CA $136 Cheap Alaska Airlines fights from Boston (BOS) to Seattle (SEA)

Alaska Airlines flights from Boston to Seattle (BOS→SEA)

Prices were available within the past 7 days and start at CA $136 for one-way flights and CA $297 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Sep. 13 - Sat, Sep. 20

BOS

Boston

SEA

Seattle

CA $297 Roundtrip, found 2 days ago

CA $297

Roundtrip

found 2 days ago

Select Alaska Airlines flight, departing Sat, Sep. 13 from Boston to Seattle, returning Sat, Sep. 20, priced at CA $297 found 2 days ago

Sat, Sep. 20 - Tue, Sep. 30

BOS

Boston

SEA

Seattle

CA $303 Roundtrip, found 1 day ago

CA $303

Roundtrip

found 1 day ago

Select Alaska Airlines flight, departing Sat, Sep. 20 from Boston to Seattle, returning Tue, Sep. 30, priced at CA $303 found 1 day ago

Thu, Oct. 2 - Sat, Oct. 4

BOS

Boston

SEA

Seattle

CA $313 Roundtrip, found 5 days ago

CA $313

Roundtrip

found 5 days ago

Select Alaska Airlines flight, departing Thu, Oct. 2 from Boston to Seattle, returning Sat, Oct. 4, priced at CA $313 found 5 days ago

Fri, Sep. 19 - Mon, Sep. 22

BOS

Boston

SEA

Seattle

CA $338 Roundtrip, found 3 days ago

CA $338

Roundtrip

found 3 days ago

Select Alaska Airlines flight, departing Fri, Sep. 19 from Boston to Seattle, returning Mon, Sep. 22, priced at CA $338 found 3 days ago

Sat, Sep. 20 - Tue, Sep. 30

BOS

Boston

SEA

Seattle

CA $340 Roundtrip, found 1 day ago

CA $340

Roundtrip

found 1 day ago

Select Alaska Airlines flight, departing Sat, Sep. 20 from Boston to Seattle, returning Tue, Sep. 30, priced at CA $340 found 1 day ago

Sat, Sep. 20 - Tue, Sep. 30

BOS

Boston

SEA

Seattle

CA $343 Roundtrip, found 1 day ago

CA $343

Roundtrip

found 1 day ago

Select Alaska Airlines flight, departing Sat, Sep. 20 from Boston to Seattle, returning Tue, Sep. 30, priced at CA $343 found 1 day ago