Cheap Frontier Airlines flights Portland (PDX) to Philadelphia (PHL)

Cheap Frontier Airlines flights Portland (PDX) to Philadelphia (PHL)

Prices were available within the past 7 days and start at for one-way flights and $497 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Dec 18 - Tue, Dec 30

PDX

Portland

PHL

Philadelphia

$497 Roundtrip, found 10 hours ago

$497

Roundtrip

found 10 hours ago

Select Frontier Airlines flight, departing Thu, Dec 18 from Portland to Philadelphia, returning Tue, Dec 30, priced at $497 found 10 hours ago

Sun, Dec 21 - Tue, Dec 30

PDX

Portland

PHL

Philadelphia

$532 Roundtrip, found 10 hours ago

$532

Roundtrip

found 10 hours ago

Select Frontier Airlines flight, departing Sun, Dec 21 from Portland to Philadelphia, returning Tue, Dec 30, priced at $532 found 10 hours ago

Sun, Dec 21 - Sun, Dec 28

PDX

Portland

PHL

Philadelphia

$661 Roundtrip, found 10 hours ago

$661

Roundtrip

found 10 hours ago

Select Frontier Airlines flight, departing Sun, Dec 21 from Portland to Philadelphia, returning Sun, Dec 28, priced at $661 found 10 hours ago