Flights from Chicago to Denver

Our cheapest offers for flights from Chicago to Denver

Here you can compare cheap flights from Chicago (CHI) to Denver (DEN) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Denver. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
Chicago
Denver
Outbound
04/21/25
1 Stopover (LAS)
F92145, F91994
08h 55min
Return
05/19/25
direct
F93174
02h 30min
Frontier Airlines
$81
Best option
Chicago
Denver
Outbound
04/12/25
direct
F93173
02h 57min
Return
04/27/25
direct
F93174
02h 22min
Frontier Airlines
$133
found yesterday
Chicago
Denver
Outbound
04/21/25
1 Stopover (PHX)
F91827, F94754
08h 29min
Return
05/19/25
direct
F93174
02h 30min
Frontier Airlines
$87
Chicago
Denver
Outbound
04/21/25
1 Stopover (LAS)
F92145, F91994
08h 55min
Return
05/19/25
direct
F93174
02h 30min
Frontier Airlines ?
$89
Chicago
Denver
Outbound
04/21/25
1 Stopover (LAS)
F92145, F91994
08h 55min
Return
05/19/25
direct
F93174
02h 30min
Frontier Airlines
$100
Chicago
Denver
Outbound
04/21/25
1 Stopover (LAS)
F92145, F91994
08h 55min
Return
05/19/25
direct
F93174
02h 30min
Frontier Airlines
$105
Chicago
Denver
Outbound
04/12/25
direct
F93173
02h 57min
Return
04/27/25
direct
F93174
02h 22min
Frontier Airlines
$147
found yesterday
Chicago
Denver
Outbound
04/12/25
direct
F93173
02h 57min
Return
04/27/25
direct
F93174
02h 22min
Frontier Airlines
$149
found yesterday
Chicago
Denver
Outbound
06/20/25
direct
F91483
02h 52min
Return
07/19/25
direct
F93174
02h 38min
Frontier Airlines ?
$177
Chicago
Denver
Outbound
04/12/25
direct
F93173
02h 57min
Return
04/27/25
direct
UA1476
02h 30min
Frontier Airlines ?
$195
found yesterday
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from Chicago to Denver

Favorite airline: United Airlines
81 % of flights booked on the route from Chicago to Denver are booked with United Airlines, Delta and American Airlines.
United Airlines
57 %
Delta
13 %
American Airlines
11 %
Cheapest weekday: Saturday
The cheapest ticket prices are available for flights departing on Saturday.
Direct flights are more expensive
Flights with a stopover are on average $34.00 cheaper than direct flights.
non stop flight
1 stop
02h 49min
11h 45min
$ 171
$ 137
The favorite connection is non-stop
67 % of all bookings on the route Chicago to Denver are for non-stop flights.
Route
bookings
Direct flights
02h 49min, from $ 171
67 %
1 stopover Minneapolis - St. Paul International Airport, MN
11h 45min, from $ 137
14 %
1 stopover Hartsfield-Jackson Atlanta International Airport, GA
06h 09min, from $ 212
8 %

Useful information about the flight from Chicago to Denver

Flights from Chicago to Denver

Whether you are rushing over for a business meeting or are heading over for some mountain air in the mile high city, the route from Chicago (CHI) to Denver (DEN) has a lot to offer. The flight time is usually around 3 hours, covering around 920 miles. Airlines offering a direct flight include Spirit, United, American, Frontier, US Airways and Southwest.

Cheap flights from Chicago to Denver

Fortunately, popular flight routes like these are not short of cheap tickets. This one is no different. To purchase a low cost flight to Denver though, it is important to compare prices and availability online. Taking hand luggage only, flexibility in the dates of travel, booking during the off-peak season and buying an air ticket well in advance of travel will greatly help to keep prices down.

Destination Denver

Denver has a diverse array of attractions drawing travelers to its streets such as a popular zoo and beautiful botanical gardens. What is even better is that they are all easily reached upon landing. The airport has a Ground Transportation counter (located in the central area on level 5 of the Jeppesen terminal) to advise travelers on the manifold bus, commuter shuttles and taxi services on offer. Hotel shuttles are also provided as a courtesy by most of the hotels within the immediate vicinity of the airport.

Important flight information

Flight information: Chicago - Denver

Roundtrip from $ 80,34
Flight duration min. 02:38 / max. 09:35
Return flight duration min. 02:10/ max. 10:50
Distance 1450 km
Flights per week 256
Departure airport Airport Chicago-IL all Airports (ORD, MDW, RFD) (CHI)
Arrival airport Airport Denver International Airport, CO (DEN)
Destination country Flights to United States
Alternative routes to United States
Alternative flights to Denver
Flight destinations with a similar price
Flight destinations with a similar price