How long does it take to fly to Chennai?

Flight times vary depending on what airport in Illinois you fly out of and what airport in Chennai you fly into. For example, flying from Chicago to Chennai takes 23h 37m on average. On the other hand, flying from Peoria to Chennai takes 24h 49m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo to see if there are any available for your route.

Which airlines fly to Chennai?

Etihad Airways, Air India and British Airways are the top three most popular airlines that fly to Chennai from Illinois according to our data. Etihad Airways is the first choice among our users, with 56% of people opting to fly with this airline when travelling to Chennai. Keep in mind that there are 5 different airlines that fly to Chennai on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Illinois to Chennai?

Air India, Etihad Airways, and Qatar Airways are the most popular carriers operating from Illinois to Chennai

When did momondo last update prices for flights from Illinois to Chennai Airport?

Prices for flights from Illinois to Chennai Airport are updated daily.

How many operators does momondo search for flights from Illinois to Chennai Airport?

There are 5 operators available for flights from Illinois to Chennai Airport as of December 2025.

How old do you have to be to fly from Illinois to Chennai Airport?

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 Illinois to Chennai Airport.

What documentation or ID do you need to fly to Chennai Airport?

The travel and health documents required for your trip to Chennai Airport 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 Chennai Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

₹ 29,126 Cheap Flights from Illinois to Chennai in 2025/26

1 adult

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Find the cheapest flights from Illinois to Chennai

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

13:30 - 18:30

ORD

MAA

41h 30m1 stop

09:50 - 11:30

MAA

ORD

37h 10m2 stops

₹ 68,473Air India

Wed, 14 Jan - Tue, 3 Feb

14:35 - 00:35

ORD

MAA

22h 30m1 stop

02:00 - 12:55

MAA

ORD

22h 25m1 stop

₹ 68,564Cathay Pacific

Fri, 13 Feb - Sun, 22 Feb

14:35 - 00:35

ORD

MAA

22h 30m1 stop

02:00 - 12:55

MAA

ORD

22h 25m1 stop

₹ 68,654Cathay Pacific

Sun, 8 Feb - Mon, 23 Feb

14:35 - 00:35

ORD

MAA

22h 30m1 stop

02:00 - 12:55

MAA

ORD

22h 25m1 stop

₹ 68,744Cathay Pacific

Fri, 13 Feb - Mon, 2 Mar

13:30 - 22:40

ORD

MAA

21h 40m1 stop

10:00 - 07:35

MAA

ORD

33h 05m1 stop

₹ 68,835Multiple Airlines

Wed, 11 Feb - Wed, 25 Feb

21:45 - 05:35

ORD

MAA

20h 20m1 stop

07:35 - 13:50

MAA

ORD

41h 45m1 stop

₹ 68,925British Airways

Mon, 9 Feb - Tue, 24 Feb

14:35 - 00:35

ORD

MAA

22h 30m1 stop

02:00 - 12:55

MAA

ORD

22h 25m1 stop

₹ 69,016Cathay Pacific

Tue, 10 Feb - Wed, 25 Feb

13:10 - 02:30

ORD

MAA

25h 50m1 stop

06:55 - 12:30

MAA

ORD

40h 05m2 stops

₹ 69,106Multiple Airlines

Wed, 18 Feb - Sat, 21 Mar

07:15 - 02:20

STL

MAA

31h 35m2 stops

04:05 - 21:15

MAA

STL

28h 40m2 stops

₹ 86,383Qatar Airways

Wed, 28 Jan - Tue, 10 Feb

15:20 - 02:30

STL

MAA

23h 40m2 stops

04:05 - 17:05

MAA

STL

48h 30m2 stops

₹ 87,287Qatar Airways

Wed, 28 Jan - Sun, 15 Feb

Etihad Airways flights from Illinois to Chennai

Our best Etihad Airways deals on Illinois to Chennai flight tickets

Etihad Airways

18 Jan

ORD13:10Chicago O'Hare Intl

31h 30m

1 stop

MAA08:10Chennai

10 Feb

MAA10:00Chennai

33h 05m

1 stop

ORD07:35Chicago O'Hare Intl

₹ 70,373

Find similar

Etihad Airways

17 Feb

ORD13:10Chicago O'Hare Intl

19h 15m

1 stop

MAA19:55Chennai

2 Mar

MAA21:40Chennai

21h 25m

1 stop

ORD07:35Chicago O'Hare Intl

₹ 71,639

Find similar

Etihad Airways

14 Jan

ORD13:10Chicago O'Hare Intl

31h 30m

1 stop

MAA08:10Chennai

6 Feb

MAA15:45Chennai

27h 20m

1 stop

ORD07:35Chicago O'Hare Intl

₹ 71,729

Find similar

Air India flights from Illinois to Chennai

Our best Air India deals on Illinois to Chennai flight tickets

Air India

11 Feb

ORD13:30Chicago O'Hare Intl

21h 40m

1 stop

MAA22:40Chennai

24 Feb

MAA06:55Chennai

40h 05m

2 stops

ORD11:30Chicago O'Hare Intl

₹ 68,473

Find similar

Air India

1 Mar

ORD13:30Chicago O'Hare Intl

27h 55m

1 stop

MAA04:55Chennai

14 Mar

MAA16:20Chennai

30h 40m

1 stop

ORD12:30Chicago O'Hare Intl

₹ 69,197

Find similar

Air India

6 May

ORD13:10Chicago O'Hare Intl

23h 00m

1 stop

MAA22:40Chennai

21 May

MAA21:40Chennai

24h 00m

2 stops

ORD11:10Chicago O'Hare Intl

₹ 69,287

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Wed 14/1

13:30-18:30

1 stop41h 30m

Chennai

Tue 3/2

09:50-11:30

2 stops37h 10m

₹ 68,473

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Fri 13/2

14:35-00:35

1 stop22h 30m

Chennai

Sun 22/2

02:00-12:55

1 stop22h 25m

₹ 68,564

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Sun 8/2

14:35-00:35

1 stop22h 30m

Chennai

Mon 23/2

02:00-12:55

1 stop22h 25m

₹ 68,654

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Fri 13/2

14:35-00:35

1 stop22h 30m

Chennai

Mon 2/3

02:00-12:55

1 stop22h 25m

₹ 68,744

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Wed 11/2

13:30-22:40

1 stop21h 40m

Chennai

Wed 25/2

10:00-07:35

1 stop33h 05m

₹ 68,835

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Mon 9/2

21:45-05:35

1 stop20h 20m

Chennai

Tue 24/2

07:35-13:50

1 stop41h 45m

₹ 68,925

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Tue 10/2

14:35-00:35

1 stop22h 30m

Chennai

Wed 25/2

02:00-12:55

1 stop22h 25m

₹ 69,016

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Wed 18/2

13:10-02:30

1 stop25h 50m

Chennai

Sat 21/3

06:55-12:30

2 stops40h 05m

₹ 69,106

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Wed 28/1

07:15-02:20

2 stops31h 35m

Chennai

Tue 10/2

04:05-21:15

2 stops28h 40m

₹ 86,383

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Wed 28/1

15:20-02:30

2 stops23h 40m

Chennai

Sun 15/2

04:05-17:05

2 stops48h 30m

₹ 87,287

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 Illinois to Chennai

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 Chennai?

The month of September is another great option to travel to Chennai, with average flight prices from Illinois averaging around ₹ 78,694.

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

On average, the least expensive day to fly to Chennai from Illinois is on a Thursday. momondo users have found tickets for Thursday departures for as low as ₹ 109,743. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Illinois to Chennai on a Sunday will generally be more expensive and average around ₹ 140,124. 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 Chennai?

Our data shows that the cheapest Illinois to Chennai flights are usually those with departure times in the morning. Our users have found flights to Chennai in the morning for as low as ₹ 98,282. Try not to purchase tickets in the evening because they tend to be around ₹ 137,543. Of course, these prices can vary depending on the time of year and what airport you fly to.

How far in advance should I book a flight to Chennai?

You are more likely to see cheaper flights to Chennai from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Chennai for around ₹ 95,157 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chennai from Illinois for as low as ₹ 80,956 on momondo.

Can stopping save me money on Illinois to Chennai flights?

You could potentially save up to 64% on your flight if you consider stops on a Illinois to Chennai flight.

Cheap Illinois to Chennai flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Chennai

Fastest flight time	19h 15m
Direct flights	None

The fastest flight from Illinois to Chennai takes 19h 15m

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

Search flight deals

When did momondo last update prices for flights from Illinois to Chennai Airport?
Prices for flights from Illinois to Chennai Airport are updated daily.
How many operators does momondo search for flights from Illinois to Chennai Airport?
There are 5 operators available for flights from Illinois to Chennai Airport as of December 2025.
How old do you have to be to fly from Illinois to Chennai Airport?
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 Illinois to Chennai Airport.
What documentation or ID do you need to fly to Chennai Airport?
The travel and health documents required for your trip to Chennai Airport 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 Chennai Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Illinois to Chennai

Compare and see reviews for airlines that fly from Illinois to Chennai with momondo

Airline	Rating	Free Cancellation	Price
Lufthansa	PriceFrom ₹ 40,631	Free Cancellation	Rating 6.8 7,626 reviews	Search Lufthansa flights
Air India	PriceFrom ₹ 67,340	Free Cancellation	Rating 5.5 2,947 reviews	Search Air India flights
Etihad Airways	PriceFrom ₹ 69,445	Free Cancellation	Rating 7.4 1,331 reviews	Search Etihad Airways flights
British Airways	PriceFrom ₹ 77,554	Free Cancellation	Rating 6.7 7,571 reviews	Search British Airways flights
Emirates	PriceFrom ₹ 88,605	Free Cancellation	Rating 8.1 3,435 reviews	Search Emirates flights

Mahabalipuram

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Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Chennai?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Chennai from Illinois.

Can I find flights from Illinois to Chennai with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Illinois to Chennai flights to just show those with flexible booking policies.

How can momondo help me find flights from Illinois to Chennai?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Chennai from Illinois.

I’m not ready to book a flight from Illinois to Chennai right now. Can momondo alert me if prices change?

Price alerts on flights to Chennai from Illinois are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.