$146 Cheap United flights Seattle (SEA) to Boston (BOS)

$146 Cheap United flights Seattle (SEA) to Boston (BOS)

Prices were available within the past 7 days and start at $146 for one-way flights and $299 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Jan 29 - Sun, Feb 1

SEA

Seattle

BOS

Boston

$299 Roundtrip, found 1 day ago

$299

Roundtrip

found 1 day ago

Select United flight, departing Thu, Jan 29 from Seattle to Boston, returning Sun, Feb 1, priced at $299 found 1 day ago

Thu, Jan 29 - Sun, Feb 1

SEA

Seattle

BOS

Boston

$304 Roundtrip, found 1 day ago

$304

Roundtrip

found 1 day ago

Select United flight, departing Thu, Jan 29 from Seattle to Boston, returning Sun, Feb 1, priced at $304 found 1 day ago

Thu, Jan 29 - Sun, Feb 1

SEA

Seattle

BOS

Boston

$304 Roundtrip, found 1 day ago

$304

Roundtrip

found 1 day ago

Select United flight, departing Thu, Jan 29 from Seattle to Boston, returning Sun, Feb 1, priced at $304 found 1 day ago

Thu, Jan 29 - Sun, Feb 1

SEA

Seattle

BOS

Boston

$309 Roundtrip, found 1 day ago

$309

Roundtrip

found 1 day ago

Select United flight, departing Thu, Jan 29 from Seattle to Boston, returning Sun, Feb 1, priced at $309 found 1 day ago

Thu, Jan 29 - Sun, Feb 1

SEA

Seattle

BOS

Boston

$313 Roundtrip, found 1 day ago

$313

Roundtrip

found 1 day ago

Select United flight, departing Thu, Jan 29 from Seattle to Boston, returning Sun, Feb 1, priced at $313 found 1 day ago

Thu, Jan 29 - Sun, Feb 1

SEA

Seattle

BOS

Boston

$314 Roundtrip, found 1 day ago

$314

Roundtrip

found 1 day ago

Select United flight, departing Thu, Jan 29 from Seattle to Boston, returning Sun, Feb 1, priced at $314 found 1 day ago