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

Cathay Pacific, IndiGo, and Air India are the most popular carriers operating from Illinois to Chennai

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 51% 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.

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 25h 07m on average. On the other hand, flying from Peoria to Chennai takes 31h 51m 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.

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 January 2026.

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.

₹ 32,071 Cheap Flights from Illinois to Chennai in 2026

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.

13:10 - 04:55

ORD

MAA

29h 15m

1 stop

09:50 - 11:10

MAA

ORD

35h 50m

1 stop

₹ 65,699Air India

Mon, 11 May - Tue, 16 Jun

14:10 - 19:55

ORD

MAA

19h 15m

1 stop

16:35 - 08:35

MAA

ORD

26h 30m

1 stop

₹ 66,157Etihad Airways

Wed, 11 Mar - Wed, 6 May

13:30 - 08:55

ORD

MAA

31h 55m

1 stop

21:40 - 12:30

MAA

ORD

25h 20m

1 stop

₹ 66,341Air India

Sun, 22 Feb - Sun, 15 Mar

13:30 - 00:30

ORD

MAA

23h 30m

1 stop

21:40 - 12:30

MAA

ORD

25h 20m

1 stop

₹ 66,799Air India

Sun, 22 Feb - Sat, 14 Mar

07:00 - 20:10

STL

MAA

26h 40m

2 stops

21:55 - 19:30

MAA

STL

32h 05m

2 stops

₹ 85,400Multiple Airlines

Sun, 12 Apr - Sun, 3 May

16:05 - 02:30

STL

MAA

22h 55m

2 stops

04:05 - 18:00

MAA

STL

25h 25m

2 stops

₹ 88,790Qatar Airways

Wed, 18 Feb - Tue, 3 Mar

14:00 - 02:30

STL

MAA

25h 00m

2 stops

04:05 - 21:11

MAA

STL

27h 36m

2 stops

₹ 88,882Qatar Airways

Sun, 22 Feb - Wed, 11 Mar

13:24 - 08:45

PIA

MAA

31h 51m

3 stops

01:50 - 21:26

MAA

PIA

31h 06m

2 stops

₹ 109,865Lufthansa

Sat, 7 Feb - Fri, 13 Feb

13:24 - 00:05

PIA

MAA

23h 11m

2 stops

01:50 - 21:26

MAA

PIA

31h 06m

2 stops

₹ 111,515Lufthansa

Sat, 7 Feb - Fri, 13 Feb

11:05 - 05:35

MDW

MAA

31h 00m

2 stops

07:35 - 15:20

MAA

MDW

66h 15m

2 stops

₹ 672,570Multiple Airlines

Fri, 27 Feb - Fri, 20 Mar

Etihad Airways flights from Illinois to Chennai

Our best Etihad Airways deals on Illinois to Chennai flight tickets

Etihad Airways

23 Feb

ORD13:10Chicago O'Hare Intl

19h 15m

1 stop

MAA19:55Chennai

2 Mar

MAA10:00Chennai

33h 05m

1 stop

ORD07:35Chicago O'Hare Intl

₹ 66,157

Etihad Airways

9 Feb

ORD13:10Chicago O'Hare Intl

19h 15m

1 stop

MAA19:55Chennai

23 Feb

MAA16:10Chennai

26h 55m

1 stop

ORD07:35Chicago O'Hare Intl

₹ 67,990

Etihad Airways

19 Mar

ORD14:10Chicago O'Hare Intl

19h 15m

1 stop

MAA19:55Chennai

7 Apr

MAA04:05Chennai

39h 00m

1 stop

ORD08:35Chicago O'Hare Intl

₹ 68,265

Air India flights from Illinois to Chennai

Our best Air India deals on Illinois to Chennai flight tickets

Air India

22 Feb

ORD13:30Chicago O'Hare Intl

31h 55m

1 stop

MAA08:55Chennai

15 Mar

MAA21:40Chennai

25h 20m

1 stop

ORD12:30Chicago O'Hare Intl

₹ 66,341

Air India

22 Feb

ORD13:30Chicago O'Hare Intl

23h 30m

1 stop

MAA00:30Chennai

14 Mar

MAA21:40Chennai

25h 20m

1 stop

ORD12:30Chicago O'Hare Intl

₹ 66,799

Air India

15 Jul

ORD13:10Chicago O'Hare Intl

21h 20m

1 stop

MAA21:00Chennai

28 Jul

MAA21:40Chennai

24h 00m

2 stops

ORD11:10Chicago O'Hare Intl

₹ 67,074

Fly from

Fly to

Route

Depart

Return

Price

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Mon 11/5

13:10-04:55

1 stop29h 15m

Chennai

Tue 16/6

09:50-11:10

1 stop35h 50m

₹ 65,699

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Wed 11/3

14:10-19:55

1 stop19h 15m

Chennai

Wed 6/5

16:35-08:35

1 stop26h 30m

₹ 66,157

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Sun 22/2

13:30-08:55

1 stop31h 55m

Chennai

Sun 15/3

21:40-12:30

1 stop25h 20m

₹ 66,341

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Sun 22/2

13:30-00:30

1 stop23h 30m

Chennai

Sat 14/3

21:40-12:30

1 stop25h 20m

₹ 66,799

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Sun 12/4

07:00-20:10

2 stops26h 40m

Chennai

Sun 3/5

21:55-19:30

2 stops32h 05m

₹ 85,400

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Wed 18/2

16:05-02:30

2 stops22h 55m

Chennai

Tue 3/3

04:05-18:00

2 stops25h 25m

₹ 88,790

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Sun 22/2

14:00-02:30

2 stops25h 00m

Chennai

Wed 11/3

04:05-21:11

2 stops27h 36m

₹ 88,882

PeoriaChennai

PIA - MAA

PIAMAA

Greater Peoria

Sat 7/2

13:24-08:45

3 stops31h 51m

Chennai

Fri 13/2

01:50-21:26

2 stops31h 06m

₹ 109,865

PeoriaChennai

PIA - MAA

PIAMAA

Greater Peoria

Sat 7/2

13:24-00:05

2 stops23h 11m

Chennai

Fri 13/2

01:50-21:26

2 stops31h 06m

₹ 111,515

ChicagoChennai

MDW - MAA

MDWMAA

Chicago Midway

Fri 27/2

11:05-05:35

2 stops31h 00m

Chennai

Fri 20/3

07:35-15:20

2 stops66h 15m

₹ 672,570

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 February is another great option to travel to Chennai, with average flight prices from Illinois averaging around ₹ 78,344.

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 ₹ 96,159 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 ₹ 80,635 on momondo.

Can stopping save me money on Illinois to Chennai flights?

You could potentially save up to 25% 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 January 2026.
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
Etihad Airways	PriceFrom ₹ 70,349	Free Cancellation	Rating 7.3 1,376 reviews	Search Etihad Airways flights
Air India	PriceFrom ₹ 77,792	Free Cancellation	Rating 5.5 2,976 reviews	Search Air India flights
Lufthansa	PriceFrom ₹ 77,883	Free Cancellation	Rating 6.8 7,749 reviews	Search Lufthansa flights
British Airways	PriceFrom ₹ 78,563	Free Cancellation	Rating 6.7 7,704 reviews	Search British Airways flights
Emirates	PriceFrom ₹ 90,418	Free Cancellation	Rating 8.1 3,488 reviews	Search Emirates flights

Mahabalipuram

Vellore

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.