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

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Tips to know when travelling to St. Louis

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Travelers usually depart from Baltimore–Washington International, Washington Dulles International, or Ronald Reagan Washington National 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, and Sun Country Airlines. Washington, D.C. and St. Louis have 44 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 20.05 - Sun 26.05

AirlineMon 20.05Tue 21.05Wed 22.05Thu 23.05Fri 24.05Sat 25.05Sun 26.05
2322222

Weekly direct flights for Mon 27.05 - Sun 02.06

AirlineMon 27.05Tue 28.05Wed 29.05Thu 30.05Fri 31.05Sat 01.06Sun 02.06
2212222

Weekly direct flights for Mon 03.06 - Sun 09.06

AirlineMon 03.06Tue 04.06Wed 05.06Thu 06.06Fri 07.06Sat 08.06Sun 09.06
2222121

Weekly direct flights for Mon 10.06 - Sun 16.06

AirlineMon 10.06Tue 11.06Wed 12.06Thu 13.06Fri 14.06Sat 15.06Sun 16.06
---111222

Check-in for a flight from Washington, D.C. to St. Louis

NameCarrier codeIATA CodePassport needed during booking
United AirlinesUALUAYes
Sun Country AirlinesSCXSYYes

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

Tuesday
21 May
75%
32°C20°C
28 May
86%
15°C13°C
Wednesday
22 May
87%
22°C16°C
29 May
75%
22°C11°C
Thursday
23 May
88%
25°C15°C
30 May
23°C12°C
Friday
24 May
82%
30°C19°C
31 May
25°C13°C
Saturday
25 May
25°C14°C
1 Jun
24°C17°C
Sunday
26 May
89%
28°C16°C
2 Jun
24°C17°C
Monday
27 May
79%
25°C14°C
3 Jun
88%
24°C17°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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