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$53+ 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 3/25. Fares are subject to change and may not be available on all flights or dates of travel.
IND — ORD
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
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 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

February

Cheapest in

December

Average price

$337

Good round-trip deal

$382 or less

Good one-way deal

$223 or less
Provider with most accurate pricing for Indianapolis-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for Indianapolis-Chicago (CHI) flights.
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From Indianapolis to Illinois
Search Deals
One-way flight from Indianapolis to Illinois
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($25 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($6 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 Indianapolis to Illinois.
Search Deals
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 February 20, 2025.

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.
Wed 3/128:55 amIND - ORD
1 stop8h 36mFrontier
Tue 4/19:22 amORD - IND
1 stop6h 02mFrontier
Deal found 2/20$110
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/196:59 pmIND - ORD
1 stop13h 35mSpirit Airlines
Wed 3/265:55 amORD - IND
1 stop11h 08mSpirit Airlines
Deal found 2/19$123
This Justfly.com 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/76:59 pmIND - ORD
1 stop13h 35mMultiple Airlines
Mon 4/1410:20 amORD - IND
1 stop5h 44mMultiple Airlines
Deal found 2/19$139
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/68:00 amIND - STL
1 stop6h 03mAmerican Airlines
Mon 3/101:51 pmSTL - IND
1 stop7h 11mAmerican Airlines
Deal found 2/19$237
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.
Sat 4/512:50 pmIND - ORD
Nonstop1h 19mUnited Airlines
Sun 4/69:25 pmORD - IND
Nonstop1h 19mUnited Airlines
Deal found 2/19$247
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1212:57 pmIND - MDW
1 stop6h 21mDelta
Tue 4/11:16 pmMDW - IND
1 stop4h 47mDelta
Deal found 2/20$247
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.
Sun 3/2310:48 amIND - ORD
Nonstop1h 17mAmerican Airlines
Sat 3/298:10 amORD - IND
Nonstop1h 04mAmerican Airlines
Deal found 2/20$248
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 6/105:40 amIND - ORD
1 stop6h 05mSouthwest
Tue 6/171:30 pmORD - IND
1 stop8h 10mSouthwest
Deal found 2/20$265
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.
Sat 4/197:40 amIND - MDW
1 stop5h 30mSouthwest
Sat 4/192:10 pmMDW - IND
1 stop6h 45mSouthwest
Deal found 2/19$265
This Delta deal was found by Cheapflights users on 2/18. 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.
Thu 5/2210:25 amIND - ORD
1 stop3h 14mDelta
Sat 5/318:55 amORD - IND
1 stop5h 18mDelta
Deal found 2/18$267
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/137:59 pmIND - STL
1 stop4h 05mDelta
Tue 4/1511:23 amSTL - IND
1 stop5h 34mDelta
Deal found 2/19$267
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.
Wed 5/79:00 amIND - STL
1 stop6h 47mUnited Airlines
Fri 5/95:29 pmSTL - IND
1 stop3h 50mUnited Airlines
Deal found 2/19$268

Find flights from Indianapolis to Illinois within your budget

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 February 20, 2025.

Fly from

Indianapolis

Fly to

Illinois

Route

Depart

Return

Price

IndianapolisChicago

IND - ORD

INDORD

Indianapolis

Tue 3/11

6:47 pm-12:23 am

1 stop6h 36m

Chicago O'Hare Intl

Thu 3/13

8:10 am-7:21 pm

1 stop10h 11m

$130

IndianapolisChicago

IND - ORD

INDORD

Indianapolis

Wed 3/5

7:02 pm-7:44 am

1 stop13h 42m

Chicago O'Hare Intl

Tue 3/11

5:55 am-6:03 pm

1 stop11h 08m

$132

IndianapolisChicago

IND - ORD

INDORD

Indianapolis

Mon 4/7

6:59 pm-7:34 am

1 stop13h 35m

Chicago O'Hare Intl

Mon 4/14

10:20 am-5:04 pm

1 stop5h 44m

$139

IndianapolisSt. Louis

IND - STL

INDSTL

Indianapolis

Thu 3/6

8:00 am-1:03 pm

1 stop6h 03m

Lambert-St Louis

Mon 3/10

1:51 pm-10:02 pm

1 stop7h 11m

$237

IndianapolisChicago

IND - MDW

INDMDW

Indianapolis

Wed 3/12

12:57 pm-6:18 pm

1 stop6h 21m

Chicago Midway

Tue 4/1

1:16 pm-7:03 pm

1 stop4h 47m

$247

IndianapolisChicago

IND - ORD

INDORD

Indianapolis

Sat 3/22

3:09 pm-3:22 pm

Nonstop1h 13m

Chicago O'Hare Intl

Mon 3/24

3:10 pm-5:11 pm

Nonstop1h 01m

$247

IndianapolisChicago

IND - MDW

INDMDW

Indianapolis

Sat 4/19

7:40 am-12:10 pm

1 stop5h 30m

Chicago Midway

Sat 4/19

2:10 pm-9:55 pm

1 stop6h 45m

$265

IndianapolisSt. Louis

IND - STL

INDSTL

Indianapolis

Sun 4/13

7:59 pm-11:04 pm

1 stop4h 05m

Lambert-St Louis

Tue 4/15

11:23 am-5:57 pm

1 stop5h 34m

$267

IndianapolisSt. Louis

IND - STL

INDSTL

Indianapolis

Wed 5/7

9:00 am-2:47 pm

1 stop6h 47m

Lambert-St Louis

Fri 5/9

5:29 pm-10:19 pm

1 stop3h 50m

$268

IndianapolisSt. Louis

IND - STL

INDSTL

Indianapolis

Fri 3/7

10:14 pm-9:09 am

1 stop11h 55m

Lambert-St Louis

Sun 3/9

5:38 pm-9:18 am

1 stop14h 40m

$273

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 30 results
1
2
3

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.

Travel insights for flights from Indianapolis to Illinois

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

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 February 20, 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 February 20, 2025.

The most flights from IND to USIL are scheduled on a Thursday (61 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (35 on average).

Rainfall in Illinois by month

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

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

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

If weather is an important factor for your trip to Illinois, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 February 20, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta and United Airlines from Indianapolis to Illinois to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Boarding

8.2

Comfort

8.1

Overall

8.1

Crew

8.7

Entertainment

7.6

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

Food

7.1

Boarding

8.2

Comfort

8.1

Overall

8.1

Crew

8.7

Entertainment

7.6

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

Food

7.1

Boarding

8.2

Comfort

8.1

Overall

8.1

Crew

8.7

Entertainment

7.6

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

Food

7.1

Boarding

8.2

Comfort

8.1

Overall

8.1

Crew

8.7

Entertainment

7.6

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

Food

7.1

Boarding

8.2

Comfort

8.1

Overall

8.1

Crew

8.7

Entertainment

7.6

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.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,411 reviews

Food

7.1

Boarding

8.2

Comfort

8.1

Overall

8.1

Crew

8.7

Entertainment

7.6

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 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 $53 on Spirit Airlines. Other airlines that offer cheap prices include Frontier from $55 and Allegiant Air from $108 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 Turkish Airlines (100%), Emirates (95%) and Copa Airlines (88%).

  • What are the cheapest flights from Indianapolis to Illinois?

    On average you can expect to pay $1,035 for a flight from Indianapolis to Illinois. The cheapest flight overall is $126 while the most popular route, (Indianapolis - Chicago O'Hare Intl) is currently priced at $123.

  • 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.

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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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$178Average$274FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$179Average$294FlexibilityNo cancel feeOn-time69%
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