$139 Cheap Alaska Airlines flights Seattle (SEA) to Boston (BOS)

$139 Cheap Alaska Airlines flights Seattle (SEA) to Boston (BOS)

Prices were available within the past 7 days and start at $139 for one-way flights and $1,778 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Dec 19 - Sat, Dec 27

SEA

Seattle

BOS

Boston

$1,778 Roundtrip, found 2 days ago

$1,778

Roundtrip

found 2 days ago

Select Alaska Airlines flight, departing Fri, Dec 19 from Seattle to Boston, returning Sat, Dec 27, priced at $1,778 found 2 days ago