$144 Cheap Delta flights Philadelphia (PHL) to Seattle (SEA)

$144 Cheap Delta flights Philadelphia (PHL) to Seattle (SEA)

Prices were available within the past 7 days and start at $144 for one-way flights and $298 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Jun 23 - Sat, Jul 5

PHL

Philadelphia

SEA

Seattle

$298 Roundtrip, found 23 hours ago

$298

Roundtrip

found 23 hours ago

Select Delta flight, departing Mon, Jun 23 from Philadelphia to Seattle, returning Sat, Jul 5, priced at $298 found 23 hours ago

Tue, Jul 8 - Thu, Jul 17

PHL

Philadelphia

SEA

Seattle

$309 Roundtrip, found 2 days ago

$309

Roundtrip

found 2 days ago

Select Delta flight, departing Tue, Jul 8 from Philadelphia to Seattle, returning Thu, Jul 17, priced at $309 found 2 days ago