Flights from Seattle to Washington DC

Search and find cheap flights from Seattle to Washington DC (United States, North America)
Search and find cheap flights from Seattle to Washington DC (United States, North America)

Looking for the best tickets for Seattle to Washington DC?

Look no more. We’ve gone through the latest 2,650,008 fares to bring you all the insights you could possibly want.
Expect to pay
257 USD for flights from Seattle to Washington DC leaving on 10/31/2017 and returning on 12/1/2017
Low 129 USD
257 USD
High 868 USD
Choose my own dates
Best time to book
Cheapest time to buy a ticket for Seattle — Washington DC is approximately 56 days to departure.
Normally the best deals on Seattle to Washington DC flights are available 2 to 4 months prior to departure.
Days before departure
Best month
Cheapest time of year to fly to Washington DC from Seattle is February and September. Most expensive are July and December.
Seattle to Washington DC flights are currently cheapest between October and December.
Impact on price
Cheapest airline
According to our data, Sun Country Airlines, Spirit Airlines and Frontier Airlines are the cheapest airlines to fly this route.
momondo users most frequently choose to fly from Seattle to Washington DC with either Sun Country Airlines, Spirit Airlines or Frontier Airlines.
Impact on price (additional fees may apply)
Sun Country Airlines
+1%
Spirit Airlines
+1%
Frontier Airlines
+4%
Delta Air Lines
+9%
Major US Carrier
+11%
United Airlines
+18%
Best time to fly
Seattle to Washington DC flights are approximately 8% more expensive in the noon than in the afternoon.
Noon flights tend to be the most expensive.
Impact on price
Cheapest day
Sunday is normally the most expensive day to fly, whilst Tuesday tends to be the cheapest.
Cheapest day of week is typically Tuesday and the most expensive is typically Sunday.
Impact on price
Cheapest route
Fly Seattle Tacoma - Baltimore for the best Seattle to Washington DC flight prices saving up to 1% on average.
Seattle Tacoma - Baltimore tends to be 1% cheaper than Seattle Tacoma - Dulles Intl.
momondo compares flights to Washington DC from Seattle from 50 different sites.
Impact on price
Seattle Tacoma-Baltimore
+0%
Seattle Tacoma-R Reagan Nat
+3%
Seattle Tacoma-Dulles Intl
+5%
Direct flights
There are direct flights from Seattle Tacoma to Washington DC all week with a flight time of 4 hours 49 minutes.
Direct flights available: 109 PER WEEK
Popular non-direct routes for this connection are Seattle Tacoma - Raleigh Durham - Baltimore, Seattle Tacoma - Lambert - R Reagan Nat and Seattle Tacoma - Detroit Metro - R Reagan Nat.
Stop-off cities for indirect flights from Seattle Tacoma to Washington DC include Raleigh Durham, Lambert and Detroit Metro.
Direct flights available on
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday

Get there quickly

Direct flights to Washington DC from Seattle
Return trip
Sep 1 - Sep 3
268 USD
Smartfares
SEA SEA
5h 9min
Direct
WAS WAS
WAS WAS
5h 40min
Direct
SEA SEA
Return trip
Aug 25 - Sep 8
299 USD
CFFlyFarUS
SEA SEA
5h 9min
Direct
WAS WAS
WAS WAS
5h 52min
Direct
SEA SEA
Return trip
Aug 25 - Aug 28
323 USD
FaregeekUSDOM
SEA SEA
5h 9min
Direct
WAS WAS
WAS WAS
5h 40min
Direct
SEA SEA

Go right away

Last minute flights from Seattle to Washington DC
Return trip
Aug 23 - Aug 25
322 USD
FlightNetworkUS
SEA SEA
9h 36min
1 stop
WAS WAS
WAS WAS
18h 17min
1 stop
SEA SEA
Return trip
Aug 23 - Aug 28
326 USD
ExploreTripDom
SEA SEA
6h 57min
1 stop
WAS WAS
WAS WAS
23h 42min
1 stop
SEA SEA
Return trip
Aug 22 - Aug 25
435 USD
VayamaDom
SEA SEA
7h 23min
1 stop
WAS WAS
WAS WAS
8h 55min
1 stop
SEA SEA

Go for less - experience more

Cheap flights from Seattle to Washington DC
Return trip
Sep 6 - Sep 27
180 USD
CFFlyFarUS
SEA SEA
5h 9min
Direct
WAS WAS
WAS WAS
5h 52min
Direct
SEA SEA
Return trip
Sep 6 - Sep 9
193 USD
FlyFarUS
SEA SEA
5h 9min
Direct
WAS WAS
WAS WAS
5h 52min
Direct
SEA SEA
Return trip
Sep 6 - Sep 11
247 USD
Smartfares
SEA SEA
14h 40min
1 stop
WAS WAS
WAS WAS
11h 22min
1 stop
SEA SEA

Coming or going?

Cheap flights from Washington DC to Seattle
Return trip
Aug 21 - Aug 29
246 USD
Smartfares
WAS WAS
18h 17min
1 stop
SEA SEA
SEA SEA
7h 18min
1 stop
WAS WAS
Return trip
Aug 21 - Aug 24
314 USD
ExploreTripDom
WAS WAS
5h 40min
Direct
SEA SEA
SEA SEA
7h 18min
1 stop
WAS WAS
Return trip
Aug 21 - Aug 23
336 USD
FlyFarUS
WAS WAS
18h 17min
1 stop
SEA SEA
SEA SEA
7h 33min
1 stop
WAS WAS

Weather forecast for Washington DC

Going soon? Be prepared for the weather in Washington DC.

Thursday, Thursday, August 17, 2017

33°C
21°C

Friday, Friday, August 18, 2017

34°C
21°C

Saturday, Saturday, August 19, 2017

34°C
23°C

Sunday, Sunday, August 20, 2017

34°C
23°C

Monday, Monday, August 21, 2017

35°C
24°C

Tuesday, Tuesday, August 22, 2017

36°C
24°C

Wednesday, Wednesday, August 23, 2017

32°C
22°C
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