Cheap Flights from Washington D.C., DC to Seattle, WA from $150

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Return flight: Seattle – Washington D.C.

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On Cheapflightsplus.com you will find 5 direct and 49 connecting flights from Washington D.C. to Seattle. You can compare airfare deals from 3 airlines and multiple travel sites from $150, book and save on cheap plane tickets and last minute offers. Also check out WAS-SEA flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Washington D.C. to Seattle Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $150 (one-way), $257 (round-trip).

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Best Flights from Washington D.C. to Seattle Today

Take a look at the list of non stop flights and flights with layovers from Washington D.C. to Seattle with the lowest price of $150. The fastest direct flight takes 5h 55m and the fastest connecting – 7h 42m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $150 Find flight	07:00 Washington D.C. Dulles International	09:56 Seattle Seattle-Tacoma Intl	5h 56m	Alaska Airlines	AS308
from $179 Find flight	17:30 Washington D.C. Dulles International	20:31 Seattle Seattle-Tacoma Intl	6h 1m	United Airlines	UA326
from $236 Find flight	17:39 Washington D.C. Ronald Reagan	20:34 Seattle Seattle-Tacoma Intl	5h 55m	Alaska Airlines	AS3
from $189 Find flight	07:00 Washington D.C. Ronald Reagan	12:07 Seattle Seattle-Tacoma Intl	8h 7m layover 1h 2m - Chicago	United Airlines	UA231 UA2849
from $189 Find flight	17:20 Washington D.C. Dulles International	23:09 Seattle Seattle-Tacoma Intl	8h 49m layover 1h 36m - Denver	United Airlines	UA2463 UA2651
from $189 Find flight	12:35 Washington D.C. Dulles International	18:52 Seattle Seattle-Tacoma Intl	9h 17m layover 0h 50m - San Francisco	United Airlines	UA1126 UA2603
from $189 Find flight	16:33 Washington D.C. Ronald Reagan	23:00 Seattle Seattle-Tacoma Intl	9h 27m layover 0h 49m - Houston	United Airlines	UA229 UA2456
from $189 Find flight	08:35 Washington D.C. Dulles International	15:45 Seattle Seattle-Tacoma Intl	10h 10m layover 1h 38m - San Francisco	United Airlines	UA1116 UA593
from $189 Find flight	15:30 Washington D.C. Ronald Reagan	22:53 Seattle Seattle-Tacoma Intl	10h 23m layover 3h 16m - Chicago	United Airlines	UA1888 UA2211
from $189 Find flight	08:30 Washington D.C. Ronald Reagan	16:16 Seattle Seattle-Tacoma Intl	10h 46m layover 3h 42m - Chicago	United Airlines	UA1296 UA1485
from $189 Find flight	14:19 Washington D.C. Dulles International	22:30 Seattle Seattle-Tacoma Intl	11h 11m layover 2h 18m - Los Angeles	United Airlines	UA773 UA1875
from $189 Find flight	12:35 Washington D.C. Dulles International	21:20 Seattle Seattle-Tacoma Intl	11h 45m layover 3h 18m - San Francisco	United Airlines	UA1126 UA2019
from $194 Find flight	18:55 Washington D.C. Ronald Reagan	07:08+1 день Seattle Seattle-Tacoma Intl	15h 13m layover 8h 9m - Portland	Alaska Airlines	AS9 AS124
from $220 Find flight	09:00 Washington D.C. Ronald Reagan	18:55 Seattle Seattle-Tacoma Intl	12h 55m layover 3h 57m - Los Angeles	Alaska Airlines	AS5 AS1371
from $194 Find flight	12:41 Washington D.C. Dulles International	21:20 Seattle Seattle-Tacoma Intl	11h 39m layover 0h 36m - Los Angeles 1h 16m - San Francisco	United Airlines	UA1053 UA2019 UA2019
from $336 Find flight	06:25 Washington D.C. Ronald Reagan	15:54 Seattle Seattle-Tacoma Intl	12h 29m layover 1h 0m - Chicago 1h 55m - San Francisco	United Airlines	UA1793 UA1387 UA1387

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on December 21, 2024

Flight Schedule Washington D.C. (District of Columbia) to Seattle (Washington)

Full flight schedule will help you in detecting at what time planes fly from Washington D.C. to Seattle. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.

Departure	Flight Details	Flight Duration	Price
07:00 — 09:56	07:00 — 09:56 AS308 Alaska Airlines Washington D.C. — Seattle	5h 56m	Find flight from$150
08:00 — 10:58	08:00 — 10:58 AS1 Alaska Airlines Washington D.C. — Seattle	5h 58m	Find flight from$236
17:19 — 20:19	17:19 — 20:19 UA1730 United Airlines Washington D.C. — Seattle	6h	Find flight from$203
17:30 — 20:31	17:30 — 20:31 UA326 United Airlines Washington D.C. — Seattle	6h 1m	Find flight from$179
17:39 — 20:34	17:39 — 20:34 AS3 Alaska Airlines Washington D.C. — Seattle	5h 55m	Find flight from$236
06:30 — 12:07	06:30 — 07:48 UA1793 United Airlines Washington D.C. — Chicago 1h 32m stop 09:20 — 12:07 UA2849 United Airlines Chicago — Seattle	8h 37m including layover	Find flight from$189
06:32 — 15:45	06:32 — 09:40 UA1095 United Airlines Washington D.C. — San Francisco 3h 45m stop 13:25 — 15:45 UA593 United Airlines San Francisco — Seattle	12h 13m including layover	Find flight from$189
07:00 — 12:07	07:00 — 08:18 UA231 United Airlines Washington D.C. — Chicago 1h 2m stop 09:20 — 12:07 UA2849 United Airlines Chicago — Seattle	8h 7m including layover	Find flight from$189
08:30 — 16:16	08:30 — 09:48 UA1296 United Airlines Washington D.C. — Chicago 3h 42m stop 13:30 — 16:16 UA1485 United Airlines Chicago — Seattle	10h 46m including layover	Find flight from$189
08:35 — 15:45	08:35 — 11:29 UA1116 United Airlines Washington D.C. — San Francisco 1h 38m stop 13:25 — 15:45 UA593 United Airlines San Francisco — Seattle	10h 10m including layover	Find flight from$189
09:00 — 18:55	09:00 — 12:03 AS5 Alaska Airlines Washington D.C. — Los Angeles 3h 57m stop 16:00 — 18:55 AS1047 Alaska Airlines Los Angeles — Seattle	12h 55m including layover	Find flight from$207
09:00 — 18:55	09:00 — 12:03 AS5 Alaska Airlines Washington D.C. — Los Angeles 3h 57m stop 16:00 — 18:55 AS1371 Alaska Airlines Los Angeles — Seattle	12h 55m including layover	Find flight from$220
10:05 — 18:15	10:05 — 12:13 UA1926 United Airlines Washington D.C. — Denver 3h 57m stop 16:10 — 18:15 UA745 United Airlines Denver — Seattle	11h 10m including layover	Find flight from$238
10:30 — 16:16	10:30 — 11:58 UA3544 United Airlines Washington D.C. — Chicago 1h 32m stop 13:30 — 16:16 UA1485 United Airlines Chicago — Seattle	8h 46m including layover	Find flight from$243
11:30 — 18:45	11:30 — 13:07 UA3520 United Airlines Washington D.C. — Chicago 2h 58m stop 16:05 — 18:45 UA2278 United Airlines Chicago — Seattle	10h 15m including layover	Find flight from$331
12:35 — 18:52	12:35 — 15:42 UA1126 United Airlines Washington D.C. — San Francisco 50m stop 16:32 — 18:52 UA2603 United Airlines San Francisco — Seattle	9h 17m including layover	Find flight from$189
12:35 — 21:20	12:35 — 15:42 UA1126 United Airlines Washington D.C. — San Francisco 3h 18m stop 19:00 — 21:20 UA2019 United Airlines San Francisco — Seattle	11h 45m including layover	Find flight from$189
13:00 — 18:45	13:00 — 14:21 UA1685 United Airlines Washington D.C. — Chicago 1h 44m stop 16:05 — 18:45 UA2278 United Airlines Chicago — Seattle	8h 45m including layover	Find flight from$288
14:19 — 22:30	14:19 — 17:12 UA773 United Airlines Washington D.C. — Los Angeles 2h 18m stop 19:30 — 22:30 UA1875 United Airlines Los Angeles — Seattle	11h 11m including layover	Find flight from$189
15:00 — 22:00	15:28 — 17:03 UA4560 United Airlines Washington D.C. — Newark 2h 15m stop 19:10 — 22:37 UA2044 United Airlines Newark — Seattle	10h including layover	Find flight from$190
15:30 — 22:53	15:30 — 16:48 UA1888 United Airlines Washington D.C. — Chicago 3h 16m stop 20:04 — 22:53 UA2211 United Airlines Chicago — Seattle	10h 23m including layover	Find flight from$189
16:00 — 21:11	16:00 — 18:08 UA1218 United Airlines Washington D.C. — Denver 57m stop 19:05 — 21:11 UA299 United Airlines Denver — Seattle	8h 11m including layover	Find flight from$190
16:33 — 23:00	16:33 — 19:10 UA229 United Airlines Washington D.C. — Houston 49m stop 19:59 — 23:00 UA2456 United Airlines Houston — Seattle	9h 27m including layover	Find flight from$189
17:20 — 23:09	17:20 — 19:28 UA2463 United Airlines Washington D.C. — Denver 1h 36m stop 21:04 — 23:09 UA2651 United Airlines Denver — Seattle	8h 49m including layover	Find flight from$189
18:00 — 22:42	18:05 — 19:23 UA2148 United Airlines Washington D.C. — Chicago 36m stop 20:04 — 22:53 UA2211 United Airlines Chicago — Seattle	7h 42m including layover	Find flight from$190
18:05 — 23:10	18:05 — 19:29 UA5800 United Airlines Washington D.C. — Chicago 52m stop 20:21 — 23:10 UA2211 United Airlines Chicago — Seattle	8h 5m including layover	Find flight from$191
21:25 — 17:05 +2 days	21:25 — 15:20 TK8 Turkish Airlines Washington D.C. — Istanbul 24h stop 15:20 — 17:05 TK203 Turkish Airlines Istanbul — Seattle	46h 40m including layover	Find flight from$2005
22:20 — 09:49 +1 day	22:20 — 00:30 UA1580 United Airlines Washington D.C. — Denver 7h 16m stop 07:46 — 09:49 UA204 United Airlines Denver — Seattle	14h 29m including layover	Find flight from$330

Departure	Arrival	Flight Details	Flight Time	Price
		stop stop	including layover	Find flight from$

*Departure and arrival times - local. Updated on December 21, 2024

Flight Information

Below we will explain in detail what the flights cost on the destination from Washington D.C. to Seattle depends on and how to choose the most interesting flight option for you.

Distance between Washington D.C. and Seattle is 3735 miles. Time difference between the cities is 3h. Airplanes depart 06:00 to 22:20 from 2 Washington D.C. airports and arrive 06:00 to 22:20 to 3 Seattle airports. Average flight time is 5h 58m.

The fastest flight 5h 55m
Average flight time 5h 58m
The earliest flight 06:00
The latest flight 22:20
Distance 2321 ml

The cheapest months to travel to Seattle are february (from 150 $), january (from 179 $), december (from 189 $).

The most expensive months are november (from 252 $), december (from 189 $), january (from 179 $).

What is the lowest airfare Washington D.C. to Seattle?

The cheapest plane ticket found by our users is $150. This airfare is for economy class on one-way AS308 flight by Alaska Airlines for February 21, 2025 which leaves Dulles International in Washington D.C. at 07:00 am and arrives at Seattle Seattle-Tacoma Intl at 09:56.

Economy class

$150

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Business class

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First class

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Popular Airlines on the Route

The flight Washington D.C. — Seattle is served by 3 regular airlines . Most of the flights on this route are operated by Alaska Airlines - 9 departures per week at the price of from $ 150 . And the most expensive tickets are offered by Turkish Airlines airline - from $ 2005.

Direct flights

There are 5 nonstop flights on the route. The fastest direct flight is AS3 by Alaska Airlines takes 5h 55m and the cheapest is AS308 by Alaska Airlines for $150.

AS - Alaska Airlines

from $150

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UA - United Airlines

from $179

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Connecting Flights

There are 49 flights with layovers on the route. The fastest connecting flight is UA2148 by United Airlines takes 7h 42m and the cheapest is AS308 by Alaska Airlines for $189.

AS - Alaska Airlines

from $194

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UA - United Airlines

from $189

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TK - Turkish Airlines

from $2005

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See more connecting flights

Airports

You can fly from Washington D.C. to Seattle from 2 airports (Dulles International, Ronald Reagan).

Washington D.C. airports

Dulles International-IAD

from $150
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Ronald Reagan-DCA

from $189
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Seattle airports

Boeing Field International Airport-BFI

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Seattle-Tacoma Intl-SEA

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Kenmore Air Harbor SPB-LKE

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Airplanes

There are flights to Seattle from Washington D.C. by 3 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.

Top Domestic Destinations from Washington D.C.

You may also consider searching for discounted plane tickets to some other popular places from Washington D.C. within United States.

Washington D.C. — Chicago

from $65

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Washington D.C. — San Francisco

from $76

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Washington D.C. — Boston

from $73

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Washington D.C. — New York

from $119

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Washington D.C. — Orlando

from $76

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Washington D.C. — Los Angeles

from $57

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Washington D.C. — Miami

from $70

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Washington D.C. — Las Vegas

from $70

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Washington D.C. — Tucson

from $69

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Washington D.C. — Minneapolis

from $79

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Top International Destinations from Washington D.C.

Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.

Washington D.C. — Paris

from $63

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Washington D.C. — Mexico City

from $59

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Washington D.C. — Manchester

from $63

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Washington D.C. — Dublin

from $65

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Washington D.C. — Montreal

from $74

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Washington D.C. — Amsterdam

from $65

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Washington D.C. — London

from $77

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Washington D.C. — Toronto

from $72

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Washington D.C. — Aruba

from $69

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Washington D.C. — San Jose

from $73

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How to book a plane ticket yourself?

Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
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Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.
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