$67 Cheap Frontier Airlines flights Philadelphia (PHL) to Chicago (ORD)

$67 Cheap Frontier Airlines flights Philadelphia (PHL) to Chicago (ORD)

Prices were available within the past 7 days and start at $67 for one-way flights and $134 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Aug 28 - Thu, Sep 4

PHL

Philadelphia

ORD

Chicago

$134 Roundtrip, found 6 days ago

$134

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Thu, Aug 28 from Philadelphia to Chicago, returning Thu, Sep 4, priced at $134 found 6 days ago

Fri, Aug 29 - Thu, Sep 4

PHL

Philadelphia

ORD

Chicago

$157 Roundtrip, found 6 days ago

$157

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Fri, Aug 29 from Philadelphia to Chicago, returning Thu, Sep 4, priced at $157 found 6 days ago

Fri, Sep 19 - Mon, Sep 22

PHL

Philadelphia

ORD

Chicago

$176 Roundtrip, found 7 hours ago

$176

Roundtrip

found 7 hours ago

Select Frontier Airlines flight, departing Fri, Sep 19 from Philadelphia to Chicago, returning Mon, Sep 22, priced at $176 found 7 hours ago

Thu, Sep 18 - Fri, Sep 19

PHL

Philadelphia

ORD

Chicago

$179 Roundtrip, found 13 hours ago

$179

Roundtrip

found 13 hours ago

Select Frontier Airlines flight, departing Thu, Sep 18 from Philadelphia to Chicago, returning Fri, Sep 19, priced at $179 found 13 hours ago

Thu, Aug 28 - Sat, Aug 30

PHL

Philadelphia

ORD

Chicago

$194 Roundtrip, found 6 days ago

$194

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Thu, Aug 28 from Philadelphia to Chicago, returning Sat, Aug 30, priced at $194 found 6 days ago

Sun, Sep 14 - Sat, Sep 20

PHL

Philadelphia

ORD

Chicago

$203 Roundtrip, found 13 hours ago

$203

Roundtrip

found 13 hours ago

Select Frontier Airlines flight, departing Sun, Sep 14 from Philadelphia to Chicago, returning Sat, Sep 20, priced at $203 found 13 hours ago