Cheap Flights from Seattle-Tacoma International Airport to Washington D.C.
Search for flights from Seattle-Tacoma International Airport to Washington D.C. and check out affordable one-way and round-trip options.
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SEA21:4921h 10m1 stopDCA21:59Seattle - Washington D.C.|Thu, May 23|Frontier AirlinesS$ 72S$ 17057% OFF57% OFFS$ 170S$ 72- SEA17:0225h 57m1 stopDCA21:59Seattle - Washington D.C.|Mon, May 6|Frontier AirlinesS$ 72S$ 17057% OFF57% OFFS$ 170S$ 72
- SEA21:3211h 28m1 stopDCA12:00Seattle - Washington D.C.|Sat, May 11|Frontier AirlinesS$ 72S$ 17057% OFF57% OFFS$ 170S$ 72
- SEA17:0225h 57m1 stopDCA21:59Seattle - Washington D.C.|Mon, May 13|Frontier AirlinesS$ 72S$ 72
- SEA22:2420h 35m1 stopDCA21:59Seattle - Washington D.C.|Fri, May 17|Frontier AirlinesS$ 83S$ 83
- SEA22:0410h 56m1 stopDCA12:00Seattle - Washington D.C.|Thu, May 2|Frontier AirlinesS$ 96S$ 96
- SEA20:1412h 49m1 stopDCA12:03Seattle - Washington D.C.|Tue, May 21|Frontier AirlinesS$ 96S$ 96
- SEA21:5021h 9m1 stopDCA21:59Seattle - Washington D.C.|Wed, May 15|Frontier AirlinesS$ 113S$ 113
- SEA09:4023h 23m1 stopDCA12:03Seattle - Washington D.C.|Mon, May 20|Frontier AirlinesS$ 115S$ 115
- SEA22:3010h 30m1 stopDCA12:00Seattle - Washington D.C.|Sun, May 5|Frontier AirlinesS$ 128S$ 128
SEA13:003h 5mDirectWAS14:00Seattle - Washington D.C.|Thu, May 9|Frontier AirlinesFind More FlightsFind More Flights
Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
See which airlines fly from Seattle-Tacoma International Airport to Washington D.C.. Find the airline that best meets your travel needs by comparing prices and treat yourself to an enjoyable journey.
Airports in Washington D.C.
Learn about different airports in Washington D.C., find the best flight and transfer options, and plan your journey.
- 3.44 km from central Washington D.C.CheapestClosestRonald Reagan Washington National AirportTickets FromS$ 72
- 36.68 km from central Washington D.C.Dulles International AirportTickets FromS$ 393
Check the schedule for flights from Seattle-Tacoma International Airport to Washington D.C. and find the flight that best matches your travel plans.
AS1180
Alaska Airlines
05:45
SEA
08:36
SAN
SMTWTFSAS322
Alaska Airlines
10:35
SAN
18:36
IAD
SMTWTFSAS682
Alaska Airlines
06:00
SEA
09:44
DEN
SMTWTFSF9690
Frontier Airlines
16:27
DEN
21:59
DCA
-M----SAS682
Alaska Airlines
06:00
SEA
09:44
DEN
SMTWTFSF93862
Frontier Airlines
12:39
DEN
18:01
DCA
-MT--F-AS406
Alaska Airlines
09:36
SEA
17:37
IAD
SMTWTFSAS348
Alaska Airlines
16:10
SEA
23:59
IAD
SMTWTFSF92150
Frontier Airlines
21:35
SEA
01:25
DEN
-M-----F9686
Frontier Airlines
06:39
DEN
12:09
DCA
SMTWTFSAA2107
American Airlines
21:48
SEA
05:49
CLT
SMTWTFSAA5132
American Airlines
07:20
CLT
08:54
IAD
S--WTFSF91176
Frontier Airlines
22:08
SEA
01:51
DEN
S---T--F9686
Frontier Airlines
06:39
DEN
12:09
DCA
SMTWTFSDL719
Delta Air Lines
22:22
SEA
06:26
IAD
SMTWT-SAA2361
American Airlines
23:40
SEA
07:38
PHL
SMTWTFSAA4541
American Airlines
10:47
PHL
11:56
DCA
SMTWT--
Flight Info of Flights from Seattle-Tacoma International Airport to Washington D.C.
Cheapest return ticket price | S$ 253 |
|---|---|
Cheapest direct flight price | S$ 71 |
Cheapest month | May |
Peak season for travel | July |
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