Cheap Flights from Baltimore to Bellevue

View €90 flight on Tue, 12 Aug 2025Opens in a new window

Popular airlines from Baltimore to Bellevue

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Cheap flights from Baltimore to Bellevue (WAS-SEA)

Prices were available within the past 7 days and start at €90 for one-way flights and €179 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, 25 Oct - Tue, 4 Nov
BWI
Baltimore
SEA
Seattle
€179 Return, found 4 days ago
€179
Return
found 4 days ago
Select American Airlines flight, departing Sat, 25 Oct from Baltimore to Seattle, returning Tue, 4 Nov, priced at €179 found 4 days ago
American Airlines
Sat, 25 Oct - Tue, 4 Nov
BWI
Baltimore
SEA
Seattle
€219 Return, found 4 days ago
€219
Return
found 4 days ago
Select American Airlines flight, departing Sat, 25 Oct from Baltimore to Seattle, returning Tue, 4 Nov, priced at €219 found 4 days ago
American Airlines
Sat, 25 Oct - Tue, 4 Nov
BWI
Baltimore
SEA
Seattle
€236 Return, found 4 days ago
€236
Return
found 4 days ago
Select American Airlines flight, departing Sat, 25 Oct from Baltimore to Seattle, returning Tue, 4 Nov, priced at €236 found 4 days ago
Delta
Sat, 25 Oct - Tue, 4 Nov
DCA
Washington
SEA
Seattle
€241 Return, found 4 days ago
€241
Return
found 4 days ago
Select Delta flight, departing Sat, 25 Oct from Washington to Seattle, returning Tue, 4 Nov, priced at €241 found 4 days ago
United
Sun, 10 Aug - Tue, 19 Aug
BWI
Baltimore
SEA
Seattle
€296 Return, found 5 days ago
€296
Return
found 5 days ago
Select United flight, departing Sun, 10 Aug from Baltimore to Seattle, returning Tue, 19 Aug, priced at €296 found 5 days ago
JetBlue Airways
Sun, 26 Oct - Tue, 4 Nov
DCA
Washington
SEA
Seattle
€305 Return, found 4 days ago
€305
Return
found 4 days ago
Select JetBlue Airways flight, departing Sun, 26 Oct from Washington to Seattle, returning Tue, 4 Nov, priced at €305 found 4 days ago

Find the cheapest month to fly from Baltimore (BWI) to Seattle (SEA)

September is typically the cheapest month to fly

From €131 - €234 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.