$77 Cheap Frontier Airlines flights Philadelphia (PHL) to Chicago (ORD)

$77 Cheap Frontier Airlines flights Philadelphia (PHL) to Chicago (ORD)

Prices were available within the past 7 days and start at $77 for one-way flights and $105 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Oct 25 - Sun, Nov 2

PHL

Philadelphia

ORD

Chicago

$105 Roundtrip, found 3 days ago

$105

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Sat, Oct 25 from Philadelphia to Chicago, returning Sun, Nov 2, priced at $105 found 3 days ago

Thu, Oct 30 - Sun, Nov 2

PHL

Philadelphia

ORD

Chicago

$114 Roundtrip, found 3 days ago

$114

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Thu, Oct 30 from Philadelphia to Chicago, returning Sun, Nov 2, priced at $114 found 3 days ago

Mon, Dec 8 - Fri, Dec 12

PHL

Philadelphia

ORD

Chicago

$138 Roundtrip, found 5 days ago

$138

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Mon, Dec 8 from Philadelphia to Chicago, returning Fri, Dec 12, priced at $138 found 5 days ago

Mon, Oct 27 - Fri, Oct 31

PHL

Philadelphia

ORD

Chicago

$143 Roundtrip, found 3 days ago

$143

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Mon, Oct 27 from Philadelphia to Chicago, returning Fri, Oct 31, priced at $143 found 3 days ago

Mon, Oct 27 - Fri, Oct 31

PHL

Philadelphia

ORD

Chicago

$153 Roundtrip, found 3 days ago

$153

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Mon, Oct 27 from Philadelphia to Chicago, returning Fri, Oct 31, priced at $153 found 3 days ago

Sat, Oct 25 - Sat, Nov 1

PHL

Philadelphia

ORD

Chicago

$153 Roundtrip, found 3 days ago

$153

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Sat, Oct 25 from Philadelphia to Chicago, returning Sat, Nov 1, priced at $153 found 3 days ago