Cheap flights from St. Louis, MO to Phoenix, AZ
Flights starting at £37. Choose between Frontier Airlines, United Airlines, or Allegiant Air to find the best price.
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Cheapest round-trip | £90 |
---|---|
Average round-trip | £112 |
Includes rare itinerary | |
Most popular airline | Frontier Airlines |
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Book your trip to arrive at Phoenix Sky Harbor International, or Phoenix–Mesa Gateway. The most popular airlines for this route are Frontier Airlines, United Airlines, Allegiant Air, Spirit Airlines, and Southern Airways Express. St. Louis and Phoenix have 204 direct flights per week.
Weekly direct flights
Discover the top airlines offering direct flights from St. Louis to Phoenix in the next month. You’ll find the number of daily direct flights per airline in the table.
Weekly direct flights for Mon 15.04 - Sun 21.04
Airline | Mon 15.04 | Tue 16.04 | Wed 17.04 | Thu 18.04 | Fri 19.04 | Sat 20.04 | Sun 21.04 |
---|---|---|---|---|---|---|---|
--- | --- | --- | --- | --- | --- | --- |
Weekly direct flights for Mon 22.04 - Sun 28.04
Airline | Mon 22.04 | Tue 23.04 | Wed 24.04 | Thu 25.04 | Fri 26.04 | Sat 27.04 | Sun 28.04 |
---|---|---|---|---|---|---|---|
--- | --- | --- | --- | --- | --- | --- |
Weekly direct flights for Mon 29.04 - Sun 05.05
Airline | Mon 29.04 | Tue 30.04 | Wed 01.05 | Thu 02.05 | Fri 03.05 | Sat 04.05 | Sun 05.05 |
---|---|---|---|---|---|---|---|
--- | --- | --- | --- | --- | --- | --- |
Weekly direct flights for Mon 06.05 - Sun 12.05
Airline | Mon 06.05 | Tue 07.05 | Wed 08.05 | Thu 09.05 | Fri 10.05 | Sat 11.05 | Sun 12.05 |
---|---|---|---|---|---|---|---|
--- | --- | --- | --- | --- | --- | --- |
Check-in for a flight from St. Louis to Phoenix
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
United Airlines | UAL | UA | Yes | No |
Allegiant Air | AAY | G4 | No | Opens 24 days before flight Closes 1 hours before flight |
Spirit Airlines | NKS | NK | No | Opens 24 days before flight Closes 1 hours before flight |
Southern Airways Express | FDY | 9X | Yes | No |
Weather in Phoenix
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 19°C | 7°C |
February | 21°C | 9°C |
March | 25°C | 12°C |
April | 30°C | 16°C |
May | 34°C | 20°C |
June | 40°C | 25°C |
July | 40°C | 29°C |
August | 40°C | 29°C |
September | 37°C | 26°C |
October | 31°C | 19°C |
November | 25°C | 12°C |
December | 18°C | 8°C |
14 day forecast
Frequently asked questions
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Airports near St. Louis
- St. Louis Lambert International
- General Wayne A. Downing Peoria International
- Abraham Lincoln Capital
- Evansville Regional
- Barkley Regional
- Central Illinois Regional
- Waynesville-St. Robert Regional
- MidAmerica St. Louis
- Cape Girardeau Regional
- Williamson County Regional