Cheap flights from St. Louis, MO to Phoenix, AZ
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Cheapest one-way trip | $103 |
|---|---|
Cheapest nonstop round-trip | $105 |
Cheapest round-trip | $379 |
Nonstop flights in May | $105 – $291 |
Most popular airline | United Airlines |
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Book your trip to arrive at Phoenix Sky Harbor International, or Phoenix–Mesa Gateway. The distance between St. Louis and Phoenix is 2029 km. The most popular airline for this route is United Airlines. St. Louis and Phoenix have 42 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 Sun 12.05 - Sat 18.05
| Airline | Sun 12.05 | Mon 13.05 | Tue 14.05 | Wed 15.05 | Thu 16.05 | Fri 17.05 | Sat 18.05 |
|---|---|---|---|---|---|---|---|
| --- | --- | --- | --- | 1 | 1 | 1 |
Weekly direct flights for Sun 19.05 - Sat 25.05
| Airline | Sun 19.05 | Mon 20.05 | Tue 21.05 | Wed 22.05 | Thu 23.05 | Fri 24.05 | Sat 25.05 |
|---|---|---|---|---|---|---|---|
| 1 | 1 | 1 | 1 | 1 | 1 | 1 |
Weekly direct flights for Sun 26.05 - Sat 01.06
| Airline | Sun 26.05 | Mon 27.05 | Tue 28.05 | Wed 29.05 | Thu 30.05 | Fri 31.05 | Sat 01.06 |
|---|---|---|---|---|---|---|---|
| 1 | 1 | 1 | 1 | 1 | 1 | 1 |
Weekly direct flights for Sun 02.06 - Sat 08.06
| Airline | Sun 02.06 | Mon 03.06 | Tue 04.06 | Wed 05.06 | Thu 06.06 | Fri 07.06 | Sat 08.06 |
|---|---|---|---|---|---|---|---|
| 1 | 1 | 1 | 1 | 1 | 1 | 1 |
Check-in for a flight from St. Louis to Phoenix
| Name | Carrier code | IATA Code | Passport needed during booking | |
|---|---|---|---|---|
| United Airlines | UAL | UA | Yes |
Online check-in is not available for these airlines.
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 | 29°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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