What is the cheapest airline that flies from Tamil Nadu to Illinois?

Etihad Airways, SWISS, and Turkish Airlines are the most popular carriers operating from Tamil Nadu to Illinois

How long is the flight from Tamil Nadu to Illinois?

The flight from Tamil Nadu to Illinois depends on which airports you’re departing from and arriving to, and whether or not you have a layover. If you fly from Chennai (a popular airport in Tamil Nadu) to Chicago O'Hare Intl Airport (the most popular airport in Illinois), then the flight time is 21h 10m on average. If you fly from Coimbatore (another popular airport in Tamil Nadu) to Chicago O'Hare Intl Airport, then the average flight time is 35h 30m.

Which airlines fly to Illinois?

Etihad Airways, Emirates and British Airways are the top three most popular airlines that fly to Illinois from Tamil Nadu according to our data. Etihad Airways is the first choice among our users, with 66% 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 Tamil Nadu to Illinois?

Prices for flights from Tamil Nadu to Illinois are refreshed on a daily basis.

How many operators does momondo search for flights from Tamil Nadu to Illinois?

The number of operators available for flights from Tamil Nadu to Illinois is 4 as of June 2026.

How old do you have to be to fly from Tamil Nadu to Illinois?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Tamil Nadu to Illinois.

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

The travel and health documents required for your trip to Illinois can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

₹ 56,299 Cheap Flights from Tamil Nadu to Illinois in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Tamil Nadu to Illinois

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

20:15 - 15:10

MAA

ORD

29h 25m

2 stops

17:20 - 06:35

ORD

MAA

25h 45m

2 stops

₹ 90,720Air France

Fri, 23 Oct - Mon, 11 Jan

20:15 - 15:10

MAA

ORD

29h 25m

2 stops

17:20 - 08:25

ORD

MAA

27h 35m

2 stops

₹ 90,815Air France

Fri, 23 Oct - Mon, 11 Jan

21:50 - 14:30

MAA

ORD

27h 10m

2 stops

17:10 - 08:15

ORD

MAA

28h 35m

2 stops

₹ 91,003Multiple Airlines

Tue, 7 Jul - Tue, 8 Sep

04:05 - 15:40

MAA

ORD

22h 05m

1 stop

13:10 - 02:30

ORD

MAA

25h 50m

1 stop

₹ 91,663Etihad Airways

Thu, 22 Oct - Wed, 30 Dec

04:05 - 08:35

MAA

ORD

39h 00m

1 stop

20:25 - 02:50

ORD

MAA

19h 55m

1 stop

₹ 91,852Etihad Airways

Wed, 1 Jul - Mon, 27 Jul

14:40 - 15:40

CJB

ORD

35h 30m

3 stops

14:00 - 05:40

ORD

CJB

29h 10m

3 stops

₹ 140,796Multiple Airlines

Sat, 18 Jul - Fri, 24 Jul

21:05 - 13:25

MAA

STL

26h 50m

2 stops

15:30 - 00:10

STL

MAA

22h 10m

1 stop

₹ 176,443Lufthansa

Thu, 30 Jul - Sun, 30 Aug

18:00 - 15:46

MAA

STL

32h 16m

3 stops

15:30 - 08:55

STL

MAA

30h 55m

2 stops

₹ 189,079Lufthansa

Sat, 18 Jul - Fri, 24 Jul

12:20 - 15:00

CJB

ORD

61h 10m

2 stops

19:05 - 13:30

ORD

CJB

31h 55m

2 stops

₹ 602,414British Airways

Sat, 26 Sep - Mon, 28 Sep

12:20 - 15:00

CJB

ORD

61h 10m

2 stops

19:05 - 13:30

ORD

CJB

31h 55m

2 stops

₹ 602,602British Airways

Sat, 26 Sep - Mon, 28 Sep

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Etihad Airways flights from Tamil Nadu to Illinois

Our best Etihad Airways deals on Tamil Nadu to Illinois flight tickets

Etihad Airways

22 Jun

MAA15:50Chennai

34h 20m

1 stop

ORD15:40Chicago O'Hare Intl

7 Sept

ORD21:10Chicago O'Hare Intl

19h 10m

1 stop

MAA02:50Chennai

₹ 88,834

Etihad Airways

27 Jun

MAA04:05Chennai

39h 00m

1 stop

ORD08:35Chicago O'Hare Intl

15 Aug

ORD14:00Chicago O'Hare Intl

38h 35m

1 stop

MAA15:05Chennai

₹ 88,929

Etihad Airways

22 Jun

MAA15:50Chennai

34h 20m

1 stop

ORD15:40Chicago O'Hare Intl

7 Sept

ORD21:10Chicago O'Hare Intl

19h 10m

1 stop

MAA02:50Chennai

₹ 90,437

Oman Air flights from Tamil Nadu to Illinois

Our best Oman Air deals on Tamil Nadu to Illinois flight tickets

Oman Air

3 Oct

MAA08:15Chennai

42h 25m

2 stops

ORD16:10Chicago O'Hare Intl

16 Jan

ORD18:50Chicago O'Hare Intl

32h 00m

2 stops

MAA14:20Chennai

₹ 94,210

Oman Air

3 Oct

MAA08:15Chennai

42h 25m

2 stops

ORD16:10Chicago O'Hare Intl

16 Jan

ORD18:50Chicago O'Hare Intl

32h 00m

2 stops

MAA14:20Chennai

₹ 94,304

Oman Air

3 Oct

MAA08:15Chennai

42h 25m

2 stops

ORD16:10Chicago O'Hare Intl

6 Feb

ORD18:50Chicago O'Hare Intl

24h 20m

2 stops

MAA06:40Chennai

₹ 94,398

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Fri 23/10

20:15-15:10

2 stops29h 25m

Chicago O'Hare Intl

Mon 11/1

17:20-06:35

2 stops25h 45m

₹ 90,720

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Fri 23/10

20:15-15:10

2 stops29h 25m

Chicago O'Hare Intl

Mon 11/1

17:20-08:25

2 stops27h 35m

₹ 90,815

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Tue 7/7

21:50-14:30

2 stops27h 10m

Chicago O'Hare Intl

Tue 8/9

17:10-08:15

2 stops28h 35m

₹ 91,003

Fastest return journey

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Thu 22/10

04:05-15:40

1 stop22h 05m

Chicago O'Hare Intl

Wed 30/12

13:10-02:30

1 stop25h 50m

₹ 91,663

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Wed 1/7

04:05-08:35

1 stop39h 00m

Chicago O'Hare Intl

Mon 27/7

20:25-02:50

1 stop19h 55m

₹ 91,852

CoimbatoreChicago

CJB - ORD

CJBORD

Coimbatore Peelamedu

Sat 18/7

14:40-15:40

3 stops35h 30m

Chicago O'Hare Intl

Fri 24/7

14:00-05:40

3 stops29h 10m

₹ 140,796

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Thu 30/7

21:05-13:25

2 stops26h 50m

Lambert-St Louis

Sun 30/8

15:30-00:10

1 stop22h 10m

₹ 176,443

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Sat 18/7

18:00-15:46

3 stops32h 16m

Lambert-St Louis

Fri 24/7

15:30-08:55

2 stops30h 55m

₹ 189,079

CoimbatoreChicago

CJB - ORD

CJBORD

Coimbatore Peelamedu

Sat 26/9

12:20-15:00

2 stops61h 10m

Chicago O'Hare Intl

Mon 28/9

19:05-13:30

2 stops31h 55m

₹ 602,414

CoimbatoreChicago

CJB - ORD

CJBORD

Coimbatore Peelamedu

Sat 26/9

12:20-15:00

2 stops61h 10m

Chicago O'Hare Intl

Mon 28/9

19:05-13:30

2 stops31h 55m

₹ 602,602

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 Tamil Nadu 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

Other information

What is the cheapest month to fly to Illinois?

In general, April is the cheapest month to fly from Tamil Nadu to Illinois. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around ₹ 38,476. If you aren’t able to travel during the month of April, then book flights to Illinois from Tamil Nadu during September instead. Flights to Illinois in September, while not as cheap as those in April, still average around ₹ 53,187.

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

You are more likely to see cheaper flights to Illinois from Tamil Nadu when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around ₹ 96,237 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 Tamil Nadu for as low as ₹ 85,817 on momondo.

Can stopping save me money on Tamil Nadu to Illinois flights?

You could potentially save up to 12% on your flight if you consider stops on a Tamil Nadu to Illinois flight.

Cheap Tamil Nadu to Illinois flight deals and tips

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

Fastest flight time	21h 10m
Direct flights	None

The fastest flight from Tamil Nadu to Illinois takes 21h 10m

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

Search flight deals

Frequently asked questions about flying from Tamil Nadu to Illinois

When did momondo last update prices for flights from Tamil Nadu to Illinois?
Prices for flights from Tamil Nadu to Illinois are refreshed on a daily basis.
How many operators does momondo search for flights from Tamil Nadu to Illinois?
The number of operators available for flights from Tamil Nadu to Illinois is 4 as of June 2026.
How old do you have to be to fly from Tamil Nadu to Illinois?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Tamil Nadu to Illinois.
What documentation or ID do you need to fly to Illinois?
The travel and health documents required for your trip to Illinois can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Tamil Nadu to Illinois

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

Airline	Rating	Free Cancellation	Price
Etihad Airways	PriceFrom ₹ 71,826	Free Cancellation	Rating 7.3 1,454 reviews	Search Etihad Airways flights
British Airways	PriceFrom ₹ 90,661	Free Cancellation	Rating 6.7 8,058 reviews	Search British Airways flights
Emirates	PriceFrom ₹ 91,729	Free Cancellation	Rating 8.1 3,591 reviews	Search Emirates flights

Why use momondo?

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

It is quick and easy to find Tamil Nadu 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 Tamil Nadu to Illinois with flexible booking policies on momondo?

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

How can momondo help me find flights from Tamil Nadu to Illinois?

Once all potential Tamil Nadu 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 Tamil Nadu to Illinois right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Tamil Nadu to Illinois now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Illinois and let you know when they change.