Cheap flights from Washington to Sucia Island

View AU$159 flight on Mon, 25 Aug. 2025Opens in a new window

Popular airlines from Washington to Sucia Island

  • American Airlines

    American Airlines

  • Alaska Airlines

    Alaska Airlines

  • Delta

    Delta

  • United

    United

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Cheap Flights from Washington (WAS) to Sucia 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
Mon, 18 Aug. - Tue, 26 Aug.
BWI
Baltimore
SEA
Seattle
AU$318 Return, found 15 hours ago
AU$318
Return
found 15 hours ago
Select American Airlines flight, departing Mon, 18 Aug. from Baltimore to Seattle, returning Tue, 26 Aug., priced at AU$318 found 15 hours ago
Delta
Mon, 18 Aug. - Tue, 26 Aug.
BWI
Baltimore
SEA
Seattle
AU$318 Return, found 15 hours ago
AU$318
Return
found 15 hours ago
Select Delta flight, departing Mon, 18 Aug. from Baltimore to Seattle, returning Tue, 26 Aug., priced at AU$318 found 15 hours ago
Alaska Airlines
Mon, 18 Aug. - Tue, 26 Aug.
BWI
Baltimore
SEA
Seattle
AU$341 Return, found 15 hours ago
AU$341
Return
found 15 hours ago
Select Alaska Airlines flight, departing Mon, 18 Aug. from Baltimore to Seattle, returning Tue, 26 Aug., priced at AU$341 found 15 hours ago
Alaska Airlines
Mon, 18 Aug. - Tue, 26 Aug.
BWI
Baltimore
SEA
Seattle
AU$364 Return, found 15 hours ago
AU$364
Return
found 15 hours ago
Select Alaska Airlines flight, departing Mon, 18 Aug. from Baltimore to Seattle, returning Tue, 26 Aug., priced at AU$364 found 15 hours ago
Alaska Airlines
Wed, 3 Sep. - Wed, 10 Sep.
BWI
Baltimore
SEA
Seattle
AU$366 Return, found 2 days ago
AU$366
Return
found 2 days ago
Select Alaska Airlines flight, departing Wed, 3 Sep. from Baltimore to Seattle, returning Wed, 10 Sep., priced at AU$366 found 2 days ago
United
Wed, 3 Sep. - Wed, 10 Sep.
BWI
Baltimore
SEA
Seattle
AU$459 Return, found 2 days ago
AU$459
Return
found 2 days ago
Select United flight, departing Wed, 3 Sep. from Baltimore to Seattle, returning Wed, 10 Sep., priced at AU$459 found 2 days ago

Find the cheapest month to fly from Washington (WAS) to Seattle (SEA)

September is typically the cheapest month to fly

From AU$212 - AU$387 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.