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Cheap flights from Indianapolis to Illinois from $71

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Indianapolis to Illinois departing on 5/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Indianapolis 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 - 10:02 pm
IND
-
MDW
10h 48m
1 stop
Frontier Logo
12:24 pm - 11:03 am
MDW
-
IND
21h 39m
1 stop
$145Frontier
Wed, May 6 - Tue, May 12
Frontier Logo
12:34 pm - 10:26 pm
IND
-
MDW
10h 52m
1 stop
Frontier Logo
12:24 pm - 11:03 am
MDW
-
IND
21h 39m
1 stop
$147Frontier
Fri, May 1 - Tue, May 5
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
Southwest Logo
6:40 am - 6:35 am
IND
-
MDW
0h 55mnonstop
Southwest Logo
10:00 am - 12:05 pm
MDW
-
IND
1h 05mnonstop
$157Southwest
Wed, May 6 - Tue, May 12
American Airlines Logo
6:46 am - 7:15 am
IND
-
ORD
1h 29mnonstop
American Airlines Logo
10:31 pm - 12:55 am
ORD
-
IND
1h 24mnonstop
$158American Airlines
Wed, May 27 - Wed, Jun 3
Multiple Airlines Logo
12:14 pm - 7:55 am
IND
-
ORD
20h 41m
1 stop
Multiple Airlines Logo
8:05 am - 11:21 am
ORD
-
IND
26h 16m
1 stop
$160Multiple Airlines
Mon, Jun 1 - Wed, Jun 3
Southwest Logo
11:05 am - 4:55 pm
IND
-
MDW
6h 50m
1 stop
Southwest Logo
8:40 pm - 10:50 pm
MDW
-
IND
1h 10mnonstop
$167Southwest
Wed, May 6 - Tue, May 12

Frontier flights from Indianapolis to Illinois

Our best Frontier deals on Indianapolis 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 1
IND12:34 pmIndianapolis
10h 52m
1 stop
MDW10:26 pmChicago Midway
May 5
MDW12:24 pmChicago Midway
21h 39m
1 stop
IND11:03 amIndianapolis
$147
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

Spirit Airlines flights from Indianapolis to Illinois

Our best Spirit Airlines deals on Indianapolis to Illinois flight tickets
Spirit Airlines
Apr 26
IND6:37 pmIndianapolis
16h 46m
2 stops
ORD10:23 amChicago O'Hare Intl
Apr 29
ORD11:28 amChicago O'Hare Intl
11h 30m
2 stops
IND11:58 pmIndianapolis
$220
Spirit Airlines
May 1
IND12:07 pmIndianapolis
22h 29m
3 stops
ORD9:36 amChicago O'Hare Intl
May 4
ORD7:33 pmChicago O'Hare Intl
14h 48m
1 stop
IND11:21 amIndianapolis
$223
Spirit Airlines
Apr 26
IND12:07 pmIndianapolis
23h 16m
3 stops
ORD10:23 amChicago O'Hare Intl
Apr 29
ORD11:28 amChicago O'Hare Intl
11h 30m
2 stops
IND11:58 pmIndianapolis
$240

momondo Fare Finder

 
Customize your flight search to find flights from Indianapolis 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 Indianapolis 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 - MDW

INDMDW

Indianapolis

Wed 5/6

12:14 pm-10:02 pm

1 stop10h 48m

Chicago Midway

Tue 5/12

12:24 pm-11:03 am

1 stop21h 39m

$145

IndianapolisChicago

IND - MDW

INDMDW

Indianapolis

Fri 5/1

12:34 pm-10:26 pm

1 stop10h 52m

Chicago Midway

Tue 5/5

12:24 pm-11:03 am

1 stop21h 39m

$147

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

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
Quickest round-trip

IndianapolisChicago

IND - MDW

INDMDW

Indianapolis

Wed 5/6

6:40 am-6:35 am

Nonstop0h 55m

Chicago Midway

Tue 5/12

10:00 am-12:05 pm

Nonstop1h 05m

$157

IndianapolisChicago

IND - ORD

INDORD

Indianapolis

Wed 5/27

6:46 am-7:15 am

Nonstop1h 29m

Chicago O'Hare Intl

Wed 6/3

10:31 pm-12:55 am

Nonstop1h 24m

$158

IndianapolisChicago

IND - ORD

INDORD

Indianapolis

Mon 6/1

12:14 pm-7:55 am

1 stop20h 41m

Chicago O'Hare Intl

Wed 6/3

8:05 am-11:21 am

1 stop26h 16m

$160

IndianapolisChicago

IND - MDW

INDMDW

Indianapolis

Wed 5/6

11:05 am-4:55 pm

1 stop6h 50m

Chicago Midway

Tue 5/12

8:40 pm-10:50 pm

Nonstop1h 10m

$167

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 Indianapolis 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 Indianapolis 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 Indianapolis to Illinois is on a Thursday when prices can be found for as low as $549. Flights from Indianapolis 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 Indianapolis 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 Indianapolis to Illinois flight route?

Fly from Indianapolis to Chicago Midway for the best Indianapolis - 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 Indianapolis 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 Indianapolis for as low as $133 on momondo.

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

There are 4 cabin classes available to choose from on Indianapolis 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 Indianapolis to Illinois flights?

You could potentially save up to 2% on your flight if you consider stops on a Indianapolis to Illinois flight.

Cheap Indianapolis to Illinois flight deals and tips

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

Best Price Found

$189

Fastest flight time

0h 55m

Direct flights

Every day

Airports in Illinois

98 airports
The best one-way flight to Illinois from Indianapolis in the past 72 hours is $189. The best round-trip flight deal from Indianapolis to Illinois found on momondo in the last 72 hours is $374.
The fastest flight from Indianapolis to Illinois takes 0h 55m
Direct flights go from Indianapolis to Illinois every day.
There are 98 airports in Illinois. From Indianapolis there are direct flights to Chicago O'Hare Intl (ORD), Chicago Midway (MDW).
Search flight deals

Frequently asked questions about flying from Indianapolis to Illinois

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

    Prices for flights from Indianapolis Airport to Illinois are refreshed on a daily basis.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Indianapolis Airport to Illinois.

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

    The travel and health documents required for your trip to Illinois can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

Best airlines flying from Indianapolis to Illinois

Compare and see reviews for airlines that fly from Indianapolis 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 Indianapolis to Illinois?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Indianapolis to Illinois. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for Indianapolis to Illinois flights to just show those with flexible booking policies.

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

Once you have performed a search for Indianapolis to Illinois flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Illinois from Indianapolis are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Sat 5/16
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