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
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Sun
Limited Availability
15% of dates checked are available within 10% of the lowest price
Wednesday, July 29th, 2026
Outbound Flights
13h 44m·1 stop
$267 USD
DCAJul 29 13:00
→EWRJul 29 14:22
UA 4442Bombardier Regional Jet 550
6h 8m layover
EWRJul 29 20:30
→SEAJul 29 23:44
UA 1796Boeing 737MAX 8 Passenger
11h 36m·1 stop
$317 USDDCAJul 29 11:00
→EWRJul 29 12:22
UA 4508Bombardier Regional Jet 550
4h 3m layover
EWRJul 29 16:25
→SEAJul 29 19:36
UA 2387Boeing 737MAX 9 Passenger
8h 8m·1 stop
$329 USDDCAJul 29 06:30
→ORDJul 29 07:46
UA 1793Boeing 737
59m layover
ORDJul 29 08:45
→SEAJul 29 11:38
UA 2099Airbus A321neo
8h 46m·1 stop
$329 USDDCAJul 29 08:30
→EWRJul 29 09:52
UA 4430Bombardier Regional Jet 550
1h 13m layover
EWRJul 29 11:05
→SEAJul 29 14:16
UA 1289Boeing 737
8h 39m·1 stop
$329 USDDCAJul 29 10:30
→ORDJul 29 11:48
UA 2201Airbus A320
1h 42m layover
ORDJul 29 13:30
→SEAJul 29 16:09
UA 1660Boeing 737MAX 9 Passenger
8h 6m·1 stop
$329 USDDCAJul 29 14:00
→ORDJul 29 15:19
UA 1888Airbus A320
1h 1m layover
ORDJul 29 16:20
→SEAJul 29 19:06
UA 1801Airbus A321neo
8h 6m·1 stop
$329 USDDCAJul 29 18:10
→ORDJul 29 19:32
UA 2148Airbus A319
53m layover
ORDJul 29 20:25
→SEAJul 29 23:16
UA 2820Boeing 737MAX 8 Passenger
9h 23m·1 stop
$359 USDDCAJul 29 14:55
→IAHJul 29 17:14
UA 1381Boeing 737
1h 16m layover
IAHJul 29 18:30
→SEAJul 29 21:18
UA 692Boeing 737