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
Monday, November 16th, 2026
Outbound Flights
6h 6m·Nonstop
$209 USD
IADNov 16 17:50
→SEANov 16 20:56
UA 1128Boeing 737MAX 8 Passenger
9h 8m·1 stop
$271 USDIADNov 16 06:11
→ORDNov 16 07:30
UA 565Airbus A321neo
1h 55m layover
ORDNov 16 09:25
→SEANov 16 12:19
UA 2099Boeing 737
12h 33m·1 stop
$313 USDIADNov 16 06:39
→LAXNov 16 09:31
UA 249Boeing 737MAX 9 Passenger
3h 34m layover
LAXNov 16 13:05
→SEANov 16 16:12
UA 6043Embraer 175
8h 48m·1 stop
$327 USDIADNov 16 13:15
→ORDNov 16 14:38
UA 2331Boeing 737MAX 8 Passenger
1h 37m layover
ORDNov 16 16:15
→SEANov 16 19:03
UA 1801Airbus A321neo
10h 47m·1 stop
$375 USDIADNov 16 08:25
→LAXNov 16 11:14
UA 1734Boeing 757
1h 51m layover
LAXNov 16 13:05
→SEANov 16 16:12
UA 6043Embraer 175
9h 5m·1 stop
$391 USDIADNov 16 06:15
→SFONov 16 09:19
UA 1095Boeing 757
47m layover
SFONov 16 10:06
→SEANov 16 12:20
UA 2340Airbus A320
10h 2m·1 stop
$491 USDIADNov 16 09:25
→SFONov 16 12:32
UA 271Boeing 757
1h 38m layover
SFONov 16 14:10
→SEANov 16 16:27
UA 433Airbus A319
8h 17m·1 stop
$496 USDIADNov 16 10:15
→ORDNov 16 11:38
UA 1252Boeing 737MAX 9 Passenger
1h 7m layover
ORDNov 16 12:45
→SEANov 16 15:32
UA 1660Boeing 737