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
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Fri
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Sun
Limited Availability
15% of dates checked are available within 10% of the lowest price
Monday, August 31st, 2026
Outbound Flights
8h 37m·1 stop
$163 USD
DCAAug 31 10:30
→ORDAug 31 11:46
UA 2774Boeing 737
1h 44m layover
ORDAug 31 13:30
→SEAAug 31 16:07
UA 2483Boeing 737
8h 7m·1 stop
$163 USDDCAAug 31 14:00
→ORDAug 31 15:16
UA 1888Boeing 737
1h 4m layover
ORDAug 31 16:20
→SEAAug 31 19:07
UA 1049Airbus A321neo
8h 33m·1 stop
$163 USDDCAAug 31 17:10
→ORDAug 31 18:33
UA 654Boeing 737
1h 26m layover
ORDAug 31 19:59
→SEAAug 31 22:43
UA 2211Boeing 737MAX 9 Passenger
9h 58m·1 stop
$163 USDDCAAug 31 14:40
→IAHAug 31 17:17
UA 4055Embraer 175
1h 28m layover
IAHAug 31 18:45
→SEAAug 31 21:38
UA 2341Airbus A319
9h 36m·1 stop
$211 USDDCAAug 31 07:48
→SFOAug 31 10:45
UA 369Boeing 737MAX 8 Passenger
1h 20m layover
SFOAug 31 12:05
→SEAAug 31 14:24
UA 2744Boeing 737
9h 32m·1 stop
$211 USDDCAAug 31 08:20
→IAHAug 31 10:38
UA 697Airbus A319
1h 26m layover
IAHAug 31 12:04
→SEAAug 31 14:52
UA 2228Boeing 737MAX 8 Passenger
8h 2m·1 stop
$212 USDDCAAug 31 06:30
→ORDAug 31 07:44
UA 1793Boeing 737MAX 8 Passenger
1h 6m layover
ORDAug 31 08:50
→SEAAug 31 11:32
UA 2099Airbus A321neo
16h 25m·1 stop
$230 USDDCAAug 31 20:10
→ORDAug 31 21:30
UA 2218Airbus A319
9h 30m layover·Overnight
ORDSep 1 07:00
→SEASep 1 09:35
UA 341Boeing 737