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Cheap Flights from Phoenix to St. Louis
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Cheap Flights from Phoenix to St. Louis starting at S$ 51
We've found these cheap flights for you. You can book one-way or return flight tickets.
- One way
- Round-trip
- PHX15:452h 54mDirectSTL20:39Wed, May 15|Phoenix - St. Louis|Frontier AirlinesS$ 51S$ 7834% OFF34% OFFS$ 78S$ 51
- PHX15:353h 1mDirectSTL20:36Wed, May 22|Phoenix - St. Louis|Frontier AirlinesS$ 51S$ 7834% OFF34% OFFS$ 78S$ 51
- PHX15:452h 54mDirectSTL20:39Wed, Apr 24|Phoenix - St. Louis|Frontier AirlinesS$ 51S$ 7834% OFF34% OFFS$ 78S$ 51
- PHX15:452h 54mDirectSTL20:39Wed, May 1|Phoenix - St. Louis|Frontier AirlinesS$ 52S$ 52
- PHX15:452h 54mDirectSTL20:39Wed, Apr 17|Phoenix - St. Louis|Frontier AirlinesS$ 52S$ 52
- PHX06:452h 54mDirectSTL11:39Sat, May 11|Phoenix - St. Louis|Frontier AirlinesS$ 52S$ 52
- PHX15:452h 54mDirectSTL20:39Wed, May 8|Phoenix - St. Louis|Frontier AirlinesS$ 54S$ 54
- PHX06:452h 54mDirectSTL11:39Sat, Apr 27|Phoenix - St. Louis|Frontier AirlinesS$ 55S$ 55
- PHX06:452h 54mDirectSTL11:39Sat, May 4|Phoenix - St. Louis|Frontier AirlinesS$ 57S$ 57
- PHX17:502h 59mDirectSTL22:49Sat, May 25|Phoenix - St. Louis|Frontier AirlinesS$ 65S$ 65
- PHX13:003h 5mDirectSTL14:00Fri, Apr 5|Phoenix - St. Louis|Frontier AirlinesFind More FlightsFind More Flights
Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
Cheapest time to fly from Phoenix to St. Louis
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Displayed prices are calculated based on the lowest average weekly prices of the corresponding route on Trip.com.
Cheapest Airlines flying from Phoenix to St. Louis
Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.
Frontier Airlines
From S$ 51
United Airlines
From S$ 152
Sun Country Airlines
From S$ 172
Spirit Airlines
From S$ 189
American Airlines
From S$ 193
Southwest Airlines
From S$ 198
Alaska Airlines
From S$ 248
Delta Air Lines
From S$ 293
ANA airlines
Find more flights and airlines
Alternative Routes from Phoenix to St. Louis
Searching for potential routes that might be cheaper and faster? Check out these alternative flights from Phoenix to St. Louis.
- CheapestPHX15:452h 54mDirectSTL20:39Sky Harbor International Airport - St. Louis Lambert International AirportWed, May 15Frontier AirlinesS$ 51
- AZA09:0010h 49m1 transferSTL21:49Phoenix-Mesa Gateway Airport - St. Louis Lambert International AirportWed, Apr 17Allegiant AirS$ 511
- AZA09:0010h 49m1 transferSTL21:49Phoenix-Mesa Gateway Airport - St. Louis Lambert International AirportWed, Apr 17Allegiant AirS$ 511Find More Flights
Frequently Asked Questions
Find cheapest flight ticket from Phoenix to St. Louis
Cheapest direct flight price | S$ 51 |
---|---|
Cheapest return ticket price | S$ 105 |
Cheapest month | May |
Peak season for travel | September |
Plan Your Trip Around St. Louis
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