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

KLM and Etihad Airways are the most popular carriers operating 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?

As of October 2026, there are 2 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.

₹ 41,394 Cheap Flights from Chennai to Illinois in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Chennai to Illinois

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

21:50 - 07:35MAA Chennai-ORD Chicago O'Hare Intl

21h 15m1 stop Abu Dhabi Zayed Intl

14:00 - 15:05ORD Chicago O'Hare Intl-MAA Chennai

38h 35m1 stop Abu Dhabi Zayed Intl

₹ 79,575Etihad Airways

Tue, 10 Nov - Fri, 7 May

09:55 - 07:35MAA Chennai-ORD Chicago O'Hare Intl

33h 10m1 stop Abu Dhabi Zayed Intl

13:15 - 02:35ORD Chicago O'Hare Intl-MAA Chennai

25h 50m1 stop Abu Dhabi Zayed Intl

₹ 79,859Etihad Airways

Tue, 24 Nov - Tue, 12 Jan

03:55 - 07:35MAA Chennai-ORD Chicago O'Hare Intl

39h 10m1 stop Abu Dhabi Zayed Intl

14:00 - 15:05ORD Chicago O'Hare Intl-MAA Chennai

38h 35m1 stop Abu Dhabi Zayed Intl

₹ 82,127Etihad Airways

Mon, 9 Nov - Fri, 7 May

16:05 - 07:35MAA Chennai-ORD Chicago O'Hare Intl

27h 00m1 stop Abu Dhabi Zayed Intl

13:15 - 02:35ORD Chicago O'Hare Intl-MAA Chennai

25h 50m1 stop Abu Dhabi Zayed Intl

₹ 82,316Etihad Airways

Mon, 23 Nov - Mon, 11 Jan

10:05 - 08:40MAA Chennai-ORD Chicago O'Hare Intl

33h 05m2 stops Addis Ababa Bole Rome Fiumicino

10:15 - 01:10ORD Chicago O'Hare Intl-MAA Chennai

28h 25m1 stop Addis Ababa Bole

₹ 83,734Ethiopian Air

Tue, 16 Mar - Thu, 8 Apr

10:05 - 07:40MAA Chennai-ORD Chicago O'Hare Intl

33h 05m2 stops Addis Ababa Bole Rome Fiumicino

09:45 - 01:10ORD Chicago O'Hare Intl-MAA Chennai

27h 55m1 stop Addis Ababa Bole

₹ 86,569Ethiopian Air

Tue, 26 Jan - Thu, 4 Feb

07:10 - 15:05MAA Chennai-ORD Chicago O'Hare Intl

43h 25m2 stops Muscat Seeb Amman Queen Alia Intl

18:50 - 14:20ORD Chicago O'Hare Intl-MAA Chennai

32h 00m2 stops Amman Queen Alia Intl Muscat Seeb

₹ 86,664Oman Air

Tue, 26 Jan - Mon, 1 Feb

03:55 - 15:10MAA Chennai-ORD Chicago O'Hare Intl

22h 45m1 stop Dubai Intl

19:45 - 20:10ORD Chicago O'Hare Intl-MAA Chennai

36h 55m1 stop Dubai Intl

₹ 90,727Emirates

Sun, 1 Nov - Thu, 5 Nov

03:55 - 15:10MAA Chennai-ORD Chicago O'Hare Intl

22h 45m1 stop Dubai Intl

19:45 - 08:15ORD Chicago O'Hare Intl-MAA Chennai

25h 00m1 stop Dubai Intl

₹ 91,483Emirates

Mon, 23 Nov - Wed, 13 Jan

03:55 - 15:00MAA Chennai-ORD Chicago O'Hare Intl

22h 35m1 stop Dubai Intl

20:35 - 20:30ORD Chicago O'Hare Intl-MAA Chennai

37h 25m1 stop Dubai Intl

₹ 92,145Emirates

Sat, 13 Mar - Wed, 7 Apr

Cheap last-minute flights

Enter your travel dates to find the best prices.

04:20 - 15:25MAA Chennai-ORD Chicago O'Hare Intl

21h 35m1 stop Doha Hamad Intl

18:50 - 02:30ORD Chicago O'Hare Intl-MAA Chennai

20h 10m1 stop Doha Hamad Intl

₹ 73,149Multiple Airlines

Fri, 23 Oct - Mon, 11 Jan

04:20 - 15:25MAA Chennai-ORD Chicago O'Hare Intl

21h 35m1 stop Doha Hamad Intl

18:50 - 02:30ORD Chicago O'Hare Intl-MAA Chennai

20h 10m1 stop Doha Hamad Intl

₹ 75,134Multiple Airlines

Fri, 23 Oct - Mon, 11 Jan

04:15 - 19:00MAA Chennai-ORD Chicago O'Hare Intl

25h 15m2 stops Abu Dhabi Zayed Intl Boston Logan Intl

13:15 - 08:05ORD Chicago O'Hare Intl-MAA Chennai

31h 20m1 stop Abu Dhabi Zayed Intl

₹ 78,536Etihad Airways

Fri, 23 Oct - Mon, 11 Jan

16:05 - 08:35MAA Chennai-ORD Chicago O'Hare Intl

27h 00m1 stop Abu Dhabi Zayed Intl

13:15 - 15:05ORD Chicago O'Hare Intl-MAA Chennai

38h 20m1 stop Abu Dhabi Zayed Intl

₹ 97,910Etihad Airways

Wed, 28 Oct - Sat, 28 Nov

03:55 - 08:35MAA Chennai-ORD Chicago O'Hare Intl

39h 10m1 stop Abu Dhabi Zayed Intl

13:15 - 19:50ORD Chicago O'Hare Intl-MAA Chennai

19h 05m1 stop Abu Dhabi Zayed Intl

₹ 98,572Etihad Airways

Tue, 27 Oct - Tue, 24 Nov

21:50 - 08:35MAA Chennai-ORD Chicago O'Hare Intl

21h 15m1 stop Abu Dhabi Zayed Intl

18:50 - 08:45ORD Chicago O'Hare Intl-MAA Chennai

50h 25m2 stops Zurich Colombo Bandaranaike Intl

₹ 99,139Multiple Airlines

Wed, 28 Oct - Tue, 24 Nov

05:35 - 00:08MAA Chennai-ORD Chicago O'Hare Intl

29h 03m2 stops London Heathrow Charlotte Douglas

18:49 - 05:35ORD Chicago O'Hare Intl-MAA Chennai

23h 16m2 stops Charlotte Douglas London Heathrow

₹ 103,297British Airways

Fri, 23 Oct - Mon, 11 Jan

09:50 - 11:21MAA Chennai-ORD Chicago O'Hare Intl

36h 01m2 stops Dubai Intl Montreal Pierre Elliott Trudeau Intl

18:25 - 08:15ORD Chicago O'Hare Intl-MAA Chennai

26h 20m3 stops Newark Athens Eleftherios V. Dubai Intl

₹ 562,226Emirates

Fri, 23 Oct - Mon, 11 Jan

22:05 - 17:20MAA Chennai-ORD Chicago O'Hare Intl

29h 45m2 stops Dubai Intl Washington, D.C. Dulles Intl

18:25 - 08:15ORD Chicago O'Hare Intl-MAA Chennai

26h 20m3 stops Newark Athens Eleftherios V. Dubai Intl

₹ 562,888Emirates

Fri, 23 Oct - Mon, 11 Jan

22:05 - 17:20MAA Chennai-ORD Chicago O'Hare Intl

29h 45m2 stops Dubai Intl Washington, D.C. Dulles Intl

18:25 - 08:15ORD Chicago O'Hare Intl-MAA Chennai

26h 20m3 stops Newark Athens Eleftherios V. Dubai Intl

₹ 563,360Emirates

Fri, 23 Oct - Mon, 11 Jan

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Etihad Airways flights from Chennai to Illinois

Our best Etihad Airways deals on Chennai to Illinois flight tickets

Etihad Airways

23 Oct

MAA04:15Chennai

25h 15m

2 stops

ORD19:00Chicago O'Hare Intl

11 Jan

ORD13:15Chicago O'Hare Intl

25h 50m

1 stop

MAA02:35Chennai

₹ 78,536

Etihad Airways

10 Nov

MAA21:50Chennai

21h 15m

1 stop

ORD07:35Chicago O'Hare Intl

7 May

ORD14:00Chicago O'Hare Intl

38h 35m

1 stop

MAA15:05Chennai

₹ 79,575

Etihad Airways

24 Nov

MAA09:55Chennai

33h 10m

1 stop

ORD07:35Chicago O'Hare Intl

12 Jan

ORD13:15Chicago O'Hare Intl

25h 50m

1 stop

MAA02:35Chennai

₹ 79,859

Emirates flights from Chennai to Illinois

Our best Emirates deals on Chennai to Illinois flight tickets

Emirates

1 Nov

MAA03:55Chennai

22h 45m

1 stop

ORD15:10Chicago O'Hare Intl

5 Nov

ORD19:45Chicago O'Hare Intl

36h 55m

1 stop

MAA20:10Chennai

₹ 90,727

Emirates

23 Nov

MAA03:55Chennai

22h 45m

1 stop

ORD15:10Chicago O'Hare Intl

13 Jan

ORD19:45Chicago O'Hare Intl

25h 00m

1 stop

MAA08:15Chennai

₹ 91,483

Emirates

13 Mar

MAA03:55Chennai

22h 35m

1 stop

ORD15:00Chicago O'Hare Intl

5 Apr

ORD20:35Chicago O'Hare Intl

25h 00m

1 stop

MAA08:05Chennai

₹ 92,145

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ChennaiChicago

MAA Chennai - ORD Chicago O'Hare Intl

MAAORD

Chennai

Tue 10/11

21:50-07:35

1 stop21h 15m

Chicago O'Hare Intl

Fri 7/5

14:00-15:05

1 stop38h 35m

₹ 79,575

ChennaiChicago

MAA Chennai - ORD Chicago O'Hare Intl

MAAORD

Chennai

Tue 24/11

09:55-07:35

1 stop33h 10m

Chicago O'Hare Intl

Tue 12/1

13:15-02:35

1 stop25h 50m

₹ 79,859

ChennaiChicago

MAA Chennai - ORD Chicago O'Hare Intl

MAAORD

Chennai

Mon 9/11

03:55-07:35

1 stop39h 10m

Chicago O'Hare Intl

Fri 7/5

14:00-15:05

1 stop38h 35m

₹ 82,127

ChennaiChicago

MAA Chennai - ORD Chicago O'Hare Intl

MAAORD

Chennai

Mon 23/11

16:05-07:35

1 stop27h 00m

Chicago O'Hare Intl

Mon 11/1

13:15-02:35

1 stop25h 50m

₹ 82,316

ChennaiChicago

MAA Chennai - ORD Chicago O'Hare Intl

MAAORD

Chennai

Tue 16/3

10:05-08:40

2 stops33h 05m

Chicago O'Hare Intl

Thu 8/4

10:15-01:10

1 stop28h 25m

₹ 83,734

ChennaiChicago

MAA Chennai - ORD Chicago O'Hare Intl

MAAORD

Chennai

Tue 26/1

10:05-07:40

2 stops33h 05m

Chicago O'Hare Intl

Thu 4/2

09:45-01:10

1 stop27h 55m

₹ 86,569

ChennaiChicago

MAA Chennai - ORD Chicago O'Hare Intl

MAAORD

Chennai

Tue 26/1

07:10-15:05

2 stops43h 25m

Chicago O'Hare Intl

Mon 1/2

18:50-14:20

2 stops32h 00m

₹ 86,664

ChennaiChicago

MAA Chennai - ORD Chicago O'Hare Intl

MAAORD

Chennai

Sun 1/11

03:55-15:10

1 stop22h 45m

Chicago O'Hare Intl

Thu 5/11

19:45-20:10

1 stop36h 55m

₹ 90,727

Fastest return journey

ChennaiChicago

MAA Chennai - ORD Chicago O'Hare Intl

MAAORD

Chennai

Mon 23/11

03:55-15:10

1 stop22h 45m

Chicago O'Hare Intl

Wed 13/1

19:45-08:15

1 stop25h 00m

₹ 91,483

ChennaiChicago

MAA Chennai - ORD Chicago O'Hare Intl

MAAORD

Chennai

Sat 13/3

03:55-15:00

1 stop22h 35m

Chicago O'Hare Intl

Wed 7/4

20:35-20:30

1 stop37h 25m

₹ 92,145

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, April 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 ₹ 87,136. If you aren’t able to travel during the month of April, then book flights to Illinois from Chennai during February instead. Flights to Illinois in February, while not as cheap as those in April, still average around ₹ 87,136.

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 ₹ 94,902 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 ₹ 82,883 on momondo.

Can stopping save me money on Chennai to Illinois flights?

You could potentially save up to 28% 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

Best price found	₹ 41,394
Fastest flight time	21h 15m
Direct flights	None

The best one-way flight to Illinois from Chennai in the past 72 hours is ₹ 41,394. The best return flight deal from Chennai to Illinois found on momondo in the last 72 hours is ₹ 79,575.

The fastest flight from Chennai to Illinois takes 21h 15m

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?
As of October 2026, there are 2 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 ₹ 73,363	Free Cancellation	Rating 7.3 1,549 reviews		Search Etihad Airways flights
Emirates	PriceFrom ₹ 91,928	Free Cancellation	Rating 8.1 3,686 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.