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 15m 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 55h 20m.

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 65% of people opting to fly with this airline when travelling to Illinois. Keep in mind that there are 4 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

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

KLM, Turkish Airlines, and Emirates are the most popular carriers operating 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 July 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.

₹ 60,076 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.

21:55 - 08:35

MAA

ORD

21h 10m

1 stop

13:10 - 02:35

ORD

MAA

25h 55m

1 stop

₹ 98,070Etihad Airways

Mon, 7 Sep - Sun, 6 Dec

04:05 - 15:40

MAA

ORD

22h 05m

1 stop

13:10 - 19:50

ORD

MAA

19h 10m

1 stop

₹ 98,167Etihad Airways

Sat, 29 Aug - Sun, 7 Feb

04:05 - 15:40

MAA

ORD

22h 05m

1 stop

21:10 - 02:50

ORD

MAA

19h 10m

1 stop

₹ 98,360Etihad Airways

Wed, 2 Sep - Wed, 16 Sep

09:50 - 15:45

MAA

ORD

40h 25m

1 stop

20:35 - 20:30

ORD

MAA

37h 25m

1 stop

₹ 98,456Emirates

Thu, 8 Oct - Sun, 11 Oct

15:40 - 08:35

MAA

ORD

27h 25m

1 stop

21:10 - 08:20

ORD

MAA

24h 40m

2 stops

₹ 98,938Multiple Airlines

Wed, 2 Sep - Wed, 9 Sep

20:10 - 14:55

MAA

ORD

29h 15m

2 stops

15:45 - 00:05

ORD

MAA

44h 50m

2 stops

₹ 99,131Multiple Airlines

Thu, 8 Oct - Sun, 14 Feb

07:35 - 21:52

MAA

STL

49h 47m

2 stops

17:27 - 05:35

STL

MAA

48h 38m

2 stops

₹ 117,453British Airways

Wed, 2 Dec - Sun, 6 Dec

07:35 - 21:52

MAA

STL

49h 47m

2 stops

17:27 - 05:35

STL

MAA

48h 38m

2 stops

₹ 117,549British Airways

Wed, 2 Dec - Sun, 6 Dec

01:55 - 23:38

MAA

STL

32h 13m

2 stops

15:40 - 00:05

STL

MAA

20h 55m

1 stop

₹ 176,951Lufthansa

Mon, 17 Aug - Wed, 10 Feb

01:55 - 19:11

MAA

STL

27h 46m

2 stops

15:40 - 00:05

STL

MAA

20h 55m

1 stop

₹ 191,319Lufthansa

Mon, 17 Aug - Wed, 10 Feb

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Oman Air flights from Tamil Nadu to Illinois

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

Oman Air

23 Sept

MAA08:15Chennai

41h 20m

2 stops

ORD15:05Chicago O'Hare Intl

9 Oct

ORD20:00Chicago O'Hare Intl

48h 55m

2 stops

MAA07:25Chennai

₹ 99,613

Oman Air

21 Oct

MAA08:15Chennai

41h 20m

2 stops

ORD15:05Chicago O'Hare Intl

26 Mar

ORD19:50Chicago O'Hare Intl

32h 20m

2 stops

MAA14:40Chennai

₹ 100,385

Oman Air

24 Sept

MAA08:15Chennai

42h 25m

2 stops

ORD16:10Chicago O'Hare Intl

5 Feb

ORD18:50Chicago O'Hare Intl

48h 20m

2 stops

MAA06:40Chennai

₹ 100,577

British Airways flights from Tamil Nadu to Illinois

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

British Airways

25 Sept

MAA05:35Chennai

42h 55m

2 stops

ORD14:00Chicago O'Hare Intl

11 Oct

ORD06:54Chicago O'Hare Intl

34h 06m

2 stops

MAA03:30Chennai

₹ 103,374

British Airways

6 Oct

MAA05:35Chennai

27h 55m

2 stops

ORD23:00Chicago O'Hare Intl

6 Feb

ORD16:53Chicago O'Hare Intl

25h 12m

2 stops

MAA05:35Chennai

₹ 104,820

British Airways

24 Sept

MAA05:35Chennai

33h 55m

2 stops

ORD05:00Chicago O'Hare Intl

5 Feb

ORD21:50Chicago O'Hare Intl

20h 15m

1 stop

MAA05:35Chennai

₹ 106,845

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Mon 7/9

21:55-08:35

1 stop21h 10m

Chicago O'Hare Intl

Sun 6/12

13:10-02:35

1 stop25h 55m

₹ 98,070

Fastest return journey

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Sat 29/8

04:05-15:40

1 stop22h 05m

Chicago O'Hare Intl

Sun 7/2

13:10-19:50

1 stop19h 10m

₹ 98,167

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Wed 2/9

04:05-15:40

1 stop22h 05m

Chicago O'Hare Intl

Wed 16/9

21:10-02:50

1 stop19h 10m

₹ 98,360

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Thu 8/10

09:50-15:45

1 stop40h 25m

Chicago O'Hare Intl

Sun 11/10

20:35-20:30

1 stop37h 25m

₹ 98,456

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Wed 2/9

15:40-08:35

1 stop27h 25m

Chicago O'Hare Intl

Wed 9/9

21:10-08:20

2 stops24h 40m

₹ 98,938

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Thu 8/10

20:10-14:55

2 stops29h 15m

Chicago O'Hare Intl

Sun 14/2

15:45-00:05

2 stops44h 50m

₹ 99,131

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Wed 2/12

07:35-21:52

2 stops49h 47m

Lambert-St Louis

Sun 6/12

17:27-05:35

2 stops48h 38m

₹ 117,453

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Wed 2/12

07:35-21:52

2 stops49h 47m

Lambert-St Louis

Sun 6/12

17:27-05:35

2 stops48h 38m

₹ 117,549

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Mon 17/8

01:55-23:38

2 stops32h 13m

Lambert-St Louis

Wed 10/2

15:40-00:05

1 stop20h 55m

₹ 176,951

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Mon 17/8

01:55-19:11

2 stops27h 46m

Lambert-St Louis

Wed 10/2

15:40-00:05

1 stop20h 55m

₹ 191,319

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, October 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 ₹ 87,656. If you aren’t able to travel during the month of October, then book flights to Illinois from Tamil Nadu during April instead. Flights to Illinois in April, while not as cheap as those in October, still average around ₹ 88,331.

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 ₹ 98,729 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 ₹ 87,752 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 15m
Direct flights	None

The fastest flight from Tamil Nadu to Illinois takes 21h 15m

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 July 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 ₹ 74,681	Free Cancellation	Rating 7.3 1,483 reviews	Search Etihad Airways flights
Lufthansa	PriceFrom ₹ 86,924	Free Cancellation	Rating 6.8 8,152 reviews	Search Lufthansa flights
British Airways	PriceFrom ₹ 92,706	Free Cancellation	Rating 6.7 8,125 reviews	Search British Airways flights
Emirates	PriceFrom ₹ 93,605	Free Cancellation	Rating 8.1 3,631 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.