM to Bus Stop, Phoenix-Mesa Gateway Airport (USA) arriving at 6/29/2026 7:07:00 AM. 50 Economy ticket for $298 per person are available. Travel duration is 18h 11m
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Alaska Airlines18h 12m05:37 PMSt. Louis Lambert AirportSt. Louis Lambert Airport9:49 AMPhoenix Sky Harbor AirportPhoenix Sky Harbor Airport0EconomyA Flight from Alaska Airlines goes from St. Louis Lambert Airport, St. Louis Lambert Airport (USA) at 6/28/2026 5:37:00 PM to Phoenix Sky Harbor Airport, Phoenix Sky Harbor Airport (USA) arriving at 6/29/2026 9:49:00 AM. 50 Economy ticket for $378 per person are available. Travel duration is 18h 12m
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Greyhound US30h 0m08:40 AMSt. Louis, MOGateway Station12:40 PMPhoenix, AZBus Station0EconomyA Bus from Greyhound US goes from Gateway Station, St. Louis, MO (USA) at 6/28/2026 8:40:00 AM to Bus Station, Phoenix, AZ (USA) arriving at 6/29/2026 12:40:00 PM. 50 Economy ticket for $131 per person are available. Travel duration is 30h 0m
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Greyhound US30h 50m01:20 AMSt. Louis, MOGateway Station6:10 AMPhoenix, AZBus Station0EconomyA Bus from Greyhound US goes from Gateway Station, St. Louis, MO (USA) at 6/28/2026 1:20:00 AM to Bus Station, Phoenix, AZ (USA) arriving at 6/29/2026 6:10:00 AM. 50 Economy ticket for $131 per person are available. Travel duration is 30h 50m
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Greyhound US38h 55m011:45 PMSt. Louis, MOGateway Station12:40 PMPhoenix, AZBus Station0EconomyA Bus from Greyhound US goes from Gateway Station, St. Louis, MO (USA) at 6/28/2026 11:45:00 PM to Bus Station, Phoenix, AZ (USA) arriving at 6/30/2026 12:40:00 PM. 50 Economy ticket for $136 per person are available. Travel duration is 38h 55m
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Greyhound US39h 40m04:30 PMSt. Louis, MOGateway Station6:10 AMPhoenix, AZBus Station0EconomyA Bus from Greyhound US goes from Gateway Station, St. Louis, MO (USA) at 6/28/2026 4:30:00 PM to Bus Station, Phoenix, AZ (USA) arriving at 6/30/2026 6:10:00 AM. 50 Economy ticket for $135 per person are available. Travel duration is 39h 40m
Fastest Flights Sunday
Fastest Buses Sunday
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United Airlines5h 50m05:10 AMSt. Louis Lambert AirportSt. Louis Lambert Airport9:00 AMPhoenix Sky Harbor AirportPhoenix Sky Harbor Airport0EconomyA Flight from United Airlines goes from St. Louis Lambert Airport, St. Louis Lambert Airport (USA) at 7/1/2026 5:10:00 AM to Phoenix Sky Harbor Airport, Phoenix Sky Harbor Airport (USA) arriving at 7/1/2026 9:00:00 AM. 50 Economy ticket for $197 per person are available. Travel duration is 5h 50m
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Frontier Airlines7h 14m05:06 PMSt. Louis Lambert AirportSt. Louis Lambert Airport10:20 PMPhoenix Sky Harbor AirportPhoenix Sky Harbor Airport0EconomyA Flight from Frontier Airlines goes from St. Louis Lambert Airport, St. Louis Lambert Airport (USA) at 7/1/2026 5:06:00 PM to Phoenix Sky Harbor Airport, Phoenix Sky Harbor Airport (USA) arriving at 7/1/2026 10:20:00 PM. 50 Economy ticket for $133 per person are available. Travel duration is 7h 14m
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American Airlines13h 16m05:29 AMSt. Louis Lambert AirportSt. Louis Lambert Airport4:45 PMPhoenix Sky Harbor AirportPhoenix Sky Harbor Airport0EconomyA Flight from American Airlines goes from St. Louis Lambert Airport, St. Louis Lambert Airport (USA) at 7/1/2026 5:29:00 AM to Phoenix Sky Harbor Airport, Phoenix Sky Harbor Airport (USA) arriving at 7/1/2026 4:45:00 PM. 50 Economy ticket for $610 per person are available. Travel duration is 13h 16m
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Alaska Airlines19h 5m07:56 PMSt. Louis Lambert AirportSt. Louis Lambert Airport1:01 PMPhoenix Sky Harbor AirportPhoenix Sky Harbor Airport0EconomyA Flight from Alaska Airlines goes from St. Louis Lambert Airport, St. Louis Lambert Airport (USA) at 7/1/2026 7:56:00 PM to Phoenix Sky Harbor Airport, Phoenix Sky Harbor Airport (USA) arriving at 7/2/2026 1:01:00 PM. 50 Economy ticket for $272 per person are available. Travel duration is 19h 5m
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Frontier Airlines21h 19m07:46 PMSt. Louis Lambert AirportSt. Louis Lambert Airport3:05 PMPhoenix-Mesa Gateway AirportBus Stop0EconomyA Flight from Frontier Airlines goes from St. Louis Lambert Airport, St. Louis Lambert Airport (USA) at 7/1/2026 7:46:00 PM to Bus Stop, Phoenix-Mesa Gateway Airport (USA) arriving at 7/2/2026 3:05:00 PM. 50 Economy ticket for $349 per person are available. Travel duration is 21h 19m
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Allegiant Air24h 32m010:14 AMMidAmerica St. Louis AirportMidAmerica St. Louis Airport8:46 AMPhoenix-Mesa Gateway AirportBus Stop0EconomyA Flight from Allegiant Air goes from MidAmerica St. Louis Airport, MidAmerica St. Louis Airport (USA) at 7/1/2026 10:14:00 AM to Bus Stop, Phoenix-Mesa Gateway Airport (USA) arriving at 7/2/2026 8:46:00 AM. 50 Economy ticket for $404 per person are available. Travel duration is 24h 32m
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Greyhound US29h 30m09:10 AMSt. Louis Lambert AirportSt. Louis Lambert Airport12:40 PMPhoenix, AZBus Station0EconomyA Bus from Greyhound US goes from St. Louis Lambert Airport, St. Louis Lambert Airport (USA) at 7/1/2026 9:10:00 AM to Bus Station, Phoenix, AZ (USA) arriving at 7/2/2026 12:40:00 PM. 50 Economy ticket for $143 per person are available. Travel duration is 29h 30m
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Greyhound US30h 0m08:40 AMSt. Louis, MOGateway Station12:40 PMPhoenix, AZBus Station0EconomyA Bus from Greyhound US goes from Gateway Station, St. Louis, MO (USA) at 7/1/2026 8:40:00 AM to Bus Station, Phoenix, AZ (USA) arriving at 7/2/2026 12:40:00 PM. 50 Economy ticket for $139 per person are available. Travel duration is 30h 0m
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Greyhound US30h 50m01:20 AMSt. Louis, MOGateway Station6:10 AMPhoenix, AZBus Station0EconomyA Bus from Greyhound US goes from Gateway Station, St. Louis, MO (USA) at 7/1/2026 1:20:00 AM to Bus Station, Phoenix, AZ (USA) arriving at 7/2/2026 6:10:00 AM. 50 Economy ticket for $139 per person are available. Travel duration is 30h 50m
Fastest Flights Wednesday
Fastest Buses Wednesday
Here you will find all operators and timetables for a
Bus from St. Louis, MO to Phoenix, AZ
What are the most popular stations in St. Louis, MO and Phoenix, AZ?
In St. Louis, MO, you will usually depart from Gateway Station, Lindbergh @ Hackberry NB Bus Stop or Skinker Boulevard, while in Phoenix, AZ you will be arriving at Washington St & 4th Av Bus Stop, 7th St & Roosevelt St Bus Stop or 24th St & Jefferson St 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 Phoenix, AZ from St. Louis, MO? With 13 connections between 1 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 St. Louis, MO and Phoenix, AZ, you can pay as low as $123 with a Bus from Greyhound US.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 Frontier Airlines: you will get to Phoenix, AZ in just 5h 45m.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 St. Louis, MO and Phoenix, AZ are Frontier Airlines, Greyhound US and Allegiant Air, 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 St. Louis, MO and Phoenix, AZ 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 Sauget, IL or to Phoenix Sky Harbor Airport, and look at flights from St. Louis Lambert Airport, and landing at Phoenix-Deer Valley 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 St. Louis, MO to Phoenix, AZ?
The most popular companies between St. Louis, MO and Phoenix, AZ, are Frontier Airlines, Greyhound US and Allegiant Air. Be sure to check their seat class offers and the amenities that they provide.
Bus companies: Greyhound US
Airlines: Frontier Airlines, Allegiant Air, United Airlines and 2 more.
All you need to know when you travel from St. Louis, MO to Phoenix, AZ
Check all information on comfort and services on all modes of transports from St. Louis, MO to Phoenix, AZ. See which seat classes are available, and what amenities are other advantages offered by the operators on your journey.
FAQs about the trip from St. Louis, MO to Phoenix, AZ
How can I reach Phoenix, AZ from St. Louis, MO?
Every day, there are on average 13 connections between Flight and Bus, with which you can get to Phoenix, AZ from St. Louis, MO.
How far is Phoenix, AZ from St. Louis, MO?
The distance between St. Louis, MO and Phoenix, AZ is 1,270.1 miles.
What is the most ecofriendly mode of transport between St. Louis, MO and Phoenix, AZ?
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 55 kgs of CO2, a train 72 kgs, a car 347 kgs, and a flight 503 kgs.
What is the cheapest mode of transport from St. Louis, MO to Phoenix, AZ?
You can get to Phoenix, AZ with just $123 by taking a Bus from Greyhound US.
What is the fastest way to get from St. Louis, MO to Phoenix, AZ?
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 Phoenix, AZ in just 5h 45m with a Flight from Frontier Airlines.
More routes to St. Louis, MO and to Phoenix, AZ
Looking for more options? Here you can see the most popular routes to St. Louis, MO and to Phoenix, AZ. Simply click on a connection, and you’ll find all the details about the route!
