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

Etihad Airways and KLM are the most popular carriers operating from Chennai to Illinois

Which 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 70% of people opting to fly with this airline when travelling 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.

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 November 2026, there are 3 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.

₹ 42,628 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.

04:05 - 14:30MAA Chennai-ORD Chicago O'Hare Intl

21h 55m1 stop Doha Hamad Intl

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

20h 10m1 stop Doha Hamad Intl

₹ 72,752Multiple Airlines

Sun, 22 Nov - Tue, 12 Jan

04:05 - 14:30MAA Chennai-ORD Chicago O'Hare Intl

21h 55m1 stop Doha Hamad Intl

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

20h 10m1 stop Doha Hamad Intl

₹ 76,731Multiple Airlines

Mon, 7 Dec - Tue, 5 Jan

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

33h 10m1 stop Abu Dhabi Zayed Intl

14:00 - 02:50ORD Chicago O'Hare Intl-MAA Chennai

26h 20m1 stop Abu Dhabi Zayed Intl

₹ 77,678Etihad Airways

Tue, 24 Nov - Wed, 26 May

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

39h 10m1 stop Abu Dhabi Zayed Intl

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

25h 50m1 stop Abu Dhabi Zayed Intl

₹ 77,773Etihad Airways

Sun, 22 Nov - Thu, 14 Jan

04:05 - 14:30MAA Chennai-ORD Chicago O'Hare Intl

21h 55m1 stop Doha Hamad Intl

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

20h 10m1 stop Doha Hamad Intl

₹ 77,962Multiple Airlines

Thu, 17 Dec - Sun, 17 Jan

21:50 - 16:40MAA Chennai-ORD Chicago O'Hare Intl

30h 20m2 stops Abu Dhabi Zayed Intl Boston Logan Intl

14:00 - 02:50ORD Chicago O'Hare Intl-MAA Chennai

26h 20m1 stop Abu Dhabi Zayed Intl

₹ 77,962Etihad Airways

Tue, 24 Nov - Wed, 26 May

03:55 - 16:00MAA Chennai-ORD Chicago O'Hare Intl

22h 35m1 stop Dubai Intl

20:35 - 02:30ORD Chicago O'Hare Intl-MAA Chennai

19h 25m1 stop Dubai Intl

₹ 92,171Emirates

Wed, 24 Mar - Mon, 29 Mar

09:50 - 15:10MAA Chennai-ORD Chicago O'Hare Intl

40h 50m1 stop Dubai Intl

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

25h 00m1 stop Dubai Intl

₹ 92,171Emirates

Thu, 25 Feb - Mon, 1 Mar

04:05 - 14:30MAA Chennai-ORD Chicago O'Hare Intl

21h 55m1 stop Doha Hamad Intl

18:50 - 02:15ORD Chicago O'Hare Intl-MAA Chennai

19h 55m1 stop Doha Hamad Intl

₹ 95,582Qatar Airways

Wed, 25 Nov - Fri, 15 Jan

04:05 - 14:30MAA Chennai-ORD Chicago O'Hare Intl

21h 55m1 stop Doha Hamad Intl

18:50 - 02:15ORD Chicago O'Hare Intl-MAA Chennai

19h 55m1 stop Doha Hamad Intl

₹ 95,866Qatar Airways

Wed, 25 Nov - Fri, 15 Jan

Cheap last-minute 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 - 08:25ORD Chicago O'Hare Intl-MAA Chennai

31h 55m1 stop Abu Dhabi Zayed Intl

₹ 77,962Etihad Airways

Wed, 4 Nov - Wed, 28 Apr

03:55 - 12:00MAA Chennai-ORD Chicago O'Hare Intl

43h 35m2 stops Abu Dhabi Zayed Intl Boston Logan Intl

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

38h 35m1 stop Abu Dhabi Zayed Intl

₹ 83,930Etihad Airways

Tue, 3 Nov - Wed, 28 Apr

02:00 - 18:00MAA Chennai-ORD Chicago O'Hare Intl

27h 30m2 stops Hong Kong Intl Los Angeles

06:00 - 23:35ORD Chicago O'Hare Intl-MAA Chennai

31h 05m2 stops Los Angeles Hong Kong Intl

₹ 103,065Cathay Pacific

Tue, 3 Nov - Wed, 28 Apr

13:55 - 07:35MAA Chennai-ORD Chicago O'Hare Intl

29h 10m3 stops Coimbatore Peelamedu Bengaluru Intl Abu Dhabi Zayed Intl

16:30 - 07:25ORD Chicago O'Hare Intl-MAA Chennai

28h 25m3 stops Toronto Pearson Intl Dubai Intl Muscat Seeb

₹ 104,013Multiple Airlines

Wed, 4 Nov - Wed, 28 Apr

15:10 - 07:35MAA Chennai-ORD Chicago O'Hare Intl

27h 55m2 stops Bengaluru Intl Abu Dhabi Zayed Intl

16:30 - 07:25ORD Chicago O'Hare Intl-MAA Chennai

28h 25m3 stops Toronto Pearson Intl Dubai Intl Muscat Seeb

₹ 104,202Multiple Airlines

Wed, 4 Nov - Wed, 28 Apr

21:45 - 15:10MAA Chennai-ORD Chicago O'Hare Intl

28h 55m1 stop Dubai Intl

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

25h 00m1 stop Dubai Intl

₹ 116,138Emirates

Sun, 8 Nov - Wed, 2 Dec

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

22h 45m1 stop Dubai Intl

19:45 - 02:20ORD Chicago O'Hare Intl-MAA Chennai

19h 05m1 stop Dubai Intl

₹ 116,138Emirates

Tue, 3 Nov - Mon, 7 Dec

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

33h 10m1 stop Abu Dhabi Zayed Intl

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

19h 05m1 stop Abu Dhabi Zayed Intl

₹ 125,042Etihad Airways

Wed, 4 Nov - Sun, 6 Dec

03:15 - 14:30MAA Chennai-ORD Chicago O'Hare Intl

22h 45m1 stop Doha Hamad Intl

14:34 - 02:15ORD Chicago O'Hare Intl-MAA Chennai

24h 11m2 stops New York John F Kennedy Intl Doha Hamad Intl

₹ 144,936Qatar Airways

Tue, 3 Nov - Sat, 5 Dec

04:05 - 22:30MAA Chennai-ORD Chicago O'Hare Intl

29h 55m2 stops Doha Hamad Intl New York John F Kennedy Intl

14:34 - 02:15ORD Chicago O'Hare Intl-MAA Chennai

24h 11m2 stops New York John F Kennedy Intl Doha Hamad Intl

₹ 161,703Qatar Airways

Thu, 5 Nov - Sat, 5 Dec

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Emirates flights from Chennai to Illinois

Our best Emirates deals on Chennai to Illinois flight tickets

Emirates

10 Feb

MAA21:45Chennai

28h 55m

1 stop

ORD15:10Chicago O'Hare Intl

28 Mar

ORD20:35Chicago O'Hare Intl

19h 25m

1 stop

MAA02:30Chennai

₹ 91,698

Emirates

25 Feb

MAA09:50Chennai

40h 50m

1 stop

ORD15:10Chicago O'Hare Intl

1 Mar

ORD19:45Chicago O'Hare Intl

25h 00m

1 stop

MAA08:15Chennai

₹ 92,171

Emirates

3 Nov

MAA03:55Chennai

22h 45m

1 stop

ORD15:10Chicago O'Hare Intl

2 Dec

ORD19:45Chicago O'Hare Intl

19h 05m

1 stop

MAA02:20Chennai

₹ 116,138

Etihad Airways flights from Chennai to Illinois

Our best Etihad Airways deals on Chennai to Illinois flight tickets

Etihad Airways

24 Nov

MAA09:55Chennai

33h 10m

1 stop

ORD07:35Chicago O'Hare Intl

26 May

ORD14:00Chicago O'Hare Intl

26h 20m

1 stop

MAA02:50Chennai

₹ 77,678

Etihad Airways

22 Nov

MAA03:55Chennai

39h 10m

1 stop

ORD07:35Chicago O'Hare Intl

14 Jan

ORD13:15Chicago O'Hare Intl

25h 50m

1 stop

MAA02:35Chennai

₹ 77,773

Etihad Airways

4 Nov

MAA21:50Chennai

21h 15m

1 stop

ORD07:35Chicago O'Hare Intl

28 Apr

ORD14:00Chicago O'Hare Intl

31h 55m

1 stop

MAA08:25Chennai

₹ 77,962

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ChennaiChicago

MAA Chennai - ORD Chicago O'Hare Intl

MAAORD

Chennai

Sun 22/11

04:05-14:30

1 stop21h 55m

Chicago O'Hare Intl

Tue 12/1

18:50-02:30

1 stop20h 10m

₹ 72,752

ChennaiChicago

MAA Chennai - ORD Chicago O'Hare Intl

MAAORD

Chennai

Mon 7/12

04:05-14:30

1 stop21h 55m

Chicago O'Hare Intl

Tue 5/1

18:50-02:30

1 stop20h 10m

₹ 76,731

ChennaiChicago

MAA Chennai - ORD Chicago O'Hare Intl

MAAORD

Chennai

Tue 24/11

09:55-07:35

1 stop33h 10m

Chicago O'Hare Intl

Wed 26/5

14:00-02:50

1 stop26h 20m

₹ 77,678

ChennaiChicago

MAA Chennai - ORD Chicago O'Hare Intl

MAAORD

Chennai

Sun 22/11

03:55-07:35

1 stop39h 10m

Chicago O'Hare Intl

Thu 14/1

13:15-02:35

1 stop25h 50m

₹ 77,773

ChennaiChicago

MAA Chennai - ORD Chicago O'Hare Intl

MAAORD

Chennai

Thu 17/12

04:05-14:30

1 stop21h 55m

Chicago O'Hare Intl

Sun 17/1

18:50-02:30

1 stop20h 10m

₹ 77,962

ChennaiChicago

MAA Chennai - ORD Chicago O'Hare Intl

MAAORD

Chennai

Tue 24/11

21:50-16:40

2 stops30h 20m

Chicago O'Hare Intl

Wed 26/5

14:00-02:50

1 stop26h 20m

₹ 77,962

ChennaiChicago

MAA Chennai - ORD Chicago O'Hare Intl

MAAORD

Chennai

Wed 24/3

03:55-16:00

1 stop22h 35m

Chicago O'Hare Intl

Mon 29/3

20:35-02:30

1 stop19h 25m

₹ 92,171

ChennaiChicago

MAA Chennai - ORD Chicago O'Hare Intl

MAAORD

Chennai

Thu 25/2

09:50-15:10

1 stop40h 50m

Chicago O'Hare Intl

Mon 1/3

19:45-08:15

1 stop25h 00m

₹ 92,171

Fastest return journey

ChennaiChicago

MAA Chennai - ORD Chicago O'Hare Intl

MAAORD

Chennai

Wed 25/11

04:05-14:30

1 stop21h 55m

Chicago O'Hare Intl

Fri 15/1

18:50-02:15

1 stop19h 55m

₹ 95,582

ChennaiChicago

MAA Chennai - ORD Chicago O'Hare Intl

MAAORD

Chennai

Wed 25/11

04:05-14:30

1 stop21h 55m

Chicago O'Hare Intl

Fri 15/1

18:50-02:15

1 stop19h 55m

₹ 95,866

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 ₹ 86,772. 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 ₹ 88,572.

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 ₹ 95,290 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 ₹ 83,077 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

Best price found	₹ 42,628
Fastest flight time	21h 55m
Direct flights	None

The best one-way flight to Illinois from Chennai in the past 72 hours is ₹ 42,628. The best return flight deal from Chennai to Illinois found on momondo in the last 72 hours is ₹ 72,752.

The fastest flight from Chennai to Illinois takes 21h 55m

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 November 2026, there are 3 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 ₹ 73,534	Free Cancellation	Rating 7.3 1,557 reviews	Search Etihad Airways flights
Qatar Airways	PriceFrom ₹ 84,081	Free Cancellation	Rating 7.4 3,712 reviews	Search Qatar Airways flights
Emirates	PriceFrom ₹ 92,143	Free Cancellation	Rating 8.1 3,687 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.