Flight Routes from Philadelphia to St. Louis

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Our cheapest offers for flights from Philadelphia to St. Louis

Here you can compare cheap flights from Philadelphia (PHL) to St. Louis (STL) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to St. Louis. Prices and availability may change at any time.

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.

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Matching outbound flights12 of 12
fromto
dep.arr.
durationstopovers
  1. August 23 – 29, 2026
  2. Aug 30 – Sep 5, 2026
  3. September 6 – 12, 2026
    1. PHLSTL
      nonstop
      1. Southwest Airlines
    2. PHLSTL
      nonstop
      1. Southwest Airlines
    3. PHLSTL
      nonstop
      1. American Airlines
    4. PHLSTL
      nonstop
      1. American Airlines
    5. PHLSTL
      nonstop
      1. Southwest Airlines
    6. PHLSTL
      nonstop
      1. Southwest Airlines
    7. PHLSTL
      nonstop
      1. American Airlines
    8. PHLSTL
      nonstop
      1. Southwest Airlines
    9. PHLSTL
      nonstop
      1. Southwest Airlines
    10. PHLSTL
      nonstop
      1. American Airlines
    11. PHLSTL
      nonstop
      1. American Airlines
    12. PHLSTL
      nonstop
      1. American Airlines

      Flight information: Philadelphia - St. Louis

      Flight duration min. 02:35 / max. 06:00
      Return flight duration min. 02:00/ max. 06:00
      Distance 1307 km
      Flights per week 63
      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