Cheap flights from Baltimore to Herron Island

View AU$151 flight on Sat, 16 Aug. 2025Opens in a new window

Popular airlines from Baltimore to Herron Island

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Cheap Flights from Baltimore (WAS) to Herron 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
Tue, 19 Aug. - Tue, 26 Aug.
BWI
Baltimore
SEA
Seattle
AU$316 Return, found 1 day ago
AU$316
Return
found 1 day ago
Select American Airlines flight, departing Tue, 19 Aug. from Baltimore to Seattle, returning Tue, 26 Aug., priced at AU$316 found 1 day ago
Alaska Airlines
Sat, 16 Aug. - Tue, 19 Aug.
BWI
Baltimore
SEA
Seattle
AU$377 Return, found 11 hours ago
AU$377
Return
found 11 hours ago
Select Alaska Airlines flight, departing Sat, 16 Aug. from Baltimore to Seattle, returning Tue, 19 Aug., priced at AU$377 found 11 hours ago
American Airlines
Tue, 19 Aug. - Tue, 26 Aug.
BWI
Baltimore
SEA
Seattle
AU$384 Return, found 1 day ago
AU$384
Return
found 1 day ago
Select American Airlines flight, departing Tue, 19 Aug. from Baltimore to Seattle, returning Tue, 26 Aug., priced at AU$384 found 1 day ago
American Airlines
Thu, 14 Aug. - Wed, 27 Aug.
BWI
Baltimore
SEA
Seattle
AU$401 Return, found 6 days ago
AU$401
Return
found 6 days ago
Select American Airlines flight, departing Thu, 14 Aug. from Baltimore to Seattle, returning Wed, 27 Aug., priced at AU$401 found 6 days ago
Delta
Tue, 19 Aug. - Tue, 26 Aug.
DCA
Washington
SEA
Seattle
AU$423 Return, found 1 day ago
AU$423
Return
found 1 day ago
Select Delta flight, departing Tue, 19 Aug. from Washington to Seattle, returning Tue, 26 Aug., priced at AU$423 found 1 day ago
United
Tue, 19 Aug. - Tue, 26 Aug.
DCA
Washington
SEA
Seattle
AU$598 Return, found 1 day ago
AU$598
Return
found 1 day ago
Select United flight, departing Tue, 19 Aug. from Washington to Seattle, returning Tue, 26 Aug., priced at AU$598 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.