Washington (DCA) to Seattle / Tacoma (SEA) flight deal in economy from $158
DCARonald Reagan Washington National Airport
Washington, United States
SEASeattle–Tacoma International Airport
Seattle / Tacoma, United States
$250 USD
-37%$158 USD
Verified 13 days agoAugust 2026
Mon
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Limited Availability
15% of dates checked are available within 10% of the lowest price
Monday, August 17th, 2026
Outbound Flights
9h 48m·1 stop
$158 USD
DCAAug 17 06:00
→IAHAug 17 08:19
UA 1450Boeing 737MAX 8 Passenger
1h 38m layover
IAHAug 17 09:57
→SEAAug 17 12:48
UA 2205Boeing 737MAX 9 Passenger
8h 7m·1 stop
$180 USDDCAAug 17 14:00
→ORDAug 17 15:16
UA 1888Boeing 737
1h 4m layover
ORDAug 17 16:20
→SEAAug 17 19:07
UA 1049Airbus A321neo
8h 33m·1 stop
$180 USDDCAAug 17 17:10
→ORDAug 17 18:33
UA 654Boeing 737
1h 26m layover
ORDAug 17 19:59
→SEAAug 17 22:43
UA 2211Boeing 737MAX 9 Passenger
9h 32m·1 stop
$222 USDDCAAug 17 08:20
→IAHAug 17 10:38
UA 697Airbus A319
1h 26m layover
IAHAug 17 12:04
→SEAAug 17 14:52
UA 2228Boeing 737MAX 8 Passenger
8h 37m·1 stop
$224 USDDCAAug 17 10:30
→ORDAug 17 11:46
UA 2774Boeing 737
1h 44m layover
ORDAug 17 13:30
→SEAAug 17 16:07
UA 2483Boeing 737
16h 25m·1 stop
$267 USDDCAAug 17 20:10
→ORDAug 17 21:30
UA 2218Airbus A319
9h 30m layover·Overnight
ORDAug 18 07:00
→SEAAug 18 09:35
UA 341Boeing 737
8h 2m·1 stop
$273 USDDCAAug 17 06:30
→ORDAug 17 07:44
UA 1793Boeing 737MAX 8 Passenger
1h 6m layover
ORDAug 17 08:50
→SEAAug 17 11:32
UA 2099Airbus A321neo
9h 36m·1 stop
$366 USDDCAAug 17 07:48
→SFOAug 17 10:45
UA 369Boeing 737MAX 8 Passenger
1h 20m layover
SFOAug 17 12:05
→SEAAug 17 14:24
UA 2744Boeing 737