Delta Air Lines Inc. Washington D.C. to Seattle Flights

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Cheapflightsplus.com will find cheap Delta Air Lines Inc. flights from Washington D.C. to Seattle. Compare airline ticket prices and book air tickets starting from $174 from trusted online travel agencies, web sites and directly from airlines. Check flights schedule of Delta Air Lines Inc., arrivals and departure details below.

Find Cheap Airfare Washington D.C. (DC) — Seattle (WA) by Delta Air Lines Inc.

To find cheap tickets choose a day of your departure with attractive price on the graph below and click «Find flights». For round trip flights please click «Check prices for return flight». The cheapest airfare is in january: one-way - $174, two-way – $298.

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Cheap Flights from Washington D.C. to Seattle by Delta Air Lines Inc.

Look at the list of plane tickets for the most popular direct and connecting flights by Delta Air Lines Inc., their prices start from $174. The fastest nonstop flight takes 6h 13m. The fastest connecting flight — 7h 31m.

Price	Departure	Arrival	Flight Time	Airline	Flight
from $326 Find flight	7:15 am Washington D.C. Dulles International	10:28 am Seattle Seattle-Tacoma Intl	6h 13m	Delta Air Lines Inc.	DL1015
from $174 Find flight	3:25 pm Washington D.C. Ronald Reagan	10:30 am+1 день Seattle Seattle-Tacoma Intl	22h 5m layover 13h 54m - Boston	Delta Air Lines Inc.	DL5600 B6497
from $174 Find flight	6:59 am Washington D.C. Ronald Reagan	10:30 am+1 день Seattle Seattle-Tacoma Intl	30h 31m layover 22h 20m - Boston	Delta Air Lines Inc.	DL5698 B6497
from $174 Find flight	10:00 pm Washington D.C. Ronald Reagan	10:30 am+1 день Seattle Seattle-Tacoma Intl	15h 30m layover 7h 21m - Boston	Delta Air Lines Inc.	DL5686 B6497
from $174 Find flight	6:22 pm Washington D.C. Ronald Reagan	10:30 am+1 день Seattle Seattle-Tacoma Intl	19h 8m layover 10h 46m - Boston	Delta Air Lines Inc.	DL5776 B6497
from $174 Find flight	11:00 am Washington D.C. Ronald Reagan	10:30 am+1 день Seattle Seattle-Tacoma Intl	26h 30m layover 18h 21m - Boston	Delta Air Lines Inc.	DL5811 B6497
from $174 Find flight	7:21 pm Washington D.C. Ronald Reagan	10:30 am+1 день Seattle Seattle-Tacoma Intl	18h 9m layover 9h 52m - Boston	Delta Air Lines Inc.	DL5814 B6497
from $174 Find flight	6:00 am Washington D.C. Ronald Reagan	10:30 am+1 день Seattle Seattle-Tacoma Intl	31h 30m layover 23h 21m - Boston	Delta Air Lines Inc.	DL5710 B6497
from $174 Find flight	8:55 am Washington D.C. Ronald Reagan	10:30 am+1 день Seattle Seattle-Tacoma Intl	28h 35m layover 20h 22m - Boston	Delta Air Lines Inc.	DL5687 B6497
from $174 Find flight	12:00 pm Washington D.C. Ronald Reagan	10:30 am+1 день Seattle Seattle-Tacoma Intl	25h 30m layover 17h 21m - Boston	Delta Air Lines Inc.	DL5812 B6497
from $268 Find flight	1:44 pm Washington D.C. Ronald Reagan	10:25 pm Seattle Seattle-Tacoma Intl	11h 41m layover 3h 15m - Boston	Delta Air Lines Inc.	DL5712 DL324
from $329 Find flight	1:35 pm Washington D.C. Ronald Reagan	6:24 pm Seattle Seattle-Tacoma Intl	7h 49m layover 0h 50m - Detroit	Delta Air Lines Inc.	DL2500 DL944
from $201 Find flight	1:35 pm Washington D.C. Ronald Reagan	7:15 am+1 день Seattle Seattle-Tacoma Intl	20h 40m layover 1h 1m - Detroit 11h 27m - Denver	Delta Air Lines Inc.	DL2500 DL2431 F91175
from $201 Find flight	6:35 pm Washington D.C. Ronald Reagan	7:15 am+1 день Seattle Seattle-Tacoma Intl	15h 40m layover 1h 52m - Atlanta 5h 15m - Denver	Delta Air Lines Inc.	DL634 DL956 F91175
from $201 Find flight	3:31 pm Washington D.C. Dulles International	7:15 am+1 день Seattle Seattle-Tacoma Intl	18h 44m layover 1h 15m - Atlanta 8h 59m - Denver	Delta Air Lines Inc.	DL719 DL746 F91175
from $238 Find flight	11:47 am Washington D.C. Ronald Reagan	7:15 am+1 день Seattle Seattle-Tacoma Intl	22h 28m layover 1h 24m - Minneapolis 12h 52m - Denver	Delta Air Lines Inc.	DL2337 DL1025 F91175

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*Departure and arrival times are local. Prices are for one-way flights. Information refreshed on 01/07/2025

Delta Air Lines Inc. Flight Schedule Washington D.C. to Seattle

Below is a detailed 2025 flight schedule for today, tomorrow and all other days. It may vary depending on season and a day of the week of your desired trip. We recommend booking your itinerary at least 2 weeks prior your travel to get the best price and availability by the airline.

Departure	Flight Details	Flight Time	Price
6:25 pm — 9:38 pm	6:25 pm — 9:38 pm DL508 Delta Air Lines Inc. Washington D.C. — Seattle	6h 13m	Find flight from$326
7:15 am — 10:28 am	7:15 am — 10:28 am DL1015 Delta Air Lines Inc. Washington D.C. — Seattle	6h 13m	Find flight from$326
10:00 pm — 10:30 am +1 day	10:00 pm — 11:39 pm DL5686 Delta Air Lines Inc. Washington D.C. — Boston 7h 21m stop 7:00 am — 10:30 am B6497 JetBlue Boston — Seattle	15h 30m including layover	Find flight from$174
11:00 am — 10:30 am +1 day	11:00 am — 12:39 pm DL5811 Delta Air Lines Inc. Washington D.C. — Boston 18h 21m stop 7:00 am — 10:30 am B6497 JetBlue Boston — Seattle	26h 30m including layover	Find flight from$174
12:00 pm — 10:30 am +1 day	12:00 pm — 1:39 pm DL5812 Delta Air Lines Inc. Washington D.C. — Boston 17h 21m stop 7:00 am — 10:30 am B6497 JetBlue Boston — Seattle	25h 30m including layover	Find flight from$174
12:00 pm — 10:25 pm	12:00 pm — 1:39 pm DL5812 Delta Air Lines Inc. Washington D.C. — Boston 5h 1m stop 6:40 pm — 10:25 pm DL324 Delta Air Lines Inc. Boston — Seattle	13h 25m including layover	Find flight from$268
1:44 pm — 10:30 am +1 day	1:44 pm — 3:25 pm DL5712 Delta Air Lines Inc. Washington D.C. — Boston 15h 35m stop 7:00 am — 10:30 am B6497 JetBlue Boston — Seattle	23h 46m including layover	Find flight from$174
3:25 pm — 10:30 am +1 day	3:25 pm — 5:06 pm DL5600 Delta Air Lines Inc. Washington D.C. — Boston 13h 54m stop 7:00 am — 10:30 am B6497 JetBlue Boston — Seattle	22h 5m including layover	Find flight from$174
4:10 pm — 0:16 am +1 day	4:10 pm — 6:09 pm DL1020 Delta Air Lines Inc. Washington D.C. — Atlanta 3h 26m stop 9:35 pm — 0:16 am DL727 Delta Air Lines Inc. Atlanta — Seattle	11h 6m including layover	Find flight from$331
5:10 pm — 0:15 am +1 day	5:10 pm — 8:14 pm DL820 Delta Air Lines Inc. Washington D.C. — Salt Lake City 2h 31m stop 10:45 pm — 0:15 am DL2998 Delta Air Lines Inc. Salt Lake City — Seattle	10h 5m including layover	Find flight from$331
5:35 pm — 10:24 pm	5:35 pm — 7:14 pm DL1454 Delta Air Lines Inc. Washington D.C. — Detroit 46m stop 8:00 pm — 10:24 pm DL565 Delta Air Lines Inc. Detroit — Seattle	7h 49m including layover	Find flight from$331
6:22 pm — 10:30 am +1 day	6:22 pm — 8:14 pm DL5776 Delta Air Lines Inc. Washington D.C. — Boston 10h 46m stop 7:00 am — 10:30 am B6497 JetBlue Boston — Seattle	19h 8m including layover	Find flight from$174
6:59 am — 10:30 am +1 day	6:59 am — 8:40 am DL5698 Delta Air Lines Inc. Washington D.C. — Boston 22h 20m stop 7:00 am — 10:30 am B6497 JetBlue Boston — Seattle	30h 31m including layover	Find flight from$174
7:21 pm — 10:30 am +1 day	7:21 pm — 9:08 pm DL5814 Delta Air Lines Inc. Washington D.C. — Boston 9h 52m stop 7:00 am — 10:30 am B6497 JetBlue Boston — Seattle	18h 9m including layover	Find flight from$174
8:55 am — 10:30 am +1 day	8:55 am — 10:38 am DL5687 Delta Air Lines Inc. Washington D.C. — Boston 20h 22m stop 7:00 am — 10:30 am B6497 JetBlue Boston — Seattle	28h 35m including layover	Find flight from$174
8:55 am — 10:25 pm	8:55 am — 10:38 am DL5687 Delta Air Lines Inc. Washington D.C. — Boston 8h 2m stop 6:40 pm — 10:25 pm DL324 Delta Air Lines Inc. Boston — Seattle	16h 30m including layover	Find flight from$268
9:00 am — 3:04 pm	9:00 am — 11:02 am DL455 Delta Air Lines Inc. Washington D.C. — Atlanta 1h 13m stop 12:15 pm — 3:04 pm DL629 Delta Air Lines Inc. Atlanta — Seattle	9h 4m including layover	Find flight from$329
9:49 am — 2:45 pm	9:49 am — 11:30 am DL1558 Delta Air Lines Inc. Washington D.C. — Detroit 1h stop 12:30 pm — 2:45 pm DL728 Delta Air Lines Inc. Detroit — Seattle	7h 56m including layover	Find flight from$329
10:05 am — 7:15 am +1 day	10:05 am — 11:54 am DL1444 Delta Air Lines Inc. Washington D.C. — Atlanta 45m stop 12:39 pm — 1:54 pm DL706 Delta Air Lines Inc. Atlanta — Denver 15h 10m stop 5:04 am — 7:15 am F91175 Frontier Airlines Denver — Seattle	24h 10m including layover	Find flight from$201
11:47 am — 7:15 am +1 day	11:47 am — 1:37 pm DL2337 Delta Air Lines Inc. Washington D.C. — Minneapolis 1h 24m stop 3:01 pm — 4:12 pm DL1025 Delta Air Lines Inc. Minneapolis — Denver 12h 52m stop 5:04 am — 7:15 am F91175 Frontier Airlines Denver — Seattle	22h 28m including layover	Find flight from$238
1:35 pm — 7:15 am +1 day	1:35 pm — 3:20 pm DL2500 Delta Air Lines Inc. Washington D.C. — Detroit 1h 1m stop 4:21 pm — 5:37 pm DL2431 Delta Air Lines Inc. Detroit — Denver 11h 27m stop 5:04 am — 7:15 am F91175 Frontier Airlines Denver — Seattle	20h 40m including layover	Find flight from$201
3:31 pm — 7:15 am +1 day	3:31 pm — 5:30 pm DL719 Delta Air Lines Inc. Washington D.C. — Atlanta 1h 15m stop 6:45 pm — 8:05 pm DL746 Delta Air Lines Inc. Atlanta — Denver 8h 59m stop 5:04 am — 7:15 am F91175 Frontier Airlines Denver — Seattle	18h 44m including layover	Find flight from$201
4:10 pm — 7:15 am +1 day	4:10 pm — 6:09 pm DL1020 Delta Air Lines Inc. Washington D.C. — Atlanta 36m stop 6:45 pm — 8:05 pm DL746 Delta Air Lines Inc. Atlanta — Denver 8h 59m stop 5:04 am — 7:15 am F91175 Frontier Airlines Denver — Seattle	18h 5m including layover	Find flight from$238

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

*Departure and arrival times are local. Last updated on 01/07/2025

Flight Information

There are 2 flights by Delta Air Lines Inc. from Washington D.C. to Seattle every week with departures from Ronald Reagan and Dulles International. All flights arrive at Seattle-Tacoma Intl, Boeing Field International Airport, Kenmore Air Harbor SPB.

Departures start from 10:00 pm to 9:49 am. Nonstop flight is 6h 13m. The time difference between Washington D.C. and Seattle is 3h.

The fastest flight 6h 13m
Average flight time 6h 13m
The earliest flight 10:00 pm
The latest flight 9:49 am
Distance 2321 ml

The cheapest months for traveling to Seattle are november (from 174 $).

The cheapest flight by Delta Air Lines Inc. that our users were able to find is $174. This airfare is economy class on one-way DL5600 flight for November 12, 2024 leaving Ronald Reagan in Washington D.C. at 3:25 pm, it includes all taxes and additional fees.

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Delta Air Lines Inc. Airplanes on the Route

List of the most popular Delta Air Lines Inc. airplanes flying from Washington D.C. to Seattle:

Embraer 175 (short wing)

from $174

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Airbus A319

from $201

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Boeing 737-800

from $201

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Airbus A321

from $201

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Airbus A320

from $201

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Canadair Regional Jet 900

from $228

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Boeing 737-900

from $331

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Embraer 175

from $336

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Boeing 737

from $458

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Other Popular Airlines on the Route

Besides Delta Air Lines Inc. there are other 3 airline carriers between Washington D.C. and Seattle. Please review schedules and prices from the most popular airlines to find the best airfare deals from Washington D.C. to Seattle.

Nonstop flights

There are 7 direct flights every day from Washington D.C.. Airlines and fares are below:

AS - Alaska Airlines

from $147

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UA - United Airlines

from $175

Find

See more direct flights

Connecting Flights

List of flights with layovers (1 and more stops):

AS - Alaska Airlines

from $190

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UA - United Airlines

from $185

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TK - Turkish Airlines

from $1964

Find

See more connecting flights

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