Baltimore-Washington (BWI) to Seattle / Tacoma (SEA) flight deal in economy from $109
BWIBaltimore/Washington International Thurgood Marshall Ai
Baltimore-Washington, United States
SEASeattle–Tacoma International Airport
Seattle / Tacoma, United States
$196 USD
-44%$109 USD
Verified 13 days agoDecember 2026
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Rare Availability
6% of dates checked are available within 10% of the lowest price
Sunday, December 20th, 2026
Outbound Flights
9h 49m·1 stop
$316 USD
BWIDec 20 16:10
→DENDec 20 18:07
UA 2012Boeing 737
2h 53m layover
DENDec 20 21:00
→SEADec 20 22:59
UA 2651Boeing 737MAX 8 Passenger
8h 18m·1 stop
$331 USDBWIDec 20 17:11
→ORDDec 20 18:21
UA 590Airbus A320
1h 34m layover
ORDDec 20 19:55
→SEADec 20 22:29
UA 2211Boeing 737MAX 8 Passenger
11h 14m·1 stop
$443 USDBWIDec 20 10:45
→ORDDec 20 11:47
UA 704Airbus A320
4h 28m layover
ORDDec 20 16:15
→SEADec 20 18:59
UA 1801Boeing 737
8h 23m·1 stop
$460 USDBWIDec 20 06:17
→ORDDec 20 07:29
UA 1996Boeing 737
1h 21m layover
ORDDec 20 08:50
→SEADec 20 11:40
UA 2099Boeing 737MAX 9 Passenger
8h 2m·1 stop
$499 USDBWIDec 20 16:10
→DENDec 20 18:07
UA 2012Boeing 737
1h 6m layover
DENDec 20 19:13
→SEADec 20 21:12
UA 360Boeing 737MAX 9 Passenger
11h 9m·1 stop
$551 USDBWIDec 20 10:00
→DENDec 20 12:20
UA 2057Boeing 737
3h 49m layover
DENDec 20 16:09
→SEADec 20 18:09
UA 2013Boeing 737
21h 29m·1 stop
$588 USDBWIDec 20 18:16
→IAHDec 20 20:39
UA 2228Boeing 737
13h 21m layover·Overnight
IAHDec 21 10:00
→SEADec 21 12:45
UA 1062Boeing 737
8h 5m·1 stop
$632 USDBWIDec 20 08:15
→DENDec 20 10:03
UA 2412Boeing 737
1h 18m layover
DENDec 20 11:21
→SEADec 20 13:20
UA 2302Boeing 737