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Cheap flights from Denver (DEN) to Chicago (CHI)

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1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
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How to find the cheapest flight from Denver (DEN) to Chicago (CHI)

How to find the cheapest flight from Denver (DEN) to Chicago (CHI)
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How to find the cheapest flight from Denver (DEN) to Chicago (CHI)
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How to find the cheapest flight from Denver (DEN) to Chicago (CHI)
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Cheap flights from Denver to Chicago in March , April 2026

21 Mar - 11 Apr $ 82.00
DEN
Denver
Frontier Airlines
DIRECT
CHI
Chicago
CHI
Chicago
Frontier Airlines
DIRECT
DEN
Denver
Pick dates
10 Mar - 04 Apr $ 145.00
DEN
Denver
Frontier Airlines
1 STOPS
CHI
Chicago
CHI
Chicago
Frontier Airlines
DIRECT
DEN
Denver
Pick dates
09 Mar - 08 Apr $ 152.00
DEN
Denver
Frontier Airlines
DIRECT
CHI
Chicago
CHI
Chicago
Frontier Airlines
DIRECT
DEN
Denver
Pick dates

Last minute flights from Denver to Chicago

10 Mar - 31 Mar $ 246.00
DEN
Denver
Hawaiian Airlines
1 STOPS
CHI
Chicago
CHI
Chicago
Hawaiian Airlines
1 STOPS
DEN
Denver
Pick dates
28 Mar - 31 Mar $ 277.00
DEN
Denver
United Airlines
DIRECT
CHI
Chicago
CHI
Chicago
United Airlines
DIRECT
DEN
Denver
Pick dates
07 Mar - 31 Mar $ 329.00
DEN
Denver
United Airlines
DIRECT
CHI
Chicago
CHI
Chicago
United Airlines
DIRECT
DEN
Denver
Pick dates

One-way flights to Chicago from Denver

9:00 PM - 9:00 PM
Frontier Airlines
0 Stops
2h 38m
DEN - CHI
$ 54
Kiwi
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8:17 AM - 12:37 PM
Frontier Airlines
1 Stops
5h 58m
DEN - CHI
$ 101
Kiwi
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8:23 PM - 8:23 PM
United Airlines
0 Stops
2h 29m
DEN - CHI
$ 184
Kiwi
Pick dates

How to find the cheapest flight from Denver (DEN) to Chicago (CHI)

Related info for your journey
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How to find the cheapest flight from Denver (DEN) to Chicago (CHI)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Denver (DEN) to Chicago (CHI)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.