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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Sun
Limited Availability
15% of dates checked are available within 10% of the lowest price
Saturday, August 1st, 2026
Outbound Flights
10h 26m·1 stop
$326 USD
DCAAug 1 15:30
→ORDAug 1 16:52
UA 1325Boeing 737
3h 13m layover
ORDAug 1 20:05
→SEAAug 1 22:56
UA 2820Boeing 737MAX 8 Passenger
11h 42m·1 stop
$453 USDDCAAug 1 10:24
→ORDAug 1 11:42
UA 2201Boeing 737
4h 38m layover
ORDAug 1 16:20
→SEAAug 1 19:06
UA 1801Airbus A321neo
8h 1m·1 stop
$479 USDDCAAug 1 14:05
→ORDAug 1 15:23
UA 1888Boeing 737
57m layover
ORDAug 1 16:20
→SEAAug 1 19:06
UA 1801Airbus A321neo
10h 44m·1 stop
$479 USDDCAAug 1 08:25
→ORDAug 1 09:43
UA 1061Boeing 737MAX 8 Passenger
3h 47m layover
ORDAug 1 13:30
→SEAAug 1 16:09
UA 1660Boeing 737
10h 14m·1 stop
$479 USDDCAAug 1 17:59
→SFOAug 1 20:55
UA 368Boeing 737MAX 8 Passenger
2h 4m layover
SFOAug 1 22:59
→SEAAug 2 01:13
UA 1389Airbus A319
8h 53m·1 stop
$527 USDDCAAug 1 17:55
→EWRAug 1 19:28
UA 4180Bombardier Regional Jet 550
1h 2m layover
EWRAug 1 20:30
→SEAAug 1 23:48
UA 1796Airbus A319
8h 45m·1 stop
$547 USDDCAAug 1 10:24
→ORDAug 1 11:42
UA 2201Boeing 737
1h 48m layover
ORDAug 1 13:30
→SEAAug 1 16:09
UA 1660Boeing 737
8h 8m·1 stop
$667 USDDCAAug 1 06:30
→ORDAug 1 07:46
UA 1793Boeing 737
59m layover
ORDAug 1 08:45
→SEAAug 1 11:38
UA 2099Airbus A321neo