$259 Cheap United flights Philadelphia (PHL) to Seattle (SEA)

$259 Cheap United flights Philadelphia (PHL) to Seattle (SEA)

Prices were available within the past 7 days and start at $259 for one-way flights and $373 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Jul 4 - Mon, Jul 13

PHL

Philadelphia

SEA

Seattle

$373 Roundtrip, found 1 day ago

$373

Roundtrip

found 1 day ago

Select United flight, departing Sat, Jul 4 from Philadelphia to Seattle, returning Mon, Jul 13, priced at $373 found 1 day ago

Sat, Jul 4 - Mon, Jul 13

PHL

Philadelphia

SEA

Seattle

$403 Roundtrip, found 1 day ago

$403

Roundtrip

found 1 day ago

Select United flight, departing Sat, Jul 4 from Philadelphia to Seattle, returning Mon, Jul 13, priced at $403 found 1 day ago

Sat, Jul 4 - Mon, Jul 13

PHL

Philadelphia

SEA

Seattle

$407 Roundtrip, found 1 day ago

$407

Roundtrip

found 1 day ago

Select United flight, departing Sat, Jul 4 from Philadelphia to Seattle, returning Mon, Jul 13, priced at $407 found 1 day ago

Sat, Jul 4 - Mon, Jul 13

PHL

Philadelphia

SEA

Seattle

$411 Roundtrip, found 1 day ago

$411

Roundtrip

found 1 day ago

Select United flight, departing Sat, Jul 4 from Philadelphia to Seattle, returning Mon, Jul 13, priced at $411 found 1 day ago

Fri, Jul 3 - Mon, Jul 13

PHL

Philadelphia

SEA

Seattle

$416 Roundtrip, found 20 hours ago

$416

Roundtrip

found 20 hours ago

Select United flight, departing Fri, Jul 3 from Philadelphia to Seattle, returning Mon, Jul 13, priced at $416 found 20 hours ago

Fri, Jul 3 - Mon, Jul 13

PHL

Philadelphia

SEA

Seattle

$420 Roundtrip, found 20 hours ago

$420

Roundtrip

found 20 hours ago

Select United flight, departing Fri, Jul 3 from Philadelphia to Seattle, returning Mon, Jul 13, priced at $420 found 20 hours ago