Washington (IAD) to Seattle / Tacoma (SEA) flight deal in economy from $209
IADWashington Dulles International Airport
Washington, United States
SEASeattle–Tacoma International Airport
Seattle / Tacoma, United States
$272 USD
-23%$209 USD
Verified 28 days agoJanuary 2027
Mon
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Fair Availability
38% of dates checked are available within 10% of the lowest price
Saturday, January 23rd, 2027
Outbound Flights
6h 7m·Nonstop
$209 USD
IADJan 23 17:55
→SEAJan 23 21:02
UA 1128Boeing 737MAX 9 Passenger
9h 22m·1 stop
$219 USDIADJan 23 06:00
→SFOJan 23 09:15
UA 1095Boeing 737MAX 9 Passenger
50m layover
SFOJan 23 10:05
→SEAJan 23 12:22
UA 2192Airbus A320
10h 56m·1 stop
$219 USDIADJan 23 08:22
→LAXJan 23 11:19
UA 1734Boeing 757
1h 51m layover
LAXJan 23 13:10
→SEAJan 23 16:18
UA 6043Embraer 175
10h 11m·1 stop
$219 USDIADJan 23 09:27
→SFOJan 23 12:37
UA 1773Boeing 737MAX 9 Passenger
1h 49m layover
SFOJan 23 14:26
→SEAJan 23 16:38
UA 433Boeing 737MAX 9 Passenger
9h 32m·1 stop
$219 USDIADJan 23 12:35
→SFOJan 23 15:42
UA 1434Boeing 737MAX 9 Passenger
1h 13m layover
SFOJan 23 16:55
→SEAJan 23 19:07
UA 2323Airbus A319
9h 11m·1 stop
$313 USDIADJan 23 08:15
→SFOJan 23 11:24
UA 1147Boeing 757
51m layover
SFOJan 23 12:15
→SEAJan 23 14:26
UA 1264Airbus A320
8h 29m·1 stop
$355 USDIADJan 23 12:43
→DENJan 23 14:55
UA 1587Airbus A321neo
1h 15m layover
DENJan 23 16:10
→SEAJan 23 18:12
UA 2013Boeing 737
8h 36m·1 stop
$366 USDIADJan 23 08:15
→DENJan 23 10:27
UA 792Airbus A321neo
1h 18m layover
DENJan 23 11:45
→SEAJan 23 13:51
UA 2302Airbus A321neo