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

Qatar Airways, Etihad Airways, and IndiGo are the most popular carriers operating from Tamil Nadu to Illinois

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 57% 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.

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 22h 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 55h 20m.

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 May 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.

₹ 53,574 Cheap Flights from Tamil Nadu to Illinois in 2026

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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.

08:15 - 06:50

MAA

ORD

33h 05m

2 stops

11:10 - 07:25

ORD

MAA

33h 45m

2 stops

₹ 89,644Oman Air

Mon, 8 Jun - Tue, 8 Sep

20:40 - 12:35

MAA

ORD

26h 25m

2 stops

16:20 - 00:05

ORD

MAA

20h 15m

1 stop

₹ 92,449Multiple Airlines

Sun, 13 Sep - Sat, 6 Mar

04:05 - 15:40

MAA

ORD

22h 05m

1 stop

21:10 - 02:50

ORD

MAA

19h 10m

1 stop

₹ 92,545Etihad Airways

Thu, 2 Jul - Thu, 15 Oct

04:20 - 15:05

MAA

ORD

21h 15m

1 stop

18:50 - 02:30

ORD

MAA

20h 10m

1 stop

₹ 93,029Multiple Airlines

Tue, 8 Sep - Tue, 26 Jan

22:05 - 15:45

MAA

ORD

28h 10m

1 stop

19:45 - 20:10

ORD

MAA

36h 55m

1 stop

₹ 93,416Emirates

Tue, 16 Jun - Thu, 3 Dec

21:55 - 15:40

MAA

ORD

28h 15m

1 stop

21:10 - 08:25

ORD

MAA

24h 45m

1 stop

₹ 93,802Etihad Airways

Sun, 28 Jun - Mon, 13 Jul

09:50 - 15:45

MAA

ORD

40h 25m

1 stop

20:35 - 20:30

ORD

MAA

37h 25m

1 stop

₹ 94,092Emirates

Sun, 14 Jun - Sun, 27 Sep

18:10 - 15:00

CJB

ORD

55h 20m

2 stops

19:05 - 11:00

ORD

CJB

29h 25m

2 stops

₹ 159,464British Airways

Wed, 16 Sep - Sun, 20 Sep

12:20 - 18:15

CJB

ORD

40h 25m

2 stops

19:05 - 13:30

ORD

CJB

31h 55m

2 stops

₹ 159,561British Airways

Wed, 16 Sep - Sun, 20 Sep

18:45 - 17:22

CJB

ORD

57h 07m

3 stops

09:35 - 14:45

ORD

CJB

66h 40m

2 stops

₹ 222,902Air India

Mon, 15 Jun - Sun, 21 Jun

Emirates flights from Tamil Nadu to Illinois

Our best Emirates deals on Tamil Nadu to Illinois flight tickets

Emirates

16 Jun

MAA22:05Chennai

28h 10m

1 stop

ORD15:45Chicago O'Hare Intl

3 Dec

ORD19:45Chicago O'Hare Intl

36h 55m

1 stop

MAA20:10Chennai

₹ 93,416

Emirates

14 Jun

MAA09:50Chennai

40h 25m

1 stop

ORD15:45Chicago O'Hare Intl

27 Sept

ORD20:35Chicago O'Hare Intl

37h 25m

1 stop

MAA20:30Chennai

₹ 94,092

Emirates

8 Jun

MAA09:50Chennai

40h 25m

1 stop

ORD15:45Chicago O'Hare Intl

16 Jun

ORD20:35Chicago O'Hare Intl

19h 25m

1 stop

MAA02:30Chennai

₹ 94,286

Oman Air flights from Tamil Nadu to Illinois

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

Oman Air

8 Jun

MAA08:15Chennai

33h 05m

2 stops

ORD06:50Chicago O'Hare Intl

8 Sept

ORD11:10Chicago O'Hare Intl

33h 45m

2 stops

MAA07:25Chennai

₹ 89,644

Oman Air

8 Jun

MAA08:15Chennai

33h 05m

2 stops

ORD06:50Chicago O'Hare Intl

5 Sept

ORD11:10Chicago O'Hare Intl

33h 45m

2 stops

MAA07:25Chennai

₹ 94,673

Oman Air

4 Sept

MAA04:10Chennai

37h 10m

2 stops

ORD06:50Chicago O'Hare Intl

22 Feb

ORD18:50Chicago O'Hare Intl

32h 00m

2 stops

MAA14:20Chennai

₹ 95,350

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Mon 8/6

08:15-06:50

2 stops33h 05m

Chicago O'Hare Intl

Tue 8/9

11:10-07:25

2 stops33h 45m

₹ 89,644

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Sun 13/9

20:40-12:35

2 stops26h 25m

Chicago O'Hare Intl

Sat 6/3

16:20-00:05

1 stop20h 15m

₹ 92,449

Fastest return journey

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Thu 2/7

04:05-15:40

1 stop22h 05m

Chicago O'Hare Intl

Thu 15/10

21:10-02:50

1 stop19h 10m

₹ 92,545

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Tue 8/9

04:20-15:05

1 stop21h 15m

Chicago O'Hare Intl

Tue 26/1

18:50-02:30

1 stop20h 10m

₹ 93,029

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Tue 16/6

22:05-15:45

1 stop28h 10m

Chicago O'Hare Intl

Thu 3/12

19:45-20:10

1 stop36h 55m

₹ 93,416

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Sun 28/6

21:55-15:40

1 stop28h 15m

Chicago O'Hare Intl

Mon 13/7

21:10-08:25

1 stop24h 45m

₹ 93,802

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Sun 14/6

09:50-15:45

1 stop40h 25m

Chicago O'Hare Intl

Sun 27/9

20:35-20:30

1 stop37h 25m

₹ 94,092

CoimbatoreChicago

CJB - ORD

CJBORD

Coimbatore Peelamedu

Wed 16/9

18:10-15:00

2 stops55h 20m

Chicago O'Hare Intl

Sun 20/9

19:05-11:00

2 stops29h 25m

₹ 159,464

CoimbatoreChicago

CJB - ORD

CJBORD

Coimbatore Peelamedu

Wed 16/9

12:20-18:15

2 stops40h 25m

Chicago O'Hare Intl

Sun 20/9

19:05-13:30

2 stops31h 55m

₹ 159,561

CoimbatoreChicago

CJB - ORD

CJBORD

Coimbatore Peelamedu

Mon 15/6

18:45-17:22

3 stops57h 07m

Chicago O'Hare Intl

Sun 21/6

09:35-14:45

2 stops66h 40m

₹ 222,902

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 ₹ 39,455. 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 ₹ 54,541.

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 ₹ 97,243 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 ₹ 87,613 on momondo.

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	22h 10m
Direct flights	None

The fastest flight from Tamil Nadu to Illinois takes 22h 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 May 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 ₹ 73,653	Free Cancellation	Rating 7.3 1,441 reviews	Search Etihad Airways flights
Air India	PriceFrom ₹ 76,843	Free Cancellation	Rating 5.5 2,958 reviews	Search Air India flights
Qatar Airways	PriceFrom ₹ 85,833	Free Cancellation	Rating 7.4 3,730 reviews	Search Qatar Airways flights
British Airways	PriceFrom ₹ 92,968	Free Cancellation	Rating 6.7 7,991 reviews	Search British Airways flights
Emirates	PriceFrom ₹ 94,063	Free Cancellation	Rating 8.1 3,575 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.