
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $97 (United Airlines) |
One-way from | $49 (Southwest) |
Popular in | November |
Cheapest in | August |
Average price | $327 |
Good round-trip deal | $282 or less |
Good one-way deal | $161 or less |
Fly from
Fly to
Route
Depart
Return
Price
LouisvilleChicago
SDF - MDW
SDFMDW
Louisville Intl
Wed 12/3
6:45 am-7:00 am
Nonstop1h 15m
Chicago Midway
Tue 12/9
8:50 pm-11:05 pm
Nonstop1h 15m
ChicagoSt. Louis
MDW - STL
MDWSTL
Chicago Midway
Thu 1/1
8:25 am-9:40 am
Nonstop1h 15m
Lambert-St Louis
Mon 1/5
2:30 pm-3:40 pm
Nonstop1h 10m
LouisvilleChicago
SDF - MDW
SDFMDW
Louisville Intl
Thu 1/1
6:45 am-7:00 am
Nonstop1h 15m
Chicago Midway
Mon 1/5
9:30 am-11:45 am
Nonstop1h 15m
ChicagoSt. Louis
ORD - STL
ORDSTL
Chicago O'Hare Intl
Sat 12/6
9:23 pm-10:45 pm
Nonstop1h 22m
Lambert-St Louis
Tue 12/9
10:00 am-11:29 am
Nonstop1h 29m
ChicagoSt. Louis
MDW - STL
MDWSTL
Chicago Midway
Thu 12/25
5:59 pm-10:16 pm
1 stop4h 17m
Lambert-St Louis
Thu 1/1
6:05 am-11:06 am
1 stop5h 01m
LouisvilleChicago
SDF - ORD
SDFORD
Louisville Intl
Wed 12/3
12:37 pm-4:57 pm
1 stop5h 20m
Chicago O'Hare Intl
Tue 12/9
6:10 pm-11:59 pm
1 stop4h 49m
ChicagoSt. Louis
ORD - STL
ORDSTL
Chicago O'Hare Intl
Wed 12/24
9:10 pm-10:43 pm
Nonstop1h 33m
Lambert-St Louis
Wed 12/31
11:05 am-12:40 pm
Nonstop1h 35m
LouisvilleChicago
SDF - ORD
SDFORD
Louisville Intl
Wed 1/14
4:56 pm-9:42 pm
1 stop5h 46m
Chicago O'Hare Intl
Sat 1/17
5:55 pm-11:55 pm
1 stop5h 00m
LouisvilleChicago
SDF - MDW
SDFMDW
Louisville Intl
Tue 4/14
2:15 pm-6:31 pm
1 stop5h 16m
Chicago Midway
Wed 4/15
9:30 am-1:38 pm
1 stop3h 08m
ChicagoSt. Louis
ORD - STL
ORDSTL
Chicago O'Hare Intl
Wed 12/31
5:31 pm-11:38 pm
1 stop6h 07m
Lambert-St Louis
Tue 1/13
6:35 am-1:07 pm
1 stop6h 32m
Currently, August is the cheapest month in which you can book a flight from Indiana to Illinois (average of $135). Flying from Indiana to Illinois in April is currently the most expensive (average of $191). 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.
Unlike in the evening, when flights are generally more expensive, you can save up to 20% on flights from Indiana to Illinois by exploring options for tickets in the morning.
Travelers seeking maximum savings on their Indiana to Illinois flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
The most flights from USIN to USIL are scheduled on a Monday (67 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (50 on average).
Overall
Comfort
Boarding
Crew
Entertainment
Food
Reviews
Mike,Aug 2025
OKC - AUS
Overall
Comfort
Boarding
Crew
Entertainment
Food
Reviews
Mike,Aug 2025
OKC - AUS
Overall
Comfort
Boarding
Crew
Entertainment
Food
Reviews
Mike,Aug 2025
OKC - AUS
Overall
Comfort
Boarding
Crew
Entertainment
Food
Reviews
Mike,Aug 2025
OKC - AUS
Overall
Comfort
Boarding
Crew
Entertainment
Food
Reviews
Mike,Aug 2025
OKC - AUS
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$141 | Average$301 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$160 | Average$274 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$189 | Average$302 | FlexibilityNo cancel fee | On-timeN/A |