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
Monday, August 10th, 2026
Outbound Flights
9h 13m·1 stop
$158 USD
DCAAug 10 12:59
→IAHAug 10 15:18
UA 382Boeing 737
1h 7m layover
IAHAug 10 16:25
→SEAAug 10 19:12
UA 2638Boeing 737
8h 51m·1 stop
$158 USDDCAAug 10 17:05
→ORDAug 10 18:30
UA 654Boeing 737
1h 35m layover
ORDAug 10 20:05
→SEAAug 10 22:56
UA 2820Boeing 737MAX 8 Passenger
9h 23m·1 stop
$180 USDDCAAug 10 14:55
→IAHAug 10 17:14
UA 1381Boeing 737
1h 16m layover
IAHAug 10 18:30
→SEAAug 10 21:18
UA 692Boeing 737
8h 6m·1 stop
$183 USDDCAAug 10 14:00
→ORDAug 10 15:18
UA 1888Boeing 737
1h 2m layover
ORDAug 10 16:20
→SEAAug 10 19:06
UA 1801Airbus A321neo
8h 39m·1 stop
$276 USDDCAAug 10 10:30
→ORDAug 10 11:48
UA 2201Airbus A320
1h 42m layover
ORDAug 10 13:30
→SEAAug 10 16:09
UA 1660Boeing 737MAX 9 Passenger
9h 47m·1 stop
$278 USDDCAAug 10 06:00
→IAHAug 10 08:13
UA 1450Boeing 737MAX 8 Passenger
1h 47m layover
IAHAug 10 10:00
→SEAAug 10 12:47
UA 2205Boeing 737
8h 8m·1 stop
$280 USDDCAAug 10 06:30
→ORDAug 10 07:46
UA 1793Boeing 737
59m layover
ORDAug 10 08:45
→SEAAug 10 11:38
UA 2099Airbus A321neo
8h 46m·1 stop
$313 USDDCAAug 10 08:30
→EWRAug 10 09:52
UA 4430Bombardier Regional Jet 550
1h 13m layover
EWRAug 10 11:05
→SEAAug 10 14:16
UA 1289Boeing 737MAX 9 Passenger