Cheap flights from St. Louis, United States to Washington, D.C., United States
Flights starting at $54. Choose between Frontier Airlines, United Airlines, or Spirit Airlines to find the best price.
Make your travel wishlist, we'll do the rest
Hidden deals
Kiwi-Code uncovers prices airlines don't want you to see.
Effortless booking
Use our flexible filters to tailor your search.
Travel hacking
Look out for the travel hack star icon for even cheaper fares.
Tips to know when travelling to Washington, D.C.
Cheapest one-way trip | $127 |
---|---|
Cheapest nonstop round-trip | $263 |
Cheapest round-trip | $448 |
Nonstop flights in May | $154 – $652 |
Most popular airline | Frontier Airlines |
Search by stops
Search by carrier
Search by price
Search by departure date
Receive exclusive deals by email
By subscribing you agree to receive offers according to the conditions described in our Privacy Policy.
Book your trip to arrive at Baltimore–Washington International, Washington Dulles International, or Ronald Reagan Washington National. The distance between St. Louis and Washington, D.C. is 1118 km. The most popular airlines for this route are Frontier Airlines, United Airlines, Spirit Airlines, Southern Airways Express, and JetBlue Airways. St. Louis and Washington, D.C. have 251 direct flights per week. When you arrive at Washington, D.C., consider visiting National Mall, Lincoln Memorial, and Independence National Historical Park, PA, USA.
Weekly direct flights
Discover the top airlines offering direct flights from St. Louis to Washington, D.C. in the next month. You’ll find the number of daily direct flights per airline in the table.
Weekly direct flights for Sun 05.05 - Sat 11.05
Airline | Sun 05.05 | Mon 06.05 | Tue 07.05 | Wed 08.05 | Thu 09.05 | Fri 10.05 | Sat 11.05 |
---|---|---|---|---|---|---|---|
2 | 2 | 2 | 2 | 2 | 2 | 2 |
Weekly direct flights for Sun 12.05 - Sat 18.05
Airline | Sun 12.05 | Mon 13.05 | Tue 14.05 | Wed 15.05 | Thu 16.05 | Fri 17.05 | Sat 18.05 |
---|---|---|---|---|---|---|---|
2 | 2 | 2 | 2 | 2 | 2 | 2 |
Weekly direct flights for Sun 19.05 - Sat 25.05
Airline | Sun 19.05 | Mon 20.05 | Tue 21.05 | Wed 22.05 | Thu 23.05 | Fri 24.05 | Sat 25.05 |
---|---|---|---|---|---|---|---|
2 | 2 | 2 | 2 | --- | --- | --- |
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 |
---|---|---|---|---|
Frontier Airlines | FFT | F9 | No | 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 |
Southern Airways Express | FDY | 9X | Yes | No |
JetBlue Airways | JBU | B6 | No | Opens 24 days before flight Closes 2 hours before flight |
Weather in Washington, D.C.
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 5°C | -1°C |
February | 8°C | 0°C |
March | 12°C | 3°C |
April | 19°C | 8°C |
May | 23°C | 13°C |
June | 28°C | 18°C |
July | 31°C | 21°C |
August | 30°C | 20°C |
September | 26°C | 17°C |
October | 20°C | 11°C |
November | 13°C | 4°C |
December | 8°C | 1°C |
14 day forecast
Frequently asked questions
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 Las Vegas
- Flights from St. Louis to Los Angeles
- Flights from St. Louis to Denver
- Flights from St. Louis to Orlando
- Flights from St. Louis to Atlanta
- Flights from St. Louis to Minneapolis
- Flights from St. Louis to San Diego
- Flights from St. Louis to San Francisco
- Flights from St. Louis to London
- Flights from St. Louis to Phoenix
- Flights from St. Louis to Seattle
- Flights from St. Louis to Houston
- Flights from St. Louis to Sacramento
- Flights from St. Louis to New York
- Flights from St. Louis to Cancún
- Flights from St. Louis to Fort Lauderdale
- Flights from St. Louis to Oakland
- Flights from St. Louis to Tampa
- Flights from St. Louis to Paris
- Flights from St. Louis to Dallas
Flights to Washington, D.C.
- Flights from Denver to Washington, D.C.
- Flights from San Francisco to Washington, D.C.
- Flights from Orlando to Washington, D.C.
- Flights from Los Angeles to Washington, D.C.
- Flights from Las Vegas to Washington, D.C.
- Flights from Atlanta to Washington, D.C.
- Flights from Austin to Washington, D.C.
- Flights from Salt Lake City to Washington, D.C.
- Flights from Phoenix to Washington, D.C.
- Flights from London to Washington, D.C.
- Flights from Fort Lauderdale to Washington, D.C.
- Flights from Chicago to Washington, D.C.
- Flights from San Diego to Washington, D.C.
- Flights from Houston to Washington, D.C.
- Flights from Seattle to Washington, D.C.
- Flights from New Orleans to Washington, D.C.
- Flights from Boston to Washington, D.C.
- Flights from Paris to Washington, D.C.
- Flights from Dallas to Washington, D.C.
- Flights from Tampa to Washington, D.C.
Popular routes
- Flights from Lima to Mexico City
- Flights from Osaka to Sapporo
- Flights from Madrid to Seattle
- Flights from Rome to Catania
- Flights from Okinawa Island to Sapporo
- Flights from Fort Lauderdale to Pittsburgh
- Flights from Indianapolis to New Orleans
- Flights from Bangkok to Mumbai
- Flights from New York to Atlanta
- Flights from New York to Miami
- Flights from Las Vegas to Chicago
- Flights from Auckland to Melbourne
- Flights from New York to Olbia
Airports near St. Louis
- St. Louis Lambert International
- General Wayne A. Downing Peoria International
- Abraham Lincoln Capital
- Evansville Regional
- Barkley Regional
- Central Illinois Regional
- Waynesville-St. Robert Regional
- MidAmerica St. Louis
- Cape Girardeau Regional
- Williamson County Regional