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Cheap flights from Indiana to Illinois from $59

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Indiana to Illinois departing on 1/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Indiana to Illinois

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:54 pm - 6:49 pm
SDF
-
ORD
1h 55mnonstop
United Airlines Logo
7:40 pm - 10:13 pm
ORD
-
SDF
1h 33mnonstop
$117United Airlines
Tue, Mar 3 - Wed, Mar 4
Southwest Logo
6:30 pm - 6:45 pm
SDF
-
MDW
1h 15mnonstop
Southwest Logo
10:00 am - 12:15 pm
MDW
-
SDF
1h 15mnonstop
$117Southwest
Tue, Mar 3 - Wed, Mar 4
American Airlines Logo
4:49 pm - 6:14 pm
ORD
-
STL
1h 25mnonstop
American Airlines Logo
11:05 am - 12:34 pm
STL
-
ORD
1h 29mnonstop
$117American Airlines
Wed, Jan 7 - Wed, Jan 14
Southwest Logo
6:30 pm - 6:45 pm
SDF
-
MDW
1h 15mnonstop
Southwest Logo
5:15 pm - 10:45 pm
MDW
-
SDF
4h 30m1 stop
$127Southwest
Tue, Mar 3 - Wed, Mar 4
Frontier Logo
12:38 pm - 10:46 pm
IND
-
ORD
11h 08m1 stop
Frontier Logo
5:40 am - 11:43 am
ORD
-
IND
5h 03m1 stop
$128Frontier
Fri, Jan 30 - Sun, Feb 1
Frontier Logo
1:36 pm - 11:25 pm
CVG
-
MDW
10h 49m1 stop
Frontier Logo
8:56 pm - 10:52 am
MDW
-
CVG
12h 56m1 stop
$128Frontier
Thu, Feb 19 - Sun, Feb 22
American Airlines Logo
8:50 am - 10:20 am
ORD
-
STL
1h 30mnonstop
American Airlines Logo
6:44 pm - 8:15 pm
STL
-
ORD
1h 31mnonstop
$144American Airlines
Mon, Jan 12 - Wed, Jan 14
United Airlines Logo
8:29 am - 9:13 am
SDF
-
ORD
1h 44mnonstop
United Airlines Logo
5:50 pm - 8:28 pm
ORD
-
SDF
1h 38mnonstop
$146United Airlines
Wed, Jan 14 - Sun, Jan 18
Delta Logo
6:14 pm - 11:37 pm
MDW
-
STL
5h 23m1 stop
Delta Logo
6:35 am - 12:46 pm
STL
-
MDW
6h 11m1 stop
$157Delta
Tue, Feb 3 - Tue, Mar 3
Delta Logo
7:16 pm - 11:25 pm
MDW
-
STL
4h 09m1 stop
Delta Logo
6:10 am - 12:48 pm
STL
-
MDW
6h 38m2 stops
$162Delta
Tue, Jan 6 - Tue, Jan 13

United Airlines flights from Indiana to Illinois

Our best United Airlines deals on Indiana to Illinois flight tickets
United Airlines
Mar 3
SDF5:54 pmLouisville Intl
1h 55m
ORD6:49 pmChicago O'Hare Intl
Mar 4
ORD7:40 pmChicago O'Hare Intl
1h 33m
SDF10:13 pmLouisville Intl
$117
Find similar
United Airlines
Jan 14
SDF8:29 amLouisville Intl
1h 44m
ORD9:13 amChicago O'Hare Intl
Jan 18
ORD5:50 pmChicago O'Hare Intl
1h 38m
SDF8:28 pmLouisville Intl
$146
Find similar
United Airlines
Jan 12
SDF2:05 pmLouisville Intl
1h 44m
ORD2:49 pmChicago O'Hare Intl
Jan 19
ORD7:52 pmChicago O'Hare Intl
1h 38m
SDF10:30 pmLouisville Intl
$171
Find similar

Spirit Airlines flights from Indiana to Illinois

Our best Spirit Airlines deals on Indiana to Illinois flight tickets
Spirit Airlines
Jan 8
IND8:26 pmIndianapolis
15h 56m
1 stop
ORD11:22 amChicago O'Hare Intl
Jan 15
ORD5:15 amChicago O'Hare Intl
16h 33m
1 stop
IND10:48 pmIndianapolis
$165
Find similar
Spirit Airlines
Jan 7
IND5:15 amIndianapolis
10h 06m
1 stop
ORD2:21 pmChicago O'Hare Intl
Jan 13
ORD6:05 amChicago O'Hare Intl
11h 18m
1 stop
IND6:23 pmIndianapolis
$172
Find similar
Spirit Airlines
Jan 6
IND4:51 pmIndianapolis
16h 40m
1 stop
ORD8:31 amChicago O'Hare Intl
Jan 13
ORD5:53 pmChicago O'Hare Intl
16h 33m
1 stop
IND11:26 amIndianapolis
$180
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Indiana to Illinois that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated December 11, 2025.
Use the filters below to find and compare flights from Indiana to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleChicago

SDF - ORD

SDFORD

Louisville Intl

Tue 3/3

5:54 pm-6:49 pm

Nonstop1h 55m

Chicago O'Hare Intl

Wed 3/4

7:40 pm-10:13 pm

Nonstop1h 33m

$117

LouisvilleChicago

SDF - MDW

SDFMDW

Louisville Intl

Tue 3/3

6:30 pm-6:45 pm

Nonstop1h 15m

Chicago Midway

Wed 3/4

10:00 am-12:15 pm

Nonstop1h 15m

$117

ChicagoSt. Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

Wed 1/7

4:49 pm-6:14 pm

Nonstop1h 25m

Lambert-St Louis

Wed 1/14

11:05 am-12:34 pm

Nonstop1h 29m

$117

LouisvilleChicago

SDF - MDW

SDFMDW

Louisville Intl

Tue 3/3

6:30 pm-6:45 pm

Nonstop1h 15m

Chicago Midway

Wed 3/4

5:15 pm-10:45 pm

1 stop4h 30m

$127

IndianapolisChicago

IND - ORD

INDORD

Indianapolis

Fri 1/30

12:38 pm-10:46 pm

1 stop11h 08m

Chicago O'Hare Intl

Sun 2/1

5:40 am-11:43 am

1 stop5h 03m

$128

CincinnatiChicago

CVG - MDW

CVGMDW

Cincinnati Cinci./N. Kentucky

Thu 2/19

1:36 pm-11:25 pm

1 stop10h 49m

Chicago Midway

Sun 2/22

8:56 pm-10:52 am

1 stop12h 56m

$128

ChicagoSt. Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

Mon 1/12

8:50 am-10:20 am

Nonstop1h 30m

Lambert-St Louis

Wed 1/14

6:44 pm-8:15 pm

Nonstop1h 31m

$144

LouisvilleChicago

SDF - ORD

SDFORD

Louisville Intl

Wed 1/14

8:29 am-9:13 am

Nonstop1h 44m

Chicago O'Hare Intl

Sun 1/18

5:50 pm-8:28 pm

Nonstop1h 38m

$146

ChicagoSt. Louis

MDW - STL

MDWSTL

Chicago Midway

Tue 2/3

6:14 pm-11:37 pm

1 stop5h 23m

Lambert-St Louis

Tue 3/3

6:35 am-12:46 pm

1 stop6h 11m

$157

ChicagoSt. Louis

MDW - STL

MDWSTL

Chicago Midway

Tue 1/6

7:16 pm-11:25 pm

1 stop4h 09m

Lambert-St Louis

Tue 1/13

6:10 am-12:48 pm

2 stops6h 38m

$162

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Illinois from

How to get the cheapest flight ticket from Indiana to Illinois

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from Indiana is in August. Flight prices, which tend to average around $196, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of August, then flying in December is also cheap. Prices for this month can be found on momondo for an average of $244.

What is the cheapest day to depart on your flight to Illinois?

The cheapest day to depart from Indiana to Illinois is on a Friday when prices can be found for as low as $604. Flights from Indiana to Illinois on a Monday will generally be more expensive and average around $766. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Illinois?

Our most recent data shows that the best time of day to fly to Illinois is in the morning. Flights from Indiana to Illinois during this time can be as low as $515. Flights at noon are often more expensive with an average ticket price of $1,045.

What is the cheapest Indiana to Illinois flight route?

Fly from Indianapolis to Chicago Midway for the best Indiana - Illinois flight prices

How far in advance should I book a flight to Illinois?

You are more likely to see cheaper flights to Illinois from Indiana when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $290 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Indiana for as low as $139 on momondo.

What cabin class options are available on Indiana to Illinois flights?

There are 4 cabin classes available to choose from on Indiana to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Indiana to Illinois flights?

No. A direct flight is the cheapest option for a flight between Indiana to Illinois.

Cheap Indiana to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Indiana to Illinois

Best Price Found

$194

Fastest flight time

0h 48m

Direct flights

Every day

Airports in Illinois

98 airports
The best one-way flight to Illinois from Indiana in the past 72 hours is $194. The best round-trip flight deal from Indiana to Illinois found on momondo in the last 72 hours is $254.
The fastest flight from Indiana to Illinois takes 0h 48m
Direct flights go from Indiana to Illinois every day.
There are 98 airports in Illinois. From Indiana there are direct flights to Chicago O'Hare Intl (ORD), Chicago Midway (MDW), Lambert-St Louis (STL).
Search flight deals

  • When did momondo last update prices for flights from Indiana to Illinois?

    Prices for flights from Indiana to Illinois are updated daily.

  • How many operators does momondo search for flights from Indiana to Illinois?

  • How old do you have to be to fly from Indiana to Illinois?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Indiana to Illinois.

  • What documentation or ID do you need to fly to Illinois?

    The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Indiana to Illinois?

Best airlines flying from Indiana to Illinois

Compare and see reviews for airlines that fly from Indiana to Illinois with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $138Free CancellationRating
7.2
11,050 reviews
Search American Airlines flights
United AirlinesPriceFrom $160Free CancellationRating
7.4
9,095 reviews
Search United Airlines flights
Southern / MokulelePriceFrom $189Free CancellationRating
0.0
0 reviews
Search Southern / Mokulele flights

Why use momondo?

Why should I use momondo to find a flight deal from Indiana to Illinois?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Illinois from Indiana.

Can I find flights from Indiana to Illinois with flexible booking policies on momondo?

momondo does allow users to show only those flights to Illinois from Indiana which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Indiana to Illinois?

momondo helps you find the best flight between Indiana and Illinois by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Indiana to Illinois right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Indiana to Illinois now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Illinois and let you know when they change.

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