What airlines fly to Illinois?

United Airlines, American Airlines and Southwest are the top three most popular airlines that fly to Illinois from Indianapolis according to our data. United Airlines is the first choice among our users, with 56% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 3 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

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

The number of flights available between Indianapolis and Illinois is 397 per week as of May 2026. The most frequent departure day is Thu, with 20% of weekly flights leaving on this day.

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

United Airlines, Delta, and Southwest 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 56 per day as of May 2026. The most frequent departure time is 3:00PM, with 46% of daily flights leaving in the afternoon.

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 May 2026, 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 2026

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Find the cheapest flights from Indianapolis to Illinois

Round-trip

One-way

Last minute

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Cheap round-trip flights

Enter your travel dates to find the best prices.

6:33 am - 7:23 am

IND

ORD

1h 50mnonstop

12:49 pm - 3:03 pm

ORD

IND

1h 14mnonstop

$157American Airlines

Tue, Jul 7 - Tue, Jul 14

6:40 am - 6:50 am

IND

MDW

1h 10mnonstop

10:10 am - 12:10 pm

MDW

IND

1h 00mnonstop

$157Southwest

Tue, Jul 7 - Tue, Jul 14

12:20 pm - 12:42 pm

IND

ORD

1h 22mnonstop

12:49 pm - 3:03 pm

ORD

IND

1h 14mnonstop

$158American Airlines

Tue, Jul 7 - Tue, Jul 21

12:30 pm - 5:55 pm

IND

MDW

6h 25m

1 stop

9:20 pm - 11:30 pm

MDW

IND

1h 10mnonstop

$167Southwest

Tue, Jul 7 - Tue, Jul 14

4:50 pm - 5:00 pm

IND

MDW

1h 10mnonstop

7:50 am - 4:15 pm

MDW

IND

7h 25m

2 stops

$172Southwest

Tue, Jul 7 - Tue, Jul 14

7:47 am - 1:03 pm

IND

ORD

6h 16m

1 stop

7:17 pm - 12:07 am

ORD

IND

3h 50m

1 stop

$177Delta

Tue, Jul 7 - Tue, Jul 14

6:40 am - 10:37 am

IND

ORD

4h 57m

1 stop

2:07 pm - 6:56 pm

ORD

IND

3h 49m

1 stop

$197Delta

Tue, Jul 7 - Tue, Jul 21

7:00 am - 7:21 am

IND

ORD

1h 21mnonstop

10:25 am - 12:42 pm

ORD

IND

1h 17mnonstop

$227United Airlines

Thu, Sep 3 - Thu, Sep 24

10:53 am - 11:10 pm

IND

ORD

13h 17m

1 stop

9:28 am - 9:15 pm

ORD

IND

10h 47m

1 stop

$230Frontier

Wed, Jul 15 - Wed, Jul 22

1:44 pm - 6:18 pm

IND

STL

5h 34m

1 stop

8:08 pm - 8:06 pm

STL

IND

22h 58m

1 stop

$242Frontier

Wed, Jun 24 - Wed, Jul 1

American Airlines flights from Indianapolis to Illinois

Our best American Airlines deals on Indianapolis to Illinois flight tickets

American Airlines

Jul 7

IND7:51 pmIndianapolis

1h 38m

ORD8:29 pmChicago O'Hare Intl

Jul 14

ORD10:30 pmChicago O'Hare Intl

1h 21m

IND12:51 amIndianapolis

$157

American Airlines

Jul 7

IND12:20 pmIndianapolis

1h 22m

ORD12:42 pmChicago O'Hare Intl

Jul 21

ORD12:49 pmChicago O'Hare Intl

1h 14m

IND3:03 pmIndianapolis

$158

American Airlines

Oct 1

IND11:52 amIndianapolis

1h 20m

ORD12:12 pmChicago O'Hare Intl

Oct 5

ORD9:40 amChicago O'Hare Intl

1h 17m

IND11:57 amIndianapolis

$221

United Airlines flights from Indianapolis to Illinois

Our best United Airlines deals on Indianapolis to Illinois flight tickets

United Airlines

Sep 3

IND8:00 amIndianapolis

1h 21m

ORD8:21 amChicago O'Hare Intl

Sep 8

ORD12:56 pmChicago O'Hare Intl

1h 21m

IND3:17 pmIndianapolis

$259

United Airlines

Jul 15

IND7:00 amIndianapolis

1h 21m

ORD7:21 amChicago O'Hare Intl

Jul 22

ORD2:12 pmChicago O'Hare Intl

1h 18m

IND4:30 pmIndianapolis

$262

United Airlines

Aug 7

IND7:00 amIndianapolis

1h 21m

ORD7:21 amChicago O'Hare Intl

Aug 10

ORD2:12 pmChicago O'Hare Intl

1h 18m

IND4:30 pmIndianapolis

$272

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IndianapolisChicago

IND - ORD

INDORD

Indianapolis

Tue 7/7

6:33 am-7:23 am

Nonstop1h 50m

Chicago O'Hare Intl

Tue 7/14

12:49 pm-3:03 pm

Nonstop1h 14m

$157

Quickest round-trip

IndianapolisChicago

IND - MDW

INDMDW

Indianapolis

Tue 7/7

6:40 am-6:50 am

Nonstop1h 10m

Chicago Midway

Tue 7/14

10:10 am-12:10 pm

Nonstop1h 00m

$157

IndianapolisChicago

IND - ORD

INDORD

Indianapolis

Tue 7/7

12:20 pm-12:42 pm

Nonstop1h 22m

Chicago O'Hare Intl

Tue 7/21

12:49 pm-3:03 pm

Nonstop1h 14m

$158

IndianapolisChicago

IND - MDW

INDMDW

Indianapolis

Tue 7/7

12:30 pm-5:55 pm

1 stop6h 25m

Chicago Midway

Tue 7/14

9:20 pm-11:30 pm

Nonstop1h 10m

$167

IndianapolisChicago

IND - MDW

INDMDW

Indianapolis

Tue 7/7

4:50 pm-5:00 pm

Nonstop1h 10m

Chicago Midway

Tue 7/14

7:50 am-4:15 pm

2 stops7h 25m

$172

IndianapolisChicago

IND - ORD

INDORD

Indianapolis

Tue 7/7

7:47 am-1:03 pm

1 stop6h 16m

Chicago O'Hare Intl

Tue 7/14

7:17 pm-12:07 am

1 stop3h 50m

$177

IndianapolisChicago

IND - ORD

INDORD

Indianapolis

Tue 7/7

6:40 am-10:37 am

1 stop4h 57m

Chicago O'Hare Intl

Tue 7/21

2:07 pm-6:56 pm

1 stop3h 49m

$197

IndianapolisChicago

IND - ORD

INDORD

Indianapolis

Thu 9/3

7:00 am-7:21 am

Nonstop1h 21m

Chicago O'Hare Intl

Thu 9/24

10:25 am-12:42 pm

Nonstop1h 17m

$227

IndianapolisChicago

IND - ORD

INDORD

Indianapolis

Wed 7/15

10:53 am-11:10 pm

1 stop13h 17m

Chicago O'Hare Intl

Wed 7/22

9:28 am-9:15 pm

1 stop10h 47m

$230

IndianapolisSt. Louis

IND - STL

INDSTL

Indianapolis

Wed 6/24

1:44 pm-6:18 pm

1 stop5h 34m

Lambert-St Louis

Wed 7/1

8:08 pm-8:06 pm

1 stop22h 58m

$242

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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 January. Flight prices, which tend to average around $99, 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 January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $127.

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 $531. Flights from Indianapolis to Illinois on a Sunday will generally be more expensive and average around $706. 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 $497. Flights in the afternoon are often more expensive with an average ticket price of $893.

What is the cheapest Indianapolis to Illinois flight route?

Fly from Indianapolis to Chicago O'Hare Intl for the best Indianapolis - Illinois flight prices

How far in advance should I book a flight from Indianapolis 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 $309 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 $133 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	$203
Fastest flight time	0h 55m
Direct flights	Every day
Airports in Illinois	98 airports

The best one-way flight to Illinois from Indianapolis in the past 72 hours is $203. The best round-trip flight deal from Indianapolis to Illinois found on momondo in the last 72 hours is $380.

The fastest flight from Indianapolis to Illinois takes 0h 55m

Direct flights go from Indianapolis to Illinois every day.

There are 98 airports in Illinois. From Indianapolis there are direct flights to Chicago O'Hare Intl (ORD), Chicago Midway (MDW).

Search flight deals

Frequently asked questions about flying from Indianapolis to Illinois

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 May 2026, 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 Boeing 737 MAX 8 (16.27% of total bookings). The next most popular plane models are Boeing 737-800 Passenger/BBJ2 (winglets) (9.15%), Airbus A319 (8.87%), and Boeing 737-800 (8.66%).

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 $135	Free Cancellation	Rating 7.1 11,639 reviews	Search American Airlines flights
United Airlines	PriceFrom $157	Free Cancellation	Rating 7.4 9,751 reviews	Search United Airlines flights
Southwest	PriceFrom $192	Free Cancellation	Rating 7.9 4,264 reviews	Search Southwest 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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Popular cities in Illinois

Flights to New Yorkfrom $50

Flights to Los Angelesfrom $65

Flights to Orlandofrom $58

Flights to Miamifrom $71

Flights to Chicagofrom $67

Flights to San Franciscofrom $66

Flights to Las Vegasfrom $50

Flights to Washington, D.C.from $57

Flights to Bostonfrom $63

Flights to Atlantafrom $87

Flights to Fort Lauderdalefrom $58

Flights to Dallasfrom $56

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 7/8. 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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American Airlines flights from Indianapolis to Illinois

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How to get the cheapest flight ticket from Indianapolis to Illinois

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?

What is the cheapest Indianapolis to Illinois flight route?

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

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

Can stopping save me money on Indianapolis to Illinois flights?

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

What airlines fly to Illinois?

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

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

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

Frequently asked questions about flying 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?

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

Indianapolis flight routes

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