$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 $217 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Oct 21 - Tue, Oct 28

SEA

Seattle

BOS

Boston

$217 Roundtrip, found 1 day ago

$217

Roundtrip

found 1 day ago

Select United flight, departing Tue, Oct 21 from Seattle to Boston, returning Tue, Oct 28, priced at $217 found 1 day ago

Tue, Oct 21 - Tue, Oct 28

SEA

Seattle

BOS

Boston

$237 Roundtrip, found 1 day ago

$237

Roundtrip

found 1 day ago

Select United flight, departing Tue, Oct 21 from Seattle to Boston, returning Tue, Oct 28, priced at $237 found 1 day ago

Tue, Oct 21 - Tue, Oct 28

SEA

Seattle

BOS

Boston

$252 Roundtrip, found 1 day ago

$252

Roundtrip

found 1 day ago

Select United flight, departing Tue, Oct 21 from Seattle to Boston, returning Tue, Oct 28, priced at $252 found 1 day ago

Tue, Oct 21 - Tue, Oct 28

SEA

Seattle

BOS

Boston

$258 Roundtrip, found 1 day ago

$258

Roundtrip

found 1 day ago

Select United flight, departing Tue, Oct 21 from Seattle to Boston, returning Tue, Oct 28, priced at $258 found 1 day ago

Tue, Oct 21 - Tue, Oct 28

SEA

Seattle

BOS

Boston

$263 Roundtrip, found 1 day ago

$263

Roundtrip

found 1 day ago

Select United flight, departing Tue, Oct 21 from Seattle to Boston, returning Tue, Oct 28, priced at $263 found 1 day ago

Tue, Oct 21 - Tue, Oct 28

SEA

Seattle

BOS

Boston

$267 Roundtrip, found 1 day ago

$267

Roundtrip

found 1 day ago

Select United flight, departing Tue, Oct 21 from Seattle to Boston, returning Tue, Oct 28, priced at $267 found 1 day ago