$44 Cheap Frontier Airlines flights Denver (DEN) to Chicago (ORD)

$44 Cheap Frontier Airlines flights Denver (DEN) to Chicago (ORD)

Prices were available within the past 7 days and start at $44 for one-way flights and $86 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Jan 12 - Fri, Jan 23

DEN

Denver

ORD

Chicago

$86 Roundtrip, found 9 hours ago

$86

Roundtrip

found 9 hours ago

Select Frontier Airlines flight, departing Mon, Jan 12 from Denver to Chicago, returning Fri, Jan 23, priced at $86 found 9 hours ago

Wed, Dec 31 - Sun, Jan 18

DEN

Denver

ORD

Chicago

$93 Roundtrip, found 6 days ago

$93

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Wed, Dec 31 from Denver to Chicago, returning Sun, Jan 18, priced at $93 found 6 days ago

Thu, Feb 19 - Fri, Feb 20

DEN

Denver

ORD

Chicago

$96 Roundtrip, found 4 days ago

$96

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Thu, Feb 19 from Denver to Chicago, returning Fri, Feb 20, priced at $96 found 4 days ago

Thu, Jan 15 - Fri, Jan 23

DEN

Denver

ORD

Chicago

$97 Roundtrip, found 9 hours ago

$97

Roundtrip

found 9 hours ago

Select Frontier Airlines flight, departing Thu, Jan 15 from Denver to Chicago, returning Fri, Jan 23, priced at $97 found 9 hours ago

Thu, Feb 12 - Fri, Feb 20

DEN

Denver

ORD

Chicago

$98 Roundtrip, found 4 days ago

$98

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Thu, Feb 12 from Denver to Chicago, returning Fri, Feb 20, priced at $98 found 4 days ago

Mon, Jan 12 - Sat, Jan 24

DEN

Denver

ORD

Chicago

$106 Roundtrip, found 11 hours ago

$106

Roundtrip

found 11 hours ago

Select Frontier Airlines flight, departing Mon, Jan 12 from Denver to Chicago, returning Sat, Jan 24, priced at $106 found 11 hours ago