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
Monday, December 21st, 2026
Outbound Flights
19h 32m·2 stops
$344 USD
BWIDec 21 17:21
→ORDDec 21 18:44
UA 590Airbus A319
3h 3m layover
ORDDec 21 21:47
→DENDec 21 23:39
UA 590Boeing 737
8h 6m layover·Overnight
DENDec 22 07:45
→SEADec 22 09:53
UA 2271Boeing 737
19h 27m·1 stop
$358 USDBWIDec 21 06:15
→ORDDec 21 07:38
UA 1996Boeing 737MAX 9 Passenger
12h 15m layover
ORDDec 21 19:53
→SEADec 21 22:42
UA 2211Boeing 737
8h 21m·1 stop
$361 USDBWIDec 21 17:21
→ORDDec 21 18:44
UA 590Airbus A319
1h 9m layover
ORDDec 21 19:53
→SEADec 21 22:42
UA 2211Boeing 737
15h 46m·1 stop
$412 USDBWIDec 21 06:15
→ORDDec 21 07:38
UA 1996Boeing 737MAX 9 Passenger
8h 37m layover
ORDDec 21 16:15
→SEADec 21 19:01
UA 1801Airbus A321neo
8h 55m·1 stop
$429 USDBWIDec 21 06:15
→ORDDec 21 07:38
UA 1996Boeing 737MAX 9 Passenger
1h 36m layover
ORDDec 21 09:14
→SEADec 21 12:10
UA 2099Boeing 737
12h 22m·1 stop
$432 USDBWIDec 21 09:39
→ORDDec 21 11:02
UA 704Boeing 737
5h 13m layover
ORDDec 21 16:15
→SEADec 21 19:01
UA 1801Airbus A321neo
8h 8m·1 stop
$506 USDBWIDec 21 16:13
→DENDec 21 18:25
UA 2012Boeing 737
49m layover
DENDec 21 19:14
→SEADec 21 21:21
UA 360Airbus A321neo
24h 59m·1 stop
$1,678 USDBWIDec 21 18:31
→SFODec 21 21:25
UA 504Boeing 737MAX 8 Passenger
16h 54m layover·Overnight
SFODec 22 14:19
→SEADec 22 16:30
UA 433Boeing 737