$44 Cheap Frontier Airlines flights Philadelphia (PHL) to Chicago (ORD)

$44 Cheap Frontier Airlines flights Philadelphia (PHL) to Chicago (ORD)

Prices were available within the past 7 days and start at $44 for one-way flights and $130 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Dec 22 - Wed, Dec 31

PHL

Philadelphia

ORD

Chicago

$130 Roundtrip, found 4 days ago

$130

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Mon, Dec 22 from Philadelphia to Chicago, returning Wed, Dec 31, priced at $130 found 4 days ago

Sat, Dec 20 - Wed, Dec 31

PHL

Philadelphia

ORD

Chicago

$155 Roundtrip, found 1 day ago

$155

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, Dec 20 from Philadelphia to Chicago, returning Wed, Dec 31, priced at $155 found 1 day ago

Mon, Dec 22 - Thu, Jan 1

PHL

Philadelphia

ORD

Chicago

$173 Roundtrip, found 4 days ago

$173

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Mon, Dec 22 from Philadelphia to Chicago, returning Thu, Jan 1, priced at $173 found 4 days ago

Tue, Dec 23 - Wed, Dec 31

PHL

Philadelphia

ORD

Chicago

$181 Roundtrip, found 4 days ago

$181

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Tue, Dec 23 from Philadelphia to Chicago, returning Wed, Dec 31, priced at $181 found 4 days ago

Mon, Dec 22 - Wed, Dec 31

PHL

Philadelphia

ORD

Chicago

$193 Roundtrip, found 1 day ago

$193

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, Dec 22 from Philadelphia to Chicago, returning Wed, Dec 31, priced at $193 found 1 day ago

Sat, Dec 20 - Fri, Jan 2

PHL

Philadelphia

ORD

Chicago

$198 Roundtrip, found 1 day ago

$198

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, Dec 20 from Philadelphia to Chicago, returning Fri, Jan 2, priced at $198 found 1 day ago