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$60+ 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 2/26. Fares are subject to change and may not be available on all flights or dates of travel.
IND — ORD
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap 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 January 29, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Wed 2/256:00 am
IND
-
ORD
1 stop19h 40m
Multiple Airlines
Wed 3/46:02 pm
ORD
-
IND
1 stop23h 29m
Multiple Airlines
Deal found 1/28$121
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Tue 2/246:00 am
IND
-
ORD
1 stop19h 40m
Spirit Airlines
Tue 3/36:51 pm
ORD
-
IND
1 stop27h 34m
Spirit Airlines
Deal found 1/27$128
This Kiwi.com deal was found by Cheapflights users on 1/28. 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 2/207:41 pm
IND
-
ORD
1 stop16h 05m
Multiple Airlines
Mon 2/236:40 am
ORD
-
IND
1 stop15h 45m
Multiple Airlines
Deal found 1/28$133
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Tue 2/248:18 pm
IND
-
ORD
1 stop16h 04m
Spirit Airlines
Wed 2/256:51 pm
ORD
-
IND
1 stop27h 34m
Spirit Airlines
Deal found 1/27$141
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Wed 2/255:45 am
IND
-
ORD
1 stop14h 26m
Spirit Airlines
Fri 2/276:51 pm
ORD
-
IND
1 stop27h 34m
Spirit Airlines
Deal found 1/27$148
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Thu 2/267:27 pm
IND
-
ORD
1 stop16h 24m
Multiple Airlines
Sun 3/16:51 pm
ORD
-
IND
1 stop27h 34m
Multiple Airlines
Deal found 1/28$149
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Tue 2/178:18 pm
IND
-
ORD
1 stop16h 04m
Multiple Airlines
Sat 3/712:05 pm
ORD
-
IND
1 stop10h 20m
Multiple Airlines
Deal found 1/27$152
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Tue 2/249:13 pm
IND
-
STL
1 stop26h 14m
Frontier
Tue 3/33:49 pm
STL
-
IND
1 stop19h 39m
Frontier
Deal found 1/27$152
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Mon 2/912:38 pm
IND
-
ORD
1 stop11h 08m
Frontier
Wed 2/116:02 pm
ORD
-
IND
1 stop23h 29m
Frontier
Deal found 1/27$155
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Tue 2/249:13 pm
IND
-
STL
1 stop26h 14m
Multiple Airlines
Tue 3/33:49 pm
STL
-
IND
1 stop15h 43m
Multiple Airlines
Deal found 1/27$156
This Southwest deal was found by Cheapflights users on 1/27. 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 2/244:25 pm
IND
-
MDW
Nonstop1h 00m
Southwest
Wed 2/258:00 pm
MDW
-
IND
Nonstop1h 05m
Southwest
Deal found 1/27$157
This Southwest deal was found by Cheapflights users on 1/28. 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 2/215:10 pm
IND
-
MDW
Nonstop1h 00m
Southwest
Mon 2/239:40 am
MDW
-
IND
Nonstop1h 10m
Southwest
Deal found 1/28$171

Find flight deals from Indianapolis to Illinois

Keep the following information in mind while searching for Indianapolis to Illinois flight deals. Data was last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$121
(Kiwi.com)

One-way from

$60
(Trip.com)

Popular in

November

Cheapest in

August

Average price

$257

Good round-trip deal

$369 or less

Good one-way deal

$219 or less
Provider with most accurate pricing for Indianapolis-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Indianapolis-Chicago (CHI) flights.
Search Deals
From Indianapolis to Illinois
Search Deals
One-way flight from Indianapolis to Illinois
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($4 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
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.
Search Deals

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 January 29, 2026.
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

Wed 2/25

5:45 am-7:11 pm

1 stop14h 26m

Chicago O'Hare Intl

Fri 2/27

6:51 pm-11:25 pm

1 stop27h 34m

$148

IndianapolisSt. Louis

IND - STL

INDSTL

Indianapolis

Tue 2/24

9:13 pm-10:27 pm

1 stop26h 14m

Lambert-St Louis

Tue 3/3

3:49 pm-12:28 pm

1 stop19h 39m

$152

IndianapolisSt. Louis

IND - STL

INDSTL

Indianapolis

Tue 2/24

9:13 pm-10:27 pm

1 stop26h 14m

Lambert-St Louis

Tue 3/3

3:49 pm-8:32 am

1 stop15h 43m

$156

IndianapolisChicago

IND - ORD

INDORD

Indianapolis

Tue 2/17

7:15 am-7:33 am

Nonstop1h 18m

Chicago O'Hare Intl

Sat 3/7

6:07 pm-8:12 pm

Nonstop1h 05m

$164

IndianapolisChicago

IND - MDW

INDMDW

Indianapolis

Wed 2/25

10:30 am-4:40 pm

1 stop7h 10m

Chicago Midway

Wed 3/4

10:00 am-12:10 pm

Nonstop1h 10m

$167

IndianapolisChicago

IND - ORD

INDORD

Indianapolis

Thu 2/26

6:00 am-6:29 pm

1 stop13h 29m

Chicago O'Hare Intl

Thu 3/5

5:15 am-6:31 pm

2 stops12h 16m

$167

IndianapolisChicago

IND - ORD

INDORD

Indianapolis

Wed 3/4

1:57 pm-2:14 pm

Nonstop1h 17m

Chicago O'Hare Intl

Thu 3/5

6:50 am-8:56 am

Nonstop1h 06m

$171

IndianapolisChicago

IND - MDW

INDMDW

Indianapolis

Sat 2/21

5:10 pm-5:10 pm

Nonstop1h 00m

Chicago Midway

Mon 2/23

9:40 am-11:50 am

Nonstop1h 10m

$171

IndianapolisChicago

IND - MDW

INDMDW

Indianapolis

Tue 2/24

8:30 am-4:40 pm

2 stops9h 10m

Chicago Midway

Wed 2/25

8:00 pm-10:05 pm

Nonstop1h 05m

$172

IndianapolisSt. Louis

IND - STL

INDSTL

Indianapolis

Thu 2/26

7:27 pm-6:51 am

1 stop12h 24m

Lambert-St Louis

Sat 2/28

8:17 pm-3:54 pm

2 stops18h 37m

$173

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 57 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, February is the cheapest month in which you can book a flight from Indianapolis to Illinois (average of $127). Flying from Indianapolis to Illinois in June is currently the most expensive (average of $179). 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 January 29, 2026.

Unlike at noon, when flights are generally more expensive, you can save up to 53% on flights from Indianapolis to Illinois by exploring options for tickets in the morning.

What is the cheapest day to fly from Indianapolis to Illinois?

Use this chart to determine the cheapest time to fly round-trip from Indianapolis to Illinois. Price data was last updated on January 24, 2026.

Travelers seeking maximum savings on their Indianapolis to Illinois flight should consider departing on Thursday evenings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 January 29, 2026.

The most flights from IND to USIL are scheduled on a Wednesday (54 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (33 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 January 29, 2026.
Get a feel of what it's like to fly with Southwest, United Airlines, and American 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
4,267 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,267 reviews
Southwest
8.0
Very good
4,267 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,215 reviews
Southwest
8.0
Very good
4,267 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,205 reviews
Southwest
8.0
Very good
4,267 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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.

  • How long is the flight from Indianapolis to Illinois?

    Spirit Airlines, Frontier, and United Airlines can get you from Indianapolis to Illinois in just under 1h 18m. Your travel time can differ by up to 24h 56m. The distance between Indianapolis and Illinois is about 177 mi. This flight may include one or multiple stops.

  • 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 $88 on Southwest. Other airlines that offer cheap prices include United Airlines from $96 and American Airlines from $98 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 Envoy Air (100%), Royal Jordanian (80%) and Japan Airlines (78%).

  • What are the cheapest flights from Indianapolis to Illinois?

    On average you can expect to pay $939 for a flight from Indianapolis to Illinois. The cheapest flight overall is $137 while the most popular route, (Indianapolis - Chicago O'Hare Intl) is currently priced at $121.

  • 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, February is the cheapest month in which you can book a flight from Indianapolis to Illinois (average of $127). Flying from Indianapolis to Illinois in June is currently the most expensive (average of $179). 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 3 airlines flying from Indianapolis to Illinois

Discover the top 3 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$137Average$245FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$162Average$289FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$192Average$337FlexibilityNo cancel feeOn-time63%

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