$159 Cheap United flights Boston (BOS) to Seattle (SEA)

$159 Cheap United flights Boston (BOS) to Seattle (SEA)

Prices were available within the past 7 days and start at $159 for one-way flights and $312 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Jan 7 - Fri, Jan 9

BOS

Boston

SEA

Seattle

$312 Roundtrip, found 16 hours ago

$312

Roundtrip

found 16 hours ago

Select United flight, departing Wed, Jan 7 from Boston to Seattle, returning Fri, Jan 9, priced at $312 found 16 hours ago

Wed, Jan 7 - Fri, Jan 9

BOS

Boston

SEA

Seattle

$322 Roundtrip, found 16 hours ago

$322

Roundtrip

found 16 hours ago

Select United flight, departing Wed, Jan 7 from Boston to Seattle, returning Fri, Jan 9, priced at $322 found 16 hours ago

Wed, Sep 23 - Mon, Sep 28

BOS

Boston

SEA

Seattle

$329 Roundtrip, found 22 hours ago

$329

Roundtrip

found 22 hours ago

Select United flight, departing Wed, Sep 23 from Boston to Seattle, returning Mon, Sep 28, priced at $329 found 22 hours ago

Wed, Jan 7 - Fri, Jan 9

BOS

Boston

SEA

Seattle

$332 Roundtrip, found 16 hours ago

$332

Roundtrip

found 16 hours ago

Select United flight, departing Wed, Jan 7 from Boston to Seattle, returning Fri, Jan 9, priced at $332 found 16 hours ago

Wed, Jan 7 - Fri, Jan 9

BOS

Boston

SEA

Seattle

$333 Roundtrip, found 16 hours ago

$333

Roundtrip

found 16 hours ago

Select United flight, departing Wed, Jan 7 from Boston to Seattle, returning Fri, Jan 9, priced at $333 found 16 hours ago

Wed, Jan 7 - Fri, Jan 9

BOS

Boston

SEA

Seattle

$338 Roundtrip, found 16 hours ago

$338

Roundtrip

found 16 hours ago

Select United flight, departing Wed, Jan 7 from Boston to Seattle, returning Fri, Jan 9, priced at $338 found 16 hours ago