Cheap flights from Washington, D.C. to Seattle from $171

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Direct
Tue, Jul 29
Washington, D.C. BWISeattle SEA

$171
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Direct
Tue, Jul 29
Washington, D.C. BWISeattle SEA

$171
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Direct
Tue, Jul 29
Washington, D.C. DCASeattle SEA

$176
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Direct
Tue, Jul 29
Washington, D.C. DCASeattle SEA

$177
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Direct
Tue, Jul 29
Washington, D.C. DCASeattle SEA

$177
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Direct
Tue, Jul 29
Washington, D.C. BWISeattle SEA

$192
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Prices updated:

Direct
Tue, Jul 29 – Sat, Aug 2
Washington, D.C. DCASeattle SEA

$316
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Direct
Tue, Jul 29 – Sat, Aug 2
Washington, D.C. DCASeattle SEA

$316
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Direct
Tue, Jul 29 – Sat, Aug 2
Washington, D.C. DCASeattle SEA

$316
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Direct
Tue, Jul 29 – Sat, Aug 2
Washington, D.C. DCASeattle SEA

$316
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Direct
Mon, Jul 28 – Fri, Aug 1
Washington, D.C. IADSeattle SEA

$348
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Direct
Mon, Jul 28 – Fri, Aug 1
Washington, D.C. IADSeattle SEA

$348
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Prices updated:

Key info about flying to Seattle

Depart from
Washington Dulles International
Arrive to
Seattle–Tacoma International
Average flights per week
143
Flight distance
3752 km
Worth visiting
Lulu Island

Weekly direct flights

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

AirlineSun 29.06Mon 30.06Tue 01.07Wed 02.07Thu 03.07Fri 04.07Sat 05.07
---------------------
---------------------
---------------------
Weekly flights: 0 totalDaily flights: 0 averageMost flights: 0 flights
AirlineSun 06.07Mon 07.07Tue 08.07Wed 09.07Thu 10.07Fri 11.07Sat 12.07
---------6367
---------------------
---------3234
Weekly flights: 34 totalDaily flights: 4.86 averageMost flights: Saturday 7 flights
AirlineSun 13.07Mon 14.07Tue 15.07Wed 16.07Thu 17.07Fri 18.07Sat 19.07
7775763
---------3333
1---13111
Weekly flights: 62 totalDaily flights: 8.86 averageMost flights: Sunday 7 flights
AirlineSun 20.07Mon 21.07Tue 22.07Wed 23.07Thu 24.07Fri 25.07Sat 26.07
6566547
3433113
------12---11
Weekly flights: 62 totalDaily flights: 8.86 averageMost flights: Saturday 7 flights

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

NameCarrier codeIATA CodePassport needed during booking
Hawaiian AirlinesHALHANo
United AirlinesUALUANo
Alaska AirlinesASAASNo
Frontier AirlinesFFTF9No
Air Excursions X4No

Weather in Seattle

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January7°C2°C
February8°C1°C
March10°C3°C
April13°C5°C
May18°C8°C
June21°C10°C
July25°C13°C
August26°C14°C
September22°C11°C
October15°C7°C
November10°C4°C
December6°C2°C
Hottest Month
26°C
August
Coldest month
1°C
February
Sunny days
253
days per year
Snow days
5
days per year

14 day forecast

Saturday
5 Jul
21°C12°C
12 Jul
83%
24°C13°C
Sunday
6 Jul
23°C10°C
13 Jul
19°C11°C
Monday
7 Jul
27°C11°C
14 Jul
81%
22°C12°C
Tuesday
8 Jul
29°C12°C
15 Jul
86%
18°C11°C
Wednesday
9 Jul
88%
21°C15°C
16 Jul
22°C11°C
Thursday
10 Jul
25°C14°C
17 Jul
26°C9°C
Friday
11 Jul
29°C12°C
18 Jul
30°C13°C
Travelers usually depart from Washington Dulles International, Baltimore–Washington International, or Ronald Reagan Washington National when they travel from Washington, D.C. to Seattle. Book your trip to arrive at Seattle–Tacoma International, Boeing Field, or Kenmore Air Harbor Seaplane Base. The distance between Washington, D.C. and Seattle is 3752 km. The most popular airlines for this route are Hawaiian Airlines, United Airlines, Alaska Airlines, Frontier Airlines, and Air Excursions. Washington, D.C. and Seattle have 143 direct flights per week.

Frequently asked questions

How long does it take to travel from Washington, D.C. to Seattle?
What is the flight distance between Washington, D.C. and Seattle?
What airlines offer nonstop (direct) flights between Washington, D.C. and Seattle?
What are the most popular routes to and from Washington, D.C.?
What are the most popular routes to and from Seattle?
Which airports are there in Washington, D.C.?
What airports are near Washington, D.C.?
What airports are near Seattle?
Which airlines fly between Washington, D.C. and Seattle?
When’s the best time to travel between Washington, D.C. and Seattle?
What flights operate between Washington, D.C. and Seattle?
How many airports are there near Washington, D.C.?
How many airports are there near Seattle?
What time do nonstop (direct) flights between Washington, D.C. and Seattle depart?
What time do nonstop (direct) flights between Washington, D.C. and Seattle arrive?
What time do flights between Washington, D.C. and Seattle depart?
What time do flights between Washington, D.C. and Seattle arrive?

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