Cheap flights from Baltimore to Blake Island

View AU$158 flight on Thu, 14 Aug. 2025Opens in a new window

Popular airlines from Baltimore to Blake Island

  • Alaska Airlines

    Alaska Airlines

  • Delta

    Delta

  • American Airlines

    American Airlines

  • United

    United

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Cheap Flights from Baltimore (WAS) to Blake Island (SEA)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, 14 Aug. - Wed, 27 Aug.
BWI
Baltimore
SEA
Seattle
AU$316 Return, found 1 day ago
AU$316
Return
found 1 day ago
Select American Airlines flight, departing Thu, 14 Aug. from Baltimore to Seattle, returning Wed, 27 Aug., priced at AU$316 found 1 day ago
American Airlines
Tue, 12 Aug. - Tue, 19 Aug.
BWI
Baltimore
SEA
Seattle
AU$317 Return, found 5 days ago
AU$317
Return
found 5 days ago
Select American Airlines flight, departing Tue, 12 Aug. from Baltimore to Seattle, returning Tue, 19 Aug., priced at AU$317 found 5 days ago
American Airlines
Wed, 13 Aug. - Wed, 20 Aug.
BWI
Baltimore
SEA
Seattle
AU$386 Return, found 3 days ago
AU$386
Return
found 3 days ago
Select American Airlines flight, departing Wed, 13 Aug. from Baltimore to Seattle, returning Wed, 20 Aug., priced at AU$386 found 3 days ago
Alaska Airlines
Wed, 13 Aug. - Wed, 20 Aug.
BWI
Baltimore
SEA
Seattle
AU$424 Return, found 3 days ago
AU$424
Return
found 3 days ago
Select Alaska Airlines flight, departing Wed, 13 Aug. from Baltimore to Seattle, returning Wed, 20 Aug., priced at AU$424 found 3 days ago
Delta
Tue, 26 Aug. - Sat, 30 Aug.
BWI
Baltimore
SEA
Seattle
AU$455 Return, found 2 days ago
AU$455
Return
found 2 days ago
Select Delta flight, departing Tue, 26 Aug. from Baltimore to Seattle, returning Sat, 30 Aug., priced at AU$455 found 2 days ago
United
Thu, 14 Aug. - Wed, 27 Aug.
BWI
Baltimore
SEA
Seattle
AU$515 Return, found 1 day ago
AU$515
Return
found 1 day ago
Select United flight, departing Thu, 14 Aug. from Baltimore to Seattle, returning Wed, 27 Aug., priced at AU$515 found 1 day ago

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

September is typically the cheapest month to fly

From AU$228 - AU$390 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.