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Illinois

$79+ 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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
IND — ORD
Jul 6 — Jul 131
Sun 7/6
Sun 7/13
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 July 1, 2025.

Round-trip from

$137
(American Airlines)

One-way from

$79
(Southwest)

Popular in

March

Cheapest in

December

Average price

$298

Good round-trip deal

$250 or less

Good one-way deal

$173 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. 7% potential increase in price ($21 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 1, 2025.

This American Airlines deal was found by Cheapflights users on 6/30. 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.
Tue 11/48:56 amIND - ORD
Nonstop1h 14mAmerican Airlines
Wed 11/191:10 pmORD - IND
Nonstop1h 03mAmerican Airlines
Deal found 6/30$137
This Southwest deal was found by Cheapflights users on 7/1. 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 8/75:15 pmIND - MDW
Nonstop1h 05mSouthwest
Mon 8/118:55 pmMDW - IND
Nonstop1h 00mSouthwest
Deal found 7/1$137
This Southwest deal was found by Cheapflights users on 6/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/115:35 amIND - ORD
1 stop8h 10mSouthwest
Wed 8/133:10 pmORD - IND
1 stop4h 50mSouthwest
Deal found 6/30$162
This Priceline deal was found by Cheapflights users on 6/29. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/13:30 pmIND - ORD
1 stop9h 52mFrontier
Mon 8/45:01 amORD - IND
1 stop8h 43mFrontier
Deal found 6/29$164
This United Airlines deal was found by Cheapflights users on 6/30. 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.
Wed 8/1312:30 pmIND - STL
1 stop4h 17mUnited Airlines
Mon 8/185:30 pmSTL - IND
1 stop4h 58mUnited Airlines
Deal found 6/30$177
This Southwest deal was found by Cheapflights users on 6/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/67:30 amIND - STL
1 stop7h 20mSouthwest
Sat 11/810:25 amSTL - IND
1 stop4h 15mSouthwest
Deal found 6/30$185
This FlightHub deal was found by Cheapflights users on 6/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/196:00 amIND - MDW
1 stop15h 54mFrontier
Mon 7/2812:35 pmMDW - IND
1 stop11h 08mFrontier
Deal found 6/29$202
This Mytrip deal was found by Cheapflights users on 6/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/165:30 amIND - ORD
1 stop11h 42mSpirit Airlines
Thu 9/185:17 pmORD - IND
1 stop15h 01mSpirit Airlines
Deal found 6/30$213
This Mytrip deal was found by Cheapflights users on 6/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1410:00 amIND - ORD
1 stop10h 07mMultiple Airlines
Thu 8/215:05 amORD - IND
1 stop11h 04mMultiple Airlines
Deal found 6/30$214
This United Airlines deal was found by Cheapflights users on 6/30. 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 8/3012:24 pmIND - ORD
Nonstop1h 24mUnited Airlines
Mon 9/12:20 pmORD - IND
Nonstop1h 12mUnited Airlines
Deal found 6/30$219
This FlightHub deal was found by Cheapflights users on 6/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/151:00 pmIND - STL
1 stop21h 11mFrontier
Sun 8/177:59 pmSTL - IND
1 stop13h 46mFrontier
Deal found 6/30$227
This American Airlines deal was found by Cheapflights users on 6/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/285:05 amIND - STL
1 stop3h 51mAmerican Airlines
Tue 8/54:52 pmSTL - IND
1 stop6h 34mAmerican Airlines
Deal found 6/29$247

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 July 1, 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

Mon 8/11

5:45 am-6:06 am

Nonstop1h 21m

Chicago O'Hare Intl

Wed 8/13

8:34 pm-11:00 pm

Nonstop1h 26m

$137

IndianapolisChicago

IND - MDW

INDMDW

Indianapolis

Thu 8/7

5:15 pm-5:20 pm

Nonstop1h 05m

Chicago Midway

Mon 8/11

8:55 pm-10:55 pm

Nonstop1h 00m

$137

IndianapolisChicago

IND - ORD

INDORD

Indianapolis

Mon 8/11

5:35 am-12:45 pm

1 stop8h 10m

Chicago O'Hare Intl

Wed 8/13

3:10 pm-9:00 pm

1 stop4h 50m

$162

IndianapolisChicago

IND - ORD

INDORD

Indianapolis

Fri 8/1

3:30 pm-12:22 am

1 stop9h 52m

Chicago O'Hare Intl

Sat 8/9

5:01 am-11:11 am

1 stop5h 10m

$175

IndianapolisSt. Louis

IND - STL

INDSTL

Indianapolis

Wed 8/13

12:30 pm-3:47 pm

1 stop4h 17m

Lambert-St Louis

Mon 8/18

5:30 pm-11:28 pm

1 stop4h 58m

$177

IndianapolisChicago

IND - ORD

INDORD

Indianapolis

Thu 8/7

4:43 pm-4:59 pm

Nonstop1h 16m

Chicago O'Hare Intl

Mon 8/11

3:40 pm-5:53 pm

Nonstop1h 13m

$186

IndianapolisChicago

IND - MDW

INDMDW

Indianapolis

Mon 7/7

6:00 am-11:41 am

1 stop6h 41m

Chicago Midway

Thu 7/10

2:44 pm-12:43 am

1 stop8h 59m

$195

IndianapolisChicago

IND - ORD

INDORD

Indianapolis

Tue 9/16

5:30 am-4:12 pm

1 stop11h 42m

Chicago O'Hare Intl

Thu 9/18

5:17 pm-9:18 am

1 stop15h 01m

$213

IndianapolisChicago

IND - ORD

INDORD

Indianapolis

Thu 8/14

10:00 am-7:07 pm

1 stop10h 07m

Chicago O'Hare Intl

Thu 8/21

5:05 am-5:09 pm

1 stop11h 04m

$214

IndianapolisSt. Louis

IND - STL

INDSTL

Indianapolis

Fri 8/15

1:00 pm-9:11 am

1 stop21h 11m

Lambert-St Louis

Sun 8/17

7:59 pm-10:45 am

1 stop13h 46m

$227

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Showing 1-10 of 36 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 July 1, 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 July 1, 2025.

The most flights from IND to USIL are scheduled on a Tuesday (62 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (7 on average).

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 July 1, 2025.
Get a feel of what it's like to fly with Southwest, Delta, and United 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.
Southwest
8.0
Very good
4,275 reviews

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Southwest
8.0
Very good
4,275 reviews
Southwest
8.0
Very good
4,275 reviews

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Delta
8.0
Very good
7,974 reviews
Southwest
8.0
Very good
4,275 reviews

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
United Airlines
7.4
Good
8,858 reviews
Southwest
8.0
Very good
4,275 reviews

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,275 reviews

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Allegiant Air
7.2
Good
710 reviews
Southwest
8.0
Very good
4,275 reviews

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Entertainment

7.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

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.

  • 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 $79 on Southwest. Other airlines that offer cheap prices include Frontier from $82 and United Airlines from $91 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 Japan Airlines (98%), GoJet (96%) and Copa Airlines (93%).

  • What are the cheapest flights from Indianapolis to Illinois?

    On average you can expect to pay $1,628 for a flight from Indianapolis to Illinois. The cheapest flight overall is $130 while the most popular route, (Indianapolis - Chicago O'Hare Intl) is currently priced at $137.

  • 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 July 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$179Average$298FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$179Average$241FlexibilityNo cancel feeOn-time71%

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