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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Limited Availability
15% of dates checked are available within 10% of the lowest price
Wednesday, August 5th, 2026
Outbound Flights
8h 8m·1 stop
$334 USD
DCAAug 5 06:30
→ORDAug 5 07:46
UA 1793Boeing 737
59m layover
ORDAug 5 08:45
→SEAAug 5 11:38
UA 2099Airbus A321neo
8h 39m·1 stop
$334 USDDCAAug 5 10:30
→ORDAug 5 11:48
UA 2201Airbus A320
1h 42m layover
ORDAug 5 13:30
→SEAAug 5 16:09
UA 1660Boeing 737MAX 9 Passenger
8h 6m·1 stop
$334 USDDCAAug 5 14:00
→ORDAug 5 15:19
UA 1888Airbus A320
1h 1m layover
ORDAug 5 16:20
→SEAAug 5 19:06
UA 1801Airbus A321neo
9h 23m·1 stop
$334 USDDCAAug 5 14:55
→IAHAug 5 17:14
UA 1381Boeing 737
1h 16m layover
IAHAug 5 18:30
→SEAAug 5 21:18
UA 692Boeing 737
8h 6m·1 stop
$334 USDDCAAug 5 18:10
→ORDAug 5 19:32
UA 2148Airbus A319
53m layover
ORDAug 5 20:25
→SEAAug 5 23:16
UA 2820Boeing 737MAX 8 Passenger
16h 40m·1 stop
$440 USDDCAAug 5 20:00
→ORDAug 5 21:35
UA 5450Embraer 175
9h 25m layover·Overnight
ORDAug 6 07:00
→SEAAug 6 09:40
UA 341Airbus A321neo
18h 32m·1 stop
$667 USDDCAAug 5 20:25
→EWRAug 5 21:58
UA 4174Bombardier Regional Jet 550
10h 52m layover·Overnight
EWRAug 6 08:50
→SEAAug 6 11:57
UA 1330Boeing 737MAX 8 Passenger