$139 Cheap Delta flights Boston (BOS) to Seattle (SEA)

$139 Cheap Delta flights Boston (BOS) to Seattle (SEA)

Prices were available within the past 7 days and start at $139 for one-way flights and $237 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Jun 9 - Tue, Jun 16

BOS

Boston

SEA

Seattle

$237 Roundtrip, found 1 day ago

$237

Roundtrip

found 1 day ago

Select Delta flight, departing Tue, Jun 9 from Boston to Seattle, returning Tue, Jun 16, priced at $237 found 1 day ago

Mon, Jun 8 - Tue, Jun 16

BOS

Boston

SEA

Seattle

$272 Roundtrip, found 1 day ago

$272

Roundtrip

found 1 day ago

Select Delta flight, departing Mon, Jun 8 from Boston to Seattle, returning Tue, Jun 16, priced at $272 found 1 day ago

Tue, Jun 9 - Mon, Jun 15

BOS

Boston

SEA

Seattle

$288 Roundtrip, found 1 day ago

$288

Roundtrip

found 1 day ago

Select Delta flight, departing Tue, Jun 9 from Boston to Seattle, returning Mon, Jun 15, priced at $288 found 1 day ago

Wed, May 27 - Fri, May 29

BOS

Boston

SEA

Seattle

$307 Roundtrip, found 6 days ago

$307

Roundtrip

found 6 days ago

Select Delta flight, departing Wed, May 27 from Boston to Seattle, returning Fri, May 29, priced at $307 found 6 days ago

Mon, Jun 8 - Mon, Jun 15

BOS

Boston

SEA

Seattle

$323 Roundtrip, found 1 day ago

$323

Roundtrip

found 1 day ago

Select Delta flight, departing Mon, Jun 8 from Boston to Seattle, returning Mon, Jun 15, priced at $323 found 1 day ago

Thu, Jun 11 - Mon, Jun 15

BOS

Boston

SEA

Seattle

$339 Roundtrip, found 1 day ago

$339

Roundtrip

found 1 day ago

Select Delta flight, departing Thu, Jun 11 from Boston to Seattle, returning Mon, Jun 15, priced at $339 found 1 day ago

Tue, Jun 9 - Thu, Jun 18

BOS

Boston

SEA

Seattle

$368 Roundtrip, found 1 day ago

$368

Roundtrip

found 1 day ago

Select Delta flight, departing Tue, Jun 9 from Boston to Seattle, returning Thu, Jun 18, priced at $368 found 1 day ago

Sun, Jun 14 - Mon, Jun 15

BOS

Boston

SEA

Seattle

$377 Roundtrip, found 1 day ago

$377

Roundtrip

found 1 day ago

Select Delta flight, departing Sun, Jun 14 from Boston to Seattle, returning Mon, Jun 15, priced at $377 found 1 day ago

Sat, Jan 24 - Mon, Jan 26

BOS

Boston

SEA

Seattle

$385 Roundtrip, found 1 day ago

$385

Roundtrip

found 1 day ago

Select Delta flight, departing Sat, Jan 24 from Boston to Seattle, returning Mon, Jan 26, priced at $385 found 1 day ago