CA $165 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 $165 for one-way flights and CA $343 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat., May 24 - Fri., May 30

BOS

Boston

SEA

Seattle

CA $343 Roundtrip, found 10 hours ago

CA $343

Roundtrip

found 10 hours ago

Select Alaska Airlines flight, departing Sat., May 24 from Boston to Seattle, returning Fri., May 30, priced at CA $343 found 10 hours ago

Sat., May 24 - Fri., May 30

BOS

Boston

SEA

Seattle

CA $356 Roundtrip, found 10 hours ago

CA $356

Roundtrip

found 10 hours ago

Select Alaska Airlines flight, departing Sat., May 24 from Boston to Seattle, returning Fri., May 30, priced at CA $356 found 10 hours ago

Sat., May 10 - Sat., May 17

BOS

Boston

SEA

Seattle

CA $365 Roundtrip, found 3 days ago

CA $365

Roundtrip

found 3 days ago

Select Alaska Airlines flight, departing Sat., May 10 from Boston to Seattle, returning Sat., May 17, priced at CA $365 found 3 days ago

Fri., May 9 - Tue., May 13

BOS

Boston

SEA

Seattle

CA $376 Roundtrip, found 20 hours ago

CA $376

Roundtrip

found 20 hours ago

Select Alaska Airlines flight, departing Fri., May 9 from Boston to Seattle, returning Tue., May 13, priced at CA $376 found 20 hours ago

Sat., May 24 - Fri., May 30

BOS

Boston

SEA

Seattle

CA $377 Roundtrip, found 10 hours ago

CA $377

Roundtrip

found 10 hours ago

Select Alaska Airlines flight, departing Sat., May 24 from Boston to Seattle, returning Fri., May 30, priced at CA $377 found 10 hours ago

Sun., May 25 - Wed., May 28

BOS

Boston

SEA

Seattle

CA $380 Roundtrip, found 2 days ago

CA $380

Roundtrip

found 2 days ago

Select Alaska Airlines flight, departing Sun., May 25 from Boston to Seattle, returning Wed., May 28, priced at CA $380 found 2 days ago