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Cheap flights from Indiana to Illinois from $88

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 8/4. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Indiana to Illinois

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:00 am - 6:20 am
IND
-
ORD
1h 20mnonstop
United Airlines Logo
4:44 pm - 7:01 pm
ORD
-
IND
1h 17mnonstop
$177United Airlines
Tue, Jul 7 - Tue, Jul 14
United Airlines Logo
5:50 pm - 6:40 pm
SDF
-
ORD
1h 50mnonstop
United Airlines Logo
4:30 pm - 7:07 pm
ORD
-
SDF
1h 37mnonstop
$177United Airlines
Tue, Aug 4 - Tue, Aug 11
Southwest Logo
1:15 pm - 1:30 pm
SDF
-
MDW
1h 15mnonstop
Southwest Logo
6:20 pm - 8:35 pm
MDW
-
SDF
1h 15mnonstop
$177Southwest
Wed, Aug 26 - Wed, Aug 26
Southwest Logo
1:15 pm - 1:30 pm
SDF
-
MDW
1h 15mnonstop
Southwest Logo
3:05 pm - 9:30 pm
MDW
-
SDF
5h 25m
1 stop
$187Southwest
Wed, Aug 26 - Wed, Aug 26
Frontier Logo
12:53 pm - 7:53 am
CVG
-
ORD
20h 00m
1 stop
Frontier Logo
1:50 pm - 11:13 am
ORD
-
CVG
20h 23m
1 stop
$191Frontier
Mon, Jul 6 - Wed, Jul 8
Delta Logo
7:47 am - 1:00 pm
IND
-
ORD
6h 13m
1 stop
Delta Logo
7:17 pm - 12:07 am
ORD
-
IND
3h 50m
1 stop
$197Delta
Wed, Jul 1 - Tue, Jul 7
Delta Logo
2:34 pm - 8:30 pm
SDF
-
ORD
6h 56m
1 stop
Delta Logo
7:00 am - 1:51 pm
ORD
-
SDF
5h 51m
1 stop
$197Delta
Tue, Aug 4 - Tue, Aug 11
Frontier Logo
12:54 pm - 8:03 am
CVG
-
ORD
20h 09m
1 stop
Frontier Logo
1:50 pm - 11:48 am
ORD
-
CVG
20h 58m
1 stop
$208Frontier
Fri, Jul 3 - Tue, Jul 7
American Airlines Logo
7:03 am - 7:52 am
SDF
-
ORD
1h 49mnonstop
American Airlines Logo
7:09 am - 9:43 am
ORD
-
SDF
1h 34mnonstop
$215American Airlines
Thu, Sep 10 - Mon, Sep 14
American Airlines Logo
8:55 pm - 9:29 pm
IND
-
ORD
1h 34mnonstop
American Airlines Logo
9:40 pm - 11:58 pm
ORD
-
IND
1h 18mnonstop
$227American Airlines
Thu, Aug 13 - Mon, Aug 17

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American Airlines flights from Indiana to Illinois

Our best American Airlines deals on Indiana to Illinois flight tickets
American Airlines
Aug 15
CVG3:47 pmCincinnati Cinci./N. Kentucky
1h 36m
ORD4:23 pmChicago O'Hare Intl
Aug 22
ORD8:59 pmChicago O'Hare Intl
1h 30m
CVG11:29 pmCincinnati Cinci./N. Kentucky
$195
American Airlines
Oct 6
IND7:15 amIndianapolis
1h 15m
ORD7:30 amChicago O'Hare Intl
Oct 7
ORD8:00 amChicago O'Hare Intl
1h 09m
IND10:09 amIndianapolis
$201
American Airlines
Sep 10
SDF7:03 amLouisville Intl
1h 49m
ORD7:52 amChicago O'Hare Intl
Sep 14
ORD7:09 amChicago O'Hare Intl
1h 34m
SDF9:43 amLouisville Intl
$215

United Airlines flights from Indiana to Illinois

Our best United Airlines deals on Indiana to Illinois flight tickets
United Airlines
Jul 7
IND6:00 amIndianapolis
1h 20m
ORD6:20 amChicago O'Hare Intl
Jul 14
ORD4:44 pmChicago O'Hare Intl
1h 17m
IND7:01 pmIndianapolis
$177
United Airlines
Oct 19
SDF7:00 amLouisville Intl
1h 40m
ORD7:40 amChicago O'Hare Intl
Oct 28
ORD7:25 amChicago O'Hare Intl
1h 20m
SDF9:45 amLouisville Intl
$196
United Airlines
Sep 5
CVG2:05 pmCincinnati Cinci./N. Kentucky
1h 34m
ORD2:39 pmChicago O'Hare Intl
Sep 7
ORD10:43 amChicago O'Hare Intl
1h 26m
CVG1:09 pmCincinnati Cinci./N. Kentucky
$213

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 June 11, 2026.
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

Cheapest round-trip

IndianapolisChicago

IND - ORD

INDORD

Indianapolis

Tue 7/7

6:00 am-6:20 am

Nonstop1h 20m

Chicago O'Hare Intl

Tue 7/14

4:44 pm-7:01 pm

Nonstop1h 17m

$177

LouisvilleChicago

SDF - ORD

SDFORD

Louisville Intl

Tue 8/4

5:50 pm-6:40 pm

Nonstop1h 50m

Chicago O'Hare Intl

Tue 8/11

4:30 pm-7:07 pm

Nonstop1h 37m

$177
Quickest round-trip

LouisvilleChicago

SDF - MDW

SDFMDW

Louisville Intl

Wed 8/26

1:15 pm-1:30 pm

Nonstop1h 15m

Chicago Midway

Wed 8/26

6:20 pm-8:35 pm

Nonstop1h 15m

$177

LouisvilleChicago

SDF - MDW

SDFMDW

Louisville Intl

Wed 8/26

1:15 pm-1:30 pm

Nonstop1h 15m

Chicago Midway

Wed 8/26

3:05 pm-9:30 pm

1 stop5h 25m

$187

CincinnatiChicago

CVG - ORD

CVGORD

Cincinnati Cinci./N. Kentucky

Mon 7/6

12:53 pm-7:53 am

1 stop20h 00m

Chicago O'Hare Intl

Wed 7/8

1:50 pm-11:13 am

1 stop20h 23m

$191

IndianapolisChicago

IND - ORD

INDORD

Indianapolis

Wed 7/1

7:47 am-1:00 pm

1 stop6h 13m

Chicago O'Hare Intl

Tue 7/7

7:17 pm-12:07 am

1 stop3h 50m

$197

LouisvilleChicago

SDF - ORD

SDFORD

Louisville Intl

Tue 8/4

2:34 pm-8:30 pm

1 stop6h 56m

Chicago O'Hare Intl

Tue 8/11

7:00 am-1:51 pm

1 stop5h 51m

$197

CincinnatiChicago

CVG - ORD

CVGORD

Cincinnati Cinci./N. Kentucky

Fri 7/3

12:54 pm-8:03 am

1 stop20h 09m

Chicago O'Hare Intl

Tue 7/7

1:50 pm-11:48 am

1 stop20h 58m

$208

LouisvilleChicago

SDF - ORD

SDFORD

Louisville Intl

Thu 9/10

7:03 am-7:52 am

Nonstop1h 49m

Chicago O'Hare Intl

Mon 9/14

7:09 am-9:43 am

Nonstop1h 34m

$215

IndianapolisChicago

IND - ORD

INDORD

Indianapolis

Thu 8/13

8:55 pm-9:29 pm

Nonstop1h 34m

Chicago O'Hare Intl

Mon 8/17

9:40 pm-11:58 pm

Nonstop1h 18m

$227

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 January. Flight prices, which tend to average around $99, 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 January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $127.

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

The cheapest day to depart from Indiana to Illinois is on a Thursday when prices can be found for as low as $522. Flights from Indiana to Illinois on a Sunday will generally be more expensive and average around $710. 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 $495. Flights in the afternoon are often more expensive with an average ticket price of $898.

What is the cheapest Indiana to Illinois flight route?

Fly from Indianapolis to Chicago O'Hare Intl for the best Indiana - Illinois flight prices

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

$193

Fastest flight time

0h 56m

Direct flights

Every day

Airports in Illinois

98 airports
The best one-way flight to Illinois from Indiana in the past 72 hours is $193. The best round-trip flight deal from Indiana to Illinois found on momondo in the last 72 hours is $311.
The fastest flight from Indiana to Illinois takes 0h 56m
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

Frequently asked questions about flying from Indiana to Illinois

  • 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 $157Free CancellationRating
7.1
11,640 reviews
Search American Airlines flights
United AirlinesPriceFrom $157Free CancellationRating
7.4
9,804 reviews
Search United Airlines flights
SouthwestPriceFrom $192Free CancellationRating
7.9
4,235 reviews
Search Southwest 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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