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$70+ 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
IND — ORD
mar. 31 — abr. 71
lun. 3/31
lun. 4/7
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 marzo 26, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$160
(Frontier)

One-way from

$70
(Mytrip)

Popular in

March

Cheapest in

December

Average price

$362

Good round-trip deal

$416 or less

Good one-way deal

$226 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
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One-way flight from Indianapolis to Illinois
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Highest demand for flights based on searches. 11% potential increase in price ($36 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($9 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 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 marzo 26, 2025.

This Frontier deal was found by Cheapflights users on 3/25. 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.
mar. 4/16:47 pmIND - ORD
1 stop6h 28mFrontier
mar. 4/89:22 amORD - IND
1 stop6h 02mFrontier
Deal found 3/25$160
This Mytrip deal was found by Cheapflights users on 3/25. 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.
mar. 4/222:36 pmIND - ORD
1 stop17h 27mSpirit Airlines
mar. 4/295:45 pmORD - IND
1 stop18h 56mSpirit Airlines
Deal found 3/25$172
This United Airlines deal was found by Cheapflights users on 3/25. 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.
mar. 4/2211:20 amIND - STL
1 stop5h 27mUnited Airlines
mar. 4/298:00 amSTL - IND
1 stop6h 15mUnited Airlines
Deal found 3/25$217
This Southwest deal was found by Cheapflights users on 3/25. 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.
mar. 4/227:40 amIND - STL
2 stops6h 50mSouthwest
mar. 4/291:00 pmSTL - IND
1 stop7h 55mSouthwest
Deal found 3/25$222
This Delta deal was found by Cheapflights users on 3/25. 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.
mié. 4/166:20 amIND - STL
1 stop4h 08mDelta
vie. 4/184:05 pmSTL - IND
1 stop4h 43mDelta
Deal found 3/25$232
This United Airlines deal was found by Cheapflights users on 3/25. 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.
mié. 7/166:11 pmIND - ORD
Nonstop1h 20mUnited Airlines
jue. 7/172:21 pmORD - IND
Nonstop1h 11mUnited Airlines
Deal found 3/25$239
This Southwest deal was found by Cheapflights users on 3/25. 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.
lun. 8/255:15 pmIND - MDW
Nonstop1h 05mSouthwest
jue. 8/288:55 pmMDW - IND
Nonstop1h 00mSouthwest
Deal found 3/25$239
This American Airlines deal was found by Cheapflights users on 3/25. 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.
jue. 4/175:45 amIND - ORD
Nonstop1h 15mAmerican Airlines
dom. 4/2010:10 pmORD - IND
Nonstop1h 07mAmerican Airlines
Deal found 3/25$241
This Delta deal was found by Cheapflights users on 3/25. 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.
mar. 5/612:26 pmIND - ORD
1 stop5h 38mDelta
lun. 5/125:15 pmORD - IND
1 stop5h 44mDelta
Deal found 3/25$247
This Delta deal was found by Cheapflights users on 3/23. 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.
jue. 4/246:20 amIND - MDW
1 stop3h 20mDelta
lun. 4/283:02 pmMDW - IND
1 stop5h 07mDelta
Deal found 3/23$247
This Southwest deal was found by Cheapflights users on 3/25. 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.
mié. 7/165:40 amIND - ORD
1 stop6h 05mSouthwest
jue. 7/171:50 pmORD - IND
1 stop9h 30mSouthwest
Deal found 3/25$264
This Mytrip deal was found by Cheapflights users on 3/26. 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.
jue. 5/12:42 pmIND - ORD
2 stops18h 22mMultiple Airlines
jue. 5/89:08 pmORD - IND
2 stops25h 51mMultiple Airlines
Deal found 3/26$270

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 marzo 26, 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

mié. 7/2

5:20 pm-12:20 am

1 stop8h 00m

Chicago O'Hare Intl

mié. 8/13

5:10 am-4:36 pm

1 stop10h 26m

$160

IndianapolisChicago

IND - ORD

INDORD

Indianapolis

mar. 4/22

2:36 pm-7:03 am

1 stop17h 27m

Chicago O'Hare Intl

mar. 4/29

5:45 pm-1:41 pm

1 stop18h 56m

$172

IndianapolisSt. Louis

IND - STL

INDSTL

Indianapolis

mar. 4/22

11:20 am-3:47 pm

1 stop5h 27m

Lambert-St Louis

mar. 4/29

8:00 am-3:15 pm

1 stop6h 15m

$217

IndianapolisSt. Louis

IND - STL

INDSTL

Indianapolis

mar. 4/22

7:40 am-1:30 pm

2 stops6h 50m

Lambert-St Louis

mar. 4/29

1:00 pm-9:55 pm

1 stop7h 55m

$222

IndianapolisSt. Louis

IND - STL

INDSTL

Indianapolis

mié. 4/16

6:20 am-9:28 am

1 stop4h 08m

Lambert-St Louis

vie. 4/18

4:05 pm-9:48 pm

1 stop4h 43m

$232

IndianapolisChicago

IND - ORD

INDORD

Indianapolis

mié. 7/16

6:11 pm-6:31 pm

Nonstop1h 20m

Chicago O'Hare Intl

jue. 7/17

2:21 pm-4:32 pm

Nonstop1h 11m

$239

IndianapolisChicago

IND - MDW

INDMDW

Indianapolis

lun. 8/25

5:15 pm-5:20 pm

Nonstop1h 05m

Chicago Midway

jue. 8/28

8:55 pm-10:55 pm

Nonstop1h 00m

$239

IndianapolisChicago

IND - ORD

INDORD

Indianapolis

jue. 4/17

5:45 am-6:00 am

Nonstop1h 15m

Chicago O'Hare Intl

dom. 4/20

10:10 pm-12:17 am

Nonstop1h 07m

$241

IndianapolisChicago

IND - ORD

INDORD

Indianapolis

mar. 5/6

12:26 pm-5:04 pm

1 stop5h 38m

Chicago O'Hare Intl

jue. 5/15

3:33 pm-11:23 pm

1 stop6h 50m

$247

IndianapolisChicago

IND - MDW

INDMDW

Indianapolis

jue. 4/24

6:20 am-8:40 am

1 stop3h 20m

Chicago Midway

lun. 4/28

3:02 pm-9:09 pm

1 stop5h 07m

$247

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

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 $323). 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 marzo 26, 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 marzo 26, 2025.

The most flights from IND to USIL are scheduled on a Wednesday (65 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (7 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 marzo 26, 2025.
Peruse reviews from past customers who have flown with Southwest, Alaska Airlines and Delta 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
4,273 reviews

Comfort

8.1

Crew

8.6

Overall

8.1

Boarding

8.2

Food

7.1

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.1
Very good
4,273 reviews
Southwest
8.1
Very good
4,273 reviews

Comfort

8.1

Crew

8.6

Overall

8.1

Boarding

8.2

Food

7.1

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Alaska Airlines
8.0
Very good
9,789 reviews
Southwest
8.1
Very good
4,273 reviews

Comfort

8.1

Crew

8.6

Overall

8.1

Boarding

8.2

Food

7.1

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,891 reviews
Southwest
8.1
Very good
4,273 reviews

Comfort

8.1

Crew

8.6

Overall

8.1

Boarding

8.2

Food

7.1

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,608 reviews
Southwest
8.1
Very good
4,273 reviews

Comfort

8.1

Crew

8.6

Overall

8.1

Boarding

8.2

Food

7.1

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,273 reviews

Comfort

8.1

Crew

8.6

Overall

8.1

Boarding

8.2

Food

7.1

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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 $70 on Spirit Airlines. Other airlines that offer cheap prices include Frontier from $79 and Allegiant Air from $109 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 Emirates (95%), Copa Airlines (93%) and Air New Zealand (89%).

  • What are the cheapest flights from Indianapolis to Illinois?

    On average you can expect to pay $1,913 for a flight from Indianapolis to Illinois. The cheapest flight overall is $136 while the most popular route, (Indianapolis - Chicago O'Hare Intl) is currently priced at $126.

  • 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 $323). 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 marzo 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$179Average$279FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$189Average$306FlexibilityNo cancel feeOn-time69%
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