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Flights from St. Louis to Phoenix
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Find cheap one-way flights from St. Louis to Phoenix starting at US$32.
We've found these cheap flights for you. You can book one-way or round-trip flight tickets.
- One way
- Round-trip
- STL21:393h 28mDirectPHX23:07Wed, May 8|St. Louis - Phoenix|Frontier AirlinesUS$32US$5137% OFF37% OFFUS$51US$32
- STL12:393h 28mDirectPHX14:07Sat, May 11|St. Louis - Phoenix|Frontier AirlinesUS$32US$5137% OFF37% OFFUS$51US$32
- STL12:393h 28mDirectPHX14:07Sat, May 4|St. Louis - Phoenix|Frontier AirlinesUS$32US$5136% OFF36% OFFUS$51US$32
- STL23:413h 17mDirectPHX00:58Sat, May 18|St. Louis - Phoenix|Frontier AirlinesUS$33US$33
- STL12:393h 28mDirectPHX14:07Sat, Apr 27|St. Louis - Phoenix|Frontier AirlinesUS$33US$33
- STL21:393h 28mDirectPHX23:07Wed, May 1|St. Louis - Phoenix|Frontier AirlinesUS$33US$33
- STL23:413h 17mDirectPHX00:58Sat, May 25|St. Louis - Phoenix|Frontier AirlinesUS$38US$38
- STL12:593h 28mDirectPHX14:27Sat, Apr 20|St. Louis - Phoenix|Frontier AirlinesUS$41US$41
- STL21:393h 28mDirectPHX23:07Wed, Apr 24|St. Louis - Phoenix|Frontier AirlinesUS$41US$41
- STL22:173h 27mDirectPHX23:44Fri, May 3|St. Louis - Phoenix|Frontier AirlinesUS$42US$42
- STL13:003h 5mDirectPHX14:00Thu, Apr 25|St. Louis - Phoenix|Frontier AirlinesFind More FlightsFind More Flights
Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
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Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Cheapest airlines flights from St. Louis to Phoenix
Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.
Frontier Airlines
From US$32
Sun Country Airlines
From US$84
American Airlines
From US$89
Spirit Airlines
From US$110
Delta Air Lines
From US$127
United Airlines
From US$129
Southwest Airlines
From US$144
Southern Airways Express
From US$149
Alaska Airlines
From US$178
ANA airlines
Find more flights and airlines
Find cheap flights from St. Louis to Phoenix by different airports
Searching for potential routes that might be cheaper and faster? Check out these alternative flights from St. Louis to Phoenix.
- CheapestSTL21:393h 28mDirectPHX23:07St. Louis Lambert International Airport - Sky Harbor International AirportWed, May 8Frontier AirlinesUS$32
- STL21:393h 28mDirectPHX23:07St. Louis Lambert International Airport - Sky Harbor International AirportWed, May 8Frontier AirlinesUS$32Find More Flights
Frequently Asked Questions
How to find a cheap flight from St. Louis to Phoenix
Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from St. Louis to Phoenix. Book your flights at the right time and save more.
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St. Louis to Phoenix Flight Information
Cheapest nonstop flight price | $31 |
---|---|
Cheapest round-trip ticket price | $57 |
Off-season for travel | May |
Peak season for travel | July |
Flight distance | 2,042.1km |
Average flight time | 3 hours 43 minutes |
Popular airline | Alaska Airlines |
Plan Your Trip Around Phoenix
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