Cheap flights from St. Louis to Washington, D.C. from £67

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1 stop
Thu, Dec 4
St. Louis STLWashington, D.C. IAD
£67
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1 stop
Thu, Dec 4
St. Louis STLWashington, D.C. IAD
£67
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1 stop
Thu, Dec 4
St. Louis STLWashington, D.C. BWI
£74
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1 stop
Thu, Dec 4
St. Louis STLWashington, D.C. BWI
£74
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1 stop
Thu, Dec 4
St. Louis STLWashington, D.C. BWI
£74
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Direct
Tue, Dec 2
St. Louis STLWashington, D.C. IAD
£135
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1 stop
Thu, Dec 4 – Sun, Dec 7
St. Louis STLWashington, D.C. IAD
£135
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1 stop
Fri, Dec 5 – Mon, Dec 8
St. Louis STLWashington, D.C. IAD
£136
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1 stop
Fri, Dec 5 – Mon, Dec 8
St. Louis STLWashington, D.C. IAD
£136
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1 stop
Fri, Dec 5 – Mon, Dec 8
St. Louis STLWashington, D.C. IAD
£136
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1 stop
Thu, Dec 4 – Sun, Dec 7
St. Louis STLWashington, D.C. IAD
£165
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1 stop
Thu, Dec 4 – Sun, Dec 7
St. Louis STLWashington, D.C. IAD
£165
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How much do flights to Washington, D.C. cost?

Cheapest one-way trip

£67

Cheapest nonstop round-trip

£387

Cheapest round-trip

£135

Average round-trip

£186

Includes rare itinerary

Travel hack

Key info about flying to Washington, D.C.

Depart from
St. Louis Lambert International
Arrive to
Washington Dulles International
Average flights per week
266
Flight distance
1118 km
Worth visiting
National Mall - 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 chart.

AirlineMon 03.11Tue 04.11Wed 05.11Thu 06.11Fri 07.11Sat 08.11Sun 09.11
United Airlines
2212221
Weekly flights: 12 totalDaily flights: 1.71 averageMost flights: Monday 2 flights
AirlineMon 10.11Tue 11.11Wed 12.11Thu 13.11Fri 14.11Sat 15.11Sun 16.11
United Airlines
1122222
Weekly flights: 12 totalDaily flights: 1.71 averageMost flights: Wednesday 2 flights
AirlineMon 17.11Tue 18.11Wed 19.11Thu 20.11Fri 21.11Sat 22.11Sun 23.11
United Airlines
212121---
Weekly flights: 9 totalDaily flights: 1.29 averageMost flights: Monday 2 flights
AirlineMon 24.11Tue 25.11Wed 26.11Thu 27.11Fri 28.11Sat 29.11Sun 30.11
United Airlines
2222222
Weekly flights: 14 totalDaily flights: 2 averageMost flights: Monday 2 flights

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

NameCarrier codeIATA CodePassport needed during booking
United AirlinesUALUANo
Frontier AirlinesFFTF9No
Spirit AirlinesNKSNKNo
JetBlue AirwaysJBUB6No
Southern Airways ExpressFDY9XYes

Online check-in is not available for these airlines.

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
June29°C18°C
July32°C21°C
August30°C20°C
September26°C17°C
October20°C11°C
November13°C5°C
December8°C1°C
Hottest Month
32°C
July
Coldest month
-1°C
January
Sunny days
266
days per year
Snow days
8
days per year

14 day forecast

Sunday
9 Nov
87%
20°C8°C
16 Nov
12°C3°C
Monday
10 Nov
88%
9°C4°C
17 Nov
18°C10°C
Tuesday
11 Nov
9°C0°C
18 Nov
16°C6°C
Wednesday
12 Nov
85%
15°C2°C
19 Nov
70%
17°C7°C
Thursday
13 Nov
12°C7°C
20 Nov
84%
19°C12°C
Friday
14 Nov
11°C4°C
21 Nov
14°C9°C
Saturday
15 Nov
9°C1°C
22 Nov
79%
16°C11°C
Book your trip to arrive at Washington Dulles International, Baltimore–Washington International, or Ronald Reagan Washington National. The distance between St. Louis and Washington, D.C. is 1118 km. The most popular airlines for this route are United Airlines, Frontier Airlines, Spirit Airlines, JetBlue Airways, and Southern Airways Express. St. Louis and Washington, D.C. have 266 direct flights per week. When you arrive at Washington, D.C., consider visiting National Mall, and Lincoln Memorial.

Frequently asked questions

How long does it take to travel from St. Louis to Washington, D.C.?
A one-way nonstop (direct) flight between St. Louis and Washington, D.C. takes around 2.1 hours.
What is the flight distance between St. Louis and Washington, D.C.?
The flight distance between St. Louis and Washington, D.C. is 1118 km.
What airlines offer nonstop (direct) flights between St. Louis and Washington, D.C.?
Several carriers operate flights between St. Louis and Washington, D.C.. Airlines offering nonstop (direct) flights include United Airlines.
What are the most popular routes to and from St. Louis?
Travelers frequently search for route combinations, such as St. Louis and London, Las Vegas, Orlando, Cancún, Denver, Los Angeles, San Francisco, Mexico City, Cali, Buenos Aires, Ottawa, Lima, Toronto, Edmonton, San José, Reykjavik, Kelowna, Tuxtla Gutiérrez, Sydney, Fort Lauderdale.
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, Manchester, Atlanta, Los Angeles, Orlando, Edinburgh, Glasgow, Mexico City, Dallas, Aberdeen, Tampa, Toronto, San Francisco, Denver, Boston, Houston, San Salvador, Lima, Miami, Las Vegas.
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, Evansville Regional, Waynesville-St. Robert Regional, Cape Girardeau Regional, Abraham Lincoln Capital, Central Illinois Regional, MidAmerica St. Louis, Barkley Regional, Quincy Regional.
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, Atlantic City International, Lehigh Valley International, Trenton–Mercer, Harrisburg International, Shenandoah Valley Regional, Hagerstown Regional, Lancaster.
Which airlines fly between St. Louis and Washington, D.C.?
Currently, you can fly between St. Louis and Washington, D.C. with United Airlines, Frontier Airlines, Spirit Airlines, JetBlue Airways, Southern Airways Express.
When’s the best time to travel between St. Louis and Washington, D.C.?
If you don’t have specific dates for your trip between St. Louis and Washington, D.C., you can enter a date range into the departure and return fields. Most carriers on the Kiwi.com website allow you to search and book up to six months from the day of your search. Order the search results by the best, cheapest, or fastest route, or find the cheapest outbound and return combination in the pricing table.
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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