$119 Cheap United flights Seattle (SEA) to Boston (BOS)

$119 Cheap United flights Seattle (SEA) to Boston (BOS)

Prices were available within the past 7 days and start at $119 for one-way flights and $257 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Oct 13 - Fri, Oct 17

SEA

Seattle

BOS

Boston

$257 Roundtrip, found 1 day ago

$257

Roundtrip

found 1 day ago

Select United flight, departing Mon, Oct 13 from Seattle to Boston, returning Fri, Oct 17, priced at $257 found 1 day ago

Tue, Oct 14 - Sat, Oct 18

SEA

Seattle

BOS

Boston

$261 Roundtrip, found 1 day ago

$261

Roundtrip

found 1 day ago

Select United flight, departing Tue, Oct 14 from Seattle to Boston, returning Sat, Oct 18, priced at $261 found 1 day ago

Tue, Oct 14 - Sat, Oct 18

SEA

Seattle

BOS

Boston

$267 Roundtrip, found 1 day ago

$267

Roundtrip

found 1 day ago

Select United flight, departing Tue, Oct 14 from Seattle to Boston, returning Sat, Oct 18, priced at $267 found 1 day ago

Mon, Oct 13 - Fri, Oct 17

SEA

Seattle

BOS

Boston

$286 Roundtrip, found 1 day ago

$286

Roundtrip

found 1 day ago

Select United flight, departing Mon, Oct 13 from Seattle to Boston, returning Fri, Oct 17, priced at $286 found 1 day ago

Mon, Oct 13 - Fri, Oct 17

SEA

Seattle

BOS

Boston

$295 Roundtrip, found 1 day ago

$295

Roundtrip

found 1 day ago

Select United flight, departing Mon, Oct 13 from Seattle to Boston, returning Fri, Oct 17, priced at $295 found 1 day ago

Mon, Oct 13 - Fri, Oct 17

SEA

Seattle

BOS

Boston

$298 Roundtrip, found 1 day ago

$298

Roundtrip

found 1 day ago

Select United flight, departing Mon, Oct 13 from Seattle to Boston, returning Fri, Oct 17, priced at $298 found 1 day ago