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

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

Prices were available within the past 7 days and start at $159 for one-way flights and $292 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Jan 21 - Wed, Jan 28

SEA

Seattle

BOS

Boston

$292 Roundtrip, found 6 days ago

$292

Roundtrip

found 6 days ago

Select United flight, departing Wed, Jan 21 from Seattle to Boston, returning Wed, Jan 28, priced at $292 found 6 days ago

Wed, Jan 21 - Wed, Jan 28

SEA

Seattle

BOS

Boston

$302 Roundtrip, found 6 days ago

$302

Roundtrip

found 6 days ago

Select United flight, departing Wed, Jan 21 from Seattle to Boston, returning Wed, Jan 28, priced at $302 found 6 days ago

Wed, Jan 21 - Thu, Jan 29

SEA

Seattle

BOS

Boston

$317 Roundtrip, found 6 days ago

$317

Roundtrip

found 6 days ago

Select United flight, departing Wed, Jan 21 from Seattle to Boston, returning Thu, Jan 29, priced at $317 found 6 days ago

Wed, Jan 21 - Thu, Jan 29

SEA

Seattle

BOS

Boston

$323 Roundtrip, found 6 days ago

$323

Roundtrip

found 6 days ago

Select United flight, departing Wed, Jan 21 from Seattle to Boston, returning Thu, Jan 29, priced at $323 found 6 days ago

Wed, Jan 21 - Thu, Jan 29

SEA

Seattle

BOS

Boston

$328 Roundtrip, found 6 days ago

$328

Roundtrip

found 6 days ago

Select United flight, departing Wed, Jan 21 from Seattle to Boston, returning Thu, Jan 29, priced at $328 found 6 days ago