Did you mean Flights from St Louis to Washington?
Washington
United StatesDCA
Ronald Reagan Washington National Airport
St Louis
United StatesSTL
Lambert St Louis International Airport
Ronald Reagan Washington National Airport (DCA) serves Washington; Lambert St Louis International Airport (STL) serves St Louis.
The airports are 717 miles apart by great-circle distance.
Roame's current schedule feed shows nonstop service from DCA to STL.
Marketing airlines listed in the current schedule, including codeshare sellers, are American Airlines (AA) and Southwest Airlines (WN). This list does not identify the operating airline for each flight; check the flight details before booking.
Published schedule dates span Sep 21, 2026 – Sep 7, 2027.
These are marketing airlines, including codeshare sellers. This list does not identify the operating airline for each flight; check the flight details before booking.
Airline alliance affiliations represented: Oneworld
Ronald Reagan Washington National Airport (DCA) is the origin airport and Lambert St Louis International Airport (STL) is the destination airport.
DCA and STL are approximately 717 miles apart by great-circle distance.
Yes. Roame's current schedule feed shows nonstop service from DCA to STL.
Marketing airlines listed in the current schedule, including codeshare sellers, are American Airlines (AA) and Southwest Airlines (WN). This list does not identify the operating airline for each flight; check the flight details before booking.
Aircraft listed in the current schedule include Airbus A319 (319), Boeing 737-800 Winglets (73H), Boeing 737 MAX 8 (7M8), 7S7, Canadair Regional Jet 700 | Regional Jet 550 (CR7), Canadair Regional Jet 900 (CR9), Embraer 175 (short wing) (E75) and JET.
A sample of one-way prices for one traveler from Roame’s fare cache. Points, fees, and seats describe the same observation. Availability can change; confirm with the loyalty program before transferring points.
The award price preview is temporarily unavailable. This does not mean the route is sold out. Use the search controls to check other dates and routes.