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Cheap flights from Indiana to Illinois from $49

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 5/6. 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

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.
Frontier Logo
12:14 pm - 7:51 pm
IND
-
ORD
8h 37m
1 stop
Frontier Logo
1:59 pm - 11:03 am
ORD
-
IND
20h 04m
1 stop
$145Frontier
Wed, May 6 - Tue, May 12
Frontier Logo
12:14 pm - 7:51 pm
IND
-
ORD
8h 37m
1 stop
Frontier Logo
1:59 pm - 11:23 am
ORD
-
IND
20h 24m
1 stop
$153Frontier
Wed, May 6 - Thu, May 7
Multiple Airlines Logo
12:34 pm - 10:39 pm
IND
-
ORD
11h 05m
1 stop
Multiple Airlines Logo
1:27 pm - 11:21 am
ORD
-
IND
20h 54m
1 stop
$156Multiple Airlines
Fri, May 1 - Mon, May 4
United Airlines Logo
1:55 pm - 2:10 pm
IND
-
ORD
1h 15mnonstop
United Airlines Logo
11:00 pm - 12:59 am
ORD
-
IND
0h 59mnonstop
$157United Airlines
Tue, May 5 - Wed, May 6
Multiple Airlines Logo
12:34 pm - 10:39 pm
IND
-
ORD
11h 05m
1 stop
Multiple Airlines Logo
1:00 pm - 11:21 am
ORD
-
IND
21h 21m
1 stop
$158Multiple Airlines
Fri, May 1 - Sun, May 3
Southwest Logo
8:35 am - 8:45 am
CVG
-
MDW
1h 10mnonstop
Southwest Logo
6:10 am - 12:10 pm
MDW
-
CVG
5h 00m
1 stop
$184Southwest
Tue, May 19 - Sat, May 23
Southwest Logo
12:05 pm - 7:35 pm
MDW
-
STL
7h 30m
1 stop
Southwest Logo
7:20 am - 8:30 am
STL
-
MDW
1h 10mnonstop
$185Southwest
Sat, May 2 - Mon, May 4
American Airlines Logo
8:39 am - 2:33 pm
ORD
-
STL
5h 54m
1 stop
American Airlines Logo
7:05 am - 8:36 am
STL
-
ORD
1h 31mnonstop
$189American Airlines
Tue, May 12 - Wed, May 13
United Airlines Logo
7:06 am - 8:39 am
ORD
-
STL
1h 33mnonstop
United Airlines Logo
7:11 pm - 8:42 pm
STL
-
ORD
1h 31mnonstop
$191United Airlines
Thu, May 7 - Sat, May 9
American Airlines Logo
7:02 am - 8:27 am
ORD
-
STL
1h 25mnonstop
American Airlines Logo
8:03 pm - 9:40 pm
STL
-
ORD
1h 37mnonstop
$193American Airlines
Sat, May 2 - Mon, May 4

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Frontier flights from Indiana to Illinois

Our best Frontier deals on Indiana to Illinois flight tickets
Frontier
May 6
IND12:14 pmIndianapolis
8h 37m
1 stop
ORD7:51 pmChicago O'Hare Intl
May 12
ORD1:59 pmChicago O'Hare Intl
20h 04m
1 stop
IND11:03 amIndianapolis
$145
Frontier
May 6
IND12:14 pmIndianapolis
8h 37m
1 stop
ORD7:51 pmChicago O'Hare Intl
May 7
ORD1:59 pmChicago O'Hare Intl
20h 24m
1 stop
IND11:23 amIndianapolis
$153
Frontier
May 1
IND12:34 pmIndianapolis
11h 05m
1 stop
ORD10:39 pmChicago O'Hare Intl
May 5
ORD1:59 pmChicago O'Hare Intl
20h 04m
1 stop
IND11:03 amIndianapolis
$163

American Airlines flights from Indiana to Illinois

Our best American Airlines deals on Indiana to Illinois flight tickets
American Airlines
May 6
IND7:43 pmIndianapolis
1h 27m
ORD8:10 pmChicago O'Hare Intl
May 7
ORD6:45 amChicago O'Hare Intl
1h 08m
IND8:53 amIndianapolis
$189
American Airlines
May 16
CVG11:11 amCincinnati Cinci./N. Kentucky
1h 34m
ORD11:45 amChicago O'Hare Intl
May 18
ORD7:14 pmChicago O'Hare Intl
1h 30m
CVG9:44 pmCincinnati Cinci./N. Kentucky
$191
American Airlines
May 7
CVG9:30 amCincinnati Cinci./N. Kentucky
1h 34m
ORD10:04 amChicago O'Hare Intl
May 11
ORD4:40 pmChicago O'Hare Intl
1h 28m
CVG7:08 pmCincinnati Cinci./N. Kentucky
$193

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 April 16, 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

Wed 5/6

12:14 pm-7:51 pm

1 stop8h 37m

Chicago O'Hare Intl

Tue 5/12

1:59 pm-11:03 am

1 stop20h 04m

$145

IndianapolisChicago

IND - ORD

INDORD

Indianapolis

Wed 5/6

12:14 pm-7:51 pm

1 stop8h 37m

Chicago O'Hare Intl

Thu 5/7

1:59 pm-11:23 am

1 stop20h 24m

$153

IndianapolisChicago

IND - ORD

INDORD

Indianapolis

Fri 5/1

12:34 pm-10:39 pm

1 stop11h 05m

Chicago O'Hare Intl

Mon 5/4

1:27 pm-11:21 am

1 stop20h 54m

$156
Quickest round-trip

IndianapolisChicago

IND - ORD

INDORD

Indianapolis

Tue 5/5

1:55 pm-2:10 pm

Nonstop1h 15m

Chicago O'Hare Intl

Wed 5/6

11:00 pm-12:59 am

Nonstop0h 59m

$157

IndianapolisChicago

IND - ORD

INDORD

Indianapolis

Fri 5/1

12:34 pm-10:39 pm

1 stop11h 05m

Chicago O'Hare Intl

Sun 5/3

1:00 pm-11:21 am

1 stop21h 21m

$158

CincinnatiChicago

CVG - MDW

CVGMDW

Cincinnati Cinci./N. Kentucky

Tue 5/19

8:35 am-8:45 am

Nonstop1h 10m

Chicago Midway

Sat 5/23

6:10 am-12:10 pm

1 stop5h 00m

$184

ChicagoSt. Louis

MDW - STL

MDWSTL

Chicago Midway

Sat 5/2

12:05 pm-7:35 pm

1 stop7h 30m

Lambert-St Louis

Mon 5/4

7:20 am-8:30 am

Nonstop1h 10m

$185

ChicagoSt. Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

Tue 5/12

8:39 am-2:33 pm

1 stop5h 54m

Lambert-St Louis

Wed 5/13

7:05 am-8:36 am

Nonstop1h 31m

$189

ChicagoSt. Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

Thu 5/7

7:06 am-8:39 am

Nonstop1h 33m

Lambert-St Louis

Sat 5/9

7:11 pm-8:42 pm

Nonstop1h 31m

$191

ChicagoSt. Louis

ORD - STL

ORDSTL

Chicago O'Hare Intl

Sat 5/2

7:02 am-8:27 am

Nonstop1h 25m

Lambert-St Louis

Mon 5/4

8:03 pm-9:40 pm

Nonstop1h 37m

$193

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 $207, 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 April is also cheap. Prices for this month can be found on momondo for an average of $234.

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 $549. Flights from Indiana to Illinois on a Sunday will generally be more expensive and average around $714. 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 $493. Flights in the afternoon are often more expensive with an average ticket price of $886.

What is the cheapest Indiana to Illinois flight route?

Fly from Lafayette Purdue University to Chicago O'Hare Intl 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 $301 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 $133 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.

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

$148

Fastest flight time

0h 55m

Direct flights

Every day

Airports in Illinois

98 airports
The best one-way flight to Illinois from Indiana in the past 72 hours is $148. The best round-trip flight deal from Indiana to Illinois found on momondo in the last 72 hours is $342.
The fastest flight from Indiana to Illinois takes 0h 55m
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 $137Free CancellationRating
7.1
11,584 reviews
Search American Airlines flights
United AirlinesPriceFrom $157Free CancellationRating
7.4
9,594 reviews
Search United Airlines flights
SouthwestPriceFrom $192Free CancellationRating
8.0
4,328 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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Find better results for your trip to Illinois

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