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

Flights starting at £67. Choose between United Airlines, Spirit Airlines, or Frontier Airlines to find the best price.

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Travelers usually depart from Baltimore–Washington International, Washington Dulles International, Ronald Reagan Washington National, Washington, DC - Rosslyn, or Washington, DC - Union Station when they travel from Washington, D.C. to St. Louis. The distance between Washington, D.C. and St. Louis is 1118 km. The most popular airlines for this route are United Airlines, Spirit Airlines, Frontier Airlines, Southern Airways Express, and JetBlue Airways. Washington, D.C. and St. Louis have 147 direct flights per week.

Weekly direct flights

Discover the top airlines offering direct flights from Washington, D.C. to St. Louis in the next month. You’ll find the number of daily direct flights per airline in the table.

Weekly direct flights for Mon 15.04 - Sun 21.04

AirlineMon 15.04Tue 16.04Wed 17.04Thu 18.04Fri 19.04Sat 20.04Sun 21.04
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Check-in for a flight from Washington, D.C. to St. Louis

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
United AirlinesUALUAYesNo
Spirit AirlinesNKSNKNoOpens 24 days before flight
Closes 1 hours before flight
Frontier AirlinesFFTF9NoOpens 24 days before flight
Closes 1 hours before flight
Southern Airways ExpressFDY9XYesNo
JetBlue AirwaysJBUB6NoOpens 24 days before flight
Closes 2 hours before flight

St. Louis travel tips

1) Visit the home of Scott Joplin in St. Louis, the founder of the ragtime music genre
2) Visit the St. Louis Municipal Opera House, the country's oldest open-air theatre
3) Using public transportation in St. Louis is easy and cheap

Weather in St. Louis

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January3°C-3°C
February6°C-2°C
March13°C3°C
April18°C8°C
May24°C14°C
June29°C19°C
July31°C21°C
August30°C20°C
September27°C16°C
October20°C10°C
November12°C3°C
December7°C0°C
Hottest Month
31°C
July
Coldest month
-3°C
January
Sunny days
261
days per year
Snow days
9
days per year

14 day forecast

Thursday
18 Apr
96%
29°C12°C
25 Apr
14°C6°C
Friday
19 Apr
17°C8°C
26 Apr
87%
20°C11°C
Saturday
20 Apr
15°C7°C
27 Apr
20°C12°C
Sunday
21 Apr
16°C5°C
28 Apr
84%
24°C12°C
Monday
22 Apr
20°C6°C
29 Apr
31°C20°C
Tuesday
23 Apr
79%
13°C12°C
30 Apr
25°C17°C
Wednesday
24 Apr
16°C6°C
1 May
23°C13°C

Frequently asked questions

How long does it take to travel from Washington, D.C. to St. Louis?
What is the flight distance between Washington, D.C. and St. Louis?
What airlines offer nonstop (direct) flights between Washington, D.C. and St. Louis?
What are the most popular routes to and from Washington, D.C.?
What are the most popular routes to and from St. Louis?
Which airports are there in Washington, D.C.?
What airports are near Washington, D.C.?
What airports are near St. Louis?
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?
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How many airports are there near St. Louis?
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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