$34 Cheap Frontier Airlines flights Denver (DEN) to Chicago (CHI)

$34 Cheap Frontier Airlines flights Denver (DEN) to Chicago (CHI)

Prices were available within the past 7 days and start at $34 for one-way flights and $64 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Nov 12 - Tue, Nov 18

DEN

Denver

ORD

Chicago

$64 Roundtrip, found 2 days ago

$64

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Wed, Nov 12 from Denver to Chicago, returning Tue, Nov 18, priced at $64 found 2 days ago

Thu, Nov 13 - Tue, Nov 18

DEN

Denver

ORD

Chicago

$68 Roundtrip, found 16 hours ago

$68

Roundtrip

found 16 hours ago

Select Frontier Airlines flight, departing Thu, Nov 13 from Denver to Chicago, returning Tue, Nov 18, priced at $68 found 16 hours ago

Mon, Nov 17 - Tue, Nov 18

DEN

Denver

ORD

Chicago

$80 Roundtrip, found 16 hours ago

$80

Roundtrip

found 16 hours ago

Select Frontier Airlines flight, departing Mon, Nov 17 from Denver to Chicago, returning Tue, Nov 18, priced at $80 found 16 hours ago

Fri, Nov 14 - Tue, Nov 18

DEN

Denver

ORD

Chicago

$83 Roundtrip, found 16 hours ago

$83

Roundtrip

found 16 hours ago

Select Frontier Airlines flight, departing Fri, Nov 14 from Denver to Chicago, returning Tue, Nov 18, priced at $83 found 16 hours ago

Sat, Nov 15 - Mon, Nov 17

DEN

Denver

ORD

Chicago

$90 Roundtrip, found 6 days ago

$90

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Sat, Nov 15 from Denver to Chicago, returning Mon, Nov 17, priced at $90 found 6 days ago

Mon, Nov 17 - Mon, Nov 24

DEN

Denver

ORD

Chicago

$92 Roundtrip, found 16 hours ago

$92

Roundtrip

found 16 hours ago

Select Frontier Airlines flight, departing Mon, Nov 17 from Denver to Chicago, returning Mon, Nov 24, priced at $92 found 16 hours ago