$104 Cheap Frontier Airlines flights Denver (DEN) to Chicago (ORD)

$104 Cheap Frontier Airlines flights Denver (DEN) to Chicago (ORD)

Prices were available within the past 7 days and start at $104 for one-way flights and $148 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Jul 4 - Thu, Jul 10

DEN

Denver

ORD

Chicago

$148 Roundtrip, found 7 hours ago

$148

Roundtrip

found 7 hours ago

Select Frontier Airlines flight, departing Fri, Jul 4 from Denver to Chicago, returning Thu, Jul 10, priced at $148 found 7 hours ago

Fri, Jul 4 - Wed, Jul 9

DEN

Denver

ORD

Chicago

$169 Roundtrip, found 9 hours ago

$169

Roundtrip

found 9 hours ago

Select Frontier Airlines flight, departing Fri, Jul 4 from Denver to Chicago, returning Wed, Jul 9, priced at $169 found 9 hours ago

Tue, Jul 8 - Sun, Jul 13

DEN

Denver

ORD

Chicago

$171 Roundtrip, found 2 days ago

$171

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Tue, Jul 8 from Denver to Chicago, returning Sun, Jul 13, priced at $171 found 2 days ago

Fri, Jul 4 - Tue, Jul 8

DEN

Denver

ORD

Chicago

$182 Roundtrip, found 9 hours ago

$182

Roundtrip

found 9 hours ago

Select Frontier Airlines flight, departing Fri, Jul 4 from Denver to Chicago, returning Tue, Jul 8, priced at $182 found 9 hours ago

Tue, Jul 8 - Thu, Jul 10

DEN

Denver

ORD

Chicago

$184 Roundtrip, found 7 hours ago

$184

Roundtrip

found 7 hours ago

Select Frontier Airlines flight, departing Tue, Jul 8 from Denver to Chicago, returning Thu, Jul 10, priced at $184 found 7 hours ago

Tue, Jul 1 - Wed, Jul 9

DEN

Denver

ORD

Chicago

$192 Roundtrip, found 9 hours ago

$192

Roundtrip

found 9 hours ago

Select Frontier Airlines flight, departing Tue, Jul 1 from Denver to Chicago, returning Wed, Jul 9, priced at $192 found 9 hours ago