Flight Routes from Phoenix Sky Harbor to St. Louis

Compare cheap outbound and return flights from Phoenix - Sky Harbor (PHX) to St. Louis (STL) and find the best offer from numerous airlines and travel agencies.

Trip type
Fastest outbound flight
Fastest inbound flight
non-stop flights
67x / week
Flight distance
2,029 km
Time difference

Flight schedule from Phoenix - Sky Harbor (PHX) to St. Louis (STL)

Select a travel date in the flight schedule for the route from Phoenix - Sky Harbor (PHX) to St. Louis (STL) and compare affordable flight deals.

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Matching outbound flightsPHX–STL · 22 of 22
fromto
dep.arr.
durationstopovers
  1. September 13 – 19, 2026
  2. September 20 – 26, 2026
  3. Sep 27 – Oct 3, 2026
    1. PHXSTL
      nonstop
      1. Southwest Airlines
    2. PHXSTL
      nonstop
      1. Southwest Airlines
    3. PHXSTL
      nonstop
      1. Southwest Airlines
    4. PHXSTL
      nonstop
      1. Southwest Airlines
    5. PHXSTL
      nonstop
      1. Southwest Airlines
    6. PHXSTL
      nonstop
      1. Southwest Airlines
    7. PHXSTL
      nonstop
      1. Southwest Airlines
    8. PHXSTL
      nonstop
      1. American Airlines
    9. PHXSTL
      nonstop
      1. American Airlines
    10. PHXSTL
      nonstop
      1. Southwest Airlines
    11. PHXSTL
      nonstop
      1. Southwest Airlines
    12. PHXSTL
      nonstop
      1. Southwest Airlines
    13. PHXSTL
      nonstop
      1. Southwest Airlines
    14. PHXSTL
      nonstop
      1. Southwest Airlines
    15. PHXSTL
      nonstop
      1. Southwest Airlines

      Important flight information

      Discover more flights around Phoenix - Sky Harbor and St. Louis

      Departure airport Airport Phoenix - Sky Harbor International Airport (PHX)
      Arrival airport Airport St. Louis - Lambert International Airport (STL)
      Destination country Flights to United States
      Departure airport - Destination country Phoenix - Sky Harbor International Airport - United States
      Alternative routes to United States
      Alternative flights to St. Louis
      Flight destinations with a similar price