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

Etihad Airways, Qatar Airways, and Emirates 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 36h 40m.

Which airlines fly to Illinois?

Etihad Airways, British Airways and Air India 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 54% of people opting to fly with this airline when travelling to Illinois. Keep in mind that there are 5 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 5 as of April 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.

₹ 51,378 Cheap Flights from Tamil Nadu to Illinois in 2026

1 adult

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Find the cheapest flights from Tamil Nadu to Illinois

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

10:15 - 08:35

MAA

ORD

32h 50m

1 stop

21:10 - 02:25

ORD

MAA

18h 45m

1 stop

₹ 84,555Etihad Airways

Wed, 10 Jun - Tue, 7 Jul

10:15 - 08:35

MAA

ORD

32h 50m

1 stop

21:10 - 02:25

ORD

MAA

18h 45m

1 stop

₹ 84,745Etihad Airways

Sun, 31 May - Mon, 7 Sep

09:00 - 11:10

CJB

ORD

36h 40m

3 stops

13:10 - 08:20

ORD

CJB

32h 40m

2 stops

₹ 116,500Air India

Tue, 2 Jun - Wed, 21 Oct

09:00 - 11:10

CJB

ORD

36h 40m

2 stops

14:30 - 08:10

ORD

CJB

30h 10m

2 stops

₹ 120,861Air India

Thu, 18 Jun - Sun, 8 Nov

09:00 - 15:45

CJB

ORD

41h 15m

2 stops

20:35 - 08:20

ORD

CJB

49h 15m

2 stops

₹ 122,851Multiple Airlines

Sun, 24 May - Thu, 4 Jun

21:45 - 15:45

CJB

ORD

28h 30m

2 stops

20:35 - 08:20

ORD

CJB

25h 15m

2 stops

₹ 123,136Multiple Airlines

Tue, 2 Jun - Wed, 21 Oct

04:25 - 22:57

MAA

STL

29h 02m

2 stops

10:16 - 02:50

STL

MAA

30h 04m

2 stops

₹ 125,695Qatar Airways

Tue, 16 Jun - Tue, 11 Aug

04:10 - 22:58

MAA

STL

29h 18m

2 stops

12:43 - 02:20

STL

MAA

27h 07m

2 stops

₹ 125,790Qatar Airways

Wed, 3 Jun - Wed, 28 Oct

22:05 - 21:16

MAA

STL

33h 41m

2 stops

17:18 - 02:15

STL

MAA

22h 27m

2 stops

₹ 127,970Emirates

Mon, 1 Jun - Mon, 26 Oct

22:05 - 21:16

MAA

STL

33h 41m

2 stops

17:18 - 02:15

STL

MAA

22h 27m

2 stops

₹ 128,918Emirates

Mon, 1 Jun - Tue, 27 Oct

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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

10 Jun

MAA10:15Chennai

32h 50m

1 stop

ORD08:35Chicago O'Hare Intl

7 Jul

ORD21:10Chicago O'Hare Intl

18h 45m

1 stop

MAA02:25Chennai

₹ 84,555

Etihad Airways

31 May

MAA10:15Chennai

32h 50m

1 stop

ORD08:35Chicago O'Hare Intl

7 Sept

ORD21:10Chicago O'Hare Intl

18h 45m

1 stop

MAA02:25Chennai

₹ 84,745

Etihad Airways

14 Jul

MAA10:15Chennai

32h 50m

1 stop

ORD08:35Chicago O'Hare Intl

14 Oct

ORD21:10Chicago O'Hare Intl

18h 45m

1 stop

MAA02:25Chennai

₹ 85,124

Turkish Airlines flights from Tamil Nadu to Illinois

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

Turkish Airlines

14 May

MAA23:45Chennai

44h 25m

2 stops

ORD09:40Chicago O'Hare Intl

21 Sept

ORD20:10Chicago O'Hare Intl

31h 10m

2 stops

MAA13:50Chennai

₹ 108,917

Turkish Airlines

11 May

MAA22:30Chennai

30h 15m

3 stops

ORD18:15Chicago O'Hare Intl

12 Jul

ORD20:10Chicago O'Hare Intl

27h 40m

2 stops

MAA10:20Chennai

₹ 112,803

Turkish Airlines

10 May

MAA22:30Chennai

30h 15m

3 stops

ORD18:15Chicago O'Hare Intl

18 Jul

ORD20:10Chicago O'Hare Intl

27h 40m

2 stops

MAA10:20Chennai

₹ 117,448

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Wed 10/6

10:15-08:35

1 stop32h 50m

Chicago O'Hare Intl

Tue 7/7

21:10-02:25

1 stop18h 45m

₹ 84,555

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Sun 31/5

10:15-08:35

1 stop32h 50m

Chicago O'Hare Intl

Mon 7/9

21:10-02:25

1 stop18h 45m

₹ 84,745

CoimbatoreChicago

CJB - ORD

CJBORD

Coimbatore Peelamedu

Tue 2/6

09:00-11:10

3 stops36h 40m

Chicago O'Hare Intl

Wed 21/10

13:10-08:20

2 stops32h 40m

₹ 116,500

CoimbatoreChicago

CJB - ORD

CJBORD

Coimbatore Peelamedu

Thu 18/6

09:00-11:10

2 stops36h 40m

Chicago O'Hare Intl

Sun 8/11

14:30-08:10

2 stops30h 10m

₹ 120,861

CoimbatoreChicago

CJB - ORD

CJBORD

Coimbatore Peelamedu

Sun 24/5

09:00-15:45

2 stops41h 15m

Chicago O'Hare Intl

Thu 4/6

20:35-08:20

2 stops49h 15m

₹ 122,851

CoimbatoreChicago

CJB - ORD

CJBORD

Coimbatore Peelamedu

Tue 2/6

21:45-15:45

2 stops28h 30m

Chicago O'Hare Intl

Wed 21/10

20:35-08:20

2 stops25h 15m

₹ 123,136

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Tue 16/6

04:25-22:57

2 stops29h 02m

Lambert-St Louis

Tue 11/8

10:16-02:50

2 stops30h 04m

₹ 125,695

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Wed 3/6

04:10-22:58

2 stops29h 18m

Lambert-St Louis

Wed 28/10

12:43-02:20

2 stops27h 07m

₹ 125,790

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Mon 1/6

22:05-21:16

2 stops33h 41m

Lambert-St Louis

Mon 26/10

17:18-02:15

2 stops22h 27m

₹ 127,970

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Mon 1/6

22:05-21:16

2 stops33h 41m

Lambert-St Louis

Tue 27/10

17:18-02:15

2 stops22h 27m

₹ 128,918

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 ₹ 38,675. 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 ₹ 53,463.

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 ₹ 97,186 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 ₹ 85,882 on momondo.

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

You could potentially save up to 2% 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 5 as of April 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 ₹ 69,777	Free Cancellation	Rating 7.3 1,434 reviews	Search Etihad Airways flights
Air India	PriceFrom ₹ 76,127	Free Cancellation	Rating 5.5 2,956 reviews	Search Air India flights
Qatar Airways	PriceFrom ₹ 84,137	Free Cancellation	Rating 7.4 3,724 reviews	Search Qatar Airways flights
British Airways	PriceFrom ₹ 91,430	Free Cancellation	Rating 6.7 7,937 reviews	Search British Airways flights
Emirates	PriceFrom ₹ 92,205	Free Cancellation	Rating 8.1 3,568 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.