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$60+ 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 1/23. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — IND
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
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Cheap flight deals from Illinois to Indiana

Discover tips and strategies to find the most affordable flight options for your journey from Illinois (USIL) to Indiana (USIN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 21, 2024.

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 November 21, 2024.

This Mytrip deal was found by Cheapflights users on 11/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1112:15 pmSTL - ORD
1 stop3h 35mSouthern / Mokulele
Thu 12/128:25 amORD - STL
1 stop11h 30mSouthern / Mokulele
Deal found 11/20$116
This United Airlines deal was found by Cheapflights users on 11/20. 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.
Wed 12/185:40 pmSTL - ORD
Nonstop1h 15mUnited Airlines
Wed 12/256:20 pmORD - STL
Nonstop1h 37mUnited Airlines
Deal found 11/20$137
This Frontier deal was found by Cheapflights users on 11/21. 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 12/63:34 pmSTL - MDW
1 stop5h 28mFrontier
Mon 12/911:33 amMDW - STL
1 stop11h 51mFrontier
Deal found 11/21$138
This Southwest deal was found by Cheapflights users on 11/20. 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.
Wed 12/117:30 pmMDW - SDF
Nonstop1h 10mSouthwest
Thu 12/127:25 amSDF - MDW
Nonstop1h 20mSouthwest
Deal found 11/20$143
This Southwest deal was found by Cheapflights users on 11/20. 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.
Wed 12/116:30 amSTL - MDW
Nonstop1h 10mSouthwest
Thu 12/129:50 amMDW - STL
Nonstop1h 15mSouthwest
Deal found 11/20$143
This American Airlines deal was found by Cheapflights users on 11/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/155:45 amSTL - ORD
Nonstop1h 22mAmerican Airlines
Tue 12/3110:00 amORD - STL
Nonstop1h 32mAmerican Airlines
Deal found 11/19$143
This United Airlines deal was found by Cheapflights users on 11/20. 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.
Sat 12/147:50 pmORD - SDF
Nonstop1h 36mUnited Airlines
Sun 12/157:00 amSDF - ORD
Nonstop1h 41mUnited Airlines
Deal found 11/20$147
This CheapOair deal was found by Cheapflights users on 11/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/155:02 pmSTL - CVG
1 stop14h 22mFrontier
Tue 12/174:57 pmCVG - STL
1 stop18h 47mFrontier
Deal found 11/20$148
This American Airlines deal was found by Cheapflights users on 11/20. 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.
Sun 12/156:40 pmORD - SDF
Nonstop1h 43mAmerican Airlines
Mon 12/164:00 pmSDF - ORD
Nonstop1h 34mAmerican Airlines
Deal found 11/20$157
This CheapOair deal was found by Cheapflights users on 11/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/67:25 amORD - IND
1 stop11h 20mFrontier
Sun 12/84:01 pmIND - ORD
1 stop18h 53mFrontier
Deal found 11/20$158
This Trip.com deal was found by Cheapflights users on 11/19. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/61:00 pmSTL - ORD
1 stop3h 32mMultiple Airlines
Sun 12/87:25 amORD - STL
1 stop24h 48mMultiple Airlines
Deal found 11/19$170
This Delta deal was found by Cheapflights users on 11/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/147:00 amORD - SDF
1 stop6h 27mDelta
Tue 12/177:08 amSDF - ORD
1 stop4h 41mDelta
Deal found 11/19$176

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 2,629,791 searches. Data last updated November 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Fri 1/31

5:00 pm-7:40 am

1 stop14h 40m

Chicago O'Hare Intl

Mon 2/17

8:20 pm-11:45 am

1 stop15h 25m

$115

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Wed 12/18

5:40 pm-6:55 pm

Nonstop1h 15m

Chicago O'Hare Intl

Wed 12/25

6:20 pm-7:57 pm

Nonstop1h 37m

$137

St. LouisCincinnati

STL - CVG

STLCVG

Lambert-St Louis

Mon 1/6

7:43 am-12:34 am

1 stop15h 51m

Cincinnati Cinci./N. Kentucky

Thu 1/9

9:00 am-11:27 pm

1 stop15h 27m

$138

St. LouisChicago

STL - MDW

STLMDW

Lambert-St Louis

Fri 12/6

3:34 pm-9:02 pm

1 stop5h 28m

Chicago Midway

Mon 12/9

11:33 am-11:24 pm

1 stop11h 51m

$138

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Tue 1/14

5:55 pm-8:18 pm

Nonstop1h 23m

Louisville Intl

Sat 1/18

6:35 am-7:14 am

Nonstop1h 39m

$142

ChicagoLouisville

MDW - SDF

MDWSDF

Chicago Midway

Wed 12/11

7:30 pm-9:40 pm

Nonstop1h 10m

Louisville Intl

Thu 12/12

7:25 am-7:45 am

Nonstop1h 20m

$143

St. LouisChicago

STL - MDW

STLMDW

Lambert-St Louis

Wed 12/11

6:30 am-7:40 am

Nonstop1h 10m

Chicago Midway

Thu 12/12

9:50 am-11:05 am

Nonstop1h 15m

$143

St. LouisChicago

STL - ORD

STLORD

Lambert-St Louis

Sun 12/15

5:45 am-7:07 am

Nonstop1h 22m

Chicago O'Hare Intl

Tue 12/31

10:00 am-11:32 am

Nonstop1h 32m

$143

ChicagoLouisville

ORD - SDF

ORDSDF

Chicago O'Hare Intl

Sat 12/14

7:50 pm-10:26 pm

Nonstop1h 36m

Louisville Intl

Sun 12/15

7:00 am-7:41 am

Nonstop1h 41m

$147

ChicagoIndianapolis

ORD - IND

ORDIND

Chicago O'Hare Intl

Fri 12/6

7:25 am-7:45 pm

1 stop11h 20m

Indianapolis

Sun 12/8

4:01 pm-9:54 am

1 stop18h 53m

$158

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/21

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 $357). 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 November 21, 2024.

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 November 21, 2024.

The most flights from USIL to USIN are scheduled on a Wednesday (57 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (32 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 November 21, 2024.
Peruse reviews from past customers who have flown with United Airlines, Southern / Mokulele and American Airlines 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
5,015 reviews

Boarding

8.2

Overall

8.1

Food

7.2

Comfort

8.1

Entertainment

7.7

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Southwest
8.1
Very good
5,015 reviews
Southwest
8.1
Very good
5,015 reviews

Boarding

8.2

Overall

8.1

Food

7.2

Comfort

8.1

Entertainment

7.7

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Delta
8.0
Very good
8,759 reviews
Southwest
8.1
Very good
5,015 reviews

Boarding

8.2

Overall

8.1

Food

7.2

Comfort

8.1

Entertainment

7.7

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

United Airlines
7.4
Good
9,173 reviews
Southwest
8.1
Very good
5,015 reviews

Boarding

8.2

Overall

8.1

Food

7.2

Comfort

8.1

Entertainment

7.7

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Allegiant Air
7.4
Good
850 reviews
Southwest
8.1
Very good
5,015 reviews

Boarding

8.2

Overall

8.1

Food

7.2

Comfort

8.1

Entertainment

7.7

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

WestJet
7.3
Good
2,810 reviews
Southwest
8.1
Very good
5,015 reviews

Boarding

8.2

Overall

8.1

Food

7.2

Comfort

8.1

Entertainment

7.7

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

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 $60 on Frontier. Other airlines that offer cheap prices include Southern / Mokulele from $63 and United Airlines from $69 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 $357). 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.

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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 2 airlines flying from Illinois to Indiana

Discover the top 2 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 2,629,791 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$174Average$352FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$178Average$324FlexibilityNo cancel feeOn-time71%
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