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

Ethiopian Air, KLM, and American Airlines are the most popular carriers operating from Chennai to Illinois

What airlines fly to Illinois?

Etihad Airways, Emirates and Qatar Airways are the top three most popular airlines that fly to Illinois from Chennai according to our data. Etihad Airways is the first choice among our users, with 63% 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 Chennai Airport to Illinois?

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

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

There are 6 operators available for flights from Chennai Airport to Illinois as of July 2026.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Chennai Airport to Illinois.

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

The required travel and health documents for your Illinois trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$615 Cheap Flights from Chennai to Illinois in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Chennai to Illinois

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:00 am - 7:55 am

MAA

ORD

33h 25m

1 stop

8:20 pm - 8:10 am

ORD

MAA

24h 20m

1 stop

$1,008Etihad Airways

Wed, Dec 16 - Fri, Jan 15

3:55 am - 7:55 am

MAA

ORD

39h 30m

1 stop

1:10 pm - 7:55 pm

ORD

MAA

19h 15m

1 stop

$1,009Etihad Airways

Thu, Dec 10 - Mon, Jan 18

4:10 pm - 7:55 am

MAA

ORD

27h 15m

1 stop

8:20 pm - 2:30 am

ORD

MAA

18h 40m

1 stop

$1,011Etihad Airways

Fri, Nov 20 - Thu, Dec 31

1:45 am - 2:52 pm

MAA

ORD

24h 37m

2 stops

4:30 pm - 12:05 am

ORD

MAA

44h 05m

2 stops

$1,012Air Canada

Sun, Dec 13 - Sun, Jan 3

5:35 am - 5:00 am

MAA

ORD

33h 55m

2 stops

9:50 pm - 5:35 am

ORD

MAA

20h 15m

1 stop

$1,018British Airways

Mon, Oct 12 - Thu, Jan 28

9:50 am - 3:45 pm

MAA

ORD

40h 25m

1 stop

8:35 pm - 8:30 pm

ORD

MAA

37h 25m

1 stop

$1,019Emirates

Thu, Oct 8 - Sun, Oct 11

3:50 am - 2:55 pm

MAA

ORD

22h 35m

1 stop

7:45 pm - 2:15 am

ORD

MAA

19h 00m

1 stop

$1,021Emirates

Tue, Nov 17 - Thu, Dec 31

7:35 am - 9:52 pm

MAA

STL

49h 47m

2 stops

5:27 pm - 5:35 am

STL

MAA

48h 38m

2 stops

$1,218British Airways

Wed, Dec 2 - Sun, Dec 6

4:05 am - 7:21 pm

MAA

STL

25h 46m

2 stops

11:50 am - 2:30 am

STL

MAA

27h 10m

2 stops

$1,669Qatar Airways

Mon, Jul 27 - Sun, Dec 6

4:05 am - 7:21 pm

MAA

STL

25h 46m

2 stops

2:54 pm - 2:30 am

STL

MAA

24h 06m

2 stops

$1,701Qatar Airways

Fri, Jul 31 - Sun, Dec 6

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Oman Air flights from Chennai to Illinois

Our best Oman Air deals on Chennai to Illinois flight tickets

Oman Air

Oct 23

MAA8:15 amChennai

42h 25m

2 stops

ORD4:10 pmChicago O'Hare Intl

Jan 11

ORD6:50 pmChicago O'Hare Intl

32h 00m

2 stops

MAA2:20 pmChennai

$1,038

Oman Air

Nov 21

MAA7:20 amChennai

43h 25m

2 stops

ORD3:15 pmChicago O'Hare Intl

Jan 9

ORD6:50 pmChicago O'Hare Intl

24h 20m

2 stops

MAA6:40 amChennai

$1,047

Oman Air

Oct 10

MAA8:15 amChennai

42h 25m

2 stops

ORD4:10 pmChicago O'Hare Intl

Jan 29

ORD6:50 pmChicago O'Hare Intl

56h 00m

2 stops

MAA2:20 pmChennai

$1,053

Etihad Airways flights from Chennai to Illinois

Our best Etihad Airways deals on Chennai to Illinois flight tickets

Etihad Airways

Dec 16

MAA10:00 amChennai

33h 25m

1 stop

ORD7:55 amChicago O'Hare Intl

Jan 15

ORD8:20 pmChicago O'Hare Intl

24h 20m

1 stop

MAA8:10 amChennai

$1,008

Etihad Airways

Dec 10

MAA3:55 amChennai

39h 30m

1 stop

ORD7:55 amChicago O'Hare Intl

Jan 18

ORD1:10 pmChicago O'Hare Intl

19h 15m

1 stop

MAA7:55 pmChennai

$1,009

Etihad Airways

Nov 20

MAA4:10 pmChennai

27h 15m

1 stop

ORD7:55 amChicago O'Hare Intl

Dec 31

ORD8:20 pmChicago O'Hare Intl

18h 40m

1 stop

MAA2:30 amChennai

$1,011

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Wed 12/16

10:00 am-7:55 am

1 stop33h 25m

Chicago O'Hare Intl

Fri 1/15

8:20 pm-8:10 am

1 stop24h 20m

$1,008

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Thu 12/10

3:55 am-7:55 am

1 stop39h 30m

Chicago O'Hare Intl

Mon 1/18

1:10 pm-7:55 pm

1 stop19h 15m

$1,009

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Fri 11/20

4:10 pm-7:55 am

1 stop27h 15m

Chicago O'Hare Intl

Thu 12/31

8:20 pm-2:30 am

1 stop18h 40m

$1,011

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Sun 12/13

1:45 am-2:52 pm

2 stops24h 37m

Chicago O'Hare Intl

Sun 1/3

4:30 pm-12:05 am

2 stops44h 05m

$1,012

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Mon 10/12

5:35 am-5:00 am

2 stops33h 55m

Chicago O'Hare Intl

Thu 1/28

9:50 pm-5:35 am

1 stop20h 15m

$1,018

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Thu 10/8

9:50 am-3:45 pm

1 stop40h 25m

Chicago O'Hare Intl

Sun 10/11

8:35 pm-8:30 pm

1 stop37h 25m

$1,019

Quickest round-trip

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Tue 11/17

3:50 am-2:55 pm

1 stop22h 35m

Chicago O'Hare Intl

Thu 12/31

7:45 pm-2:15 am

1 stop19h 00m

$1,021

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Wed 12/2

7:35 am-9:52 pm

2 stops49h 47m

Lambert-St Louis

Sun 12/6

5:27 pm-5:35 am

2 stops48h 38m

$1,218

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Mon 7/27

4:05 am-7:21 pm

2 stops25h 46m

Lambert-St Louis

Sun 12/6

11:50 am-2:30 am

2 stops27h 10m

$1,669

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Fri 7/31

4:05 am-7:21 pm

2 stops25h 46m

Lambert-St Louis

Sun 12/6

2:54 pm-2:30 am

2 stops24h 06m

$1,701

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 Chennai 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

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from Chennai is in April. Flight prices, which tend to average around $408, 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 April, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $677.

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

You are more likely to see cheaper flights to Illinois from Chennai when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $1,022 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Chennai for as low as $910 on momondo.

Can stopping save me money on Chennai to Illinois flights?

You could potentially save up to 31% on your flight if you consider stops on a Chennai to Illinois flight.

Cheap Chennai to Illinois flight deals and tips

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

Fastest flight time	21h 10m
Direct flights	None

The fastest flight from Chennai to Illinois takes 21h 10m

There are no direct flights from Chennai to Illinois. There are no popular flight routes from Chennai to Illinois.

Search flight deals

Frequently asked questions about flying from Chennai to Illinois

When did momondo last update prices for flights from Chennai Airport to Illinois?
Prices for flights from Chennai Airport to Illinois are refreshed on a daily basis.
How many operators does momondo search for flights from Chennai Airport to Illinois?
There are 6 operators available for flights from Chennai Airport to Illinois as of July 2026.
How old do you have to be to fly from Chennai Airport to Illinois?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Chennai Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The required travel and health documents for your Illinois trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Chennai to Illinois

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

Airline	Rating	Free Cancellation	Price
Etihad Airways	PriceFrom $775	Free Cancellation	Rating 7.3 1,479 reviews	Search Etihad Airways flights
Air India	PriceFrom $785	Free Cancellation	Rating 5.6 2,958 reviews	Search Air India flights
Qatar Airways	PriceFrom $822	Free Cancellation	Rating 7.3 3,743 reviews	Search Qatar Airways flights
Lufthansa	PriceFrom $906	Free Cancellation	Rating 6.8 8,139 reviews	Search Lufthansa flights
Emirates	PriceFrom $959	Free Cancellation	Rating 8.1 3,628 reviews	Search Emirates flights

Why use momondo?

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

It is quick and easy to find Chennai to Illinois flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Illinois that suits you.

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

momondo does allow users to show only those flights to Illinois from Chennai which offer a flexible booking policy as well as other useful filters and features.

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

Once all potential Chennai to Illinois flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Price alerts on flights to Illinois from Chennai 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.