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

Turkish Airlines, SWISS, and Emirates 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 September 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.

₹ 45,082 Cheap Flights from Chennai to Illinois in 2026

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.

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

33h 30m1 stop Abu Dhabi Zayed Intl

13:10 - 15:05ORD Chicago O'Hare Intl-MAA Chennai

38h 25m1 stop Abu Dhabi Zayed Intl

₹ 94,701Etihad Airways

Sun, 22 Nov - Sun, 6 Dec

08:15 - 16:10MAA Chennai-ORD Chicago O'Hare Intl

42h 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

₹ 94,985Oman Air

Mon, 21 Sep - Mon, 23 Nov

08:15 - 16:10MAA Chennai-ORD Chicago O'Hare Intl

42h 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

₹ 94,985Oman Air

Thu, 24 Sep - Mon, 23 Nov

15:30 - 16:10MAA Chennai-ORD Chicago O'Hare Intl

59h 10m2 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

₹ 94,985Oman Air

Sun, 20 Sep - Mon, 23 Nov

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

33h 30m1 stop Abu Dhabi Zayed Intl

13:10 - 02:35ORD Chicago O'Hare Intl-MAA Chennai

25h 55m1 stop Abu Dhabi Zayed Intl

₹ 95,363Etihad Airways

Sun, 22 Nov - Sat, 5 Dec

21:50 - 16:00MAA Chennai-ORD Chicago O'Hare Intl

28h 40m1 stop Abu Dhabi Zayed Intl

20:20 - 08:05ORD Chicago O'Hare Intl-MAA Chennai

24h 15m1 stop Abu Dhabi Zayed Intl

₹ 95,363Etihad Airways

Mon, 26 Oct - Thu, 5 Nov

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

33h 30m1 stop Abu Dhabi Zayed Intl

13:10 - 15:05ORD Chicago O'Hare Intl-MAA Chennai

38h 25m1 stop Abu Dhabi Zayed Intl

₹ 95,363Etihad Airways

Sun, 22 Nov - Fri, 4 Dec

21:45 - 14:55MAA Chennai-ORD Chicago O'Hare Intl

28h 40m1 stop Dubai Intl

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

25h 00m1 stop Dubai Intl

₹ 96,780Emirates

Thu, 11 Feb - Sun, 14 Feb

03:50 - 14:55MAA Chennai-ORD Chicago O'Hare Intl

22h 35m1 stop Dubai Intl

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

25h 00m1 stop Dubai Intl

₹ 96,780Emirates

Sat, 13 Feb - Wed, 17 Feb

09:50 - 15:55MAA Chennai-ORD Chicago O'Hare Intl

40h 35m1 stop Dubai Intl

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

25h 00m1 stop Dubai Intl

₹ 97,820Emirates

Sun, 1 Nov - Tue, 29 Dec

Cheap last-minute flights

Enter your travel dates to find the best prices.

22:00 - 15:10MAA Chennai-ORD Chicago O'Hare Intl

27h 40m2 stops Bengaluru Intl Paris Charles de Gaulle

17:10 - 08:15ORD Chicago O'Hare Intl-MAA Chennai

28h 35m2 stops Paris Charles de Gaulle Bengaluru Intl

₹ 102,546Air France

Thu, 10 Sep - Sun, 20 Sep

04:15 - 08:35MAA Chennai-ORD Chicago O'Hare Intl

38h 50m1 stop Abu Dhabi Zayed Intl

14:10 - 08:05ORD Chicago O'Hare Intl-MAA Chennai

31h 25m1 stop Abu Dhabi Zayed Intl

₹ 108,783Etihad Airways

Sat, 12 Sep - Sat, 31 Oct

04:15 - 08:35MAA Chennai-ORD Chicago O'Hare Intl

38h 50m1 stop Abu Dhabi Zayed Intl

21:20 - 08:05ORD Chicago O'Hare Intl-MAA Chennai

24h 15m1 stop Abu Dhabi Zayed Intl

₹ 108,878Etihad Airways

Sat, 12 Sep - Sat, 31 Oct

04:15 - 08:35MAA Chennai-ORD Chicago O'Hare Intl

38h 50m1 stop Abu Dhabi Zayed Intl

14:10 - 08:05ORD Chicago O'Hare Intl-MAA Chennai

31h 25m1 stop Abu Dhabi Zayed Intl

₹ 108,973Etihad Airways

Sat, 12 Sep - Sat, 31 Oct

15:30 - 16:10MAA Chennai-ORD Chicago O'Hare Intl

59h 10m2 stops Muscat Seeb Amman Queen Alia Intl

18:50 - 06:40ORD Chicago O'Hare Intl-MAA Chennai

48h 20m2 stops Amman Queen Alia Intl Muscat Seeb

₹ 114,454Oman Air

Sun, 13 Sep - Mon, 23 Nov

15:30 - 16:10MAA Chennai-ORD Chicago O'Hare Intl

59h 10m2 stops Muscat Seeb Amman Queen Alia Intl

18:50 - 06:40ORD Chicago O'Hare Intl-MAA Chennai

48h 20m2 stops Amman Queen Alia Intl Muscat Seeb

₹ 116,628Oman Air

Sun, 13 Sep - Fri, 27 Nov

22:00 - 09:45MAA Chennai-ORD Chicago O'Hare Intl

46h 15m2 stops Bengaluru Intl Abu Dhabi Zayed Intl

13:15 - 20:50ORD Chicago O'Hare Intl-MAA Chennai

21h 05m1 stop Abu Dhabi Zayed Intl

₹ 121,070Multiple Airlines

Tue, 8 Sep - Thu, 10 Sep

09:50 - 15:55MAA Chennai-ORD Chicago O'Hare Intl

40h 35m1 stop Dubai Intl

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

25h 00m1 stop Dubai Intl

₹ 501,292Emirates

Sun, 13 Sep - Sun, 24 Jan

22:05 - 15:55MAA Chennai-ORD Chicago O'Hare Intl

28h 20m1 stop Dubai Intl

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

36h 55m1 stop Dubai Intl

₹ 501,292Emirates

Sun, 13 Sep - Tue, 19 Jan

22:05 - 15:55MAA Chennai-ORD Chicago O'Hare Intl

28h 20m1 stop Dubai Intl

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

25h 00m1 stop Dubai Intl

₹ 501,292Emirates

Sun, 13 Sep - Mon, 18 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

22 Nov

MAA09:55Chennai

33h 30m

1 stop

ORD07:55Chicago O'Hare Intl

6 Dec

ORD13:10Chicago O'Hare Intl

38h 25m

1 stop

MAA15:05Chennai

₹ 94,701

Etihad Airways

2 Oct

MAA10:15Chennai

32h 50m

1 stop

ORD08:35Chicago O'Hare Intl

27 Nov

ORD13:10Chicago O'Hare Intl

19h 10m

1 stop

MAA19:50Chennai

₹ 95,268

Etihad Airways

22 Nov

MAA09:55Chennai

33h 30m

1 stop

ORD07:55Chicago O'Hare Intl

4 Dec

ORD13:10Chicago O'Hare Intl

38h 25m

1 stop

MAA15:05Chennai

₹ 95,363

Oman Air flights from Chennai to Illinois

Our best Oman Air deals on Chennai to Illinois flight tickets

Oman Air

20 Sept

MAA15:30Chennai

59h 10m

2 stops

ORD16:10Chicago O'Hare Intl

23 Nov

ORD18:50Chicago O'Hare Intl

32h 00m

2 stops

MAA14:20Chennai

₹ 94,985

Oman Air

16 Feb

MAA07:20Chennai

43h 15m

2 stops

ORD15:05Chicago O'Hare Intl

28 May

ORD20:00Chicago O'Hare Intl

32h 10m

2 stops

MAA14:40Chennai

₹ 96,024

Oman Air

13 Feb

MAA07:20Chennai

43h 15m

2 stops

ORD15:05Chicago O'Hare Intl

28 May

ORD20:00Chicago O'Hare Intl

32h 10m

2 stops

MAA14:40Chennai

₹ 96,213

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ChennaiChicago

MAA Chennai - ORD Chicago O'Hare Intl

MAAORD

Chennai

Sun 22/11

09:55-07:55

1 stop33h 30m

Chicago O'Hare Intl

Sun 6/12

13:10-15:05

1 stop38h 25m

₹ 94,701

ChennaiChicago

MAA Chennai - ORD Chicago O'Hare Intl

MAAORD

Chennai

Mon 21/9

08:15-16:10

2 stops42h 25m

Chicago O'Hare Intl

Mon 23/11

18:50-14:20

2 stops32h 00m

₹ 94,985

ChennaiChicago

MAA Chennai - ORD Chicago O'Hare Intl

MAAORD

Chennai

Thu 24/9

08:15-16:10

2 stops42h 25m

Chicago O'Hare Intl

Mon 23/11

18:50-14:20

2 stops32h 00m

₹ 94,985

ChennaiChicago

MAA Chennai - ORD Chicago O'Hare Intl

MAAORD

Chennai

Sun 20/9

15:30-16:10

2 stops59h 10m

Chicago O'Hare Intl

Mon 23/11

18:50-14:20

2 stops32h 00m

₹ 94,985

ChennaiChicago

MAA Chennai - ORD Chicago O'Hare Intl

MAAORD

Chennai

Sun 22/11

09:55-07:55

1 stop33h 30m

Chicago O'Hare Intl

Sat 5/12

13:10-02:35

1 stop25h 55m

₹ 95,363

ChennaiChicago

MAA Chennai - ORD Chicago O'Hare Intl

MAAORD

Chennai

Mon 26/10

21:50-16:00

1 stop28h 40m

Chicago O'Hare Intl

Thu 5/11

20:20-08:05

1 stop24h 15m

₹ 95,363

ChennaiChicago

MAA Chennai - ORD Chicago O'Hare Intl

MAAORD

Chennai

Sun 22/11

09:55-07:55

1 stop33h 30m

Chicago O'Hare Intl

Fri 4/12

13:10-15:05

1 stop38h 25m

₹ 95,363

ChennaiChicago

MAA Chennai - ORD Chicago O'Hare Intl

MAAORD

Chennai

Thu 11/2

21:45-14:55

1 stop28h 40m

Chicago O'Hare Intl

Sun 14/2

19:45-08:15

1 stop25h 00m

₹ 96,780

Fastest return journey

ChennaiChicago

MAA Chennai - ORD Chicago O'Hare Intl

MAAORD

Chennai

Sat 13/2

03:50-14:55

1 stop22h 35m

Chicago O'Hare Intl

Wed 17/2

19:45-08:15

1 stop25h 00m

₹ 96,780

ChennaiChicago

MAA Chennai - ORD Chicago O'Hare Intl

MAAORD

Chennai

Sun 1/11

09:50-15:55

1 stop40h 35m

Chicago O'Hare Intl

Tue 29/12

19:45-08:15

1 stop25h 00m

₹ 97,820

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 ₹ 86,951. If you aren’t able to travel during the month of April, then book flights to Illinois from Chennai during March instead. Flights to Illinois in March, while not as cheap as those in April, still average around ₹ 88,369.

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 ₹ 94,559 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 ₹ 86,006 on momondo.

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	₹ 45,082
Fastest flight time	21h 10m
Direct flights	None

The best one-way flight to Illinois from Chennai in the past 72 hours is ₹ 45,082. The best return flight deal from Chennai to Illinois found on momondo in the last 72 hours is ₹ 94,701.

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?
As of September 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 ₹ 73,195	Free Cancellation	Rating 7.3 1,533 reviews		Search Etihad Airways flights
Emirates	PriceFrom ₹ 91,932	Free Cancellation	Rating 8.1 3,655 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.