Cheap flights from St. Louis to Washington, D.C. from $160

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Direct
Thu, Jul 17
St. Louis STLWashington, D.C. IAD

$160
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1 stop
Thu, Jul 17
St. Louis STLWashington, D.C. DCA

$169
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1 stop
Thu, Jul 17
St. Louis STLWashington, D.C. DCA

$169
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1 stop
Thu, Jul 17
St. Louis STLWashington, D.C. DCA

$169
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1 stop
Thu, Jul 17
St. Louis STLWashington, D.C. DCA

$169
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1 stop
Thu, Jul 17
St. Louis STLWashington, D.C. DCA

$169
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Prices updated:

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1 stop
Fri, Jul 18 – Sun, Jul 20
St. Louis STLWashington, D.C. DCA

$345
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1 stop
Fri, Jul 18 – Sun, Jul 20
St. Louis STLWashington, D.C. DCA

$345
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1 stop
Fri, Jul 18 – Sun, Jul 20
St. Louis STLWashington, D.C. DCA

$345
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1 stop
Fri, Jul 18 – Mon, Jul 21
St. Louis STLWashington, D.C. DCA

$346
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1 stop
Fri, Jul 18 – Mon, Jul 21
St. Louis STLWashington, D.C. DCA

$346
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1 stop
Fri, Jul 18 – Mon, Jul 21
St. Louis STLWashington, D.C. DCA

$346
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How much do flights to Washington, D.C. cost?

Key info about flying to Washington, D.C.

Depart from
St. Louis Lambert International
Arrive to
Washington Dulles International
Average flights per week
201
Flight distance
1155 km
Worth visiting
Lincoln Memorial - National Mall

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.

AirlineSun 22.06Mon 23.06Tue 24.06Wed 25.06Thu 26.06Fri 27.06Sat 28.06
2333331
1222222
Weekly flights: 31 totalDaily flights: 4.43 averageMost flights: Monday 3 flights
AirlineSun 29.06Mon 30.06Tue 01.07Wed 02.07Thu 03.07Fri 04.07Sat 05.07
2333321
2222222
Weekly flights: 31 totalDaily flights: 4.43 averageMost flights: Monday 3 flights
AirlineSun 06.07Mon 07.07Tue 08.07Wed 09.07Thu 10.07Fri 11.07Sat 12.07
2333331
2222222
Weekly flights: 32 totalDaily flights: 4.57 averageMost flights: Monday 3 flights
AirlineSun 13.07Mon 14.07Tue 15.07Wed 16.07Thu 17.07Fri 18.07Sat 19.07
2333331
1222222
Weekly flights: 31 totalDaily flights: 4.43 averageMost flights: Monday 3 flights

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

NameCarrier codeIATA CodePassport needed during booking
United AirlinesUALUANo
American AirlinesAALAANo
Alaska AirlinesASAASNo
Hawaiian AirlinesHALHANo

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°C5°C
December8°C1°C
Hottest Month
31°C
July
Coldest month
-1°C
January
Sunny days
267
days per year
Snow days
8
days per year

14 day forecast

Sunday
29 Jun
36°C26°C
6 Jul
36°C21°C
Monday
30 Jun
87%
29°C24°C
7 Jul
84%
36°C23°C
Tuesday
1 Jul
81%
32°C23°C
8 Jul
75%
36°C23°C
Wednesday
2 Jul
89%
32°C21°C
9 Jul
88%
35°C22°C
Thursday
3 Jul
86%
32°C21°C
10 Jul
88%
29°C21°C
Friday
4 Jul
79%
29°C20°C
11 Jul
85%
27°C19°C
Saturday
5 Jul
31°C17°C
12 Jul
81%
28°C21°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 1155 km. The most popular airlines for this route are United Airlines, American Airlines, Alaska Airlines, and Hawaiian Airlines. St. Louis and Washington, D.C. have 201 direct flights per week. When you arrive at Washington, D.C., consider visiting Lincoln Memorial, and National Mall.

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.?
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?
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What time do flights between St. Louis and Washington, D.C. depart?
What time do flights between St. Louis and Washington, D.C. arrive?

Explore alternative trips

Flights from St. Louis

Flights to Washington, D.C.

Popular routes

The nearest countries with flights to Washington, D.C.

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Other destination countries from St. Louis

Here is a list of countries people are flying to

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