$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 $237 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Nov 18 - Wed, Dec 3

SEA

Seattle

BOS

Boston

$237 Roundtrip, found 4 days ago

$237

Roundtrip

found 4 days ago

Select United flight, departing Tue, Nov 18 from Seattle to Boston, returning Wed, Dec 3, priced at $237 found 4 days ago

Tue, Nov 18 - Wed, Dec 3

SEA

Seattle

BOS

Boston

$269 Roundtrip, found 4 days ago

$269

Roundtrip

found 4 days ago

Select United flight, departing Tue, Nov 18 from Seattle to Boston, returning Wed, Dec 3, priced at $269 found 4 days ago

Tue, Nov 18 - Wed, Dec 3

SEA

Seattle

BOS

Boston

$292 Roundtrip, found 4 days ago

$292

Roundtrip

found 4 days ago

Select United flight, departing Tue, Nov 18 from Seattle to Boston, returning Wed, Dec 3, priced at $292 found 4 days ago

Tue, Nov 18 - Wed, Dec 3

SEA

Seattle

BOS

Boston

$319 Roundtrip, found 4 days ago

$319

Roundtrip

found 4 days ago

Select United flight, departing Tue, Nov 18 from Seattle to Boston, returning Wed, Dec 3, priced at $319 found 4 days ago

Tue, Nov 18 - Wed, Dec 3

SEA

Seattle

BOS

Boston

$326 Roundtrip, found 4 days ago

$326

Roundtrip

found 4 days ago

Select United flight, departing Tue, Nov 18 from Seattle to Boston, returning Wed, Dec 3, priced at $326 found 4 days ago

Tue, Nov 18 - Wed, Dec 3

SEA

Seattle

BOS

Boston

$332 Roundtrip, found 4 days ago

$332

Roundtrip

found 4 days ago

Select United flight, departing Tue, Nov 18 from Seattle to Boston, returning Wed, Dec 3, priced at $332 found 4 days ago