Baltimore-Washington (BWI) to Seattle / Tacoma (SEA) flight deal in economy from $59

Southwest AirlinesWNSouthwest Airlines
One Way•Economy
United StatesBWI

Baltimore/Washington International Thurgood Marshall Ai

Baltimore-Washington, United States
United StatesSEA

Seattle–Tacoma International Airport

Seattle / Tacoma, United States
$199 USD
-70%$59 USD
Verified about 2 hours ago
Extremely Rare Availability
2% of dates checked are available within 10% of the lowest price

Saturday, September 26th, 2026

Outbound Flights

5h 40m·Nonstop
$59 USD
Southwest Airlines
BWISep 26 08:05
→
SEASep 26 10:45
WN 840Boeing 737
7h 45m·1 stop
$69 USD
Southwest Airlines
BWISep 26 10:10
→
MCISep 26 11:50
WN 975Boeing 737-700 (Scimitar Winglets) Pax
1h 20m layover
Southwest Airlines
MCISep 26 13:10
→
SEASep 26 14:55
WN 106Boeing 737MAX 8 Passenger
9h·1 stop
$69 USD
Southwest Airlines
BWISep 26 10:50
→
AUSSep 26 13:15
WN 700Boeing 737MAX 8 Passenger
1h 10m layover
Southwest Airlines
AUSSep 26 14:25
→
SEASep 26 16:50
WN 1011Boeing 737MAX 8 Passenger
8h 20m·1 stop
$69 USD
Southwest Airlines
BWISep 26 13:00
→
DENSep 26 14:45
WN 936Boeing 737MAX 8 Passenger
1h 35m layover
Southwest Airlines
DENSep 26 16:20
→
SEASep 26 18:20
WN 4980Boeing 737
8h 10m·1 stop
$69 USD
Southwest Airlines
BWISep 26 15:45
→
MDWSep 26 16:45
WN 992Boeing 737MAX 8 Passenger
1h 40m layover
Southwest Airlines
MDWSep 26 18:25
→
SEASep 26 20:55
WN 2827Boeing 737MAX 8 Passenger
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