Phoenix to Saint Louis Flights

PHX-STL Flight Tickets Booking by Date


Book cheap flights to Saint Louis from Phoenix today with using OutTrippin’s ticket finder. We help you compare flights, carriers and seating classes all year round. Be sure to find the right flight to match your budget, plans and travel preferences.

* Total price includes taxes + fees for 1 adult. Additional bag fees and other fees may apply.

Phoenix-Saint Louis Flight is Served by Airlines

  • United Airlines Flights
  • US Airways Flights
  • Southwest Airlines Flights

Departure Phoenix Sky Harbor International Airport (Phoenix)


Destination Lambert-St. Louis International Airport (Saint Louis)


*Flight prices are indicative, based on passenger numbers and may vary dependent on your individual flight dates. Complete a new search to view live pricing.

* Checked baggage is not included but may be added for a fee. Carry-on baggage limits, including size restrictions, will be strictly applied. Passengers with more than the applicable carry-on baggage allowance will need to check in baggage, and charges will apply.