Cheap flights from St. Louis to Washington, D.C.
Flights starting at £68. Choose between American Airlines, Delta Air Lines, or United Airlines to find the best price.
Why travel with Kiwi.com?
Best price
100+ million searches a day to find you the best available price.
Unique content
Explore unique options you won’t find anywhere else.
Travel hacks
Discover flight options and prices the airlines don’t want you to see.
Tips to know when travelling to Washington, D.C.
Search by stops
Search by carrier
Search by price
Search by departure date
One-way trips
Return trips
1155 km
DistanceDuration
Explore the map
Receive exclusive deals by email.
By subscribing you agree to receive offers according to the conditions described in our Privacy Policy.
Travelers usually depart from St. Louis Lambert International, or St. Louis Union Station when they travel from St. Louis to Washington, D.C.. Book your trip to arrive at Baltimore–Washington International, Washington Dulles International, Ronald Reagan Washington National, Washington, DC - Union Station, or Washington DC - Parking Convention Center DC. The distance between St. Louis and Washington, D.C. is 1155 km. The most popular airlines for this route are American Airlines, Delta Air Lines, United Airlines, Spirit Airlines, and Frontier Airlines. St. Louis and Washington, D.C. have 401 direct flights per week. When you arrive at Washington, D.C., consider visiting National Mall, Independence National Historical Park, PA, USA, and Lincoln Memorial.
Weekly direct flights
| Mondays | Tuesdays | Wednesdays | Thursdays | Fridays | Saturdays | Sundays | |
|---|---|---|---|---|---|---|---|
| Direct flights | 5 | 5 | 5 | 5 | 5 | 3 | 5 |
Fly direct with
American Airlines on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.
United Airlines on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.
Check-in for a flight from St. Louis to Washington, D.C.
| Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
|---|---|---|---|---|
| American Airlines | AAL | AA | Yes | No |
| Delta Air Lines | DAL | DL | Yes | Opens 24 days before flight Closes 1 hours before flight |
| United Airlines | UAL | UA | Yes | No |
| Spirit Airlines | NKS | NK | No | Opens 24 days before flight Closes 1 hours before flight |
| Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
Frequently asked questions
How long does it take to travel from St. Louis to Washington, D.C.?
A one-way nonstop (direct) flight between St. Louis and Washington, D.C. takes around 2.1 hours.
What is the flight distance between St. Louis and Washington, D.C.?
The flight distance between St. Louis and Washington, D.C. is 1155 km.
What airlines offer nonstop (direct) flights between St. Louis and Washington, D.C.?
Several carriers operate flights between St. Louis and Washington, D.C.. Airlines offering nonstop (direct) flights include American Airlines, United Airlines.
What are the most popular routes to and from St. Louis?
Travelers frequently search for route combinations, such as St. Louis and London, Manchester, Las Vegas, Dublin, San Jose, Orlando, Tampa, Glasgow, San Francisco, Houston, Minneapolis, Detroit, Los Angeles, Raleigh, Seattle, Atlanta, Guayaquil, Edmonton, Vilnius, Adelaide.
What are the most popular routes to and from Washington, D.C.?
Travelers frequently search for route combinations, such as Washington, D.C. and London, Manchester, Toronto, San Salvador, Birmingham, Athens, San Juan, Orlando, Manila, Tallinn, San Francisco, Boston, Hyderabad, Los Angeles, Denver, Edinburgh, Bangkok, Taipei, Chicago, Dublin.
What airports are near St. Louis?
The main airport in St. Louis is St. Louis Lambert International. It is also served by St. Louis Lambert International, General Wayne A. Downing Peoria International, Central Illinois Regional, MidAmerica St. Louis, Evansville Regional, Williamson County Regional, Abraham Lincoln Capital, Columbia Regional, Quincy Regional, Decatur.
What airports are near Washington, D.C.?
The main airport in Washington, D.C. is Baltimore–Washington International. It is also served by Philadelphia International, Norfolk International, Trenton–Mercer, Richmond International, Atlantic City International, Harrisburg International, Lehigh Valley International, Altoona–Blair County, Lancaster, Hagerstown Regional.
What buses and trains depart from St. Louis?
A number of bus and train companies depart from St. Louis, including Greyhound, Burlington Trailways.
Is it possible to combine flights, buses, and trains in one itinerary when traveling between St. Louis and Washington, D.C.?
Yes, it's possible to combine different modes of transport between St. Louis and Washington, D.C. thanks to our Virtual Interlining technology. Making use of not only flights but also trains and buses between St. Louis and Washington, D.C. can give rise to new adventures. Read more about how Virtual Interlining works on Kiwi.com Stories.
What is Virtual Interlining and how do I use it?
Which airlines fly between St. Louis and Washington, D.C.?
When's the best time to travel between St. Louis and Washington, D.C.?
What flights operate between St. Louis and Washington, D.C.?
How many airports are there near St. Louis?
How many airports are there near Washington, D.C.?
Is it possible to reach St. Louis by bus or train?
What time do nonstop (direct) flights between St. Louis and Washington, D.C. depart?
What time do nonstop (direct) flights between St. Louis and Washington, D.C. arrive?
What time do flights between St. Louis and Washington, D.C. depart?
What time do flights between St. Louis and Washington, D.C. arrive?
Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any A and any B in the world by plane, train, and bus. Find the cheapest routes and best deals for you, as well as the best dates on which to travel.
Explore alternative trips
Flights from St. Louis
- Flights from St. Louis to London
- Flights from St. Louis to Manchester
- Flights from St. Louis to Las Vegas
- Flights from St. Louis to Dublin
- Flights from St. Louis to San Jose
- Flights from St. Louis to Orlando
- Flights from St. Louis to Tampa
- Flights from St. Louis to Glasgow
- Flights from St. Louis to San Francisco
- Flights from St. Louis to Houston
- Flights from St. Louis to Minneapolis
- Flights from St. Louis to Detroit
- Flights from St. Louis to Los Angeles
- Flights from St. Louis to Raleigh
- Flights from St. Louis to Seattle
- Flights from St. Louis to Atlanta
- Flights from St. Louis to Guayaquil
- Flights from St. Louis to Edmonton
- Flights from St. Louis to Vilnius
- Flights from St. Louis to Adelaide
Flights to Washington, D.C.
- Flights from London to Washington, D.C.
- Flights from Manchester to Washington, D.C.
- Flights from Toronto to Washington, D.C.
- Flights from San Salvador to Washington, D.C.
- Flights from Birmingham to Washington, D.C.
- Flights from Athens to Washington, D.C.
- Flights from San Juan to Washington, D.C.
- Flights from Orlando to Washington, D.C.
- Flights from Manila to Washington, D.C.
- Flights from Tallinn to Washington, D.C.
- Flights from San Francisco to Washington, D.C.
- Flights from Boston to Washington, D.C.
- Flights from Hyderabad to Washington, D.C.
- Flights from Los Angeles to Washington, D.C.
- Flights from Denver to Washington, D.C.
- Flights from Edinburgh to Washington, D.C.
- Flights from Bangkok to Washington, D.C.
- Flights from Taipei to Washington, D.C.
- Flights from Chicago to Washington, D.C.
- Flights from Dublin to Washington, D.C.
Popular routes
- Flights from Toronto to Vancouver
- Flights from San Jose to Des Moines
- Flights from San Juan to Detroit
- Flights from San Juan to Fargo
- Flights from Seattle to Charlotte
- Flights from St. Louis to San Francisco
- Flights from St. Louis to Tampa
- Flights from Syracuse to New York
- Flights from Tampa to Houston
- Flights from Tampa to New Orleans
- Flights from Washington, D.C. to San Jose
Find the best connection from St. Louis to Washington, D.C.
Search, compare, and book flights, trains, or buses to get there.
Search flights, trains & buses