Cheap Flights from Seattle-Tacoma International Airport to Dulles International Airport
Search for flights from Seattle to Washington D.C.. Find affordable one-way or round-trip flights.
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- SEA18:1514h 52m1 stopIAD12:07Seattle - Washington D.C.|Sat, May 11|Sun Country AirlinesUS$120US$15824% OFF24% OFFUS$158US$120
- SEA16:034h 56mDirectIAD23:59Seattle - Washington D.C.|Thu, May 2|Alaska AirlinesUS$123US$15822% OFF22% OFFUS$158US$123
- SEA23:285h 12mDirectIAD07:40Seattle - Washington D.C.|Tue, May 21|Alaska AirlinesUS$123US$15822% OFF22% OFFUS$158US$123
- SEA16:034h 56mDirectIAD23:59Seattle - Washington D.C.|Mon, May 6|Alaska AirlinesUS$129US$129
- SEA06:008h 57m1 stopIAD17:57Seattle - Washington D.C.|Sun, May 5|Alaska AirlinesUS$131US$131
- SEA16:004h 59mDirectIAD23:59Seattle - Washington D.C.|Wed, Jun 5|Alaska AirlinesUS$132US$132
- SEA23:285h 12mDirectIAD07:40Seattle - Washington D.C.|Tue, May 28|Alaska AirlinesUS$132US$132
- SEA16:034h 56mDirectIAD23:59Seattle - Washington D.C.|Fri, May 10|Alaska AirlinesUS$132US$132
- SEA23:285h 12mDirectIAD07:40Seattle - Washington D.C.|Thu, May 23|Alaska AirlinesUS$132US$132
- SEA09:005h 8mDirectIAD17:08Seattle - Washington D.C.|Wed, May 29|Alaska AirlinesUS$133US$133
- SEA13:003h 5mDirectIAD14:00Seattle - Washington D.C.|Wed, May 8|Sun Country AirlinesFind More FlightsFind More Flights
Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
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- CheapestSEA21:4921h 10m1 transferDCA21:59Seattle-Tacoma International Airport - Ronald Reagan Washington National AirportThu, May 23Frontier AirlinesUS$52
- SEA21:4921h 10m1 transferDCA21:59Seattle-Tacoma International Airport - Ronald Reagan Washington National AirportThu, May 23Frontier AirlinesUS$52Find More Flights
Check on the flight schedule from Seattle to Washington D.C. to find the flight that matches your travel plan.
AS1180
Alaska Airlines
05:45
SEA
08:36
SAN
SMTWTFSAS322
Alaska Airlines
10:35
SAN
18:36
IAD
SMTWTFSAS338
Alaska Airlines
07:03
SEA
15:07
IAD
S--WT-SDL952
Delta Air Lines
08:55
SEA
16:50
IAD
SMTWTFSAS406
Alaska Airlines
09:36
SEA
17:37
IAD
SMTWTFSSY1622
Sun Country Airlines
15:15
SEA
20:37
MSP
-----F-SY223
Sun Country Airlines
07:07
MSP
10:37
IAD
---W--SAS348
Alaska Airlines
16:10
SEA
23:59
IAD
SMTWTFSSY286
Sun Country Airlines
18:15
SEA
23:35
MSP
S-TWT-SSY223
Sun Country Airlines
07:07
MSP
10:37
IAD
---W--SAA2107
American Airlines
21:48
SEA
05:49
CLT
SMTWTFSAA5132
American Airlines
07:20
CLT
08:54
IAD
S--WTFSDL719
Delta Air Lines
22:22
SEA
06:26
IAD
SMTWT-S
Seattle-Tacoma International Airport to Dulles International Airport Flights Info
Flight distance | 3,705.38km |
---|---|
Cheapest one-way ticket price | $120 |
Cheapest return ticket price | $186 |
FAQs for Seattle-Tacoma International Airport to Dulles International Airport Flights
Popular Destinations
Popular Routes at Seattle-Tacoma International Airport
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Recommended Routes at Seattle-Tacoma International Airport
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