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 agoJuly 2026
Mon
Tue
Wed
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Sun
Limited Availability
15% of dates checked are available within 10% of the lowest price
Tuesday, July 28th, 2026
Outbound Flights
13h 44m·1 stop
$317 USD
DCAJul 28 13:00
→EWRJul 28 14:22
UA 4442Bombardier Regional Jet 550
6h 8m layover
EWRJul 28 20:30
→SEAJul 28 23:44
UA 1796Boeing 737MAX 8 Passenger
8h 39m·1 stop
$329 USDDCAJul 28 10:30
→ORDJul 28 11:48
UA 2201Airbus A320
1h 42m layover
ORDJul 28 13:30
→SEAJul 28 16:09
UA 1660Boeing 737MAX 9 Passenger
8h 6m·1 stop
$329 USDDCAJul 28 14:00
→ORDJul 28 15:18
UA 1888Boeing 737
1h 2m layover
ORDJul 28 16:20
→SEAJul 28 19:06
UA 1801Airbus A321neo
9h 23m·1 stop
$329 USDDCAJul 28 14:55
→IAHJul 28 17:14
UA 1381Boeing 737
1h 16m layover
IAHJul 28 18:30
→SEAJul 28 21:18
UA 692Boeing 737
8h 51m·1 stop
$329 USDDCAJul 28 17:05
→ORDJul 28 18:30
UA 654Boeing 737
1h 35m layover
ORDJul 28 20:05
→SEAJul 28 22:56
UA 2820Boeing 737MAX 8 Passenger
9h 47m·1 stop
$329 USDDCAJul 28 06:00
→IAHJul 28 08:13
UA 1450Boeing 737MAX 8 Passenger
1h 47m layover
IAHJul 28 10:00
→SEAJul 28 12:47
UA 2205Boeing 737
8h 8m·1 stop
$382 USDDCAJul 28 06:30
→ORDJul 28 07:46
UA 1793Boeing 737
59m layover
ORDJul 28 08:45
→SEAJul 28 11:38
UA 2099Airbus A321neo
10h 14m·1 stop
$490 USDDCAJul 28 17:59
→SFOJul 28 20:55
UA 368Boeing 737MAX 8 Passenger
2h 4m layover
SFOJul 28 22:59
→SEAJul 29 01:13
UA 1389Airbus A319