$68 Cheap flights from Ronald Reagan Washington National to Lambert-St. Louis Intl. (DCA to STL)
Wander Wisely with exceptional service, 24/7 supportOpens in a new window
Feel at ease with free flight cancellations within 24 hours of booking
Change your flight without a fee on select flights
Find The Best Dates To Fly from Ronald Reagan Washington National to Lambert-St. Louis Intl.
Compare Flight Prices from Washington to St. Louis
Affordable Airfare Tickets from DCA to STL Airport
The cheapest flights to Lambert-St. Louis Intl. found within the past 7 days were $174 round trip and $68 one way. Prices and availability subject to change. Additional terms may apply.
Lambert-St. Louis Intl. flight + hotel packages - economy flights
Flight information from Washington to St. Louis
Traveling From | Ronald Reagan Washington National |
|---|---|
Traveling To | Lambert-St. Louis Intl. |
Shortest Flight Time | hours mins |
Earliest Departure Time | |
Latest Departure Time | |
Lowest Flight Price | $174 |
Route Info
Flight path for flights from Ronald Reagan National Airport to Lambert-St. Louis International Airport
Airlines & Aircraft Used on DCA to STL Flight Routes
Discover our best flights from Washington DCA to St. Louis STL.
With 20 airlines to choose from on Travelocity, you can easily find the best option for you. Use our filters to sort by price, compare airlines, and find the most convenient flight times.
Find our best return flights from Washington DCA to St. Louis STL at the right price
Airfares to St. Louis STL from Washington DCA currently cost between $174 and $195. It’s usually cheaper to book a round trip than two separate one-way flights. Prices and availability subject to change. Additional terms may apply.
Book one-way flights from Washington DCA to St. Louis STL
If you want to be flexible about when you return, or keep your travel options open ended, a one-way flight could be just the ticket! You’ll find one-way airfares from Washington DCA to St. Louis STL on Travelocity starting at $68. Prices and availability subject to change. Additional terms may apply.
Get to St. Louis STL from Washington DCA quicker with direct flights.
Get to St. Louis faster, without the hassle of changing planes and moving baggage, by booking a direct flight. Expect your direct flight to STL from DCA to take around hour(s) min(s).
Find our cheapest airfares for flights from Washington DCA to St. Louis STL
Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to STL from DCA. Our Price Match Promise means if you find a lower rate on Travelocity.com or on another US-based website within 24 hours of booking, we’ll credit or refund the difference.
Get our best airfare deals for your flight from Washington DCA to St. Louis STL today
If you’re flexible about when you travel, May is usually the cheapest month to fly from Washington DCA to St. Louis STL. If you need to be more specific, search by date and arrival and departure times.Then, compare prices across different airlines, and sort results by lowest price first.
Book flexible airline tickets for flights to St. Louis STL from Washington DCA
Some airlines let you change your travel dates without charging a fee. Use our ‘no change fee’ filter to see which flights to STL from DCA have this option.
Travel with confidence when you book flights to St. Louis STL from Washington DCA with Travelocity
We’ve secured fantastic deals with all the main airline carriers and it’s easy to compare, choose, and book with Travelocity. With 24/7 customer service and our free 'App', we’ll always keep you moving.
Popular Flight Routes from Washington (DCA)
Travelers at DCA love to visit these top cities. Roam to the top destinations from Washington (DCA) today with the cheap prices from Travelocity!
Top DCA Flights to Domestic Cities
- Washington to Chicago (DCA - ORD)
- Washington to Denver (DCA - DEN)
- Washington to Los Angeles (DCA - LAX)
- Washington to Houston (DCA - IAH)
- Washington to Newark (DCA - EWR)
- Washington to New York (DCA - JFK)
- Washington to Atlanta (DCA - ATL)
- Washington to San Francisco (DCA - SFO)
- Washington to Washington (DCA - IAD)
- Washington to Dallas (DCA - DFW)
Top DCA Flights to International Cities
- Washington to Beijing (DCA - PEK)
- Washington to Frankfurt (DCA - FRA)
- Washington to Paris (DCA - CDG)
- Washington to Amsterdam (DCA - AMS)
- Washington to Singapore (DCA - SIN)
- Washington to Shanghai (DCA - PVG)
- Washington to Bangkok (DCA - BKK)
- Washington to Seoul (DCA - ICN)
- Washington to Dubai (DCA - DXB)
- Washington to Hong Kong (DCA - HKG)
Popular Flight Routes from St. Louis (STL)
Travelers at STL love to visit these top cities. Roam to the top destinations from St. Louis(STL) today with the cheap prices from Travelocity!
Top STL Flights to Domestic Cities
- Saint Louis to Chicago (STL - ORD)
- Saint Louis to Denver (STL - DEN)
- Saint Louis to Los Angeles (STL - LAX)
- Saint Louis to Houston (STL - IAH)
- Saint Louis to Newark (STL - EWR)
- Saint Louis to New York (STL - JFK)
- Saint Louis to Atlanta (STL - ATL)
- Saint Louis to San Francisco (STL - SFO)
- Saint Louis to Washington (STL - IAD)
- Saint Louis to Dallas (STL - DFW)
Top STL Flights International Cities
- Saint Louis to Beijing (STL - PEK)
- Saint Louis to Frankfurt (STL - FRA)
- Saint Louis to Paris (STL - CDG)
- Saint Louis to Amsterdam (STL - AMS)
- Saint Louis to Singapore (STL - SIN)
- Saint Louis to Shanghai (STL - PVG)
- Saint Louis to Bangkok (STL - BKK)
- Saint Louis to Seoul (STL - ICN)
- Saint Louis to Dubai (STL - DXB)
- Saint Louis to Hong Kong (STL - HKG)
Top Airlines Servicing DCA - Ronald Reagan Washington National Airport
Top Airlines Servicing STL - Lambert-St. Louis Intl. Airport
Top Airlines Routes From DCA
- Alaska Airlines Washington to San Diego
- Alaska Airlines Washington to Los Angeles
- JetBlue Airways Washington to Fort Lauderdale
- JetBlue Airways Washington to Boston
- Cathay Pacific Washington to Manila
- Frontier Airlines Washington to Denver
- Alaska Airlines Washington to Seattle
- JetBlue Airways Washington to New York
- Air Canada Washington to Tokyo
- Air Canada Washington to London
Top Airlines Routes To STL
- Delta Newark Liberty Intl. Airport to St. Louis
- Alaska Airlines Phoenix to St. Louis
- Alaska Airlines Los Angeles to St. Louis
- Spirit Airlines Detroit to St. Louis
- Spirit Airlines Fort Lauderdale to St. Louis
- American Airlines Boston to St. Louis
- American Airlines New York to St. Louis
- Frontier Airlines Denver to St. Louis
- Alaska Airlines Seattle to St. Louis
- American Airlines New York to St. Louis