Cheap flights from Washington, D.C. to St. Louis

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Travelers usually depart from Washington Dulles International, Baltimore–Washington International, Ronald Reagan Washington National, Washington, DC - Union Station, or Washington DC - Parking Convention Center DC when they travel from Washington, D.C. to St. Louis. Book your trip to arrive at St. Louis Lambert International, or St. Louis Union Station. The distance between Washington, D.C. and St. Louis is 1155 km. The most popular airlines for this route are American Airlines, United Airlines, Delta Air Lines, and Spirit Airlines. Washington, D.C. and St. Louis have 362 direct flights per week.

Weekly direct flights

MondaysTuesdaysWednesdaysThursdaysFridaysSaturdaysSundays
Number of flights52848848-5535
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 Washington, D.C. to St. Louis

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
American AirlinesAALAAYesNo
United AirlinesUALUAYesNo
Delta Air LinesDALDLYesOpens 24 days before flight
Closes 1 hours before flight
Spirit AirlinesNKSNKNoOpens 24 days before flight
Closes 1 hours before flight

Frequently asked questions

How long does it take to travel from Washington, D.C. to St. Louis?
A one-way nonstop (direct) flight between Washington, D.C. and St. Louis takes around 2.2 hours.
What is the flight distance between Washington, D.C. and St. Louis?
The flight distance between Washington, D.C. and St. Louis is 1155 km.
What airlines offer nonstop (direct) flights between Washington, D.C. and St. Louis?
Several carriers operate flights between Washington, D.C. and St. Louis. Airlines offering nonstop (direct) flights include United Airlines, American Airlines.
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, Orlando, San Salvador, Toronto, Manchester, San Francisco, Boston, San Juan, New York, Austin, Atlanta, Los Angeles, Denver, New Orleans, Edinburgh, Fort Lauderdale, Las Vegas, Seattle, Vilnius, Phoenix.
What are the most popular routes to and from St. Louis?
Travelers frequently search for route combinations, such as St. Louis and London, Manchester, New York, Cebu, San Jose, Atlanta, Los Angeles, Orlando, Edinburgh, Houston, San Francisco, Seattle, Phoenix, Portland, Denver, Dallas, Glasgow, Paris, Charlotte, Reykjavik.
Which airports are there in Washington, D.C.?
Washington, D.C. is mainly served by Baltimore–Washington International. But there are other airports nearby, including Washington Dulles International, Ronald Reagan Washington National.
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, New Castle Airport, Hagerstown Regional, Lancaster.
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, Waynesville-St. Robert Regional, Central Illinois Regional, MidAmerica St. Louis, Quincy Regional, Williamson County Regional, Evansville Regional, Decatur, Abraham Lincoln Capital.
What buses and trains depart from Washington, D.C.?
A number of bus and train companies depart from Washington, D.C., including Peter Pan Bus, Amtrak train.
Is it possible to combine flights, buses, and trains in one itinerary when traveling between Washington, D.C. and St. Louis?
What is Virtual Interlining and how do I use it?
Which airlines fly between Washington, D.C. and St. Louis?
When's the best time to travel between Washington, D.C. and St. Louis?
What flights operate between Washington, D.C. and St. Louis?
How many airports are there near Washington, D.C.?
How many airports are there near St. Louis?
Is it possible to reach Washington, D.C. by bus or train?
What time do nonstop (direct) flights between Washington, D.C. and St. Louis depart?
What time do nonstop (direct) flights between Washington, D.C. and St. Louis arrive?
What time do flights between Washington, D.C. and St. Louis depart?
What time do flights between Washington, D.C. and St. Louis arrive?

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