$45 Cheap Frontier Airlines flights Philadelphia (PHL) to Chicago (ORD)

$45 Cheap Frontier Airlines flights Philadelphia (PHL) to Chicago (ORD)

Prices were available within the past 7 days and start at $45 for one-way flights and $118 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Apr 30 - Thu, May 7

PHL

Philadelphia

ORD

Chicago

$118 Roundtrip, found 1 day ago

$118

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Apr 30 from Philadelphia to Chicago, returning Thu, May 7, priced at $118 found 1 day ago

Sat, May 30 - Mon, Jun 15

PHL

Philadelphia

ORD

Chicago

$119 Roundtrip, found 5 days ago

$119

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Sat, May 30 from Philadelphia to Chicago, returning Mon, Jun 15, priced at $119 found 5 days ago

Thu, Apr 30 - Tue, May 5

PHL

Philadelphia

ORD

Chicago

$124 Roundtrip, found 1 day ago

$124

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Apr 30 from Philadelphia to Chicago, returning Tue, May 5, priced at $124 found 1 day ago

Mon, May 4 - Thu, May 7

PHL

Philadelphia

ORD

Chicago

$138 Roundtrip, found 1 day ago

$138

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, May 4 from Philadelphia to Chicago, returning Thu, May 7, priced at $138 found 1 day ago

Sat, May 9 - Thu, May 28

PHL

Philadelphia

ORD

Chicago

$139 Roundtrip, found 5 days ago

$139

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Sat, May 9 from Philadelphia to Chicago, returning Thu, May 28, priced at $139 found 5 days ago

Tue, May 5 - Sat, May 16

PHL

Philadelphia

ORD

Chicago

$140 Roundtrip, found 5 days ago

$140

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Tue, May 5 from Philadelphia to Chicago, returning Sat, May 16, priced at $140 found 5 days ago