Search flights from Saint Louis (STL) to Phoenix (PHX)

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Cheapest flights to Phoenix

The cheapest flights available in the next 60 days – prices are updated regularly

Flying from Saint Louis to Phoenix: things to know

The most popular route is from Lambert- St.Louis International Airport in Saint Louis to Phoenix Sky Harbor International Airport in Phoenix. On average this flight takes 4 hours 11 minutes one way and costs US$482 for the round trip.

Most popular route
Lambert- St.Louis International Airport (STL) to Phoenix Sky Harbor International Airport (PHX)
Average flight time
4 hours 11 minutes
Average round-trip price
US$482
Fly from Saint Louis to Phoenix
6 airlines

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Airlines that fly from Saint Louis to Phoenix

Airline options may vary according to recently booked flights and your search terms

  • American Airlines
  • Frontier Airlines
  • Southwest Airlines
  • United Airlines
  • Spirit Airlines
  • Southern Airways Express

Frequently asked questions

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Flights to Arizona

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Flights to Phoenix Sky Harbor International Airport

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Flights to Phoenix-Mesa Gateway Airport

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Hotels in Phoenix

A popular choice with visitors to the United States.

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