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
14 Aug
ORD
3:58 pm
Chicago O'Hare Intl airport
2h 54m
5:52 pm
DEN
Denver Intl airport
Frontier
20 Aug
DEN
12:00 am
Denver Intl airport
2h 36m
3:36 am
ORD
Chicago O'Hare Intl airport
91 USD
Spirit Airlines
Spirit Airlines
20 Aug
ORD
7:35 am
Chicago O'Hare Intl airport
2h 40m
9:15 am
DEN
Denver Intl airport
Spirit Airlines
22 Aug
DEN
11:45 pm
Denver Intl airport
2h 34m
3:19 am
+1
ORD
Chicago O'Hare Intl airport
91 USD
Frontier
Frontier
14 Aug
ORD
3:58 pm
Chicago O'Hare Intl airport
2h 54m
5:52 pm
DEN
Denver Intl airport
Frontier
20 Aug
DEN
12:00 am
Denver Intl airport
2h 36m
3:36 am
ORD
Chicago O'Hare Intl airport
91 USD
Southwest
Southwest
01 Oct
MDW
1:30 am
Chicago Midway airport
2h 35m
3:05 am
DEN
Denver Intl airport
Southwest
07 Oct
DEN
3:35 pm
Denver Intl airport
2h 15m
6:50 pm
MDW
Chicago Midway airport
137 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
3:24 pm
Denver Intl airport
2h 29m
6:53 pm
ORD
Chicago O'Hare Intl airport
109 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
3:24 pm
Denver Intl airport
2h 29m
6:53 pm
ORD
Chicago O'Hare Intl airport
109 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
CHEAPEST MONTH TO FLY
May
The cheapest time of year to fly to Denver from Chicago is May. Most expensive is July
CHEAPEST DAY TO FLY
Tuesday
The cheapest day of the week is typically Tuesday. The most expensive is typically Friday
CHEAPEST TIME TO FLY
in the evening
Chicago to Denver flights are approximately 118% more expensive at noon than in the evening
CHEAPEST AIRLINE
Sun Country Air
Sun Country Air, Spirit Airlines, and Frontier are the most popular carriers operating from Chicago to Denver
CHEAPEST ROUTE
Chicago O'Hare Intl - Denver Intl
Fly from Chicago O'Hare Intl to Denver Intl for the best Chicago - Denver flight prices
CHEAPEST TIME TO BOOK
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 25m
The fastest flight from Chicago to Denver takes 2h 25m.
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)

Flights from Chicago to:

Flights to Denver from:

  • Chicago
  • Illinois
  • United States
  • North America