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$53+ Cheap flights from Illinois to Indiana

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 4/2. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — IND
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap flight deals from Illinois to Indiana

Keep the following information in mind while searching for Illinois to Indiana flight deals. Data was last updated February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$110
(Frontier)

One-way from

$53
(Mytrip)

Popular in

April

Cheapest in

December

Average price

$312

Good round-trip deal

$233 or less

Good one-way deal

$124 or less
Provider with most accurate pricing for Chicago (CHI)-Indianapolis flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Indianapolis flights.
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From Illinois to Indiana
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One-way flight from Illinois to Indiana
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Highest demand for flights based on searches. 7% potential increase in price ($22 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 February 2025
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Price to beat on a round-trip flight from Illinois to Indiana.
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Price to beat on a one-way flight from Illinois to Indiana.
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Find flight deals from Illinois to Indiana

Cheapest flights from Illinois to Indiana
Explore the most affordable flight options available from Illinois to Indiana. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This Frontier deal was found by Cheapflights users on 2/19. 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.
Mon 4/71:10 pmMDW - CVG
1 stop10h 04mFrontier
Thu 4/1012:23 pmCVG - MDW
1 stop6h 08mFrontier
Deal found 2/19$110
This Frontier deal was found by Cheapflights users on 2/20. 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.
Tue 4/19:22 amORD - CVG
1 stop9h 59mFrontier
Thu 4/37:54 pmCVG - ORD
1 stop10h 00mFrontier
Deal found 2/20$110
This American Airlines deal was found by Cheapflights users on 2/20. 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.
Wed 4/22:45 pmORD - CVG
Nonstop1h 14mAmerican Airlines
Wed 4/92:39 pmCVG - ORD
Nonstop1h 26mAmerican Airlines
Deal found 2/20$117
This United Airlines deal was found by Cheapflights users on 2/19. 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.
Tue 4/86:01 pmORD - SDF
Nonstop1h 28mUnited Airlines
Thu 4/1011:04 amSDF - ORD
Nonstop1h 36mUnited Airlines
Deal found 2/19$117
This United Airlines deal was found by Cheapflights users on 2/20. 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.
Thu 3/67:15 amORD - CVG
Nonstop1h 22mUnited Airlines
Mon 3/106:00 amCVG - ORD
Nonstop1h 30mUnited Airlines
Deal found 2/20$118
This American Airlines deal was found by Cheapflights users on 2/20. 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.
Tue 5/136:00 amSTL - ORD
Nonstop1h 23mAmerican Airlines
Thu 5/1510:21 pmORD - STL
Nonstop1h 20mAmerican Airlines
Deal found 2/20$120
This eDestinos deal was found by Cheapflights users on 2/20. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1312:15 pmSTL - ORD
1 stop3h 35mSouthern / Mokulele
Thu 5/158:25 amORD - STL
1 stop11h 45mSouthern / Mokulele
Deal found 2/20$123
This Southwest deal was found by Cheapflights users on 2/20. 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.
Tue 4/13:35 pmMDW - CVG
1 stop7h 20mSouthwest
Thu 4/36:30 amCVG - MDW
Nonstop1h 10mSouthwest
Deal found 2/20$127
This Southwest deal was found by Cheapflights users on 2/19. 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.
Tue 5/610:05 amMDW - SDF
Nonstop1h 15mSouthwest
Wed 5/74:10 pmSDF - MDW
1 stop6h 45mSouthwest
Deal found 2/19$127
This Southwest deal was found by Cheapflights users on 2/20. 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.
Thu 3/64:00 pmSTL - MDW
1 stop6h 05mSouthwest
Mon 3/104:25 pmMDW - STL
Nonstop1h 15mSouthwest
Deal found 2/20$127
This Kiwi.com deal was found by Cheapflights users on 2/20. 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.
Fri 3/1411:00 amSTL - ORD
Nonstop1h 17mMultiple Airlines
Mon 3/178:25 amORD - STL
1 stop11h 45mMultiple Airlines
Deal found 2/20$127
This Frontier deal was found by Cheapflights users on 2/19. 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.
Mon 4/76:38 pmSTL - CVG
1 stop9h 31mFrontier
Wed 4/92:28 pmCVG - STL
1 stop10h 18mFrontier
Deal found 2/19$130

Find flights from Illinois to Indiana within your budget

Customize your flight search to find flights from Illinois to Indiana 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 February 20, 2025.

Fly from

Illinois

Fly to

Indiana

Route

Depart

Return

Price

ChicagoCincinnati

MDW - CVG

MDWCVG

Chicago Midway

Mon 4/7

1:10 pm-12:14 am

1 stop10h 04m

Cincinnati Cinci./N. Kentucky

Thu 4/10

12:23 pm-5:31 pm

1 stop6h 08m

$110

ChicagoCincinnati

ORD - CVG

ORDCVG

Chicago O'Hare Intl

Tue 4/1

9:22 am-8:21 pm

1 stop9h 59m

Cincinnati Cinci./N. Kentucky

Thu 4/3

7:54 pm-4:54 am

1 stop10h 00m

$110

ChicagoCincinnati

ORD - CVG

ORDCVG

Chicago O'Hare Intl

Wed 4/2

2:45 pm-4:59 pm

Nonstop1h 14m

Cincinnati Cinci./N. Kentucky

Wed 4/9

2:39 pm-3:05 pm

Nonstop1h 26m

$117

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Tue 4/8

6:01 pm-8:29 pm

Nonstop1h 28m

Louisville Intl

Thu 4/10

11:04 am-11:40 am

Nonstop1h 36m

$117

ChicagoCincinnati

ORD - CVG

ORDCVG

Chicago O'Hare Intl

Thu 3/6

7:15 am-9:37 am

Nonstop1h 22m

Cincinnati Cinci./N. Kentucky

Mon 3/10

6:00 am-6:30 am

Nonstop1h 30m

$118

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Tue 5/13

6:00 am-7:23 am

Nonstop1h 23m

Chicago O'Hare Intl

Thu 5/15

10:21 pm-11:41 pm

Nonstop1h 20m

$120

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Tue 5/13

12:15 pm-3:50 pm

1 stop3h 35m

Chicago O'Hare Intl

Thu 5/15

8:25 am-8:10 pm

1 stop11h 45m

$123

ChicagoCincinnati

MDW - CVG

MDWCVG

Chicago Midway

Tue 4/1

3:35 pm-11:55 pm

1 stop7h 20m

Cincinnati Cinci./N. Kentucky

Thu 4/3

6:30 am-6:40 am

Nonstop1h 10m

$127

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Fri 3/14

11:00 am-12:17 pm

Nonstop1h 17m

Chicago O'Hare Intl

Mon 3/17

8:25 am-8:10 pm

1 stop11h 45m

$127

ChicagoLouisville

MDW - SDF

MDWSDF

Chicago Midway

Tue 5/6

10:05 am-12:20 pm

Nonstop1h 15m

Louisville Intl

Wed 5/7

4:10 pm-9:55 pm

1 stop6h 45m

$127

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 60 results
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Best time to book a flight from Illinois to Indiana

Have a flexible travel schedule? Discover the best time to fly to Indiana from Illinois 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.

Travel insights for flights from Illinois to Indiana

Get recent, data-driven insights about flights from Illinois to Indiana including ideal travel times, pricing trends, and more.

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

Currently, August is the cheapest month in which you can book a flight from Illinois to Indiana (average of $297). Flying from Illinois to Indiana in March is currently the most expensive (average of $360). 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 IL to IN?

Find hourly flight availability from Illinois to Indiana. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Indiana as you normally would.

Weekly flight availability from Illinois to Indiana

Explore weekly flight availability from Illinois to Indiana. 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 February 20, 2025.

The most flights from USIL to USIN are scheduled on a Thursday (56 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (33 on average).

Rainfall in Indiana by month

Plan your trip to Indiana by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Indiana ranges from 2.3 - 5.1 inches per month. May is typically the wettest month, when rainfall can reach 5.1 in. February is typically the driest time to visit Indiana when rainfall is around 2.3 in.

Temperature in Indiana by month

Plan your trip to Indiana by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Indiana, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 28.4 F).

Reviews of airlines servicing Indiana

Get insights into the airlines that provide service to Indiana. 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 Indiana. Reviews last updated February 20, 2025.
Peruse reviews from past customers who have flown with Southwest, Alaska Airlines and Delta from Illinois to Indiana to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,411 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very good
9,697 reviews
Southwest
8.1
Very good
4,411 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,219 reviews
Southwest
8.1
Very good
4,411 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,765 reviews
Southwest
8.1
Very good
4,411 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Allegiant Air
7.3
Good
765 reviews
Southwest
8.1
Very good
4,411 reviews

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Crew

8.7

Food

7.1

Overall

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Related info for your journey

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

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

    One-way options have recently been found by users for as low as $53 on Frontier. Other airlines that offer cheap prices include Spirit Airlines from $53 and Southwest from $59 one-way.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Illinois to Indiana 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 Illinois to Indiana?

    Currently, August is the cheapest month in which you can book a flight from Illinois to Indiana (average of $297). Flying from Illinois to Indiana in March is currently the most expensive (average of $360). 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 Illinois to Indiana

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Illinois to Indiana

Discover the top 3 airlines that operate flights from Illinois to Indiana. 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$174Average$356FlexibilityNo cancel feeOn-time69%
Southern / MokuleleCheapest$176Average$233FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$178Average$335FlexibilityNo cancel feeOn-time71%
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