Cheap Flights from Seattle, WA to Washington D.C., DC from $78

Return flight: Washington D.C. – Seattle

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On Cheapflightsplus.com you will find 7 direct and 259 connecting flights from Seattle to Washington D.C.. You can compare airfare deals from 8 airlines and multiple travel sites from $79, 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: $78 (one-way), $134 (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 $79. The fastest direct flight takes 4h 46m and the fastest connecting – 6h 6m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $79 Find flight	08:10 Seattle Seattle-Tacoma Intl	15:56 Washington D.C. Dulles International	4h 46m	Alaska Airlines	AS1188
from $79 Find flight	15:40 Seattle Seattle-Tacoma Intl	23:26 Washington D.C. Dulles International	4h 46m	Alaska Airlines	AS198
from $97 Find flight	08:32 Seattle Seattle-Tacoma Intl	16:44 Washington D.C. Dulles International	5h 12m	United Airlines	UA640
from $192 Find flight	13:10 Seattle Seattle-Tacoma Intl	20:59 Washington D.C. Dulles International	4h 49m	United Airlines	UA260
from $209 Find flight	08:00 Seattle Seattle-Tacoma Intl	15:58 Washington D.C. Ronald Reagan	4h 58m	Alaska Airlines	AS4
from $209 Find flight	14:00 Seattle Seattle-Tacoma Intl	21:58 Washington D.C. Ronald Reagan	4h 58m	Alaska Airlines	AS2

from $533 Find flight	08:40 Seattle Seattle-Tacoma Intl	16:29 Washington D.C. Dulles International	4h 49m	Delta Air Lines Inc.	DL861
from $100 Find flight	09:17 Seattle Seattle-Tacoma Intl	19:45 Washington D.C. Ronald Reagan	7h 28m layover 1h 7m - Charlotte	American Airlines	AA560 AA443
from $100 Find flight	06:00 Seattle Seattle-Tacoma Intl	17:45 Washington D.C. Ronald Reagan	8h 45m layover 2h 29m - Charlotte	American Airlines	AA2844 AA1775
from $100 Find flight	06:00 Seattle Seattle-Tacoma Intl	17:47 Washington D.C. Dulles International	8h 47m layover 2h 29m - Charlotte	American Airlines	AA2844 AA5218
from $100 Find flight	05:15 Seattle Seattle-Tacoma Intl	20:00 Washington D.C. Ronald Reagan	11h 45m layover 0h 37m - Phoenix 2h 36m - Chicago	American Airlines	AA2859 AA739 AA2499
from $100 Find flight	05:15 Seattle Seattle-Tacoma Intl	20:00 Washington D.C. Ronald Reagan	11h 45m layover 1h 55m - Phoenix 1h 23m - Chicago	American Airlines	AA2859 AA2874 AA2499

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on November 29, 2022

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 — 15:56	08:10 — 15:56 AS1188 Alaska Airlines Seattle — Washington D.C.	4h 46m	Find flight from$79
13:10 — 20:59	13:10 — 20:59 UA260 United Airlines Seattle — Washington D.C.	4h 49m	Find flight from$192
14:00 — 21:58	14:00 — 21:58 AS2 Alaska Airlines Seattle — Washington D.C.	4h 58m	Find flight from$209
15:40 — 23:26	15:40 — 23:26 AS198 Alaska Airlines Seattle — Washington D.C.	4h 46m	Find flight from$79
06:00 — 17:45	06:00 — 13:51 AA2844 American Airlines Seattle — Charlotte 2h 29m stop 16:20 — 17:45 AA1775 American Airlines Charlotte — Washington D.C.	8h 45m including layover	Find flight from$100
07:00 — 18:30	07:00 — 13:15 UA2494 United Airlines Seattle — Houston 1h 15m stop 14:30 — 18:30 UA6092 United Airlines Houston — Washington D.C.	8h 30m including layover	Find flight from$101
08:00 — 19:00	08:00 — 13:50 AA1667 American Airlines Seattle — Dallas 1h 6m stop 14:56 — 19:00 AA2907 American Airlines Dallas — Washington D.C.	8h including layover	Find flight from$101
09:17 — 19:45	09:17 — 17:15 AA560 American Airlines Seattle — Charlotte 1h 7m stop 18:22 — 19:45 AA443 American Airlines Charlotte — Washington D.C.	7h 28m including layover	Find flight from$100
10:55 — 21:00	10:55 — 17:01 UA1598 United Airlines Seattle — Chicago 1h 4m stop 18:05 — 21:00 UA2058 United Airlines Chicago — Washington D.C.	7h 5m including layover	Find flight from$101
11:00 — 22:28	11:00 — 16:58 AA2410 American Airlines Seattle — Dallas 1h 27m stop 18:25 — 22:28 AA1838 American Airlines Dallas — Washington D.C.	8h 28m including layover	Find flight from$101
12:35 — 23:42	12:35 — 18:50 UA335 United Airlines Seattle — Houston 55m stop 19:45 — 23:42 UA6051 United Airlines Houston — Washington D.C.	8h 7m including layover	Find flight from$101
13:15 — 23:27	13:15 — 16:54 UA2493 United Airlines Seattle — Denver 1h 1m stop 17:55 — 23:27 UA2135 United Airlines Denver — Washington D.C.	7h 12m including layover	Find flight from$101
05:15 — 20:00	05:15 — 08:05 AA2859 American Airlines Seattle — Phoenix 37m stop 08:42 — 14:25 AA739 American Airlines Phoenix — Chicago 2h 36m stop 17:01 — 20:00 AA2499 American Airlines Chicago — Washington D.C.	11h 45m including layover	Find flight from$100
17:04 — 09:55 +1 day	17:04 — 19:55 DL1380 Delta Air Lines Inc. Seattle — Salt Lake City 3h 40m stop 23:35 — 05:10 DL1176 Delta Air Lines Inc. Salt Lake City — Atlanta 3h 9m stop 08:19 — 09:55 DL2224 Delta Air Lines Inc. Atlanta — Washington D.C.	13h 51m including layover	Find flight from$139
23:56 — 14:18 +1 day	23:56 — 07:49 AA610 American Airlines Seattle — Charlotte 2h 2m stop 09:51 — 11:47 AA1639 American Airlines Charlotte — New York 1h 13m stop 13:00 — 14:18 AA2116 American Airlines New York — Washington D.C.	11h 22m including layover	Find flight from$116

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

*Departure and arrival times - local. Updated on November 29, 2022

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 00:15 to 23:59 from 3 Seattle airports and arrive 00:15 to 23:59 to 2 Washington D.C. airports. Average flight time is 4h 49m.

The fastest flight 4h 46m
Average flight time 4h 49m
The earliest flight 00:15
The latest flight 23:59
Distance 2321 ml

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

The cheapest plane ticket found by our users is $79. This airfare is for economy class on one-way AS198 flight by Alaska Airlines for August 25, 2020 which leaves Seattle-Tacoma Intl in Seattle at 15:40 am and arrives at Washington D.C. Dulles International at 23:26.

Economy class

$79

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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 8 regular airlines and 4 low-cost airlines. Most of the flights on this route are operated by American Airlines - 42 departures per week at the price of from $ 100 . And the most expensive tickets are offered by Alaska Airlines airline - from $ 968.

Direct flights

There are 7 nonstop flights on the route. The fastest direct flight is AS1188 by Alaska Airlines takes 4h 46m and the cheapest is AS198 by Alaska Airlines for $79.

AS - Alaska Airlines

from $79

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DL - Delta Air Lines Inc.

from $533

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UA - United Airlines

from $97

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Connecting Flights

There are 259 flights with layovers on the route. The fastest connecting flight is DL1422 by Delta Air Lines Inc. takes 6h 6m and the cheapest is AS198 by Alaska Airlines for $100.

AA - American Airlines

from $100

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AS - Alaska Airlines

from $156

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F9 - Frontier Airlines

from $148

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SY - Sun Country Airlines

from $308

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WN - Southwest Airlines

from $145

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DL - Delta Air Lines Inc.

from $139

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UA - United Airlines

from $101

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NK - Spirit Airlines

from $185

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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 $79
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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 8 airlines that use 10 aircraft brands. They range from huge modern airplanes to small-sized.

Boeing 737-900 (winglets)

from $79

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Boeing 737-800 (winglets)

from $79

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Boeing 737-900

from $97

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Airbus A321-100/200

from $100

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Airbus A321

from $100

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Boeing 737-800

from $101

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Boeing 757-200

from $139

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Airbus A330-200

from $145

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Boeing 757

from $150

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Boeing 777-200/300

from $192

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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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All flights from Seattle | All flights to Washington D.C.

How to book a plane ticket yourself?

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