
Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $97 (Kiwi.com) |
One-way from | $41 (Super.com) |
Popular in | May |
Cheapest in | February |
Average price | $193 |
Good round-trip deal | $147 or less |
Good one-way deal | $96 or less |
Fly from
Fly to
Route
Depart
Return
Price
DenverChicago
DEN - MDW
DENMDW
Denver Intl
mar. 1/13
10:35 am-4:35 pm
1 stop5h 00m
Chicago Midway
sam. 1/17
7:40 pm-9:25 pm
Nonstop2h 45m
DenverPeoria
DEN - PIA
DENPIA
Denver Intl
lun. 12/29
5:54 pm-8:51 pm
Nonstop1h 57m
Greater Peoria
lun. 1/5
3:38 pm-5:04 pm
Nonstop2h 26m
DenverChicago
DEN - MDW
DENMDW
Denver Intl
mer. 1/14
1:25 pm-4:45 pm
Nonstop2h 20m
Chicago Midway
sam. 1/17
7:40 pm-9:25 pm
Nonstop2h 45m
DenverChicago
DEN - MDW
DENMDW
Denver Intl
ven. 1/16
5:25 am-8:55 am
Nonstop2h 30m
Chicago Midway
mar. 1/20
2:10 pm-3:50 pm
Nonstop2h 40m
DenverChicago
DEN - ORD
DENORD
Denver Intl
mar. 12/30
7:45 am-11:25 am
Nonstop2h 40m
Chicago O'Hare Intl
sam. 1/10
3:59 pm-5:57 pm
Nonstop2h 58m
DenverChicago
DEN - ORD
DENORD
Denver Intl
sam. 12/6
8:30 pm-11:59 pm
Nonstop2h 29m
Chicago O'Hare Intl
sam. 12/13
6:15 pm-8:04 pm
Nonstop2h 49m
DenverChicago
DEN - MDW
DENMDW
Denver Intl
mer. 12/3
8:00 am-11:25 am
Nonstop2h 25m
Chicago Midway
mer. 12/10
9:40 am-11:20 am
Nonstop2h 40m
DenverChicago
DEN - ORD
DENORD
Denver Intl
sam. 12/6
7:50 am-11:29 am
Nonstop2h 39m
Chicago O'Hare Intl
jeu. 12/11
8:07 pm-9:56 pm
Nonstop2h 49m
DenverChicago
DEN - ORD
DENORD
Denver Intl
mer. 12/3
4:10 pm-7:44 pm
Nonstop2h 34m
Chicago O'Hare Intl
ven. 12/5
7:10 am-8:55 am
Nonstop2h 45m
DenverChicago
DEN - ORD
DENORD
Denver Intl
mer. 12/17
6:00 am-9:40 am
Nonstop2h 40m
Chicago O'Hare Intl
dim. 12/21
2:31 pm-4:29 pm
Nonstop2h 58m
Currently, July is the cheapest month in which you can book a flight from Denver to Illinois (average of $46). Flying from Denver to Illinois in June is currently the most expensive (average of $110). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
It’s optimal to fly from Denver to Illinois in the morning. By choosing this option you can save up to 29% on the cost of your flight, compared to a flight at noon.
Travelers seeking maximum savings on their Denver to Illinois flight should consider departing on Tuesday mornings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from DEN to USIL are scheduled on a Wednesday (53 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (33 on average).
Food
Entertainment
Comfort
Crew
Boarding
Overall
Reviews
Mike,Aug 2025
OKC - AUS
Food
Entertainment
Comfort
Crew
Boarding
Overall
Reviews
Mike,Aug 2025
OKC - AUS
Food
Entertainment
Comfort
Crew
Boarding
Overall
Reviews
Mike,Aug 2025
OKC - AUS
Food
Entertainment
Comfort
Crew
Boarding
Overall
Reviews
Mike,Aug 2025
OKC - AUS
Food
Entertainment
Comfort
Crew
Boarding
Overall
Reviews
Mike,Aug 2025
OKC - AUS
Food
Entertainment
Comfort
Crew
Boarding
Overall
Reviews
Mike,Aug 2025
OKC - AUS
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$66 | Average$175 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$77 | Average$144 | FlexibilityNo cancel fee | On-time88% | |
| Cheapest$156 | Average$260 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$157 | Average$429 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$166 | Average$358 | FlexibilityNo cancel fee | On-time69% |