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 25m 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 52h 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 34% of people opting to fly with this airline when travelling to Illinois. Keep in mind that there are 6 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?

Etihad Airways, Air India, and IndiGo 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 6 as of October 2025.

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.

₹ 33,375 Cheap Flights from Tamil Nadu to Illinois in 2025/26

1 adult

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Find the cheapest flights from Tamil Nadu to Illinois

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

23:15 - 18:25MAA-ORD

30h 40m2 stops

20:20 - 10:20ORD-MAA

26h 30m2 stops

₹ 69,591Turkish Airlines

Find Deal

Tue, 18 Nov - Fri, 16 Jan

23:15 - 18:25MAA-ORD

30h 40m2 stops

20:20 - 10:20ORD-MAA

26h 30m2 stops

₹ 72,077Turkish Airlines

Find Deal

Wed, 5 Nov - Sun, 8 Feb

03:55 - 07:35MAA-ORD

39h 10m1 stop

14:00 - 08:30ORD-MAA

32h 00m1 stop

₹ 72,964Etihad Airways

Find Deal

Sat, 22 Nov - Wed, 13 May

03:55 - 07:35MAA-ORD

39h 10m1 stop

13:10 - 08:10ORD-MAA

31h 30m1 stop

₹ 74,207Etihad Airways

Find Deal

Tue, 4 Nov - Sun, 8 Feb

07:35 - 18:45MAA-ORD

22h 40m1 stop

21:15 - 03:30ORD-MAA

19h 45m1 stop

₹ 76,071British Airways

Find Deal

Mon, 15 Dec - Mon, 18 May

07:35 - 14:00MAA-ORD

41h 55m2 stops

21:15 - 03:30ORD-MAA

19h 45m1 stop

₹ 78,201British Airways

Find Deal

Sun, 14 Dec - Tue, 19 May

20:40 - 11:30MAA-ORD

26h 20m2 stops

14:05 - 22:50ORD-MAA

45h 15m2 stops

₹ 78,379Air India

Find Deal

Sat, 20 Dec - Tue, 6 Jan

11:00 - 11:30MAA-ORD

36h 00m2 stops

13:30 - 08:55ORD-MAA

31h 55m1 stop

₹ 80,598Air India

Find Deal

Tue, 18 Nov - Fri, 16 Jan

03:25 - 15:45MAA-ORD

22h 50m1 stop

19:20 - 02:50ORD-MAA

21h 00m1 stop

₹ 81,574Qatar Airways

Find Deal

Mon, 16 Mar - Tue, 4 Aug

03:25 - 14:30MAA-ORD

22h 35m1 stop

18:50 - 02:20ORD-MAA

20h 00m1 stop

₹ 86,811Qatar Airways

Find Deal

Fri, 19 Dec - Tue, 6 Jan

Turkish Airlines flights from Tamil Nadu to Illinois

Our best Turkish Airlines deals on Tamil Nadu to Illinois flight tickets

Turkish Airlines

18 Nov

MAA23:15Chennai

30h 40m

2 stops

ORD18:25Chicago O'Hare Intl

16 Jan

ORD20:20Chicago O'Hare Intl

26h 30m

2 stops

MAA10:20Chennai

₹ 69,591

Find similar

Turkish Airlines

5 Nov

MAA23:15Chennai

30h 40m

2 stops

ORD18:25Chicago O'Hare Intl

8 Feb

ORD20:20Chicago O'Hare Intl

26h 30m

2 stops

MAA10:20Chennai

₹ 72,077

Find similar

Turkish Airlines

19 Dec

MAA20:30Chennai

33h 25m

2 stops

ORD18:25Chicago O'Hare Intl

5 Jan

ORD20:20Chicago O'Hare Intl

26h 30m

2 stops

MAA10:20Chennai

₹ 74,917

Find similar

Etihad Airways flights from Tamil Nadu to Illinois

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

Etihad Airways

22 Nov

MAA03:55Chennai

39h 10m

1 stop

ORD07:35Chicago O'Hare Intl

13 May

ORD14:00Chicago O'Hare Intl

32h 00m

1 stop

MAA08:30Chennai

₹ 72,964

Find similar

Etihad Airways

4 Nov

MAA03:55Chennai

39h 10m

1 stop

ORD07:35Chicago O'Hare Intl

8 Feb

ORD13:10Chicago O'Hare Intl

31h 30m

1 stop

MAA08:10Chennai

₹ 74,207

Find similar

Etihad Airways

30 Oct

MAA10:00Chennai

33h 05m

1 stop

ORD08:35Chicago O'Hare Intl

30 Nov

ORD13:10Chicago O'Hare Intl

31h 30m

1 stop

MAA08:10Chennai

₹ 84,237

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Tue 18/11

23:15-18:25

2 stops30h 40m

Chicago O'Hare Intl

Fri 16/1

20:20-10:20

2 stops26h 30m

₹ 69,591

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Wed 5/11

23:15-18:25

2 stops30h 40m

Chicago O'Hare Intl

Sun 8/2

20:20-10:20

2 stops26h 30m

₹ 72,077

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Sat 22/11

03:55-07:35

1 stop39h 10m

Chicago O'Hare Intl

Wed 13/5

14:00-08:30

1 stop32h 00m

₹ 72,964

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Tue 4/11

03:55-07:35

1 stop39h 10m

Chicago O'Hare Intl

Sun 8/2

13:10-08:10

1 stop31h 30m

₹ 74,207

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Mon 15/12

07:35-18:45

1 stop22h 40m

Chicago O'Hare Intl

Mon 18/5

21:15-03:30

1 stop19h 45m

₹ 76,071

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Sun 14/12

07:35-14:00

2 stops41h 55m

Chicago O'Hare Intl

Tue 19/5

21:15-03:30

1 stop19h 45m

₹ 78,201

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Sat 20/12

20:40-11:30

2 stops26h 20m

Chicago O'Hare Intl

Tue 6/1

14:05-22:50

2 stops45h 15m

₹ 78,379

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Tue 18/11

11:00-11:30

2 stops36h 00m

Chicago O'Hare Intl

Fri 16/1

13:30-08:55

1 stop31h 55m

₹ 80,598

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Mon 16/3

03:25-15:45

1 stop22h 50m

Chicago O'Hare Intl

Tue 4/8

19:20-02:50

1 stop21h 00m

₹ 81,574

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Fri 19/12

03:25-14:30

1 stop22h 35m

Chicago O'Hare Intl

Tue 6/1

18:50-02:20

1 stop20h 00m

₹ 86,811

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 ₹ 78,734. If you aren’t able to travel during the month of October, then book flights to Illinois from Tamil Nadu during November instead. Flights to Illinois in November, while not as cheap as those in October, still average around ₹ 87,877.

What is the cheapest day to depart on your flight to Illinois?

On average, the least expensive day to fly to Illinois from Tamil Nadu is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as ₹ 98,517. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Tamil Nadu to Illinois on a Thursday will generally be more expensive and average around ₹ 115,265. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Illinois?

According to our data, the cheapest time of day to fly to Illinois is in the afternoon. momondo users have found flights departing from Tamil Nadu to Illinois in the afternoon for as low as ₹ 104,552. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Illinois is in the morning when prices are around ₹ 110,275.

How far in advance should I book a flight 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 ₹ 100,422 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 ₹ 80,953 on momondo.

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

You could potentially save up to 26% 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

Direct flights	None

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

Search flight deals

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 6 as of October 2025.
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
Air India	PriceFrom ₹ 71,286	Free Cancellation	Rating 5.5 2,937 reviews	Search Air India flights
Etihad Airways	PriceFrom ₹ 77,002	Free Cancellation	Rating 7.4 1,280 reviews	Search Etihad Airways flights
Lufthansa	PriceFrom ₹ 80,013	Free Cancellation	Rating 6.8 7,491 reviews	Search Lufthansa flights
Qatar Airways	PriceFrom ₹ 80,635	Free Cancellation	Rating 7.4 3,651 reviews	Search Qatar Airways flights
British Airways	PriceFrom ₹ 80,967	Free Cancellation	Rating 6.7 7,457 reviews	Search British Airways flights
Emirates	PriceFrom ₹ 92,474	Free Cancellation	Rating 8.1 3,374 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.