$157 Cheap United flights Philadelphia (PHL) to Seattle (SEA)

$157 Cheap United flights Philadelphia (PHL) to Seattle (SEA)

Prices were available within the past 7 days and start at $157 for one-way flights and $313 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Sep 4 - Mon, Sep 22

PHL

Philadelphia

SEA

Seattle

$313 Roundtrip, found 3 days ago

$313

Roundtrip

found 3 days ago

Select United flight, departing Thu, Sep 4 from Philadelphia to Seattle, returning Mon, Sep 22, priced at $313 found 3 days ago

Thu, Sep 4 - Mon, Sep 22

PHL

Philadelphia

SEA

Seattle

$330 Roundtrip, found 3 days ago

$330

Roundtrip

found 3 days ago

Select United flight, departing Thu, Sep 4 from Philadelphia to Seattle, returning Mon, Sep 22, priced at $330 found 3 days ago

Mon, Aug 4 - Tue, Aug 19

PHL

Philadelphia

SEA

Seattle

$337 Roundtrip, found 1 day ago

$337

Roundtrip

found 1 day ago

Select United flight, departing Mon, Aug 4 from Philadelphia to Seattle, returning Tue, Aug 19, priced at $337 found 1 day ago

Mon, Aug 4 - Mon, Aug 18

PHL

Philadelphia

SEA

Seattle

$355 Roundtrip, found 1 day ago

$355

Roundtrip

found 1 day ago

Select United flight, departing Mon, Aug 4 from Philadelphia to Seattle, returning Mon, Aug 18, priced at $355 found 1 day ago

Thu, Sep 4 - Mon, Sep 22

PHL

Philadelphia

SEA

Seattle

$355 Roundtrip, found 3 days ago

$355

Roundtrip

found 3 days ago

Select United flight, departing Thu, Sep 4 from Philadelphia to Seattle, returning Mon, Sep 22, priced at $355 found 3 days ago

Thu, Sep 4 - Mon, Sep 22

PHL

Philadelphia

SEA

Seattle

$366 Roundtrip, found 3 days ago

$366

Roundtrip

found 3 days ago

Select United flight, departing Thu, Sep 4 from Philadelphia to Seattle, returning Mon, Sep 22, priced at $366 found 3 days ago