Cheap flights from Seattle to Washington, D.C. from $170

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Direct
Thu, Jul 31
Seattle SEAWashington, D.C. IAD

$170
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Direct
Thu, Jul 31
Seattle SEAWashington, D.C. IAD

$170
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Direct
Thu, Jul 31
Seattle SEAWashington, D.C. IAD

$170
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Direct
Thu, Jul 31
Seattle SEAWashington, D.C. IAD

$170
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Direct
Thu, Jul 31
Seattle SEAWashington, D.C. IAD

$170
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Direct
Tue, Jul 29
Seattle SEAWashington, D.C. IAD

$176
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Prices updated:

Direct
Thu, Jul 31 – Sun, Aug 3
Seattle SEAWashington, D.C. IAD

$302
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Direct
Wed, Jul 30 – Sun, Aug 3
Seattle SEAWashington, D.C. IAD

$303
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Direct
Wed, Jul 30 – Sun, Aug 3
Seattle SEAWashington, D.C. IAD

$304
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Direct
Wed, Jul 30 – Sun, Aug 3
Seattle SEAWashington, D.C. IAD

$304
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Direct
Thu, Jul 31 – Tue, Aug 5
Seattle SEAWashington, D.C. IAD

$312
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Direct
Thu, Jul 31 – Tue, Aug 5
Seattle SEAWashington, D.C. IAD

$312
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Prices updated:

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

Key info about flying to Washington, D.C.

Depart from
Seattle–Tacoma International
Arrive to
Washington Dulles International
Average flights per week
338
Flight distance
3705 km
Worth visiting
National Mall - Lincoln Memorial

Weekly direct flights

Discover the top airlines offering direct flights from Seattle to Washington, D.C. in the next month. You’ll find the number of daily direct flights per airline in the chart.

AirlineSun 06.07Mon 07.07Tue 08.07Wed 09.07Thu 10.07Fri 11.07Sat 12.07
---------6776
---------4433
---------3332
Weekly flights: 51 totalDaily flights: 7.29 averageMost flights: Thursday 7 flights
AirlineSun 13.07Mon 14.07Tue 15.07Wed 16.07Thu 17.07Fri 18.07Sat 19.07
2447674
---344322
------------1------
Weekly flights: 53 totalDaily flights: 7.57 averageMost flights: Wednesday 7 flights
AirlineSun 20.07Mon 21.07Tue 22.07Wed 23.07Thu 24.07Fri 25.07Sat 26.07
3476576
---144442
---------1---------
Weekly flights: 58 totalDaily flights: 8.29 averageMost flights: Tuesday 7 flights
AirlineSun 27.07Mon 28.07Tue 29.07Wed 30.07Thu 31.07Fri 01.08Sat 02.08
3677676
2444442
1---------32---
Weekly flights: 72 totalDaily flights: 10.29 averageMost flights: Tuesday 7 flights

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

NameCarrier codeIATA CodePassport needed during booking
United AirlinesUALUANo
Hawaiian AirlinesHALHANo
Alaska AirlinesASAASNo
Frontier AirlinesFFTF9No
Spirit AirlinesNKSNKNo

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
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
266
days per year
Snow days
8
days per year

14 day forecast

Sunday
13 Jul
86%
33°C24°C
20 Jul
84%
27°C20°C
Monday
14 Jul
89%
33°C22°C
21 Jul
85%
29°C19°C
Tuesday
15 Jul
87%
30°C25°C
22 Jul
31°C20°C
Wednesday
16 Jul
84%
33°C22°C
23 Jul
35°C23°C
Thursday
17 Jul
86%
35°C22°C
24 Jul
80%
35°C24°C
Friday
18 Jul
76%
31°C22°C
25 Jul
35°C25°C
Saturday
19 Jul
63%
34°C23°C
26 Jul
36°C26°C
Travelers usually depart from Seattle–Tacoma International, Boeing Field, or Kenmore Air Harbor Seaplane Base when they travel from Seattle to Washington, D.C.. Book your trip to arrive at Washington Dulles International, Baltimore–Washington International, or Ronald Reagan Washington National. The distance between Seattle and Washington, D.C. is 3705 km. The most popular airlines for this route are United Airlines, Hawaiian Airlines, Alaska Airlines, Frontier Airlines, and Spirit Airlines. Seattle and Washington, D.C. have 338 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 Seattle to Washington, D.C.?
What is the flight distance between Seattle and Washington, D.C.?
What airlines offer nonstop (direct) flights between Seattle and Washington, D.C.?
What are the most popular routes to and from Seattle?
What are the most popular routes to and from Washington, D.C.?
Which airports are there in Seattle?
What airports are near Seattle?
What airports are near Washington, D.C.?
Which airlines fly between Seattle and Washington, D.C.?
When’s the best time to travel between Seattle and Washington, D.C.?
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How many airports are there near Washington, D.C.?
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What time do flights between Seattle and Washington, D.C. depart?
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