Flight Routes from Philadelphia to St. Louis

Compare cheap outbound and return flights from Philadelphia (PHL) 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
63x / week
Flight distance
1,307 km
Time difference

Flight schedule from Philadelphia (PHL) to St. Louis (STL)

Select a travel date in the flight schedule for the route from Philadelphia (PHL) to St. Louis (STL) and compare affordable flight deals.

offers
Active filtersnone
Matching outbound flightsPHL–STL · 11 of 11
fromto
dep.arr.
durationstopovers
  1. September 13 – 19, 2026
  2. September 20 – 26, 2026
  3. Sep 27 – Oct 3, 2026
    1. PHLSTL
      nonstop
      1. Southwest Airlines
    2. PHLSTL
      nonstop
      1. Southwest Airlines
    3. PHLSTL
      nonstop
      1. American Airlines
    4. PHLSTL
      nonstop
      1. Southwest Airlines
    5. PHLSTL
      nonstop
      1. Southwest Airlines
    6. PHLSTL
      nonstop
      1. American Airlines
    7. PHLSTL
      nonstop
      1. Southwest Airlines
    8. PHLSTL
      nonstop
      1. Southwest Airlines
    9. PHLSTL
      nonstop
      1. American Airlines
    10. PHLSTL
      nonstop
      1. American Airlines
    11. PHLSTL
      nonstop
      1. American Airlines

      Important flight information

      Discover more flights around Philadelphia and St. Louis

      Departure airport Airport Philadelphia International Airport, PA (PHL)
      Arrival airport Airport St. Louis - Lambert International Airport (STL)
      Destination country Flights to United States
      Departure airport - Destination country Philadelphia International Airport, PA - United States
      Alternative routes to United States
      Alternative flights to St. Louis
      Flight destinations with a similar price