What is the cheapest airline that flies from Indianapolis to Illinois?

Frontier, Spirit Airlines, and American Airlines are the most popular carriers operating from Indianapolis to Illinois

How many flights depart from Indianapolis to Illinois on average per day?

The number of flights available between Indianapolis and Illinois is 43 per day as of July 2025. The most frequent departure time is 4:00PM, with 39% of daily flights leaving at noon.

How many flights depart from Indianapolis to Illinois on average per week?

The number of flights available between Indianapolis and Illinois is 307 per week as of July 2025. The most frequent departure day is Thu, with 23% of weekly flights leaving on this day.

What airlines fly to Illinois?

American Airlines, United Airlines and Southwest are the top three most popular airlines that fly to Illinois from Indianapolis according to our data. American Airlines is the first choice among our users, with 52% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 5 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Indianapolis Airport to Illinois?

Prices for flights from Indianapolis Airport to Illinois are refreshed on a daily basis.

How many operators does momondo search for flights from Indianapolis Airport to Illinois?

As of July 2025, there are 3 operators available to choose from for flights from Indianapolis Airport to Illinois.

How old do you have to be to fly from Indianapolis Airport to Illinois?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Indianapolis Airport to Illinois.

What documentation or ID do you need to fly to Illinois?

The travel and health documents required for your trip to Illinois can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$79 Cheap Flights from Indianapolis to Illinois in 2025

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Find the cheapest flights from Indianapolis to Illinois

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

5:01 pm - 9:37 amIND-ORD

17h 36m1 stop

7:20 am - 3:34 pmORD-IND

7h 14m1 stop

$165Frontier

Find Deal

Sat, Sep 27 - Sat, Oct 11

4:25 pm - 10:37 amIND-ORD

19h 12m1 stop

6:00 am - 8:14 pmORD-IND

13h 14m1 stop

$167Frontier

Find Deal

Sat, Aug 23 - Mon, Aug 25

2:20 pm - 2:37 pmIND-ORD

1h 17mnonstop

2:20 pm - 4:32 pmORD-IND

1h 12mnonstop

$177United Airlines

Find Deal

Wed, Aug 27 - Wed, Sep 3

4:05 pm - 4:15 pmIND-MDW

1h 10mnonstop

10:00 am - 12:05 pmMDW-IND

1h 05mnonstop

$177Southwest

Find Deal

Sat, Aug 30 - Tue, Sep 2

7:30 am - 7:40 amIND-MDW

1h 10mnonstop

10:05 am - 5:10 pmMDW-IND

6h 05m1 stop

$187Southwest

Find Deal

Tue, Sep 23 - Tue, Sep 30

10:31 am - 10:57 amIND-ORD

1h 26mnonstop

10:07 pm - 12:20 amORD-IND

1h 13mnonstop

$191American Airlines

Find Deal

Sat, Aug 23 - Mon, Aug 25

4:42 pm - 5:07 pmIND-ORD

1h 25mnonstop

4:55 pm - 7:09 pmORD-IND

1h 14mnonstop

$192American Airlines

Find Deal

Sat, Nov 8 - Mon, Nov 10

6:15 am - 4:10 pmIND-ORD

10h 55m1 stop

5:16 pm - 9:18 amORD-IND

15h 02m1 stop

$212Spirit Airlines

Find Deal

Wed, Aug 27 - Wed, Sep 3

6:15 am - 10:22 pmIND-ORD

17h 07m1 stop

5:17 pm - 9:18 amORD-IND

15h 01m1 stop

$213Spirit Airlines

Find Deal

Tue, Sep 2 - Thu, Sep 4

4:40 pm - 4:57 pmIND-ORD

1h 17mnonstop

9:12 pm - 11:31 pmORD-IND

1h 19mnonstop

$237United Airlines

Find Deal

Sat, Sep 13 - Wed, Sep 17

Frontier flights from Indianapolis to Illinois

Our best Frontier deals on Indianapolis to Illinois flight tickets

Frontier

Sep 27

IND5:01 pmIndianapolis

17h 36m

1 stop

ORD9:37 amChicago O'Hare Intl

Oct 11

ORD7:20 amChicago O'Hare Intl

7h 14m

1 stop

IND3:34 pmIndianapolis

$165

Find similar

Frontier

Aug 23

IND4:25 pmIndianapolis

19h 12m

1 stop

ORD10:37 amChicago O'Hare Intl

Aug 25

ORD6:00 amChicago O'Hare Intl

13h 14m

1 stop

IND8:14 pmIndianapolis

$167

Find similar

Frontier

Aug 23

IND4:25 pmIndianapolis

8h 14m

1 stop

ORD11:39 pmChicago O'Hare Intl

Aug 25

ORD6:00 amChicago O'Hare Intl

13h 14m

1 stop

IND8:14 pmIndianapolis

$168

Find similar

American Airlines flights from Indianapolis to Illinois

Our best American Airlines deals on Indianapolis to Illinois flight tickets

American Airlines

Aug 23

IND10:31 amIndianapolis

1h 26m

ORD10:57 amChicago O'Hare Intl

Aug 25

ORD10:07 pmChicago O'Hare Intl

1h 13m

IND12:20 amIndianapolis

$191

Find similar

American Airlines

Nov 8

IND4:42 pmIndianapolis

1h 25m

ORD5:07 pmChicago O'Hare Intl

Nov 10

ORD4:55 pmChicago O'Hare Intl

1h 14m

IND7:09 pmIndianapolis

$192

Find similar

American Airlines

Aug 23

IND12:14 pmIndianapolis

4h 35m

1 stop

STL3:49 pmLambert-St Louis

Aug 25

STL7:59 pmLambert-St Louis

3h 21m

1 stop

IND12:20 amIndianapolis

$204

Find similar

Fly from

Fly to

Route

Depart

Return

Price

IndianapolisChicago

IND - ORD

INDORD

Indianapolis

Sat 9/27

5:01 pm-9:37 am

1 stop17h 36m

Chicago O'Hare Intl

Sat 10/11

7:20 am-3:34 pm

1 stop7h 14m

$165

IndianapolisChicago

IND - ORD

INDORD

Indianapolis

Sat 8/23

4:25 pm-10:37 am

1 stop19h 12m

Chicago O'Hare Intl

Mon 8/25

6:00 am-8:14 pm

1 stop13h 14m

$167

IndianapolisChicago

IND - ORD

INDORD

Indianapolis

Wed 8/27

2:20 pm-2:37 pm

Nonstop1h 17m

Chicago O'Hare Intl

Wed 9/3

2:20 pm-4:32 pm

Nonstop1h 12m

$177

IndianapolisChicago

IND - MDW

INDMDW

Indianapolis

Sat 8/30

4:05 pm-4:15 pm

Nonstop1h 10m

Chicago Midway

Tue 9/2

10:00 am-12:05 pm

Nonstop1h 05m

$177

IndianapolisChicago

IND - MDW

INDMDW

Indianapolis

Tue 9/23

7:30 am-7:40 am

Nonstop1h 10m

Chicago Midway

Tue 9/30

10:05 am-5:10 pm

1 stop6h 05m

$187

IndianapolisChicago

IND - ORD

INDORD

Indianapolis

Sat 8/23

10:31 am-10:57 am

Nonstop1h 26m

Chicago O'Hare Intl

Mon 8/25

10:07 pm-12:20 am

Nonstop1h 13m

$191

IndianapolisChicago

IND - ORD

INDORD

Indianapolis

Sat 11/8

4:42 pm-5:07 pm

Nonstop1h 25m

Chicago O'Hare Intl

Mon 11/10

4:55 pm-7:09 pm

Nonstop1h 14m

$192

IndianapolisChicago

IND - ORD

INDORD

Indianapolis

Wed 8/27

6:15 am-4:10 pm

1 stop10h 55m

Chicago O'Hare Intl

Wed 9/3

5:16 pm-9:18 am

1 stop15h 02m

$212

IndianapolisChicago

IND - ORD

INDORD

Indianapolis

Tue 9/2

6:15 am-10:22 pm

1 stop17h 07m

Chicago O'Hare Intl

Thu 9/4

5:17 pm-9:18 am

1 stop15h 01m

$213

IndianapolisChicago

IND - ORD

INDORD

Indianapolis

Sat 9/13

4:40 pm-4:57 pm

Nonstop1h 17m

Chicago O'Hare Intl

Wed 9/17

9:12 pm-11:31 pm

Nonstop1h 19m

$237

Flights are sorted by cheapest round-trip flights first.

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How to get the cheapest flight ticket from Indianapolis to Illinois

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from Indianapolis is in December. Flight prices, which tend to average around $229, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of December, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $239.

What is the cheapest day to depart on your flight to Illinois?

The cheapest day to depart from Indianapolis to Illinois is on a Thursday when prices can be found for as low as $593. Flights from Indianapolis to Illinois on a Sunday will generally be more expensive and average around $769. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Illinois?

Our most recent data shows that the best time of day to fly to Illinois is in the morning. Flights from Indianapolis to Illinois during this time can be as low as $539. Flights at noon are often more expensive with an average ticket price of $1,080.

What is the cheapest Indianapolis to Illinois flight route?

Fly from Indianapolis to Chicago Midway for the best Indianapolis - Illinois flight prices

How far in advance should I book a flight to Illinois?

You are more likely to see cheaper flights to Illinois from Indianapolis when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $275 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Indianapolis for as low as $166 on momondo.

What cabin class options are available on Indianapolis to Illinois flights?

There are 4 cabin classes available to choose from on Indianapolis to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Indianapolis to Illinois flights?

No. A direct flight is the cheapest option for a flight between Indianapolis to Illinois.

Cheap Indianapolis to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Indianapolis to Illinois

Best Price Found	$79
Fastest flight time	1h 05m
Direct flights	Every day
Airports in Illinois	3 airports

The best one-way flight to Illinois from Indianapolis in the past 72 hours is $79. The best round-trip flight deal from Indianapolis to Illinois found on momondo in the last 72 hours is $165.

The fastest flight from Indianapolis to Illinois takes 1h 05m

Direct flights go from Indianapolis to Illinois every day.

There are 3 airports near Illinois: Chicago O'Hare Intl (ORD), Chicago Midway (MDW), Lambert-St Louis (STL)

Search flight deals

When did momondo last update prices for flights from Indianapolis Airport to Illinois?
Prices for flights from Indianapolis Airport to Illinois are refreshed on a daily basis.
How many operators does momondo search for flights from Indianapolis Airport to Illinois?
As of July 2025, there are 3 operators available to choose from for flights from Indianapolis Airport to Illinois.
How old do you have to be to fly from Indianapolis Airport to Illinois?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Indianapolis Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The travel and health documents required for your trip to Illinois can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Indianapolis to Illinois?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Indianapolis to Illinois is Embraer 175 (10.69% of total bookings). The next most popular plane models are Embraer 170 (10.17%), Boeing 737-800 (10.00%), and Embraer 175 (Enhanced Winglets) (9.48%).

Best airlines flying from Indianapolis to Illinois

Compare and see reviews for airlines that fly from Indianapolis to Illinois with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $161	Free Cancellation	Rating 7.2 10,000 reviews		Search American Airlines flights
United Airlines	PriceFrom $189	Free Cancellation	Rating 7.4 8,900 reviews		Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Indianapolis to Illinois?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Indianapolis to Illinois. momondo saves you time and could save you money on your trip.

Can I find flights from Indianapolis to Illinois with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Indianapolis to Illinois flights to just show those with flexible booking policies.

How can momondo help me find flights from Indianapolis to Illinois?

Once you have performed a search for Indianapolis to Illinois flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Indianapolis to Illinois right now. Can momondo alert me if prices change?

Price alerts on flights to Illinois from Indianapolis are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Popular cities in Illinois

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Flights to Seattlefrom $93

Cheap flights from Indianapolis to Illinois from $79

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Indianapolis to Illinois departing on 8/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Big names and deals

Filter for what you want

Filter for what you want

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Find the cheapest flights from Indianapolis to Illinois

Cheap round-trip flights

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Cheap last minute flights

Cheap direct flights

Frontier flights from Indianapolis to Illinois

Our best Frontier deals on Indianapolis to Illinois flight tickets

American Airlines flights from Indianapolis to Illinois

Our best American Airlines deals on Indianapolis to Illinois flight tickets

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How to get the cheapest flight ticket from Indianapolis to Illinois

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Illinois?

What is the cheapest day to depart on your flight to Illinois?

What is the cheapest time of day to depart on your flight to Illinois?

Our most recent data shows that the best time of day to fly to Illinois is in the morning. Flights from Indianapolis to Illinois during this time can be as low as $539. Flights at noon are often more expensive with an average ticket price of $1,080.

What is the cheapest Indianapolis to Illinois flight route?

Fly from Indianapolis to Chicago Midway for the best Indianapolis - Illinois flight prices

How far in advance should I book a flight to Illinois?

What cabin class options are available on Indianapolis to Illinois flights?

There are 4 cabin classes available to choose from on Indianapolis to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Indianapolis to Illinois flights?

No. A direct flight is the cheapest option for a flight between Indianapolis to Illinois.

What is the cheapest airline that flies from Indianapolis to Illinois?

Frontier, Spirit Airlines, and American Airlines are the most popular carriers operating from Indianapolis to Illinois

What airlines fly to Illinois?

How many flights depart from Indianapolis to Illinois on average per day?

The number of flights available between Indianapolis and Illinois is 43 per day as of July 2025. The most frequent departure time is 4:00PM, with 39% of daily flights leaving at noon.

How many flights depart from Indianapolis to Illinois on average per week?

The number of flights available between Indianapolis and Illinois is 307 per week as of July 2025. The most frequent departure day is Thu, with 23% of weekly flights leaving on this day.

Cheap Indianapolis to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Indianapolis to Illinois

Best Price Found

Fastest flight time

Direct flights

Airports in Illinois

When did momondo last update prices for flights from Indianapolis Airport to Illinois?

How many operators does momondo search for flights from Indianapolis Airport to Illinois?

How old do you have to be to fly from Indianapolis Airport to Illinois?

What documentation or ID do you need to fly to Illinois?

What is the most popular plane model from Indianapolis to Illinois?

Best airlines flying from Indianapolis to Illinois

Compare and see reviews for airlines that fly from Indianapolis to Illinois with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Indianapolis to Illinois?

Can I find flights from Indianapolis to Illinois with flexible booking policies on momondo?

How can momondo help me find flights from Indianapolis to Illinois?

I’m not ready to book a flight from Indianapolis to Illinois right now. Can momondo alert me if prices change?

An easier way to manage your Illinois trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Illinois

Popular cities in Illinois

Popular flights according to clicks in the last 7 days on momondo