$38 Cheap Frontier Airlines flights Denver (DEN) to Chicago (CHI)

$38 Cheap Frontier Airlines flights Denver (DEN) to Chicago (CHI)

Prices were available within the past 7 days and start at $38 for one-way flights and $61 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Oct 17 - Sun, Oct 19

DEN

Denver

ORD

Chicago

$61 Roundtrip, just found

$61

Roundtrip

just found

Select Frontier Airlines flight, departing Fri, Oct 17 from Denver to Chicago, returning Sun, Oct 19, priced at $61 just found

Sat, Sep 13 - Mon, Sep 15

DEN

Denver

ORD

Chicago

$75 Roundtrip, just found

$75

Roundtrip

just found

Select Frontier Airlines flight, departing Sat, Sep 13 from Denver to Chicago, returning Mon, Sep 15, priced at $75 just found

Sat, Aug 30 - Wed, Sep 3

DEN

Denver

ORD

Chicago

$81 Roundtrip, found 2 hours ago

$81

Roundtrip

found 2 hours ago

Select Frontier Airlines flight, departing Sat, Aug 30 from Denver to Chicago, returning Wed, Sep 3, priced at $81 found 2 hours ago

Wed, Sep 24 - Mon, Sep 29

DEN

Denver

ORD

Chicago

$87 Roundtrip, just found

$87

Roundtrip

just found

Select Frontier Airlines flight, departing Wed, Sep 24 from Denver to Chicago, returning Mon, Sep 29, priced at $87 just found

Sat, Aug 30 - Sun, Aug 31

DEN

Denver

ORD

Chicago

$88 Roundtrip, found 1 hour ago

$88

Roundtrip

found 1 hour ago

Select Frontier Airlines flight, departing Sat, Aug 30 from Denver to Chicago, returning Sun, Aug 31, priced at $88 found 1 hour ago

Thu, Oct 23 - Mon, Oct 27

DEN

Denver

MDW

Chicago

$88 Roundtrip, found 2 hours ago

$88

Roundtrip

found 2 hours ago

Select Frontier Airlines flight, departing Thu, Oct 23 from Denver to Chicago, returning Mon, Oct 27, priced at $88 found 2 hours ago