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Seattle-Tacoma International Airport to Washington D.C. flight
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Cheap Flights from Seattle-Tacoma International Airport to Washington D.C.
Search for flights from Seattle-Tacoma International Airport to Washington D.C.. Find affordable one-way or round-trip flights.
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SEA17:5815h 2m1 stopDCA12:00Seattle - Washington D.C.|Wed, May 1|Frontier AirlinesUS$49US$10453% OFF53% OFFUS$104US$49- SEA21:4921h 10m1 stopDCA21:59Seattle - Washington D.C.|Thu, May 16|Frontier AirlinesUS$52US$10450% OFF50% OFFUS$104US$52
- SEA21:3517h 26m1 stopDCA18:01Seattle - Washington D.C.|Tue, Apr 30|Frontier AirlinesUS$53US$10449% OFF49% OFFUS$104US$53
- SEA21:3211h 28m1 stopDCA12:00Seattle - Washington D.C.|Sat, May 11|Frontier AirlinesUS$53US$53
- SEA22:2420h 35m1 stopDCA21:59Seattle - Washington D.C.|Fri, May 17|Frontier AirlinesUS$61US$61
- SEA08:0410h 55m1 stopDCA21:59Seattle - Washington D.C.|Wed, May 22|Frontier AirlinesUS$80US$80
- SEA21:3511h 25m1 stopDCA12:00Seattle - Washington D.C.|Tue, May 14|Frontier AirlinesUS$80US$80
- SEA21:3211h 28m1 stopDCA12:00Seattle - Washington D.C.|Sat, May 4|Frontier AirlinesUS$82US$82
- SEA21:5021h 9m1 stopDCA21:59Seattle - Washington D.C.|Wed, May 15|Frontier AirlinesUS$83US$83
- SEA22:0810h 55m1 stopDCA12:03Seattle - Washington D.C.|Sat, May 18|Frontier AirlinesUS$83US$83
SEA13:003h 5mDirectWAS14:00Seattle - Washington D.C.|Sat, May 4|Frontier AirlinesFind More FlightsFind More Flights
Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
Selected Airlines from Seattle-Tacoma International Airport to Washington D.C.
View airlines operating flights from Seattle-Tacoma International Airport to Washington D.C.. Compare prices and find the airline that meets your travel needs to enjoy a comfortable journey.
Frontier Airlines
From US$49
Sun Country Airlines
From US$102
Alaska Airlines
From US$107
United Airlines
From US$148
Jetblue Airways
From US$160
Southwest Airlines
From US$205
American Airlines
From US$270
Delta Air Lines
From US$279
ANA airlines
Find more flights and airlines
There are 2 airport(s) in Washington D.C.. Discover the top routes now!
Discover different airports in Washington D.C.. Find the best flight and transfer option, and plan your trip accordingly.
- 3.44 km from downtown Washington D.C.CheapestClosestRonald Reagan Washington National AirportTickets FromUS$49
- 36.68 km from downtown Washington D.C.Dulles International AirportTickets FromUS$102
Flight Schedule from Seattle-Tacoma International Airport to Washington D.C.
Check on the flight schedule from Seattle-Tacoma International Airport to Washington D.C.. Find the flight that matches your travel plan.
Flight info.
Departure
Arrival
Weekly Schedule
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-AS348
Alaska Airlines
16:10
SEA
23:59
IAD
SMTWTFSAS642
Alaska Airlines
20:18
SEA
23:58
DEN
SMTWTFSF9686
Frontier Airlines
06:39
DEN
12:09
DCA
SMTWTFSF92150
Frontier Airlines
21:35
SEA
01:25
DEN
-M-----F9686
Frontier Airlines
06:39
DEN
12:09
DCA
SMTWTFSF91176
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-SAA2368
American Airlines
22:52
SEA
05:00
ORD
S-TWTFSAA1187
American Airlines
12:01
ORD
14:46
DCA
SMTWTFSAA2361
American Airlines
23:40
SEA
07:38
PHL
SMTWTFSAA4541
American Airlines
10:35
PHL
11:43
DCA
SMTWT--
Flight Info of Flights from Seattle-Tacoma International Airport to Washington D.C.
Cheapest round-trip ticket price | $170 |
|---|---|
Cheapest nonstop flight price | $48 |
Off-season for travel | May |
Peak season for travel | October |
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