$134 Cheap United flights Seattle (SEA) to Boston (BOS)

$134 Cheap United flights Seattle (SEA) to Boston (BOS)

Prices were available within the past 7 days and start at $134 for one-way flights and $304 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Aug 6 - Wed, Aug 27

SEA

Seattle

BOS

Boston

$304 Roundtrip, found 3 days ago

$304

Roundtrip

found 3 days ago

Select United flight, departing Wed, Aug 6 from Seattle to Boston, returning Wed, Aug 27, priced at $304 found 3 days ago

Wed, Aug 6 - Wed, Aug 27

SEA

Seattle

BOS

Boston

$317 Roundtrip, found 3 days ago

$317

Roundtrip

found 3 days ago

Select United flight, departing Wed, Aug 6 from Seattle to Boston, returning Wed, Aug 27, priced at $317 found 3 days ago

Thu, Jul 31 - Thu, Aug 21

SEA

Seattle

BOS

Boston

$317 Roundtrip, found 3 days ago

$317

Roundtrip

found 3 days ago

Select United flight, departing Thu, Jul 31 from Seattle to Boston, returning Thu, Aug 21, priced at $317 found 3 days ago

Wed, Aug 6 - Wed, Aug 27

SEA

Seattle

BOS

Boston

$319 Roundtrip, found 3 days ago

$319

Roundtrip

found 3 days ago

Select United flight, departing Wed, Aug 6 from Seattle to Boston, returning Wed, Aug 27, priced at $319 found 3 days ago

Wed, Aug 6 - Wed, Aug 27

SEA

Seattle

BOS

Boston

$321 Roundtrip, found 3 days ago

$321

Roundtrip

found 3 days ago

Select United flight, departing Wed, Aug 6 from Seattle to Boston, returning Wed, Aug 27, priced at $321 found 3 days ago

Wed, Aug 6 - Wed, Aug 27

SEA

Seattle

BOS

Boston

$322 Roundtrip, found 3 days ago

$322

Roundtrip

found 3 days ago

Select United flight, departing Wed, Aug 6 from Seattle to Boston, returning Wed, Aug 27, priced at $322 found 3 days ago