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

Make your travel wishlist, we'll do the rest
Hidden deals
Effortless booking
Travel hacking

Tips to know when travelling to St. Louis

Mailbox
Receive exclusive deals by email
Travelers usually depart from Washington Dulles International, Baltimore–Washington 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 47 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 27.05 - Sun 02.06

AirlineMon 27.05Tue 28.05Wed 29.05Thu 30.05Fri 31.05Sat 01.06Sun 02.06
2212212

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
---212212

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
1221121

Weekly direct flights for Mon 17.06 - Sun 23.06

AirlineMon 17.06Tue 18.06Wed 19.06Thu 20.06Fri 21.06Sat 22.06Sun 23.06
1212122

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
28 May
72%
25°C15°C
4 Jun
79%
29°C19°C
Wednesday
29 May
23°C13°C
5 Jun
32°C20°C
Thursday
30 May
24°C12°C
6 Jun
87%
27°C19°C
Friday
31 May
86%
23°C13°C
7 Jun
26°C17°C
Saturday
1 Jun
89%
16°C15°C
8 Jun
22°C12°C
Sunday
2 Jun
26°C11°C
9 Jun
24°C14°C
Monday
3 Jun
28°C17°C
10 Jun
24°C18°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?
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?
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?

Explore alternative trips

Flights from Washington, D.C.

Flights to St. Louis

Popular routes

The nearest countries with flights to St. Louis

Here is a list of countries people are flying from

Other destination countries from Washington, D.C.

Here is a list of countries people are flying to
Find the best connection from Washington, D.C. to St. Louis
Search flights, trains & buses
We hack the system,
you fly for less