Flight Routes from Pittsburgh to St. Louis

Compare cheap outbound and return flights from Pittsburgh (PIT) to St. Louis (STL) and find the best offer from numerous airlines and travel agencies.

Trip type
Fastest flight
non-stop flights
9x / week
Flight distance
890 km
Time difference

Flight schedule from Pittsburgh (PIT) to St. Louis (STL)

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

offers
Active filtersnone
Matching outbound flightsPIT–STL · 6 of 6
fromto
dep.arr.
durationstopovers
  1. September 20 – 26, 2026
  2. Sep 27 – Oct 3, 2026
  3. October 4 – 10, 2026
    1. PITSTL
      nonstop
      1. Southwest Airlines
    2. PITSTL
      nonstop
      1. Southwest Airlines
    3. PITSTL
      nonstop
      1. Southwest Airlines
    4. PITSTL
      nonstop
      1. Southwest Airlines
    5. PITSTL
      nonstop
      1. Southwest Airlines
    6. PITSTL
      nonstop
      1. Southwest Airlines

      Important flight information

      Discover more flights around Pittsburgh and St. Louis

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