Cheap flights from Washington to San Juan Island from CA $141

Cheap flights from Washington (WAS) to San Juan Island (SEA)

Prices were available within the past 7 days and start at CA $141 for one-way flights and CA $280 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Oct. 25 - Fri, Oct. 31

BWI

Baltimore

SEA

Seattle

CA $280 Roundtrip, found 7 hours ago

CA $280

Roundtrip

found 7 hours ago

Select American Airlines flight, departing Sat, Oct. 25 from Baltimore to Seattle, returning Fri, Oct. 31, priced at CA $280 found 7 hours ago

Tue, Sep. 9 - Thu, Sep. 25

BWI

Baltimore

SEA

Seattle

CA $281 Roundtrip, found 6 hours ago

CA $281

Roundtrip

found 6 hours ago

Select Delta flight, departing Tue, Sep. 9 from Baltimore to Seattle, returning Thu, Sep. 25, priced at CA $281 found 6 hours ago

Wed, Oct. 1 - Wed, Oct. 8

BWI

Baltimore

SEA

Seattle

CA $283 Roundtrip, found 2 days ago

CA $283

Roundtrip

found 2 days ago

Select American Airlines flight, departing Wed, Oct. 1 from Baltimore to Seattle, returning Wed, Oct. 8, priced at CA $283 found 2 days ago

Wed, Oct. 1 - Wed, Oct. 8

BWI

Baltimore

SEA

Seattle

CA $308 Roundtrip, found 2 days ago

CA $308

Roundtrip

found 2 days ago

Select Alaska Airlines flight, departing Wed, Oct. 1 from Baltimore to Seattle, returning Wed, Oct. 8, priced at CA $308 found 2 days ago

Tue, Sep. 23 - Wed, Sep. 24

IAD

Washington

SEA

Seattle

CA $366 Roundtrip, found 3 days ago

CA $366

Roundtrip

found 3 days ago

Select Hawaiian Airlines flight, departing Tue, Sep. 23 from Washington to Seattle, returning Wed, Sep. 24, priced at CA $366 found 3 days ago

Mon, Aug. 18 - Fri, Aug. 22

BWI

Baltimore

SEA

Seattle

CA $468 Roundtrip, just found

CA $468

Roundtrip

just found

Select Sun Country Airlines flight, departing Mon, Aug. 18 from Baltimore to Seattle, returning Fri, Aug. 22, priced at CA $468 just found