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 30h 10m.

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

Etihad Airways, KLM, 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 2 as of October 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.

₹ 41,325 Cheap Flights from Tamil Nadu to Illinois in 2026/27

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.

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

33h 10m1 stop Abu Dhabi Zayed Intl

14:00 - 20:10ORD Chicago O'Hare Intl-MAA Chennai

19h 40m1 stop Abu Dhabi Zayed Intl

₹ 86,839Etihad Airways

Tue, 10 Nov - Fri, 7 May

21:50 - 07:35MAA Chennai-ORD Chicago O'Hare Intl

21h 15m1 stop Abu Dhabi Zayed Intl

08:50 - 02:50ORD Chicago O'Hare Intl-MAA Chennai

31h 30m2 stops Boston Logan Intl Abu Dhabi Zayed Intl

₹ 87,030Etihad Airways

Tue, 10 Nov - Fri, 7 May

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

33h 10m1 stop Abu Dhabi Zayed Intl

08:50 - 02:50ORD Chicago O'Hare Intl-MAA Chennai

31h 30m2 stops Boston Logan Intl Abu Dhabi Zayed Intl

₹ 87,030Etihad Airways

Tue, 10 Nov - Fri, 7 May

21:50 - 07:35MAA Chennai-ORD Chicago O'Hare Intl

21h 15m1 stop Abu Dhabi Zayed Intl

08:50 - 02:50ORD Chicago O'Hare Intl-MAA Chennai

31h 30m2 stops Boston Logan Intl Abu Dhabi Zayed Intl

₹ 87,125Etihad Airways

Tue, 10 Nov - Fri, 7 May

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

22h 45m1 stop Dubai Intl

20:45 - 20:10ORD Chicago O'Hare Intl-MAA Chennai

36h 55m1 stop Dubai Intl

₹ 88,648Emirates

Sun, 7 Mar - Tue, 23 Mar

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

22h 45m1 stop Dubai Intl

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

37h 25m1 stop Dubai Intl

₹ 90,457Emirates

Tue, 2 Mar - Tue, 14 Sep

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

₹ 91,124Emirates

Thu, 19 Nov - Mon, 11 Jan

08:15 - 16:10MAA Chennai-ORD Chicago O'Hare Intl

42h 25m2 stops Muscat Seeb Amman Queen Alia Intl

20:00 - 14:40ORD Chicago O'Hare Intl-MAA Chennai

32h 10m2 stops Amman Queen Alia Intl Muscat Seeb

₹ 91,314Oman Air

Sun, 28 Mar - Fri, 21 May

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

21h 55m1 stop Doha Hamad Intl

06:31 - 02:15ORD Chicago O'Hare Intl-MAA Chennai

33h 14m2 stops New York John F Kennedy Intl Doha Hamad Intl

₹ 92,457Multiple Airlines

Sun, 7 Mar - Tue, 23 Mar

07:10 - 15:05MAA Chennai-ORD Chicago O'Hare Intl

43h 25m2 stops Muscat Seeb Amman Queen Alia Intl

18:50 - 06:25ORD Chicago O'Hare Intl-MAA Chennai

48h 05m2 stops Amman Queen Alia Intl Muscat Seeb

₹ 93,504Oman Air

Fri, 11 Dec - Mon, 28 Dec

Cheap last-minute flights

Enter your travel dates to find the best prices.

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

40h 10m1 stop Abu Dhabi Zayed Intl

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

38h 20m1 stop Abu Dhabi Zayed Intl

₹ 89,220Etihad Airways

Thu, 15 Oct - Sun, 25 Oct

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

40h 10m1 stop Abu Dhabi Zayed Intl

14:15 - 08:05ORD Chicago O'Hare Intl-MAA Chennai

31h 20m1 stop Abu Dhabi Zayed Intl

₹ 90,457Etihad Airways

Thu, 15 Oct - Thu, 29 Oct

09:50 - 16:00MAA Chennai-ORD Chicago O'Hare Intl

40h 40m1 stop Dubai Intl

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

19h 25m1 stop Dubai Intl

₹ 91,886Emirates

Thu, 15 Oct - Mon, 19 Oct

09:50 - 16:00MAA Chennai-ORD Chicago O'Hare Intl

40h 40m1 stop Dubai Intl

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

19h 25m1 stop Dubai Intl

₹ 92,076Emirates

Thu, 15 Oct - Mon, 19 Oct

04:15 - 15:55MAA Chennai-ORD Chicago O'Hare Intl

22h 10m1 stop Abu Dhabi Zayed Intl

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

19h 05m1 stop Abu Dhabi Zayed Intl

₹ 94,361Etihad Airways

Fri, 16 Oct - Fri, 8 Jan

10:15 - 08:35MAA Chennai-ORD Chicago O'Hare Intl

32h 50m1 stop Abu Dhabi Zayed Intl

19:50 - 08:40ORD Chicago O'Hare Intl-MAA Chennai

50h 20m2 stops Zurich Mumbai Chhatrapati Shivaji Intl

₹ 95,599Multiple Airlines

Thu, 15 Oct - Sun, 25 Oct

04:15 - 15:55MAA Chennai-ORD Chicago O'Hare Intl

22h 10m1 stop Abu Dhabi Zayed Intl

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

38h 20m1 stop Abu Dhabi Zayed Intl

₹ 100,360Etihad Airways

Fri, 16 Oct - Thu, 29 Oct

04:15 - 15:55MAA Chennai-ORD Chicago O'Hare Intl

22h 10m1 stop Abu Dhabi Zayed Intl

11:00 - 19:50ORD Chicago O'Hare Intl-MAA Chennai

22h 20m2 stops Boston Logan Intl Abu Dhabi Zayed Intl

₹ 103,121Multiple Airlines

Fri, 16 Oct - Thu, 29 Oct

04:15 - 15:55MAA Chennai-ORD Chicago O'Hare Intl

22h 10m1 stop Abu Dhabi Zayed Intl

11:00 - 19:50ORD Chicago O'Hare Intl-MAA Chennai

22h 20m2 stops Boston Logan Intl Abu Dhabi Zayed Intl

₹ 103,502Multiple Airlines

Fri, 16 Oct - Thu, 29 Oct

04:05 - 16:00MAA Chennai-ORD Chicago O'Hare Intl

22h 25m1 stop Dubai Intl

19:45 - 20:10ORD Chicago O'Hare Intl-MAA Chennai

36h 55m1 stop Dubai Intl

₹ 108,168Emirates

Mon, 19 Oct - Thu, 19 Nov

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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 Nov

MAA09:55Chennai

33h 10m

1 stop

ORD07:35Chicago O'Hare Intl

7 May

ORD14:00Chicago O'Hare Intl

19h 40m

1 stop

MAA20:10Chennai

₹ 86,839

Etihad Airways

10 Nov

MAA09:55Chennai

33h 10m

1 stop

ORD07:35Chicago O'Hare Intl

7 May

ORD08:50Chicago O'Hare Intl

31h 30m

2 stops

MAA02:50Chennai

₹ 87,030

Etihad Airways

10 Nov

MAA21:50Chennai

21h 15m

1 stop

ORD07:35Chicago O'Hare Intl

7 May

ORD08:50Chicago O'Hare Intl

31h 30m

2 stops

MAA02:50Chennai

₹ 87,125

Oman Air flights from Tamil Nadu to Illinois

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

Oman Air

28 Mar

MAA08:15Chennai

42h 25m

2 stops

ORD16:10Chicago O'Hare Intl

21 May

ORD20:00Chicago O'Hare Intl

32h 10m

2 stops

MAA14:40Chennai

₹ 91,314

Oman Air

23 Oct

MAA08:15Chennai

42h 25m

2 stops

ORD16:10Chicago O'Hare Intl

11 Jan

ORD18:50Chicago O'Hare Intl

32h 00m

2 stops

MAA14:20Chennai

₹ 92,647

Oman Air

11 Dec

MAA07:10Chennai

43h 25m

2 stops

ORD15:05Chicago O'Hare Intl

28 Dec

ORD18:50Chicago O'Hare Intl

48h 05m

2 stops

MAA06:25Chennai

₹ 93,504

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ChennaiChicago

MAA Chennai - ORD Chicago O'Hare Intl

MAAORD

Chennai

Tue 10/11

09:55-07:35

1 stop33h 10m

Chicago O'Hare Intl

Fri 7/5

14:00-20:10

1 stop19h 40m

₹ 86,839

Fastest return journey

ChennaiChicago

MAA Chennai - ORD Chicago O'Hare Intl

MAAORD

Chennai

Tue 10/11

21:50-07:35

1 stop21h 15m

Chicago O'Hare Intl

Fri 7/5

08:50-02:50

2 stops31h 30m

₹ 87,030

ChennaiChicago

MAA Chennai - ORD Chicago O'Hare Intl

MAAORD

Chennai

Tue 10/11

09:55-07:35

1 stop33h 10m

Chicago O'Hare Intl

Fri 7/5

08:50-02:50

2 stops31h 30m

₹ 87,030

ChennaiChicago

MAA Chennai - ORD Chicago O'Hare Intl

MAAORD

Chennai

Tue 10/11

21:50-07:35

1 stop21h 15m

Chicago O'Hare Intl

Fri 7/5

08:50-02:50

2 stops31h 30m

₹ 87,125

ChennaiChicago

MAA Chennai - ORD Chicago O'Hare Intl

MAAORD

Chennai

Sun 7/3

03:55-15:10

1 stop22h 45m

Chicago O'Hare Intl

Tue 23/3

20:45-20:10

1 stop36h 55m

₹ 88,648

ChennaiChicago

MAA Chennai - ORD Chicago O'Hare Intl

MAAORD

Chennai

Tue 2/3

03:55-15:10

1 stop22h 45m

Chicago O'Hare Intl

Tue 14/9

20:35-20:30

1 stop37h 25m

₹ 90,457

ChennaiChicago

MAA Chennai - ORD Chicago O'Hare Intl

MAAORD

Chennai

Thu 19/11

21:45-15:10

1 stop28h 55m

Chicago O'Hare Intl

Mon 11/1

19:45-08:15

1 stop25h 00m

₹ 91,124

ChennaiChicago

MAA Chennai - ORD Chicago O'Hare Intl

MAAORD

Chennai

Sun 28/3

08:15-16:10

2 stops42h 25m

Chicago O'Hare Intl

Fri 21/5

20:00-14:40

2 stops32h 10m

₹ 91,314

ChennaiChicago

MAA Chennai - ORD Chicago O'Hare Intl

MAAORD

Chennai

Sun 7/3

04:05-14:30

1 stop21h 55m

Chicago O'Hare Intl

Tue 23/3

06:31-02:15

2 stops33h 14m

₹ 92,457

ChennaiChicago

MAA Chennai - ORD Chicago O'Hare Intl

MAAORD

Chennai

Fri 11/12

07:10-15:05

2 stops43h 25m

Chicago O'Hare Intl

Mon 28/12

18:50-06:25

2 stops48h 05m

₹ 93,504

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 ₹ 87,791. If you aren’t able to travel during the month of April, then book flights to Illinois from Tamil Nadu during March instead. Flights to Illinois in March, while not as cheap as those in April, still average around ₹ 89,029.

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 ₹ 95,996 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 ₹ 83,506 on momondo.

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

You could potentially save up to 28% 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

Best price found	₹ 41,325
Fastest flight time	21h 15m
Direct flights	None

The best one-way flight to Illinois from Tamil Nadu in the past 72 hours is ₹ 41,325. The best return flight deal from Tamil Nadu to Illinois found on momondo in the last 72 hours is ₹ 86,839.

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 2 as of October 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 ₹ 73,742	Free Cancellation	Rating 7.3 1,542 reviews		Search Etihad Airways flights
Emirates	PriceFrom ₹ 92,619	Free Cancellation	Rating 8.1 3,678 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.