Cheap Frontier Airlines flights Seattle Paine Field Intl. Airport (PAE) to Philadelphia (PHL)

Cheap Frontier Airlines flights Seattle Paine Field Intl. Airport (PAE) to Philadelphia (PHL)

Prices were available within the past 7 days and start at for one-way flights and $339 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Jul 28 - Fri, Aug 1

PAE

Seattle

PHL

Philadelphia

$339 Roundtrip, found 16 hours ago

$339

Roundtrip

found 16 hours ago

Select Frontier Airlines flight, departing Mon, Jul 28 from Seattle to Philadelphia, returning Fri, Aug 1, priced at $339 found 16 hours ago

Fri, Jul 25 - Fri, Aug 1

PAE

Seattle

PHL

Philadelphia

$344 Roundtrip, found 16 hours ago

$344

Roundtrip

found 16 hours ago

Select Frontier Airlines flight, departing Fri, Jul 25 from Seattle to Philadelphia, returning Fri, Aug 1, priced at $344 found 16 hours ago