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
Sat
Sun
Limited Availability
15% of dates checked are available within 10% of the lowest price
Sunday, August 9th, 2026
Outbound Flights
8h 8m·1 stop
$272 USD
DCAAug 9 06:30
→ORDAug 9 07:46
UA 1793Boeing 737
59m layover
ORDAug 9 08:45
→SEAAug 9 11:38
UA 2099Airbus A321neo
10h 26m·1 stop
$272 USDDCAAug 9 15:30
→ORDAug 9 16:52
UA 1325Boeing 737
3h 13m layover
ORDAug 9 20:05
→SEAAug 9 22:56
UA 2820Boeing 737MAX 8 Passenger
8h 51m·1 stop
$277 USDDCAAug 9 17:05
→ORDAug 9 18:30
UA 654Boeing 737
1h 35m layover
ORDAug 9 20:05
→SEAAug 9 22:56
UA 2820Boeing 737MAX 8 Passenger
8h 39m·1 stop
$316 USDDCAAug 9 10:30
→ORDAug 9 11:48
UA 2201Airbus A320
1h 42m layover
ORDAug 9 13:30
→SEAAug 9 16:09
UA 1660Boeing 737MAX 9 Passenger
9h 23m·1 stop
$316 USDDCAAug 9 14:55
→IAHAug 9 17:14
UA 1381Boeing 737
1h 16m layover
IAHAug 9 18:30
→SEAAug 9 21:18
UA 692Boeing 737
9h 6m·1 stop
$361 USDDCAAug 9 13:00
→ORDAug 9 14:19
UA 511Airbus A319
2h 1m layover
ORDAug 9 16:20
→SEAAug 9 19:06
UA 1801Airbus A321neo
16h 40m·1 stop
$363 USDDCAAug 9 20:00
→ORDAug 9 21:35
UA 5450Embraer 175
9h 25m layover·Overnight
ORDAug 10 07:00
→SEAAug 10 09:40
UA 341Airbus A321neo
10h 16m·1 stop
$527 USDDCAAug 9 17:59
→SFOAug 9 20:55
UA 368Boeing 737MAX 8 Passenger
1h 50m layover
SFOAug 9 22:45
→SEAAug 10 01:15
UA 5579Embraer 175