$219 Cheap United flights Boston (BOS) to Seattle (SEA)

$219 Cheap United flights Boston (BOS) to Seattle (SEA)

Prices were available within the past 7 days and start at $219 for one-way flights and $268 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Jan 14 - Mon, Jan 26

BOS

Boston

SEA

Seattle

$268 Roundtrip, found 2 days ago

$268

Roundtrip

found 2 days ago

Select United flight, departing Wed, Jan 14 from Boston to Seattle, returning Mon, Jan 26, priced at $268 found 2 days ago

Mon, Jan 12 - Wed, Jan 14

BOS

Boston

SEA

Seattle

$312 Roundtrip, found 3 days ago

$312

Roundtrip

found 3 days ago

Select United flight, departing Mon, Jan 12 from Boston to Seattle, returning Wed, Jan 14, priced at $312 found 3 days ago

Mon, Jan 12 - Wed, Jan 14

BOS

Boston

SEA

Seattle

$317 Roundtrip, found 3 days ago

$317

Roundtrip

found 3 days ago

Select United flight, departing Mon, Jan 12 from Boston to Seattle, returning Wed, Jan 14, priced at $317 found 3 days ago

Mon, Jan 12 - Wed, Jan 14

BOS

Boston

SEA

Seattle

$334 Roundtrip, found 3 days ago

$334

Roundtrip

found 3 days ago

Select United flight, departing Mon, Jan 12 from Boston to Seattle, returning Wed, Jan 14, priced at $334 found 3 days ago

Mon, Jan 12 - Wed, Jan 14

BOS

Boston

SEA

Seattle

$340 Roundtrip, found 3 days ago

$340

Roundtrip

found 3 days ago

Select United flight, departing Mon, Jan 12 from Boston to Seattle, returning Wed, Jan 14, priced at $340 found 3 days ago

Mon, Jan 12 - Wed, Jan 14

BOS

Boston

SEA

Seattle

$345 Roundtrip, found 3 days ago

$345

Roundtrip

found 3 days ago

Select United flight, departing Mon, Jan 12 from Boston to Seattle, returning Wed, Jan 14, priced at $345 found 3 days ago

Mon, Jan 12 - Wed, Jan 14

BOS

Boston

SEA

Seattle

$347 Roundtrip, found 3 days ago

$347

Roundtrip

found 3 days ago

Select United flight, departing Mon, Jan 12 from Boston to Seattle, returning Wed, Jan 14, priced at $347 found 3 days ago

Mon, Jan 12 - Thu, Jan 15

BOS

Boston

SEA

Seattle

$422 Roundtrip, found 2 days ago

$422

Roundtrip

found 2 days ago

Select United flight, departing Mon, Jan 12 from Boston to Seattle, returning Thu, Jan 15, priced at $422 found 2 days ago