Flight Routes from Washington DC to St. Louis

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

Trip type
Fastest flight
non-stop flights
66x / week
Flight distance
1,156 km
Time difference

Flight schedule from Washington DC (DCA) to St. Louis (STL)

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

offers
Active filtersnone
Matching outbound flightsDCA–STL · 18 of 18
fromto
dep.arr.
durationstopovers
  1. September 13 – 19, 2026
  2. September 20 – 26, 2026
  3. Sep 27 – Oct 3, 2026
    1. DCASTL
      nonstop
      1. Southwest Airlines
    2. DCASTL
      nonstop
      1. Southwest Airlines
    3. DCASTL
      nonstop
      1. American Airlines
    4. DCASTL
      nonstop
      1. American Airlines
    5. DCASTL
      nonstop
      1. Southwest Airlines
    6. DCASTL
      nonstop
      1. Southwest Airlines
    7. DCASTL
      nonstop
      1. Southwest Airlines
    8. DCASTL
      nonstop
      1. Southwest Airlines
    9. DCASTL
      nonstop
      1. Southwest Airlines
    10. DCASTL
      nonstop
      1. American Airlines
    11. DCASTL
      nonstop
      1. Southwest Airlines
    12. DCASTL
      nonstop
      1. Southwest Airlines
    13. DCASTL
      nonstop
      1. American Airlines
    14. DCASTL
      nonstop
      1. Southwest Airlines
    15. DCASTL
      nonstop
      1. Southwest Airlines

      Important flight information

      Discover more flights around Washington DC and St. Louis

      Departure airport Airport Washington DC - Ronald Reagan National Airport, VA (DCA)
      Arrival airport Airport St. Louis - Lambert International Airport (STL)
      Destination country Flights to United States
      City-Code - Arrival airport Washington-DC - St. Louis - Lambert International Airport
      Departure airport - Destination country Washington DC - Ronald Reagan National Airport, VA - United States
      Alternative routes to United States
      Alternative flights to St. Louis
      Flight destinations with a similar price