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 agoNovember 2026
Mon
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Fair Availability
38% of dates checked are available within 10% of the lowest price
Saturday, November 14th, 2026
Outbound Flights
6h 6m·Nonstop
$209 USD
IADNov 14 17:50
→SEANov 14 20:56
UA 1128Boeing 737MAX 8 Passenger
8h 19m·1 stop
$219 USDIADNov 14 12:40
→DENNov 14 14:48
UA 1587Airbus A321neo
1h 7m layover
DENNov 14 15:55
→SEANov 14 17:59
UA 2013Boeing 737
8h 46m·1 stop
$219 USDIADNov 14 13:17
→ORDNov 14 14:40
UA 2331Boeing 737
1h 35m layover
ORDNov 14 16:15
→SEANov 14 19:03
UA 1801Airbus A321neo
9h 8m·1 stop
$219 USDIADNov 14 06:11
→ORDNov 14 07:30
UA 565Airbus A321neo
1h 55m layover
ORDNov 14 09:25
→SEANov 14 12:19
UA 2099Boeing 737
9h 24m·1 stop
$219 USDIADNov 14 08:15
→SFONov 14 11:22
UA 1147Boeing 757
1h layover
SFONov 14 12:22
→SEANov 14 14:39
UA 2744Airbus A320
10h 1m·1 stop
$219 USDIADNov 14 09:25
→SFONov 14 12:32
UA 271Boeing 757
1h 38m layover
SFONov 14 14:10
→SEANov 14 16:26
UA 433Boeing 737
9h 9m·1 stop
$219 USDIADNov 14 14:38
→SFONov 14 17:47
UA 2862Boeing 737
43m layover
SFONov 14 18:30
→SEANov 14 20:47
UA 762Airbus A320
8h 35m·1 stop
$257 USDIADNov 14 08:20
→DENNov 14 10:29
UA 792Airbus A321neo
1h 21m layover
DENNov 14 11:50
→SEANov 14 13:55
UA 2302Airbus A321neo