When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 29 days in advance, which can save you up to 42% on flights from Illinois to Denver compared to booking the week you need them. Waiting 29 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $178. For sooner than that we have options available in the next 3 days from $329.
April can be a great time to fly to Denver from Illinois with a flight ticket averaging about $192. Cheapflights users have found deals in the month of April for as cheap as $39. The most expensive prices can be found in the month of July.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Denver as you normally would.
Fly from
Fly to
Budget
$70 - $162
Route
Depart
Return
Price
Chicago MidwayDenver Intl
MDW - DEN
MDWDEN
Chicago Midway
sáb. 9/21
Nonstop2h 43m
Denver Intl
sáb. 9/28
Nonstop2h 22m
Chicago MidwayDenver Intl
MDW - DEN
MDWDEN
Chicago Midway
mié. 8/28
Nonstop2h 43m
Denver Intl
mié. 9/4
Nonstop2h 22m
Chicago O'Hare IntlDenver Intl
ORD - DEN
ORDDEN
Chicago O'Hare Intl
mar. 6/4
Nonstop2h 55m
Denver Intl
mar. 6/11
Nonstop2h 30m
Chicago MidwayDenver Intl
MDW - DEN
MDWDEN
Chicago Midway
sáb. 6/29
Nonstop2h 46m
Denver Intl
sáb. 7/6
Nonstop2h 22m
Chicago O'Hare IntlDenver Intl
ORD - DEN
ORDDEN
Chicago O'Hare Intl
mié. 6/12
1 stop14h 51m
Denver Intl
sáb. 6/15
Nonstop2h 35m
Greater PeoriaDenver Intl
PIA - DEN
PIADEN
Greater Peoria
lun. 6/3
Nonstop2h 27m
Denver Intl
vie. 6/14
Nonstop2h 04m
Chicago O'Hare IntlDenver Intl
ORD - DEN
ORDDEN
Chicago O'Hare Intl
vie. 7/5
Nonstop2h 43m
Denver Intl
vie. 7/12
Nonstop2h 35m
Moline Quad-CityDenver Intl
MLI - DEN
MLIDEN
Moline Quad-City
vie. 9/6
1 stop6h 54m
Denver Intl
mar. 9/10
1 stop6h 36m
Chicago O'Hare IntlDenver Intl
ORD - DEN
ORDDEN
Chicago O'Hare Intl
vie. 6/14
1 stop14h 27m
Denver Intl
lun. 6/17
1 stop7h 51m
No data available for this route at this time. Please check back soon.
Boarding
Food
Comfort
Crew
Entertainment
Overall
Reviews
The seats are too narrow and uncomfortable. I do appreciate that there was room for my knees. I hate the boarding circus.
Boarding
Food
Comfort
Crew
Entertainment
Overall
Reviews
The seats are too narrow and uncomfortable. I do appreciate that there was room for my knees. I hate the boarding circus.
Boarding
Food
Comfort
Crew
Entertainment
Overall
Reviews
The seats are too narrow and uncomfortable. I do appreciate that there was room for my knees. I hate the boarding circus.
Boarding
Food
Comfort
Crew
Entertainment
Overall
Reviews
The seats are too narrow and uncomfortable. I do appreciate that there was room for my knees. I hate the boarding circus.
Boarding
Food
Comfort
Crew
Entertainment
Overall
Reviews
The seats are too narrow and uncomfortable. I do appreciate that there was room for my knees. I hate the boarding circus.
Boarding
Food
Comfort
Crew
Entertainment
Overall
Reviews
The seats are too narrow and uncomfortable. I do appreciate that there was room for my knees. I hate the boarding circus.
6%of flight departures | Early morningMidnight to 6 am |
---|---|
36%of flight departures | Morning6 am to noon |
37%of flight departures | AfternoonNoon to 6 pm |
21%of flight departures | Evening6 pm to midnight |
900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Denver from Illinois today with Cheapflights!
Cheapflights simply makes it quick and affordable to book flights from Illinois to Denver by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Yes, we can. To see specific flights from Illinois to Denver with no change fees, users can toggle flexible booking options after using the search form above to find flights.
Yes, Cheapflights offers price alerts on Illinois to Denver flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.