$151 Cheap United flights Boston (BOS) to Seattle (SEA)

$151 Cheap United flights Boston (BOS) to Seattle (SEA)

Prices were available within the past 7 days and start at $151 for one-way flights and $237 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Oct 22 - Sun, Oct 26

BOS

Boston

SEA

Seattle

$237 Roundtrip, found 1 day ago

$237

Roundtrip

found 1 day ago

Select United flight, departing Wed, Oct 22 from Boston to Seattle, returning Sun, Oct 26, priced at $237 found 1 day ago

Wed, Oct 22 - Sun, Oct 26

BOS

Boston

SEA

Seattle

$269 Roundtrip, found 1 day ago

$269

Roundtrip

found 1 day ago

Select United flight, departing Wed, Oct 22 from Boston to Seattle, returning Sun, Oct 26, priced at $269 found 1 day ago

Wed, Oct 22 - Sun, Oct 26

BOS

Boston

SEA

Seattle

$304 Roundtrip, found 1 day ago

$304

Roundtrip

found 1 day ago

Select United flight, departing Wed, Oct 22 from Boston to Seattle, returning Sun, Oct 26, priced at $304 found 1 day ago

Wed, Oct 22 - Sun, Oct 26

BOS

Boston

SEA

Seattle

$321 Roundtrip, found 1 day ago

$321

Roundtrip

found 1 day ago

Select United flight, departing Wed, Oct 22 from Boston to Seattle, returning Sun, Oct 26, priced at $321 found 1 day ago