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$64+ 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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — IND
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
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 March 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$127
(Trip.com)

One-way from

$64
(Trip.com)

Popular in

April

Cheapest in

December

Average price

$328

Good round-trip deal

$191 or less

Good one-way deal

$148 or less
Provider with most accurate pricing for Chicago (CHI)-Indianapolis flight deals.
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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. 9% potential increase in price ($28 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 31, 2025.

This Trip.com deal was found by Cheapflights users on 3/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/2712:15 pmSTL - ORD
1 stop3h 35mSouthern / Mokulele
Sun 5/48:20 pmORD - STL
1 stop15h 25mSouthern / Mokulele
Deal found 3/30$127
This Frontier deal was found by Cheapflights users on 3/29. 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.
Fri 4/251:26 pmMDW - CVG
1 stop10h 46mFrontier
Mon 4/2810:30 amCVG - MDW
1 stop6h 04mFrontier
Deal found 3/29$158
This Frontier deal was found by Cheapflights users on 3/31. 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.
Thu 5/14:15 pmORD - CVG
1 stop7h 44mFrontier
Mon 5/57:51 pmCVG - ORD
1 stop10h 19mFrontier
Deal found 3/31$158
This Frontier deal was found by Cheapflights users on 3/30. 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 4/286:30 amORD - IND
1 stop8h 03mFrontier
Fri 5/165:50 pmIND - ORD
1 stop6h 51mFrontier
Deal found 3/30$158
This CheapOair deal was found by Cheapflights users on 3/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/306:58 pmSTL - MDW
1 stop24h 10mFrontier
Fri 5/28:03 pmMDW - STL
1 stop13h 56mFrontier
Deal found 3/30$160
This CheapOair deal was found by Cheapflights users on 3/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/196:33 pmSTL - ORD
1 stop10h 28mMultiple Airlines
Tue 4/298:20 pmORD - STL
1 stop15h 25mMultiple Airlines
Deal found 3/30$163
This CheapOair deal was found by Cheapflights users on 3/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/96:51 pmSTL - ORD
1 stop5h 46mFrontier
Sun 4/136:45 amORD - STL
1 stop26h 21mFrontier
Deal found 3/30$171
This American Airlines deal was found by Cheapflights users on 3/30. 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 5/1410:05 amORD - FWA
Nonstop1h 02mAmerican Airlines
Wed 5/2112:34 pmFWA - ORD
Nonstop1h 18mAmerican Airlines
Deal found 3/30$175
This Mytrip deal was found by Cheapflights users on 3/31. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/67:10 amORD - IND
2 stops26h 06mSpirit Airlines
Wed 5/1410:50 amIND - ORD
1 stop23h 05mSpirit Airlines
Deal found 3/31$175
This American Airlines deal was found by Cheapflights users on 3/30. 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 5/1410:00 amORD - DAY
Nonstop1h 15mAmerican Airlines
Wed 5/211:07 pmDAY - ORD
Nonstop1h 25mAmerican Airlines
Deal found 3/30$175
This Mytrip deal was found by Cheapflights users on 3/31. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/295:36 amORD - SDF
1 stop15h 41mSpirit Airlines
Wed 4/305:05 amSDF - ORD
1 stop20h 15mSpirit Airlines
Deal found 3/31$176
This United Airlines deal was found by Cheapflights users on 3/30. 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.
Sat 5/247:40 pmORD - SDF
Nonstop1h 34mUnited Airlines
Sun 5/2511:10 amSDF - ORD
Nonstop1h 37mUnited Airlines
Deal found 3/30$179

Cheapflights Fare Finder

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 March 31, 2025.
Use the filters below to find and compare flights from Illinois to Indiana that are best for you.

Fly from

Illinois

Fly to

Indiana

Route

Depart

Return

Price

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Sun 4/27

12:15 pm-3:50 pm

1 stop3h 35m

Chicago O'Hare Intl

Sun 5/4

8:20 pm-11:45 am

1 stop15h 25m

$127

ChicagoCincinnati

MDW - CVG

MDWCVG

Chicago Midway

Fri 4/25

1:26 pm-1:12 am

1 stop10h 46m

Cincinnati Cinci./N. Kentucky

Mon 4/28

10:30 am-3:34 pm

1 stop6h 04m

$158

ChicagoCincinnati

ORD - CVG

ORDCVG

Chicago O'Hare Intl

Thu 5/1

4:15 pm-12:59 am

1 stop7h 44m

Cincinnati Cinci./N. Kentucky

Mon 5/5

7:51 pm-5:10 am

1 stop10h 19m

$158

ChicagoIndianapolis

ORD - IND

ORDIND

Chicago O'Hare Intl

Mon 4/28

6:30 am-3:33 pm

1 stop8h 03m

Indianapolis

Fri 5/16

5:50 pm-11:41 pm

1 stop6h 51m

$158

St. LouisChicago

STL - MDW

STLMDW

Lambert-St Louis

Wed 4/30

6:58 pm-7:08 pm

1 stop24h 10m

Chicago Midway

Fri 5/2

8:03 pm-9:59 am

1 stop13h 56m

$160

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Sat 4/19

6:33 pm-5:01 am

1 stop10h 28m

Chicago O'Hare Intl

Tue 4/29

8:20 pm-11:45 am

1 stop15h 25m

$163

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Wed 4/9

6:51 pm-12:37 am

1 stop5h 46m

Chicago O'Hare Intl

Sun 4/13

6:45 am-9:06 am

1 stop26h 21m

$171

ChicagoFort Wayne

ORD - FWA

ORDFWA

Chicago O'Hare Intl

Wed 5/14

10:05 am-12:07 pm

Nonstop1h 02m

Fort Wayne

Wed 5/21

12:34 pm-12:52 pm

Nonstop1h 18m

$175

ChicagoIndianapolis

ORD - IND

ORDIND

Chicago O'Hare Intl

Tue 5/6

7:10 am-10:16 am

2 stops26h 06m

Indianapolis

Wed 5/14

10:50 am-8:55 am

1 stop23h 05m

$175

ChicagoDayton

ORD - DAY

ORDDAY

Chicago O'Hare Intl

Wed 5/14

10:00 am-12:15 pm

Nonstop1h 15m

Dayton

Wed 5/21

1:07 pm-1:32 pm

Nonstop1h 25m

$175

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

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.

Cheapflights Insights

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

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 $362). 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 March 31, 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 March 31, 2025.

The most flights from USIL to USIN are scheduled on a Monday (59 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (15 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 March 31, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest 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.
Alaska Airlines
8.0
Very good
9,818 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,818 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,275 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,899 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,614 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Allegiant Air
7.3
Good
731 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 $64 on Southern / Mokulele. Other airlines that offer cheap prices include Spirit Airlines from $77 and Frontier from $79 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 $362). 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

Browse thousands of different options on Cheapflights for your next trip

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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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$174Average$359FlexibilityNo cancel feeOn-time69%
Southern / MokuleleCheapest$176Average$202FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$179Average$314FlexibilityNo cancel feeOn-time71%
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