$64 Cheap Frontier Airlines flights Denver (DEN) to Chicago (ORD)

$64 Cheap Frontier Airlines flights Denver (DEN) to Chicago (ORD)

Prices were available within the past 7 days and start at $64 for one-way flights and $116 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Jul 10 - Tue, Jul 15

DEN

Denver

ORD

Chicago

$116 Roundtrip, found 1 day ago

$116

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Jul 10 from Denver to Chicago, returning Tue, Jul 15, priced at $116 found 1 day ago

Sat, May 31 - Sat, Jun 7

DEN

Denver

ORD

Chicago

$128 Roundtrip, found 2 days ago

$128

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Sat, May 31 from Denver to Chicago, returning Sat, Jun 7, priced at $128 found 2 days ago

Mon, Jun 16 - Sat, Jun 21

DEN

Denver

ORD

Chicago

$134 Roundtrip, found 5 days ago

$134

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Mon, Jun 16 from Denver to Chicago, returning Sat, Jun 21, priced at $134 found 5 days ago

Mon, Jun 2 - Sun, Jun 15

DEN

Denver

ORD

Chicago

$142 Roundtrip, found 2 days ago

$142

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Mon, Jun 2 from Denver to Chicago, returning Sun, Jun 15, priced at $142 found 2 days ago

Sat, May 31 - Mon, Jun 2

DEN

Denver

ORD

Chicago

$149 Roundtrip, found 3 days ago

$149

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Sat, May 31 from Denver to Chicago, returning Mon, Jun 2, priced at $149 found 3 days ago

Mon, Jun 9 - Fri, Jun 13

DEN

Denver

ORD

Chicago

$150 Roundtrip, found 5 days ago

$150

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Mon, Jun 9 from Denver to Chicago, returning Fri, Jun 13, priced at $150 found 5 days ago