$149 Cheap United flights Philadelphia (PHL) to Seattle (SEA)

$149 Cheap United flights Philadelphia (PHL) to Seattle (SEA)

Prices were available within the past 7 days and start at $149 for one-way flights and $297 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Sep 13 - Sat, Sep 20

PHL

Philadelphia

SEA

Seattle

$297 Roundtrip, found 5 hours ago

$297

Roundtrip

found 5 hours ago

Select United flight, departing Sat, Sep 13 from Philadelphia to Seattle, returning Sat, Sep 20, priced at $297 found 5 hours ago

Sat, Sep 13 - Sat, Sep 20

PHL

Philadelphia

SEA

Seattle

$306 Roundtrip, found 5 hours ago

$306

Roundtrip

found 5 hours ago

Select United flight, departing Sat, Sep 13 from Philadelphia to Seattle, returning Sat, Sep 20, priced at $306 found 5 hours ago

Sat, Sep 13 - Sat, Sep 20

PHL

Philadelphia

SEA

Seattle

$318 Roundtrip, found 5 hours ago

$318

Roundtrip

found 5 hours ago

Select United flight, departing Sat, Sep 13 from Philadelphia to Seattle, returning Sat, Sep 20, priced at $318 found 5 hours ago

Sat, Sep 13 - Sat, Sep 20

PHL

Philadelphia

SEA

Seattle

$324 Roundtrip, found 5 hours ago

$324

Roundtrip

found 5 hours ago

Select United flight, departing Sat, Sep 13 from Philadelphia to Seattle, returning Sat, Sep 20, priced at $324 found 5 hours ago

Sat, Sep 13 - Sat, Sep 20

PHL

Philadelphia

SEA

Seattle

$327 Roundtrip, found 5 hours ago

$327

Roundtrip

found 5 hours ago

Select United flight, departing Sat, Sep 13 from Philadelphia to Seattle, returning Sat, Sep 20, priced at $327 found 5 hours ago

Sat, Sep 13 - Sat, Sep 20

PHL

Philadelphia

SEA

Seattle

$345 Roundtrip, found 5 hours ago

$345

Roundtrip

found 5 hours ago

Select United flight, departing Sat, Sep 13 from Philadelphia to Seattle, returning Sat, Sep 20, priced at $345 found 5 hours ago