Cheap flights from Washington, D.C. to St. Louis from £121

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1 stop
Tue, Jul 22
Washington, D.C. DCASt. Louis STL
£121
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1 stop
Tue, Jul 22
Washington, D.C. DCASt. Louis STL
£121
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1 stop
Tue, Jul 22
Washington, D.C. IADSt. Louis STL
£148
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1 stop
Thu, Jul 24
Washington, D.C. IADSt. Louis STL
£155
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1 stop
Tue, Jul 22
Washington, D.C. DCASt. Louis STL
£156
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Direct
Sun, Jul 20
Washington, D.C. IADSt. Louis STL
£192
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1 stop
Sat, Jul 26 – Tue, Jul 29
Washington, D.C. IADSt. Louis STL
£240
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1 stop
Sat, Jul 26 – Tue, Jul 29
Washington, D.C. DCASt. Louis STL
£247
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1 stop
Sat, Jul 26 – Tue, Jul 29
Washington, D.C. DCASt. Louis STL
£247
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1 stop
Sat, Jul 26 – Tue, Jul 29
Washington, D.C. DCASt. Louis STL
£247
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Direct
Sun, Jul 20 – Tue, Jul 22
Washington, D.C. IADSt. Louis STL
£312
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Direct
Sun, Jul 20 – Tue, Jul 22
Washington, D.C. IADSt. Louis STL
£312
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Prices updated:

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How much do flights to St. Louis cost?

Cheapest one-way trip

£121

Cheapest nonstop round-trip

£312

Cheapest round-trip

£240

Average round-trip

£336

Nonstop flights in July

£169 – £529

Key info about flying to St. Louis

Depart from
Washington Dulles International
Arrive to
St. Louis Lambert International
Average flights per week
114
Flight distance
1118 km

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 chart.

AirlineMon 30.06Tue 01.07Wed 02.07Thu 03.07Fri 04.07Sat 05.07Sun 06.07
United Airlines
------------122
Weekly flights: 5 totalDaily flights: 0.71 averageMost flights: Saturday 2 flights
AirlineMon 07.07Tue 08.07Wed 09.07Thu 10.07Fri 11.07Sat 12.07Sun 13.07
United Airlines
2222222
Weekly flights: 14 totalDaily flights: 2 averageMost flights: Monday 2 flights
AirlineMon 14.07Tue 15.07Wed 16.07Thu 17.07Fri 18.07Sat 19.07Sun 20.07
United Airlines
2222222
Weekly flights: 14 totalDaily flights: 2 averageMost flights: Monday 2 flights
AirlineMon 21.07Tue 22.07Wed 23.07Thu 24.07Fri 25.07Sat 26.07Sun 27.07
United Airlines
2222222
Weekly flights: 14 totalDaily flights: 2 averageMost flights: Monday 2 flights

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

NameCarrier codeIATA CodePassport needed during booking
United AirlinesUALUANo
Alaska AirlinesASAASNo

Online check-in is not available for these airlines.

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
264
days per year
Snow days
9
days per year

14 day forecast

Saturday
28 Jun
33°C24°C
5 Jul
33°C24°C
Sunday
29 Jun
71%
31°C23°C
6 Jul
87%
32°C24°C
Monday
30 Jun
89%
35°C24°C
7 Jul
87%
33°C24°C
Tuesday
1 Jul
30°C22°C
8 Jul
89%
33°C24°C
Wednesday
2 Jul
31°C20°C
9 Jul
84%
26°C22°C
Thursday
3 Jul
34°C22°C
10 Jul
31°C22°C
Friday
4 Jul
75%
34°C25°C
11 Jul
35°C22°C

St. Louis travel tips

Visit the home of Scott Joplin in St. Louis, the founder of the ragtime music genre

Visit the St. Louis house where Scott Joplin, "Ragtime's father", lived from 1901 to 1903. The site still houses the musician's memorabilia and a piano played by staff. The tour price is $6 for adults.

Visit the St. Louis Municipal Opera House, the country's oldest open-air theatre

The Municipal Opera House, also known as The Muny, opens its season from mid-June to mid-August. The first show at this theatre was Robin Hood (1919), in which the mayor of the city played King Richard. The Muny usually produces seven musicals per season. The theatre's capacity allows us to say that it is the oldest open-air theatre and the largest one. It accommodates 11,000 people and has about 1,500 free seats in the back rows.

Using public transportation in St. Louis is easy and cheap

If you don’t want to hire a car and pay for parking, you can use Metro, the light-rail and bus system in St. Louis. It covers almost the whole city. A one-day pass costs $7.50 for adults.

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 Alaska Airlines. Washington, D.C. and St. Louis have 114 direct flights per week.

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 2.3 hours.
What is the flight distance between Washington, D.C. and St. Louis?
The flight distance between Washington, D.C. and St. Louis is 1118 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.
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, Miami, Dallas, Atlanta, Edinburgh, Manchester, Tampa, San Salvador, Los Angeles, Cancún, San Juan, Mexico City, New Orleans, Glasgow, Chicago, Guadalajara, Denver, Las Vegas, Istanbul.
What are the most popular routes to and from St. Louis?
Travelers frequently search for route combinations, such as St. Louis and London, Orlando, Las Vegas, Glasgow, Denver, New York, Los Angeles, Fort Lauderdale, San Diego, Calgary, Mexico City, Seattle, Cancún, Toronto, Charlotte, Minneapolis, Atlanta, Boston, Anchorage, Vancouver.
Which airports are there in Washington, D.C.?
Washington, D.C. is mainly served by Washington Dulles International. But there are other airports nearby, including Baltimore–Washington International, Ronald Reagan Washington National.
What airports are near Washington, D.C.?
The main airport in Washington, D.C. is Washington Dulles International. It is also served by Philadelphia International, Norfolk International, Richmond International, Lehigh Valley International, Atlantic City International, Harrisburg International, Lancaster, Hagerstown Regional, Trenton–Mercer, Altoona–Blair County.
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, MidAmerica St. Louis, Evansville Regional, Central Illinois Regional, Abraham Lincoln Capital, Cape Girardeau Regional, Williamson County Regional, Barkley Regional, Waynesville-St. Robert Regional.
Which airlines fly between Washington, D.C. and St. Louis?
Currently, you can fly between Washington, D.C. and St. Louis with United Airlines, Alaska Airlines.
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?

Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any origin and destination in the world by plane. Find the cheapest routes and best deals, as well as the best dates to travel.

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