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Cheap flights from Indianapolis to Illinois from $61

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 1/12. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Spirit Airlines Logo
5:05 am - 1:26 pmIND-ORD
9h 21m1 stop
Spirit Airlines Logo
2:31 pm - 11:20 pmORD-IND
7h 49m1 stop
$155Spirit Airlines
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Sat, Nov 15 - Tue, Nov 18
Multiple Airlines Logo
5:10 am - 3:55 pmIND-ORD
11h 45m1 stop
Multiple Airlines Logo
5:20 am - 12:08 pmORD-IND
5h 48m1 stop
$165Multiple Airlines
Find Deal
Sat, Jan 24 - Mon, Jan 26
Frontier Logo
4:10 pm - 10:24 pmIND-ORD
7h 14m1 stop
Frontier Logo
7:00 am - 7:53 pmORD-IND
11h 53m1 stop
$183Frontier
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Fri, Dec 12 - Sun, Dec 14
Frontier Logo
9:29 pm - 6:46 pmIND-ORD
22h 17m2 stops
Frontier Logo
11:44 am - 6:50 pmORD-IND
6h 06m1 stop
$185Frontier
Find Deal
Mon, Dec 1 - Mon, Dec 8
American Airlines Logo
10:29 am - 10:52 amIND-ORD
1h 23mnonstop
American Airlines Logo
7:44 pm - 9:56 pmORD-IND
1h 12mnonstop
$237American Airlines
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Tue, Nov 25 - Tue, Nov 25
American Airlines Logo
8:31 am - 8:59 amIND-ORD
1h 28mnonstop
American Airlines Logo
8:25 pm - 10:52 pmORD-IND
1h 27mnonstop
$243American Airlines
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Wed, Dec 17 - Sat, Dec 20
Southwest Logo
5:00 pm - 5:10 pmIND-MDW
1h 10mnonstop
Southwest Logo
8:35 pm - 10:35 pmMDW-IND
1h 00mnonstop
$249Southwest
Find Deal
Thu, Dec 4 - Mon, Dec 8
Southwest Logo
5:00 pm - 5:10 pmIND-MDW
1h 10mnonstop
Southwest Logo
5:00 am - 12:20 pmMDW-IND
6h 20m1 stop
$259Southwest
Find Deal
Thu, Dec 4 - Mon, Dec 8
United Airlines Logo
12:38 pm - 3:46 pmIND-STL
4h 08m1 stop
United Airlines Logo
6:43 pm - 11:18 pmSTL-IND
3h 35m1 stop
$523United Airlines
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Sat, Nov 15 - Wed, Nov 19
United Airlines Logo
8:00 am - 10:22 pmIND-STL
15h 22m2 stops
United Airlines Logo
6:30 am - 11:13 amSTL-IND
3h 43m1 stop
$631United Airlines
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Sat, Nov 15 - Wed, Nov 19

Spirit Airlines flights from Indianapolis to Illinois

Our best Spirit Airlines deals on Indianapolis to Illinois flight tickets
Spirit Airlines
Nov 15
IND5:05 amIndianapolis
9h 21m
1 stop
ORD1:26 pmChicago O'Hare Intl
Nov 18
ORD2:31 pmChicago O'Hare Intl
7h 49m
1 stop
IND11:20 pmIndianapolis
$155
Find similar
Spirit Airlines
Nov 15
IND5:05 amIndianapolis
9h 21m
1 stop
ORD1:26 pmChicago O'Hare Intl
Nov 18
ORD5:10 amChicago O'Hare Intl
17h 10m
3 stops
IND11:20 pmIndianapolis
$187
Find similar
Spirit Airlines
Jan 24
IND5:10 amIndianapolis
17h 13m
2 stops
ORD9:23 pmChicago O'Hare Intl
Jan 26
ORD6:53 pmChicago O'Hare Intl
19h 49m
2 stops
IND3:42 pmIndianapolis
$224
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Frontier flights from Indianapolis to Illinois

Our best Frontier deals on Indianapolis to Illinois flight tickets
Frontier
Dec 12
IND4:10 pmIndianapolis
7h 14m
1 stop
ORD10:24 pmChicago O'Hare Intl
Dec 14
ORD7:00 amChicago O'Hare Intl
11h 53m
1 stop
IND7:53 pmIndianapolis
$183
Find similar
Frontier
Dec 1
IND9:29 pmIndianapolis
22h 17m
2 stops
ORD6:46 pmChicago O'Hare Intl
Dec 8
ORD11:44 amChicago O'Hare Intl
6h 06m
1 stop
IND6:50 pmIndianapolis
$185
Find similar
Frontier
Dec 4
IND7:19 pmIndianapolis
29h 53m
1 stop
ORD12:12 amChicago O'Hare Intl
Dec 7
ORD7:00 amChicago O'Hare Intl
11h 53m
1 stop
IND7:53 pmIndianapolis
$197
Find similar

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 November 2, 2025.
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

IndianapolisChicago

IND - ORD

INDORD

Indianapolis

Sat 11/15

5:05 am-1:26 pm

1 stop9h 21m

Chicago O'Hare Intl

Tue 11/18

2:31 pm-11:20 pm

1 stop7h 49m

$155

IndianapolisChicago

IND - ORD

INDORD

Indianapolis

Sat 1/24

5:10 am-3:55 pm

1 stop11h 45m

Chicago O'Hare Intl

Mon 1/26

5:20 am-12:08 pm

1 stop5h 48m

$165

IndianapolisChicago

IND - ORD

INDORD

Indianapolis

Fri 12/12

4:10 pm-10:24 pm

1 stop7h 14m

Chicago O'Hare Intl

Sun 12/14

7:00 am-7:53 pm

1 stop11h 53m

$183

IndianapolisChicago

IND - ORD

INDORD

Indianapolis

Mon 12/1

9:29 pm-6:46 pm

2 stops22h 17m

Chicago O'Hare Intl

Mon 12/8

11:44 am-6:50 pm

1 stop6h 06m

$185

IndianapolisChicago

IND - ORD

INDORD

Indianapolis

Tue 11/25

10:29 am-10:52 am

Nonstop1h 23m

Chicago O'Hare Intl

Tue 11/25

7:44 pm-9:56 pm

Nonstop1h 12m

$237

IndianapolisChicago

IND - ORD

INDORD

Indianapolis

Wed 12/17

8:31 am-8:59 am

Nonstop1h 28m

Chicago O'Hare Intl

Sat 12/20

8:25 pm-10:52 pm

Nonstop1h 27m

$243

IndianapolisChicago

IND - MDW

INDMDW

Indianapolis

Thu 12/4

5:00 pm-5:10 pm

Nonstop1h 10m

Chicago Midway

Mon 12/8

8:35 pm-10:35 pm

Nonstop1h 00m

$249

IndianapolisChicago

IND - MDW

INDMDW

Indianapolis

Thu 12/4

5:00 pm-5:10 pm

Nonstop1h 10m

Chicago Midway

Mon 12/8

5:00 am-12:20 pm

1 stop6h 20m

$259

IndianapolisSt. Louis

IND - STL

INDSTL

Indianapolis

Sat 11/15

12:38 pm-3:46 pm

1 stop4h 08m

Lambert-St Louis

Wed 11/19

6:43 pm-11:18 pm

1 stop3h 35m

$523

IndianapolisSt. Louis

IND - STL

INDSTL

Indianapolis

Sat 11/15

8:00 am-10:22 pm

2 stops15h 22m

Lambert-St Louis

Wed 11/19

6:30 am-11:13 am

1 stop3h 43m

$631

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 $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 $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 $598. Flights from Indianapolis to Illinois on a Sunday will generally be more expensive and average around $772. 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 $516. Flights at noon are often more expensive with an average ticket price of $1,051.

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 $271 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 $139 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 16% 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

$161

Fastest flight time

1h 00m

Direct flights

Every day

Airports in Illinois

2 airports
The best one-way flight to Illinois from Indianapolis in the past 72 hours is $161. The best round-trip flight deal from Indianapolis to Illinois found on momondo in the last 72 hours is $297.
The fastest flight from Indianapolis to Illinois takes 1h 00m
Direct flights go from Indianapolis to Illinois every day.
There are 2 airports near Illinois: Chicago O'Hare Intl (ORD), Chicago Midway (MDW)
Search flight deals

  • 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 $141Free CancellationRating
7.2
11,034 reviews
Search American Airlines flights
United AirlinesPriceFrom $188Free CancellationRating
7.4
8,997 reviews
Search United Airlines 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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