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
Tue
Wed
Thu
Fri
Sat
Sun
Limited Availability
15% of dates checked are available within 10% of the lowest price
Thursday, August 20th, 2026
Outbound Flights
9h 11m·1 stop
$184 USD
DCAAug 20 12:57
→IAHAug 20 15:17
UA 382Boeing 737
1h 3m layover
IAHAug 20 16:20
→SEAAug 20 19:08
UA 2638Boeing 737
10h 13m·1 stop
$229 USDDCAAug 20 15:30
→ORDAug 20 16:52
UA 1325Boeing 737
3h 7m layover
ORDAug 20 19:59
→SEAAug 20 22:43
UA 2211Boeing 737MAX 9 Passenger
8h 7m·1 stop
$258 USDDCAAug 20 14:00
→ORDAug 20 15:16
UA 1888Boeing 737
1h 4m layover
ORDAug 20 16:20
→SEAAug 20 19:07
UA 1049Airbus A321neo
8h 37m·1 stop
$278 USDDCAAug 20 10:30
→ORDAug 20 11:46
UA 2774Boeing 737
1h 44m layover
ORDAug 20 13:30
→SEAAug 20 16:07
UA 2483Boeing 737
9h 48m·1 stop
$309 USDDCAAug 20 06:00
→IAHAug 20 08:19
UA 1450Boeing 737MAX 8 Passenger
1h 38m layover
IAHAug 20 09:57
→SEAAug 20 12:48
UA 2205Boeing 737MAX 9 Passenger
9h 32m·1 stop
$309 USDDCAAug 20 08:20
→IAHAug 20 10:38
UA 697Airbus A319
1h 26m layover
IAHAug 20 12:04
→SEAAug 20 14:52
UA 2228Boeing 737MAX 8 Passenger
8h 2m·1 stop
$318 USDDCAAug 20 06:30
→ORDAug 20 07:44
UA 1793Boeing 737MAX 8 Passenger
1h 6m layover
ORDAug 20 08:50
→SEAAug 20 11:32
UA 2099Airbus A321neo
8h 33m·1 stop
$319 USDDCAAug 20 17:10
→ORDAug 20 18:33
UA 654Boeing 737
1h 26m layover
ORDAug 20 19:59
→SEAAug 20 22:43
UA 2211Boeing 737MAX 9 Passenger