$149 Cheap Delta flights Boston (BOS) to Seattle (SEA)

$149 Cheap Delta flights Boston (BOS) to Seattle (SEA)

Prices were available within the past 7 days and start at $149 for one-way flights and $251 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, May 21 - Wed, May 27

BOS

Boston

SEA

Seattle

$251 Roundtrip, found 2 days ago

$251

Roundtrip

found 2 days ago

Select Delta flight, departing Thu, May 21 from Boston to Seattle, returning Wed, May 27, priced at $251 found 2 days ago

Thu, May 21 - Fri, May 29

BOS

Boston

SEA

Seattle

$265 Roundtrip, found 2 days ago

$265

Roundtrip

found 2 days ago

Select Delta flight, departing Thu, May 21 from Boston to Seattle, returning Fri, May 29, priced at $265 found 2 days ago

Thu, May 21 - Thu, May 28

BOS

Boston

SEA

Seattle

$275 Roundtrip, found 2 days ago

$275

Roundtrip

found 2 days ago

Select Delta flight, departing Thu, May 21 from Boston to Seattle, returning Thu, May 28, priced at $275 found 2 days ago

Wed, May 20 - Wed, May 27

BOS

Boston

SEA

Seattle

$327 Roundtrip, found 2 days ago

$327

Roundtrip

found 2 days ago

Select Delta flight, departing Wed, May 20 from Boston to Seattle, returning Wed, May 27, priced at $327 found 2 days ago

Tue, Jun 16 - Mon, Jun 29

BOS

Boston

SEA

Seattle

$332 Roundtrip, found 9 hours ago

$332

Roundtrip

found 9 hours ago

Select Delta flight, departing Tue, Jun 16 from Boston to Seattle, returning Mon, Jun 29, priced at $332 found 9 hours ago

Wed, May 20 - Fri, May 29

BOS

Boston

SEA

Seattle

$341 Roundtrip, found 2 days ago

$341

Roundtrip

found 2 days ago

Select Delta flight, departing Wed, May 20 from Boston to Seattle, returning Fri, May 29, priced at $341 found 2 days ago