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

Air India is the most popular carrier operating from Chennai to Illinois

Which airlines fly to Illinois?

Etihad Airways, British Airways and Emirates 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 40% of people opting to fly with this airline when travelling to Illinois. Keep in mind that there are 6 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?

As of January 2026, there are 6 operators available to choose from for flights from Chennai Airport to Illinois.

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 offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify 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.

₹ 41,569 Cheap Flights from Chennai to Illinois in 2026

1 adult

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Find the cheapest flights from Chennai to Illinois

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

10:00 - 08:35

MAA

ORD

33h 05m

1 stop

14:00 - 08:25

ORD

MAA

31h 55m

1 stop

₹ 65,194Etihad Airways

Wed, 25 Mar - Mon, 14 Sep

10:00 - 07:35

MAA

ORD

33h 05m

1 stop

13:10 - 08:10

ORD

MAA

31h 30m

1 stop

₹ 65,645Etihad Airways

Sat, 7 Feb - Fri, 6 Mar

16:10 - 07:35

MAA

ORD

26h 55m

1 stop

14:10 - 02:30

ORD

MAA

25h 50m

1 stop

₹ 66,006Etihad Airways

Thu, 26 Feb - Sun, 15 Mar

16:10 - 07:35

MAA

ORD

26h 55m

1 stop

13:10 - 19:55

ORD

MAA

19h 15m

1 stop

₹ 66,457Etihad Airways

Thu, 29 Jan - Thu, 19 Feb

10:00 - 07:35

MAA

ORD

33h 05m

1 stop

14:10 - 19:55

ORD

MAA

19h 15m

1 stop

₹ 66,547Etihad Airways

Wed, 25 Feb - Sun, 15 Mar

21:40 - 08:35

MAA

ORD

21h 25m

1 stop

14:00 - 02:25

ORD

MAA

25h 55m

1 stop

₹ 66,727Etihad Airways

Thu, 19 Mar - Mon, 14 Sep

20:00 - 12:30

MAA

ORD

27h 00m

2 stops

14:00 - 02:25

ORD

MAA

25h 55m

1 stop

₹ 66,908Multiple Airlines

Thu, 19 Mar - Mon, 14 Sep

16:10 - 07:35

MAA

ORD

26h 55m

1 stop

14:00 - 20:10

ORD

MAA

19h 40m

1 stop

₹ 66,998Etihad Airways

Sat, 31 Jan - Fri, 31 Jul

15:45 - 07:35

MAA

ORD

27h 20m

1 stop

14:00 - 02:25

ORD

MAA

25h 55m

1 stop

₹ 67,088Etihad Airways

Sun, 1 Feb - Sat, 25 Jul

16:10 - 07:35

MAA

ORD

26h 55m

1 stop

13:10 - 08:10

ORD

MAA

31h 30m

1 stop

₹ 67,539Etihad Airways

Mon, 2 Feb - Sat, 21 Feb

Etihad Airways flights from Chennai to Illinois

Our best Etihad Airways deals on Chennai to Illinois flight tickets

Etihad Airways

25 Mar

MAA10:00Chennai

33h 05m

1 stop

ORD08:35Chicago O'Hare Intl

14 Sept

ORD14:00Chicago O'Hare Intl

31h 55m

1 stop

MAA08:25Chennai

₹ 65,194

Etihad Airways

7 Feb

MAA10:00Chennai

33h 05m

1 stop

ORD07:35Chicago O'Hare Intl

6 Mar

ORD13:10Chicago O'Hare Intl

31h 30m

1 stop

MAA08:10Chennai

₹ 65,645

Etihad Airways

26 Feb

MAA16:10Chennai

26h 55m

1 stop

ORD07:35Chicago O'Hare Intl

15 Mar

ORD14:10Chicago O'Hare Intl

25h 50m

1 stop

MAA02:30Chennai

₹ 66,006

British Airways flights from Chennai to Illinois

Our best British Airways deals on Chennai to Illinois flight tickets

British Airways

15 Jan

MAA07:35Chennai

22h 40m

1 stop

ORD18:45Chicago O'Hare Intl

8 Apr

ORD20:36Chicago O'Hare Intl

44h 24m

2 stops

MAA03:30Chennai

₹ 273,672

British Airways

14 Jan

MAA07:35Chennai

22h 40m

1 stop

ORD18:45Chicago O'Hare Intl

14 Apr

ORD17:00Chicago O'Hare Intl

24h 00m

1 stop

MAA03:30Chennai

₹ 277,009

British Airways

14 Jan

MAA07:35Chennai

22h 40m

1 stop

ORD18:45Chicago O'Hare Intl

13 Apr

ORD16:16Chicago O'Hare Intl

24h 44m

2 stops

MAA03:30Chennai

₹ 280,345

Fly from

Fly to

Route

Depart

Return

Price

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Wed 25/3

10:00-08:35

1 stop33h 05m

Chicago O'Hare Intl

Mon 14/9

14:00-08:25

1 stop31h 55m

₹ 65,194

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Sat 7/2

10:00-07:35

1 stop33h 05m

Chicago O'Hare Intl

Fri 6/3

13:10-08:10

1 stop31h 30m

₹ 65,645

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Thu 26/2

16:10-07:35

1 stop26h 55m

Chicago O'Hare Intl

Sun 15/3

14:10-02:30

1 stop25h 50m

₹ 66,006

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Thu 29/1

16:10-07:35

1 stop26h 55m

Chicago O'Hare Intl

Thu 19/2

13:10-19:55

1 stop19h 15m

₹ 66,457

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Wed 25/2

10:00-07:35

1 stop33h 05m

Chicago O'Hare Intl

Sun 15/3

14:10-19:55

1 stop19h 15m

₹ 66,547

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Thu 19/3

21:40-08:35

1 stop21h 25m

Chicago O'Hare Intl

Mon 14/9

14:00-02:25

1 stop25h 55m

₹ 66,727

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Thu 19/3

20:00-12:30

2 stops27h 00m

Chicago O'Hare Intl

Mon 14/9

14:00-02:25

1 stop25h 55m

₹ 66,908

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Sat 31/1

16:10-07:35

1 stop26h 55m

Chicago O'Hare Intl

Fri 31/7

14:00-20:10

1 stop19h 40m

₹ 66,998

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Sun 1/2

15:45-07:35

1 stop27h 20m

Chicago O'Hare Intl

Sat 25/7

14:00-02:25

1 stop25h 55m

₹ 67,088

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Mon 2/2

16:10-07:35

1 stop26h 55m

Chicago O'Hare Intl

Sat 21/2

13:10-08:10

1 stop31h 30m

₹ 67,539

Flights are sorted by cheapest return 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?

In general, October is the cheapest month to fly from Chennai to Illinois. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around ₹ 79,442. If you aren’t able to travel during the month of October, then book flights to Illinois from Chennai during September instead. Flights to Illinois in September, while not as cheap as those in October, still average around ₹ 91,164.

How far in advance should I book a flight 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 ₹ 97,649 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Chennai for as low as ₹ 76,195 on momondo.

Can stopping save me money on Chennai to Illinois flights?

You could potentially save up to 21% 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 30m
Direct flights	None

The fastest flight from Chennai to Illinois takes 21h 30m

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

Search flight deals

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?
As of January 2026, there are 6 operators available to choose from for flights from Chennai Airport to Illinois.
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 offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify 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 ₹ 70,802	Free Cancellation	Rating 7.3 1,369 reviews	Search Etihad Airways flights
Air India	PriceFrom ₹ 72,416	Free Cancellation	Rating 5.5 2,975 reviews	Search Air India flights
Lufthansa	PriceFrom ₹ 81,408	Free Cancellation	Rating 6.8 7,709 reviews	Search Lufthansa flights
Qatar Airways	PriceFrom ₹ 81,914	Free Cancellation	Rating 7.4 3,714 reviews	Search Qatar Airways flights
British Airways	PriceFrom ₹ 87,622	Free Cancellation	Rating 6.7 7,665 reviews	Search British Airways flights
Emirates	PriceFrom ₹ 93,940	Free Cancellation	Rating 8.1 3,464 reviews	Search Emirates flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Illinois from Chennai.

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

Yes. momondo enables you to select and highlight flights to Illinois from Chennai with this policy.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Illinois from Chennai.

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.