Cheap flights from Washington to San Juan Island

View AU$160 flight on Fri, 5 Sep. 2025Opens in a new window

Popular airlines from Washington to San Juan Island

  • Jetstar

    Jetstar

  • Qantas Airways

    Qantas Airways

  • Virgin Australia

    Virgin Australia

  • Scoot

    Scoot

  • American Airlines

    American Airlines

  • Emirates

    Emirates

  • United

    United

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Cheap Flights from Washington (WAS) to San Juan 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$320 Return, found 2 days ago
AU$320
Return
found 2 days ago
Select American Airlines flight, departing Mon, 18 Aug. from Baltimore to Seattle, returning Tue, 26 Aug., priced at AU$320 found 2 days ago
American Airlines
Mon, 18 Aug. - Tue, 26 Aug.
BWI
Baltimore
SEA
Seattle
AU$359 Return, found 2 days ago
AU$359
Return
found 2 days ago
Select American Airlines flight, departing Mon, 18 Aug. from Baltimore to Seattle, returning Tue, 26 Aug., priced at AU$359 found 2 days ago
Alaska Airlines
Wed, 3 Sep. - Wed, 10 Sep.
BWI
Baltimore
SEA
Seattle
AU$366 Return, found 22 hours ago
AU$366
Return
found 22 hours ago
Select Alaska Airlines flight, departing Wed, 3 Sep. from Baltimore to Seattle, returning Wed, 10 Sep., priced at AU$366 found 22 hours ago
Delta
Wed, 3 Sep. - Wed, 10 Sep.
BWI
Baltimore
SEA
Seattle
AU$381 Return, found 22 hours ago
AU$381
Return
found 22 hours ago
Select Delta flight, departing Wed, 3 Sep. from Baltimore to Seattle, returning Wed, 10 Sep., priced at AU$381 found 22 hours ago
Alaska Airlines
Tue, 2 Sep. - Tue, 9 Sep.
BWI
Baltimore
SEA
Seattle
AU$397 Return, found 2 days ago
AU$397
Return
found 2 days ago
Select Alaska Airlines flight, departing Tue, 2 Sep. from Baltimore to Seattle, returning Tue, 9 Sep., priced at AU$397 found 2 days ago
United
Wed, 3 Sep. - Wed, 10 Sep.
BWI
Baltimore
SEA
Seattle
AU$459 Return, found 22 hours ago
AU$459
Return
found 22 hours ago
Select United flight, departing Wed, 3 Sep. from Baltimore to Seattle, returning Wed, 10 Sep., priced at AU$459 found 22 hours ago
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