$154 Cheap Alaska Airlines flights Boston (BOS) to Seattle (SEA)

$154 Cheap Alaska Airlines flights Boston (BOS) to Seattle (SEA)

Prices were available within the past 7 days and start at $154 for one-way flights and $307 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Sep 18 - Mon, Sep 28

BOS

Boston

SEA

Seattle

$307 Roundtrip, found 4 hours ago

$307

Roundtrip

found 4 hours ago

Select Alaska Airlines flight, departing Fri, Sep 18 from Boston to Seattle, returning Mon, Sep 28, priced at $307 found 4 hours ago

Fri, Sep 18 - Mon, Sep 28

BOS

Boston

SEA

Seattle

$317 Roundtrip, found 4 hours ago

$317

Roundtrip

found 4 hours ago

Select Alaska Airlines flight, departing Fri, Sep 18 from Boston to Seattle, returning Mon, Sep 28, priced at $317 found 4 hours ago

Fri, Sep 18 - Mon, Sep 28

BOS

Boston

SEA

Seattle

$326 Roundtrip, found 4 hours ago

$326

Roundtrip

found 4 hours ago

Select Alaska Airlines flight, departing Fri, Sep 18 from Boston to Seattle, returning Mon, Sep 28, priced at $326 found 4 hours ago

Wed, Jan 7 - Fri, Jan 9

BOS

Boston

SEA

Seattle

$337 Roundtrip, found 13 hours ago

$337

Roundtrip

found 13 hours ago

Select Alaska Airlines flight, departing Wed, Jan 7 from Boston to Seattle, returning Fri, Jan 9, priced at $337 found 13 hours ago