Cheap Flights from Seattle, WA to Washington D.C., DC from $80

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Return flight: Washington D.C. – Seattle

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On Cheapflightsplus.com you will find 3 direct and 21 connecting flights from Seattle to Washington D.C.. You can compare airfare deals from 3 airlines and multiple travel sites from $80, book and save on cheap plane tickets and last minute offers. Also check out SEA-WAS flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Seattle to Washington D.C. 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: $80 (one-way), $137 (round-trip).

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Best Flights from Seattle to Washington D.C. Today

Take a look at the list of non stop flights and flights with layovers from Seattle to Washington D.C. with the lowest price of $80. The fastest direct flight takes 4h 52m and the fastest connecting – 6h 35m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $149 Find flight	21:40 Seattle Seattle-Tacoma Intl	05:32+1 день Washington D.C. Dulles International	4h 52m	Alaska Airlines	AS307
from $192 Find flight	14:05 Seattle Seattle-Tacoma Intl	21:59 Washington D.C. Ronald Reagan	4h 54m	Alaska Airlines	AS2
from $278 Find flight	08:10 Seattle Seattle-Tacoma Intl	16:09 Washington D.C. Dulles International	4h 59m	United Airlines	UA1102
from $80 Find flight	09:37 Seattle Seattle-Tacoma Intl	21:59 Washington D.C. Ronald Reagan	9h 22m layover 3h 2m - Denver	Frontier Airlines	F93406 F9690
from $97 Find flight	22:08 Seattle Seattle-Tacoma Intl	12:09+1 день Washington D.C. Ronald Reagan	11h 1m layover 4h 48m - Denver	Frontier Airlines	F91176 F9686
from $202 Find flight	08:05 Seattle Seattle-Tacoma Intl	17:40 Washington D.C. Ronald Reagan	6h 35m layover 0h 51m - Portland	Alaska Airlines	AS3362 AS10
from $202 Find flight	06:42 Seattle Seattle-Tacoma Intl	17:40 Washington D.C. Ronald Reagan	7h 58m layover 2h 16m - Portland	Alaska Airlines	AS2111 AS10
from $212 Find flight	16:58 Seattle Seattle-Tacoma Intl	05:18+1 день Washington D.C. Dulles International	9h 20m layover 2h 2m - San Francisco	United Airlines	UA2482 UA2110
from $212 Find flight	12:37 Seattle Seattle-Tacoma Intl	01:00+1 день Washington D.C. Dulles International	9h 23m layover 2h 1m - San Francisco	United Airlines	UA1482 UA2262
from $212 Find flight	15:24 Seattle Seattle-Tacoma Intl	05:18+1 день Washington D.C. Dulles International	10h 54m layover 3h 30m - San Francisco	United Airlines	UA589 UA2110
from $212 Find flight	21:25 Seattle Seattle-Tacoma Intl	20:59+1 день Washington D.C. Ronald Reagan	20h 34m layover 13h 4m - Los Angeles	Alaska Airlines	AS1292 AS6
from $213 Find flight	19:13 Seattle Seattle-Tacoma Intl	05:16+1 день Washington D.C. Dulles International	7h 3m layover 1h 2m - Denver	United Airlines	UA1387 UA1924
from $225 Find flight	07:00 Seattle Seattle-Tacoma Intl	20:59 Washington D.C. Ronald Reagan	10h 59m layover 3h 31m - Los Angeles	Alaska Airlines	AS1246 AS6
from $244 Find flight	23:59 Seattle Seattle-Tacoma Intl	11:41+1 день Washington D.C. Dulles International	8h 42m layover 2h 52m - Chicago	United Airlines	UA747 UA545
from $244 Find flight	22:59 Seattle Seattle-Tacoma Intl	17:40+1 день Washington D.C. Ronald Reagan	15h 41m layover 9h 56m - Portland	Alaska Airlines	AS957 AS10
from $244 Find flight	21:59 Seattle Seattle-Tacoma Intl	17:40+1 день Washington D.C. Ronald Reagan	16h 41m layover 10h 53m - Portland	Alaska Airlines	AS955 AS10

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on February 05, 2025

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

Full flight schedule will help you in detecting at what time planes fly from Seattle to Washington D.C.. 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
08:10 — 16:09	08:10 — 16:09 UA1102 United Airlines Seattle — Washington D.C.	4h 59m	Find flight from$278
14:05 — 21:59	14:05 — 21:59 AS2 Alaska Airlines Seattle — Washington D.C.	4h 54m	Find flight from$192
21:40 — 05:32 +1 day	21:40 — 05:32 AS307 Alaska Airlines Seattle — Washington D.C.	4h 52m	Find flight from$149
06:42 — 17:40	06:35 — 07:31 AS2111 Alaska Airlines Seattle — Portland 2h 16m stop 09:50 — 17:40 AS10 Alaska Airlines Portland — Washington D.C.	7h 58m including layover	Find flight from$202
07:00 — 20:59	07:00 — 09:50 AS1246 Alaska Airlines Seattle — Los Angeles 3h 31m stop 13:10 — 20:59 AS6 Alaska Airlines Los Angeles — Washington D.C.	10h 59m including layover	Find flight from$225
08:05 — 17:40	08:05 — 08:58 AS3362 Alaska Airlines Seattle — Portland 51m stop 09:49 — 17:40 AS10 Alaska Airlines Portland — Washington D.C.	6h 35m including layover	Find flight from$202
09:37 — 21:59	09:19 — 13:04 F93406 Frontier Airlines Seattle — Denver 3h 2m stop 16:38 — 21:58 F9690 Frontier Airlines Denver — Washington D.C.	9h 22m including layover	Find flight from$80
12:37 — 01:00 +1 day	12:37 — 14:55 UA1482 United Airlines Seattle — San Francisco 2h 1m stop 16:56 — 01:00 UA2262 United Airlines San Francisco — Washington D.C.	9h 23m including layover	Find flight from$212
15:16 — 05:16 +1 day	15:16 — 19:01 UA757 United Airlines Seattle — Denver 4h 58m stop 23:59 — 05:16 UA1924 United Airlines Denver — Washington D.C.	11h including layover	Find flight from$286
15:24 — 05:18 +1 day	15:24 — 17:42 UA589 United Airlines Seattle — San Francisco 3h 30m stop 21:12 — 05:18 UA2110 United Airlines San Francisco — Washington D.C.	10h 54m including layover	Find flight from$212
16:58 — 05:18 +1 day	16:58 — 19:10 UA2482 United Airlines Seattle — San Francisco 2h 2m stop 21:12 — 05:18 UA2110 United Airlines San Francisco — Washington D.C.	9h 20m including layover	Find flight from$212
16:58 — 07:00 +1 day	16:58 — 19:10 UA2482 United Airlines Seattle — San Francisco 3h 45m stop 22:55 — 07:00 UA1849 United Airlines San Francisco — Washington D.C.	11h 2m including layover	Find flight from$287
19:13 — 05:16 +1 day	19:13 — 22:57 UA1387 United Airlines Seattle — Denver 1h 2m stop 23:59 — 05:16 UA1924 United Airlines Denver — Washington D.C.	7h 3m including layover	Find flight from$213
19:32 — 07:00 +1 day	18:13 — 20:32 UA737 United Airlines Seattle — San Francisco 1h 5m stop 22:45 — 06:52 UA1849 United Airlines San Francisco — Washington D.C.	8h 28m including layover	Find flight from$245
20:59 — 17:40 +1 day	20:59 — 21:54 AS146 Alaska Airlines Seattle — Portland 11h 55m stop 09:49 — 17:40 AS10 Alaska Airlines Portland — Washington D.C.	17h 41m including layover	Find flight from$244
21:25 — 20:59 +1 day	21:25 — 00:12 AS1292 Alaska Airlines Seattle — Los Angeles 13h 4m stop 13:16 — 20:59 AS6 Alaska Airlines Los Angeles — Washington D.C.	20h 34m including layover	Find flight from$212
22:08 — 12:09 +1 day	20:19 — 00:05 F91176 Frontier Airlines Seattle — Denver 4h 48m stop 06:45 — 12:10 F9686 Frontier Airlines Denver — Washington D.C.	11h 1m including layover	Find flight from$97
22:08 — 21:59 +1 day	20:19 — 00:05 F91176 Frontier Airlines Seattle — Denver 14h 36m stop 16:38 — 21:58 F9690 Frontier Airlines Denver — Washington D.C.	20h 51m including layover	Find flight from$97
23:20 — 09:54 +1 day	22:36 — 06:43 UA341 United Airlines Seattle — Newark 56m stop 08:15 — 09:45 UA3414 United Airlines Newark — Washington D.C.	7h 34m including layover	Find flight from$287
23:59 — 11:41 +1 day	23:59 — 05:53 UA747 United Airlines Seattle — Chicago 2h 52m stop 08:45 — 11:41 UA545 United Airlines Chicago — Washington D.C.	8h 42m including layover	Find flight from$244
07:00 — 20:59	07:00 — 09:14 AS3369 Alaska Airlines Seattle — San Francisco 1h 23m stop 10:37 — 12:10 AS3326 Alaska Airlines San Francisco — Los Angeles 1h 6m stop 13:16 — 20:59 AS6 Alaska Airlines Los Angeles — Washington D.C.	10h 59m including layover	Find flight from$245

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

*Departure and arrival times - local. Updated on February 5, 2025

Flight Information

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

Distance between Seattle and Washington D.C. is 3735 miles. Time difference between the cities is 3h. Airplanes depart 06:42 to 23:59 from 3 Seattle airports and arrive 06:42 to 23:59 to 2 Washington D.C. airports. Average flight time is 4h 54m.

The fastest flight 4h 52m
Average flight time 4h 54m
The earliest flight 06:42
The latest flight 23:59
Distance 2321 ml

The cheapest months to travel to Washington D.C. are november (from 65 $), february (from 80 $), january (from 151 $).

The most expensive months are december (from 199 $), january (from 151 $), february (from 80 $).

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

The cheapest plane ticket found by our users is $80. This airfare is for economy class on one-way F93406 flight by Frontier Airlines for February 21, 2025 which leaves Seattle-Tacoma Intl in Seattle at 09:37 am and arrives at Washington D.C. Ronald Reagan at 21:59.

Economy class

$80

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Business class

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First class

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Popular Airlines on the Route

The flight Seattle — Washington D.C. is served by 3 regular airlines and 1 low-cost airline. Most of the flights on this route are operated by Alaska Airlines - 10 departures per week at the price of from $ 149 . And the most expensive tickets are offered by United Airlines airline - from $ 287.

Direct flights

There are 3 nonstop flights on the route. The fastest direct flight is AS307 by Alaska Airlines takes 4h 52m and the cheapest is F93406 by Frontier Airlines for $149.

AS - Alaska Airlines

from $149

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UA - United Airlines

from $278

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Connecting Flights

There are 21 flights with layovers on the route. The fastest connecting flight is AS3362 by Alaska Airlines takes 6h 35m and the cheapest is F93406 by Frontier Airlines for $80.

AS - Alaska Airlines

from $202

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F9 - Frontier Airlines

from $80

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UA - United Airlines

from $212

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Airports

You can fly from Seattle to Washington D.C. from 3 airports (Boeing Field International Airport, Seattle-Tacoma Intl, Kenmore Air Harbor SPB).

Seattle airports

Boeing Field International Airport-BFI

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Seattle-Tacoma Intl-SEA

from $80
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Kenmore Air Harbor SPB-LKE

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Washington D.C. airports

Dulles International-IAD

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Ronald Reagan-DCA

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Airplanes

There are flights to Washington D.C. from Seattle by 3 airlines that use 2 aircraft brands. They range from huge modern airplanes to small-sized.

Airbus A321-100/200

from $192

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Embraer 175 (short wing)

from $202

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Top Domestic Destinations from Seattle

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

Seattle — Spokane

from $65

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Seattle — Phoenix

from $67

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Seattle — Los Angeles

from $53

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Seattle — Houston

from $59

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Seattle — Charlotte

from $63

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Seattle — Miami

from $66

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Seattle — Milwaukee

from $75

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Seattle — Tucson

from $79

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Seattle — Denver

from $243

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Seattle — San Antonio

from $54

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Top International Destinations from Seattle

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.

Seattle — Frankfurt

from $60

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Seattle — Sydney

from $56

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Seattle — Dublin

from $76

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Seattle — London

from $70

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Seattle — Berlin

from $67

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Seattle — Rome

from $59

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Seattle — Manila

from $56

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Seattle — Barcelona

from $78

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Seattle — Dubai

from $79

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Seattle — Venice

from $53

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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.
Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
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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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