$49 Cheap Frontier Airlines flights Denver (DEN) to Chicago (ORD)

$49 Cheap Frontier Airlines flights Denver (DEN) to Chicago (ORD)

Prices were available within the past 7 days and start at $49 for one-way flights and $66 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, May 13 - Tue, May 19

DEN

Denver

ORD

Chicago

$66 Roundtrip, found 5 days ago

$66

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Wed, May 13 from Denver to Chicago, returning Tue, May 19, priced at $66 found 5 days ago

Wed, May 13 - Sat, May 16

DEN

Denver

ORD

Chicago

$67 Roundtrip, found 5 days ago

$67

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Wed, May 13 from Denver to Chicago, returning Sat, May 16, priced at $67 found 5 days ago

Wed, May 13 - Fri, May 15

DEN

Denver

ORD

Chicago

$82 Roundtrip, found 5 days ago

$82

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Wed, May 13 from Denver to Chicago, returning Fri, May 15, priced at $82 found 5 days ago

Tue, May 19 - Fri, May 29

DEN

Denver

ORD

Chicago

$94 Roundtrip, found 1 day ago

$94

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, May 19 from Denver to Chicago, returning Fri, May 29, priced at $94 found 1 day ago

Tue, May 19 - Wed, May 27

DEN

Denver

ORD

Chicago

$96 Roundtrip, found 1 day ago

$96

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, May 19 from Denver to Chicago, returning Wed, May 27, priced at $96 found 1 day ago

Mon, May 11 - Sat, May 16

DEN

Denver

ORD

Chicago

$97 Roundtrip, found 5 days ago

$97

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Mon, May 11 from Denver to Chicago, returning Sat, May 16, priced at $97 found 5 days ago