Cheap flights from St. Louis, MO to Phoenix, AZ
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Cheapest one-way trip | $115 |
|---|---|
Cheapest round-trip | $360 |
Nonstop flights in May | $206 – $206 |
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 41 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 28.04 - Sat 04.05
| Airline | Sun 28.04 | Mon 29.04 | Tue 30.04 | Wed 01.05 | Thu 02.05 | Fri 03.05 | Sat 04.05 |
|---|---|---|---|---|---|---|---|
| --- | --- | --- | --- | --- | --- | --- |
Weekly direct flights for Sun 05.05 - Sat 11.05
| Airline | Sun 05.05 | Mon 06.05 | Tue 07.05 | Wed 08.05 | Thu 09.05 | Fri 10.05 | Sat 11.05 |
|---|---|---|---|---|---|---|---|
| --- | --- | --- | --- | --- | --- | --- |
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 | --- |
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 |
|---|---|---|---|---|---|---|---|
| --- | --- | --- | --- | --- | --- | --- |
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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