Users have found that booking a flight from Denver to Illinois at least 56 days early can save you up to 83% on average compared to booking a flight this week. If booking 56 days before your flight isn’t an option for you, users have found flights from Denver to Illinois for as little as $156 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $291 for flights departing within the next 3 days.
Due to multiple factors, expect to potentially pay more when booking in June. For low rates, April can be a great choice for travel to Illinois. Flights to Illinois from Denver in April are about $187 on average during April, but can be found for as low as $40.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Denver to Illinois as you normally would.
Fly from
Fly to
Budget
$55 - $133
Route
Depart
Return
Price
Denver IntlChicago Midway
DEN - MDW
DENMDW
Denver Intl
Sat 5/25
Nonstop2h 25m
Chicago Midway
Tue 5/28
Nonstop2h 47m
Denver IntlChicago O'Hare Intl
DEN - ORD
DENORD
Denver Intl
Sat 6/1
Nonstop2h 28m
Chicago O'Hare Intl
Sat 6/8
Nonstop2h 54m
Denver IntlLambert-St Louis
DEN - STL
DENSTL
Denver Intl
Sat 8/3
Nonstop2h 11m
Lambert-St Louis
Sat 8/10
Nonstop2h 28m
Denver IntlChicago O'Hare Intl
DEN - ORD
DENORD
Denver Intl
Tue 9/10
Nonstop2h 38m
Chicago O'Hare Intl
Tue 9/24
Nonstop2h 45m
Denver IntlChicago Midway
DEN - MDW
DENMDW
Denver Intl
Wed 6/12
Nonstop2h 22m
Chicago Midway
Wed 6/19
Nonstop2h 46m
Denver IntlLambert-St Louis
DEN - STL
DENSTL
Denver Intl
Sat 7/27
Nonstop2h 11m
Lambert-St Louis
Wed 8/7
Nonstop2h 28m
Denver IntlChicago O'Hare Intl
DEN - ORD
DENORD
Denver Intl
Fri 6/7
Nonstop2h 35m
Chicago O'Hare Intl
Mon 6/10
1 stop14h 20m
Denver IntlGreater Peoria
DEN - PIA
DENPIA
Denver Intl
Fri 5/31
Nonstop2h 02m
Greater Peoria
Mon 6/3
Nonstop2h 27m
Denver IntlChicago O'Hare Intl
DEN - ORD
DENORD
Denver Intl
Thu 6/13
1 stop5h 51m
Chicago O'Hare Intl
Fri 6/14
1 stop14h 27m
No data available for this route at this time. Please check back soon.
Comfort
Entertainment
Crew
Food
Boarding
Overall
Reviews
My original flight was delayed so they found this flight for me so I could arrive at a reasonable time
Comfort
Entertainment
Crew
Food
Boarding
Overall
Reviews
My original flight was delayed so they found this flight for me so I could arrive at a reasonable time
Comfort
Entertainment
Crew
Food
Boarding
Overall
Reviews
My original flight was delayed so they found this flight for me so I could arrive at a reasonable time
Comfort
Entertainment
Crew
Food
Boarding
Overall
Reviews
My original flight was delayed so they found this flight for me so I could arrive at a reasonable time
Comfort
Entertainment
Crew
Food
Boarding
Overall
Reviews
My original flight was delayed so they found this flight for me so I could arrive at a reasonable time
Comfort
Entertainment
Crew
Food
Boarding
Overall
Reviews
My original flight was delayed so they found this flight for me so I could arrive at a reasonable time
11%of flight departures | Early morningMidnight to 6 am |
---|---|
37%of flight departures | Morning6 am to noon |
36%of flight departures | AfternoonNoon to 6 pm |
16%of flight departures | Evening6 pm to midnight |
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