$82 Cheap Frontier Airlines flights Chicago (ORD) to Philadelphia (PHL)

$82 Cheap Frontier Airlines flights Chicago (ORD) to Philadelphia (PHL)

Prices were available within the past 7 days and start at $82 for one-way flights and $122 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Jul 31 - Thu, Aug 7

ORD

Chicago

PHL

Philadelphia

$122 Roundtrip, found 14 hours ago

$122

Roundtrip

found 14 hours ago

Select Frontier Airlines flight, departing Thu, Jul 31 from Chicago to Philadelphia, returning Thu, Aug 7, priced at $122 found 14 hours ago

Sun, Aug 3 - Thu, Aug 7

ORD

Chicago

PHL

Philadelphia

$153 Roundtrip, found 14 hours ago

$153

Roundtrip

found 14 hours ago

Select Frontier Airlines flight, departing Sun, Aug 3 from Chicago to Philadelphia, returning Thu, Aug 7, priced at $153 found 14 hours ago

Mon, May 12 - Sun, May 18

ORD

Chicago

PHL

Philadelphia

$174 Roundtrip, found 6 days ago

$174

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Mon, May 12 from Chicago to Philadelphia, returning Sun, May 18, priced at $174 found 6 days ago

Sun, Aug 3 - Fri, Aug 8

ORD

Chicago

PHL

Philadelphia

$184 Roundtrip, found 14 hours ago

$184

Roundtrip

found 14 hours ago

Select Frontier Airlines flight, departing Sun, Aug 3 from Chicago to Philadelphia, returning Fri, Aug 8, priced at $184 found 14 hours ago

Sat, May 17 - Mon, May 19

ORD

Chicago

TTN

Trenton

$198 Roundtrip, found 6 days ago

$198

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Sat, May 17 from Chicago to Trenton, returning Mon, May 19, priced at $198 found 6 days ago

Thu, May 15 - Fri, May 16

ORD

Chicago

TTN

Trenton

$208 Roundtrip, found 6 days ago

$208

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Thu, May 15 from Chicago to Trenton, returning Fri, May 16, priced at $208 found 6 days ago