Cheap flights from Chicago to Denver

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Easily compare round-trip flights from Chicago to Denver

Below you can see the best fares for your round-trip flight route over the next three months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Chicago to Denver by changing tabs
Quickest
Cheapest
Frontier
Frontier
04 Sep
ORD
3:55 pm
Chicago O'Hare Intl airport
2h 57m
5:52 pm
DEN
Denver Intl airport
Frontier
10 Sep
DEN
2:27 pm
Denver Intl airport
2h 32m
5:59 pm
ORD
Chicago O'Hare Intl airport
77 USD
Frontier
Frontier
04 Sep
ORD
3:55 pm
Chicago O'Hare Intl airport
2h 57m
5:52 pm
DEN
Denver Intl airport
Frontier
10 Sep
DEN
2:27 pm
Denver Intl airport
2h 32m
5:59 pm
ORD
Chicago O'Hare Intl airport
77 USD
Frontier
Frontier
10 Sep
ORD
12:20 am
Chicago O'Hare Intl airport
2h 53m
2:13 am
DEN
Denver Intl airport
Frontier
21 Sep
DEN
2:27 pm
Denver Intl airport
2h 32m
5:59 pm
ORD
Chicago O'Hare Intl airport
77 USD
American Airlines
American Airlines
08 Sep
ORD
2:00 am
Chicago O'Hare Intl airport
2h 36m
3:36 am
DEN
Denver Intl airport
American Airlines
10 Sep
DEN
3:24 pm
Denver Intl airport
2h 29m
6:53 pm
ORD
Chicago O'Hare Intl airport
99 USD
American Airlines
American Airlines
08 Sep
ORD
2:00 am
Chicago O'Hare Intl airport
2h 36m
3:36 am
DEN
Denver Intl airport
American Airlines
10 Sep
DEN
3:24 pm
Denver Intl airport
2h 29m
6:53 pm
ORD
Chicago O'Hare Intl airport
99 USD
American Airlines
American Airlines
07 Sep
ORD
2:00 am
Chicago O'Hare Intl airport
2h 36m
3:36 am
DEN
Denver Intl airport
American Airlines
11 Sep
DEN
2:27 pm
Denver Intl airport
2h 32m
5:59 pm
ORD
Chicago O'Hare Intl airport
99 USD

How to get the cheapest flight ticket from Chicago to Denver

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Denver?
May
The cheapest time of year to fly to Denver from Chicago is May. Most expensive is December
What is the cheapest day to fly to Denver?
Tuesday
The cheapest day of the week is typically Tuesday. The most expensive is typically Thursday
When is the cheapest time to fly to Denver?
in the evening
Chicago to Denver flights are approximately 24% more expensive at noon than in the evening
What is the cheapest airline that flies to Denver?
Sun Country Air
Sun Country Air, Spirit Airlines, and Frontier are the most popular carriers operating from Chicago to Denver
What is the cheapest route?
Chicago O'Hare Intl - Denver Intl
Fly from Chicago O'Hare Intl to Denver Intl for the best Chicago - Denver flight prices
When is the cheapest time to book a flight to Denver?
51 days before
The cheapest time to buy a flight from Chicago to Denver is approximately 51 days to departure
60
Days before departure
0

Flight information for Chicago to Denver (DEN - CHI)

Find info about flight duration, direct flights, and airports for your flight from Chicago to Denver
Fastest flight time 2h 30m The fastest flight from Chicago to Denver takes 2h 30m.
Direct flights Every day Direct flights go from Chicago to Denver every day.
Airports in Denver 2 airports There are 2 airports near Denver: Denver Arapahoe Co (APA), Denver Intl (DEN)

Alternative routes for Chicago to Denver

Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
Indianapolis to Denver
Fastest flight time
2h 44m
Cheapest price
134 USD

Flights from Chicago to:

Flights to Denver from:

  • Chicago
  • Illinois
  • United States
  • North America