$161 Cheap United flights Philadelphia (PHL) to Seattle (SEA)

$161 Cheap United flights Philadelphia (PHL) to Seattle (SEA)

Prices were available within the past 7 days and start at $161 for one-way flights and $273 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Oct 10 - Wed, Oct 14

PHL

Philadelphia

SEA

Seattle

$273 Roundtrip, found 14 hours ago

$273

Roundtrip

found 14 hours ago

Select United flight, departing Sat, Oct 10 from Philadelphia to Seattle, returning Wed, Oct 14, priced at $273 found 14 hours ago

Sat, Oct 10 - Wed, Oct 14

PHL

Philadelphia

SEA

Seattle

$300 Roundtrip, found 14 hours ago

$300

Roundtrip

found 14 hours ago

Select United flight, departing Sat, Oct 10 from Philadelphia to Seattle, returning Wed, Oct 14, priced at $300 found 14 hours ago

Sat, Oct 10 - Wed, Oct 14

PHL

Philadelphia

SEA

Seattle

$301 Roundtrip, found 14 hours ago

$301

Roundtrip

found 14 hours ago

Select United flight, departing Sat, Oct 10 from Philadelphia to Seattle, returning Wed, Oct 14, priced at $301 found 14 hours ago

Tue, Aug 25 - Fri, Aug 28

PHL

Philadelphia

SEA

Seattle

$304 Roundtrip, found 15 hours ago

$304

Roundtrip

found 15 hours ago

Select United flight, departing Tue, Aug 25 from Philadelphia to Seattle, returning Fri, Aug 28, priced at $304 found 15 hours ago

Tue, Aug 25 - Fri, Aug 28

PHL

Philadelphia

SEA

Seattle

$309 Roundtrip, found 15 hours ago

$309

Roundtrip

found 15 hours ago

Select United flight, departing Tue, Aug 25 from Philadelphia to Seattle, returning Fri, Aug 28, priced at $309 found 15 hours ago

Tue, Aug 25 - Fri, Aug 28

PHL

Philadelphia

SEA

Seattle

$322 Roundtrip, found 15 hours ago

$322

Roundtrip

found 15 hours ago

Select United flight, departing Tue, Aug 25 from Philadelphia to Seattle, returning Fri, Aug 28, priced at $322 found 15 hours ago