$104 Cheap Frontier Airlines flights Philadelphia (PHL) to Chicago (ORD)

$104 Cheap Frontier Airlines flights Philadelphia (PHL) to Chicago (ORD)

Prices were available within the past 7 days and start at $104 for one-way flights and $174 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Sep 11 - Sat, Sep 13

PHL

Philadelphia

ORD

Chicago

$174 Roundtrip, found 19 hours ago

$174

Roundtrip

found 19 hours ago

Select Frontier Airlines flight, departing Thu, Sep 11 from Philadelphia to Chicago, returning Sat, Sep 13, priced at $174 found 19 hours ago

Fri, Aug 8 - Mon, Aug 11

PHL

Philadelphia

ORD

Chicago

$189 Roundtrip, found 10 hours ago

$189

Roundtrip

found 10 hours ago

Select Frontier Airlines flight, departing Fri, Aug 8 from Philadelphia to Chicago, returning Mon, Aug 11, priced at $189 found 10 hours ago

Fri, Oct 31 - Sun, Nov 2

PHL

Philadelphia

ORD

Chicago

$193 Roundtrip, found 22 hours ago

$193

Roundtrip

found 22 hours ago

Select Frontier Airlines flight, departing Fri, Oct 31 from Philadelphia to Chicago, returning Sun, Nov 2, priced at $193 found 22 hours ago

Thu, Aug 7 - Thu, Aug 14

PHL

Philadelphia

ORD

Chicago

$208 Roundtrip, found 10 hours ago

$208

Roundtrip

found 10 hours ago

Select Frontier Airlines flight, departing Thu, Aug 7 from Philadelphia to Chicago, returning Thu, Aug 14, priced at $208 found 10 hours ago

Sun, Jun 29 - Mon, Jun 30

PHL

Philadelphia

ORD

Chicago

$213 Roundtrip, found 5 days ago

$213

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Sun, Jun 29 from Philadelphia to Chicago, returning Mon, Jun 30, priced at $213 found 5 days ago