$257 Cheap Frontier Airlines flights Chicago (ORD) to Philadelphia (PHL)

$257 Cheap Frontier Airlines flights Chicago (ORD) to Philadelphia (PHL)

Prices were available within the past 7 days and start at $257 for one-way flights and $388 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Dec 22 - Mon, Dec 29

ORD

Chicago

PHL

Philadelphia

$388 Roundtrip, found 1 day ago

$388

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, Dec 22 from Chicago to Philadelphia, returning Mon, Dec 29, priced at $388 found 1 day ago

Thu, Dec 25 - Thu, Jan 1

ORD

Chicago

PHL

Philadelphia

$396 Roundtrip, found 1 day ago

$396

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Dec 25 from Chicago to Philadelphia, returning Thu, Jan 1, priced at $396 found 1 day ago

Thu, Dec 25 - Thu, Jan 1

ORD

Chicago

PHL

Philadelphia

$401 Roundtrip, found 1 day ago

$401

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Dec 25 from Chicago to Philadelphia, returning Thu, Jan 1, priced at $401 found 1 day ago