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

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Tips to know when travelling to Washington, D.C.

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 airline for this route is United Airlines. St. Louis and Washington, D.C. have 44 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

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 Mon 01.07 - Sun 07.07

AirlineMon 01.07Tue 02.07Wed 03.07Thu 04.07Fri 05.07Sat 06.07Sun 07.07
122211---

Weekly direct flights for Mon 08.07 - Sun 14.07

AirlineMon 08.07Tue 09.07Wed 10.07Thu 11.07Fri 12.07Sat 13.07Sun 14.07
2212221

Weekly direct flights for Mon 15.07 - Sun 21.07

AirlineMon 15.07Tue 16.07Wed 17.07Thu 18.07Fri 19.07Sat 20.07Sun 21.07
2222222

Weekly direct flights for Mon 22.07 - Sun 28.07

AirlineMon 22.07Tue 23.07Wed 24.07Thu 25.07Fri 26.07Sat 27.07Sun 28.07
2222222

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

NameCarrier codeIATA CodePassport needed during booking
United AirlinesUALUAYes

Weather in Washington, D.C.

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January5°C-1°C
February8°C0°C
March12°C3°C
April19°C8°C
May23°C13°C
June28°C18°C
July31°C21°C
August30°C20°C
September26°C17°C
October20°C11°C
November13°C4°C
December8°C1°C
Hottest Month
31°C
July
Coldest month
-1°C
January
Sunny days
266
days per year
Snow days
8
days per year

14 day forecast

Tuesday
2 Jul
30°C16°C
9 Jul
81%
35°C23°C
Wednesday
3 Jul
33°C17°C
10 Jul
32°C21°C
Thursday
4 Jul
87%
36°C21°C
11 Jul
33°C22°C
Friday
5 Jul
87%
35°C22°C
12 Jul
86%
36°C22°C
Saturday
6 Jul
82%
37°C23°C
13 Jul
78%
29°C23°C
Sunday
7 Jul
88%
33°C23°C
14 Jul
84%
32°C22°C
Monday
8 Jul
89%
32°C22°C
15 Jul
35°C22°C

Frequently asked questions

How long does it take to travel from St. Louis to Washington, D.C.?
What is the flight distance between St. Louis and Washington, D.C.?
What airlines offer nonstop (direct) flights between St. Louis and Washington, D.C.?
What are the most popular routes to and from St. Louis?
What are the most popular routes to and from Washington, D.C.?
What airports are near St. Louis?
What airports are near Washington, D.C.?
Is it possible to combine flights, buses, and trains in one itinerary when traveling between St. Louis and Washington, D.C.?
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.?
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?

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