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

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

Prices were available within the past 7 days and start at CA $136 for one-way flights and CA $271 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Oct. 21 - Thu, Oct. 30

SEA

Seattle

BOS

Boston

CA $271 Roundtrip, found 14 hours ago

CA $271

Roundtrip

found 14 hours ago

Select Alaska Airlines flight, departing Tue, Oct. 21 from Seattle to Boston, returning Thu, Oct. 30, priced at CA $271 found 14 hours ago

Mon, Sep. 22 - Tue, Oct. 7

SEA

Seattle

BOS

Boston

CA $275 Roundtrip, found 1 hour ago

CA $275

Roundtrip

found 1 hour ago

Select Alaska Airlines flight, departing Mon, Sep. 22 from Seattle to Boston, returning Tue, Oct. 7, priced at CA $275 found 1 hour ago

Wed, Oct. 29 - Wed, Nov. 12

SEA

Seattle

BOS

Boston

CA $299 Roundtrip, found 1 day ago

CA $299

Roundtrip

found 1 day ago

Select Alaska Airlines flight, departing Wed, Oct. 29 from Seattle to Boston, returning Wed, Nov. 12, priced at CA $299 found 1 day ago

Wed, Dec. 3 - Sat, Dec. 6

SEA

Seattle

BOS

Boston

CA $303 Roundtrip, found 7 hours ago

CA $303

Roundtrip

found 7 hours ago

Select Alaska Airlines flight, departing Wed, Dec. 3 from Seattle to Boston, returning Sat, Dec. 6, priced at CA $303 found 7 hours ago

Fri, Sep. 26 - Mon, Sep. 29

SEA

Seattle

BOS

Boston

CA $311 Roundtrip, found 1 day ago

CA $311

Roundtrip

found 1 day ago

Select Alaska Airlines flight, departing Fri, Sep. 26 from Seattle to Boston, returning Mon, Sep. 29, priced at CA $311 found 1 day ago

Wed, Dec. 3 - Sat, Dec. 6

SEA

Seattle

BOS

Boston

CA $313 Roundtrip, found 7 hours ago

CA $313

Roundtrip

found 7 hours ago

Select Alaska Airlines flight, departing Wed, Dec. 3 from Seattle to Boston, returning Sat, Dec. 6, priced at CA $313 found 7 hours ago