Beginning of main content

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

Amazing STL to DCA Flight Deals

The cheapest flights to Ronald Reagan Washington National found within the past 7 days were $146 round trip and $73 one way. Prices and availability subject to change. Additional terms may apply.

Flight Schedule for STL to DCA

Carrier Flight Depart STL Arrive DCA Wed
6/3
Thu
6/4
Fri
6/5
Sat
6/6
Sun
6/7
Mon
6/8
Tue
6/9
Stops
AA 5044 10:25 am 01:24 pm - Check fare Check fare Check fare Check fare Check fare Check fare 0 stop(s)

FAQs about flights from Lambert-St. Louis Intl. Airport (STL) to Ronald Reagan Washington National Airport (DCA)

Are there direct flights from St. Louis Lambert International Airport to Washington, DC (DCA-Ronald Reagan Washington National)?

Sometimes, a vacation is all about the journey; other times, the magic is in the destination. But if you're eager to get to your destination fast, multiple airlines provide direct flights from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Washington, DC (DCA-Ronald Reagan Washington National), including Southwest Airlines and American Airlines.

How long is the flight from St. Louis Lambert International Airport to Washington, DC (DCA-Ronald Reagan Washington National)?

You'll have just enough time to get through a chapter or two in your latest novel as the journey from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) is just a mere 2 hours and 44 minutes. You might just find yourself left on a cliffhanger!

What is the flight distance from St. Louis Lambert International Airport to Washington, DC (DCA-Ronald Reagan Washington National)?

The flight distance from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) is an easy 808 miles. You'll be climbing off the plane in the blink of an eye.

What airlines fly from St. Louis Lambert International Airport to Washington, DC (DCA-Ronald Reagan Washington National)?

You can take your pick from several airlines that advertise direct flights between St. Louis and Washington. Southwest Airlines (WN) is one of the most popular. This air carrier operates approximately 98 flights every month. You may want to also pore through the deals available through American Airlines (AA). Another leading carrier, it operates 110 flights monthly on the St. Louis to Washington route. Compare the two airlines to score the best fare.

Flying Tips & Tricks How do I find my flight number?
  • You'll receive a travel itinerary when your booking's finalized. In this document you'll come across your flight number. The first letters and single figure represent the airline name (these are called IATA airline codes). This is followed by one to four digits — the flight number.
How early can you check bags for a flight?
  • Check-in and baggage drop times can vary between airports and airlines, but there are some basic rules. Jetting off on a domestic flight? You can usually check your bags two hours ahead of takeoff. For international services, three hours is standard.

Lambert-St. Louis Intl. to Ronald Reagan Washington National Flight FAQ

Traveling FromLambert-St. Louis Intl.
Traveling ToRonald Reagan Washington National
Shortest Flight Time3 hours 50 mins
Earliest Departure Time7:00AM EDT
Latest Departure Time7:55PM EDT
Lowest Flight Price$146

St. Louis to Washington Carriers and Route Information

Flight path for flights from Lambert-St. Louis International Airport to Ronald Reagan National Airport


Distance:
721.00 miles


Airlines & Aircraft Used on STL to DCA Flight Routes


Airline Carrier
Aircraft
American Airlines
Airbus A319
American Airlines
Boeing 737 all pax models
American Airlines
De Havilland Canada DHC-8-400 Dash 8Q
American Airlines
Fokker 100
American Airlines
Fokker 70
Delta Air Lines
Airbus A319
United Airlines
Airbus A320-100/200
*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.