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$50+ Cheap flights from Indianapolis (IND) to Illinois

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
IND — ORD
oct. 11 — oct. 181
sáb. 10/11
sáb. 10/18
1 adult, Economy
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Cheap flight deals from Indianapolis to Illinois

Keep the following information in mind while searching for Indianapolis to Illinois flight deals. Data was last updated septiembre 11, 2025.

Round-trip from

$99
(American Airlines)

One-way from

$50
(United Airlines)

Popular in

March

Cheapest in

August

Average price

$241

Good round-trip deal

$256 or less

Good one-way deal

$138 or less
From Indianapolis to Illinois
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One-way flight from Indianapolis to Illinois
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Highest demand for flights based on searches. 8% potential increase in price ($24 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Indianapolis to Illinois.
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Price to beat on a one-way flight from Indianapolis to Illinois.
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Find flight deals from Indianapolis to Illinois

Cheapest flights from Indianapolis to Illinois
Explore the most affordable flight options available from Indianapolis to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/57:15 amIND - ORD
Nonstop1h 14mUnited Airlines
sáb. 11/811:05 amORD - IND
Nonstop1h 07mUnited Airlines
Deal found 9/11$99
This Southwest deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/57:10 amIND - MDW
Nonstop1h 15mSouthwest
sáb. 11/87:45 pmMDW - IND
Nonstop1h 00mSouthwest
Deal found 9/11$99
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/105:38 pmIND - ORD
Nonstop1h 32mUnited Airlines
mié. 10/159:03 amORD - IND
Nonstop1h 14mUnited Airlines
Deal found 9/10$115
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/237:15 amIND - ORD
Nonstop1h 17mUnited Airlines
vie. 10/242:10 pmORD - IND
Nonstop1h 12mUnited Airlines
Deal found 9/11$131
This Southwest deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/66:50 amIND - MDW
Nonstop1h 10mSouthwest
dom. 11/910:15 amMDW - IND
Nonstop1h 10mSouthwest
Deal found 9/11$131
This American Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/146:45 amIND - ORD
Nonstop1h 23mAmerican Airlines
dom. 11/168:25 pmORD - IND
Nonstop1h 03mAmerican Airlines
Deal found 9/10$132
This Priceline deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/712:17 pmIND - ORD
1 stop5h 39mFrontier
dom. 11/91:50 pmORD - IND
1 stop6h 36mFrontier
Deal found 9/11$144
This Frontier deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/84:20 pmIND - ORD
1 stop8h 52mFrontier
lun. 11/105:11 amORD - IND
1 stop5h 11mFrontier
Deal found 9/10$154
This Frontier deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/141:52 pmIND - ORD
1 stop12h 07mFrontier
dom. 11/166:00 amORD - IND
1 stop12h 44mFrontier
Deal found 9/10$155
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/17:15 amIND - ORD
Nonstop1h 14mUnited Airlines
mié. 12/179:05 amORD - IND
Nonstop1h 18mUnited Airlines
Deal found 9/10$156
This Booking.com deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/712:17 pmIND - STL
1 stop4h 44mFrontier
sáb. 11/87:45 pmSTL - IND
1 stop22h 59mFrontier
Deal found 9/8$156
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/233:33 pmIND - MDW
1 stop8h 47mFrontier
lun. 10/275:10 amMDW - IND
1 stop7h 41mFrontier
Deal found 9/10$157

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated septiembre 11, 2025.
Use the filters below to find and compare flights from Indianapolis to Illinois that are best for you.

Fly from

Indianapolis

Fly to

Illinois

Route

Depart

Return

Price

IndianapolisChicago

IND - ORD

INDORD

Indianapolis

mié. 11/5

6:00 am-6:20 am

Nonstop1h 20m

Chicago O'Hare Intl

sáb. 11/8

11:05 am-1:12 pm

Nonstop1h 07m

$99

IndianapolisChicago

IND - MDW

INDMDW

Indianapolis

mié. 11/5

5:00 pm-5:10 pm

Nonstop1h 10m

Chicago Midway

sáb. 11/8

9:45 am-11:50 am

Nonstop1h 05m

$99

IndianapolisChicago

IND - ORD

INDORD

Indianapolis

vie. 10/3

6:00 am-6:15 am

Nonstop1h 15m

Chicago O'Hare Intl

mié. 10/15

1:07 pm-3:21 pm

Nonstop1h 14m

$115

IndianapolisSt. Louis

IND - STL

INDSTL

Indianapolis

vie. 11/7

12:17 pm-4:01 pm

1 stop4h 44m

Lambert-St Louis

sáb. 11/8

7:45 pm-7:44 pm

1 stop22h 59m

$156

IndianapolisChicago

IND - ORD

INDORD

Indianapolis

sáb. 11/1

7:15 am-7:29 am

Nonstop1h 14m

Chicago O'Hare Intl

mié. 12/17

9:05 am-11:23 am

Nonstop1h 18m

$156

IndianapolisChicago

IND - ORD

INDORD

Indianapolis

sáb. 10/25

7:15 am-7:32 am

Nonstop1h 17m

Chicago O'Hare Intl

mar. 10/28

7:51 pm-9:59 pm

Nonstop1h 08m

$159

IndianapolisChicago

IND - ORD

INDORD

Indianapolis

mar. 11/4

12:38 pm-12:58 pm

Nonstop1h 20m

Chicago O'Hare Intl

mar. 12/16

7:51 pm-9:59 pm

Nonstop1h 08m

$159

IndianapolisChicago

IND - ORD

INDORD

Indianapolis

mié. 10/8

5:38 pm-6:10 pm

Nonstop1h 32m

Chicago O'Hare Intl

mié. 10/15

2:10 pm-4:22 pm

Nonstop1h 12m

$159

IndianapolisSt. Louis

IND - STL

INDSTL

Indianapolis

jue. 10/2

8:54 pm-9:06 am

1 stop13h 12m

Lambert-St Louis

dom. 10/5

10:39 am-6:27 pm

1 stop6h 48m

$166

IndianapolisChicago

IND - ORD

INDORD

Indianapolis

mié. 10/29

5:40 am-11:50 am

1 stop7h 10m

Chicago O'Hare Intl

sáb. 11/1

1:30 pm-7:05 pm

1 stop4h 35m

$168

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 59 results
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Best time to book a flight from Indianapolis to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Indianapolis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Indianapolis to Illinois

What is the cheapest month to book a flight from Indianapolis to Illinois?

Currently, August is the cheapest month in which you can book a flight from Indianapolis to Illinois (average of $245). Flying from Indianapolis to Illinois in March is currently the most expensive (average of $321). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IND to IL?

Find hourly flight availability from Indianapolis to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septiembre 11, 2025.

When flying from Indianapolis to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Indianapolis to Illinois

Explore weekly flight availability from Indianapolis to Illinois. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated septiembre 11, 2025.

The most flights from IND to USIL are scheduled on a Thursday (68 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (47 on average).

How much does it cost to fly round-trip from Indianapolis to Illinois?

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated septiembre 11, 2025.
Get a feel of what it's like to fly with United Airlines and American Airlines from Indianapolis to Illinois by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,937 reviews

Food

6.6

Boarding

7.7

Overall

7.4

Entertainment

7.1

Crew

8.1

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,937 reviews
United Airlines
7.4
Good
8,937 reviews

Food

6.6

Boarding

7.7

Overall

7.4

Entertainment

7.1

Crew

8.1

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,937 reviews

Food

6.6

Boarding

7.7

Overall

7.4

Entertainment

7.1

Crew

8.1

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

Find useful and relevant information for your journey from Indianapolis to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Indianapolis to Illinois?

    Most people fly from Indianapolis (IND) if they book a flight from Indianapolis to Illinois. Indianapolis is conveniently located just 8.3 mi from Indianapolis’s city center.

  • How long is the flight from Indianapolis to Illinois?

    United Airlines, Southwest, and Frontier can get you from Indianapolis to Illinois in just under 1h 10m. Your travel time can differ by up to 3h 34m. The distance between Indianapolis and Illinois is about 162 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Indianapolis to Illinois one-way?

    One-way options have recently been found by users for as low as $50 on United Airlines. Other airlines that offer cheap prices include American Airlines from $50 and Southwest from $50 one-way.

  • What are the most popular routes from Indianapolis to Illinois?

    While some choose either Indianapolis - Chicago Midway or Indianapolis - Lambert-St Louis, Indianapolis - Chicago O'Hare Intl is the most popular route from Indianapolis to Illinois.

  • What are the most reliable airlines from Indianapolis to Illinois?

    The top 3 most reliable airlines when flying from Indianapolis to Illinois are Finnair (90%), Envoy Air (89%) and Copa Airlines (86%).

  • What are the cheapest flights from Indianapolis to Illinois?

    On average you can expect to pay $882 for a flight from Indianapolis to Illinois. The cheapest flight overall is $111 while the most popular route, (Indianapolis - Chicago O'Hare Intl) is currently priced at $99.

  • Can I find deals for flights from Indianapolis to Illinois that include hotel bookings?

    Yes. In addition to deals on Indianapolis to Illinois flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Indianapolis to Illinois?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Indianapolis to Illinois.

  • Can I find deals for business class flights from Indianapolis to Illinois?

    Yes. Cheapflights offers flight deals from Indianapolis to Illinois by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Indianapolis to Illinois?

    Currently, August is the cheapest month in which you can book a flight from Indianapolis to Illinois (average of $245). Flying from Indianapolis to Illinois in March is currently the most expensive (average of $321). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Indianapolis to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Indianapolis to Illinois

Discover the top 2 airlines that operate flights from Indianapolis to Illinois. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated septiembre 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$151Average$246FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$194Average$294FlexibilityNo cancel feeOn-time69%

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