Which airlines fly to Illinois?

Etihad Airways, Emirates and British Airways are the top three most popular airlines that fly to Illinois from Chennai according to our data. Etihad Airways is the first choice among our users, with 65% of people opting to fly with this airline when travelling to Illinois. Keep in mind that there are 4 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

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

KLM, Turkish Airlines, and Oman Air are the most popular carriers operating from Chennai to Illinois

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

Prices for flights from Chennai Airport to Illinois are refreshed on a daily basis.

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

As of July 2026, there are 4 operators available to choose from for flights from Chennai Airport to Illinois.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chennai Airport to Illinois.

What documentation or ID do you need to fly to Illinois?

The required travel and health documents for your Illinois trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

₹ 56,647 Cheap Flights from Chennai to Illinois in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Chennai to Illinois

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

21:55 - 00:27

MAA

STL

37h 02m

2 stops

05:00 - 20:10

STL

MAA

28h 40m

2 stops

₹ 96,740Multiple Airlines

Fri, 11 Sep - Fri, 18 Sep

05:35 - 05:59

MAA

ORD

34h 54m

2 stops

17:10 - 05:35

ORD

MAA

24h 55m

1 stop

₹ 96,931British Airways

Tue, 6 Oct - Sat, 6 Feb

21:55 - 16:48

MAA

STL

29h 23m

2 stops

07:29 - 19:50

STL

MAA

24h 51m

2 stops

₹ 97,123Multiple Airlines

Tue, 15 Sep - Wed, 10 Feb

15:40 - 08:35

MAA

ORD

27h 25m

1 stop

13:10 - 19:50

ORD

MAA

19h 10m

1 stop

₹ 97,314Etihad Airways

Mon, 24 Aug - Wed, 18 Nov

15:40 - 08:35

MAA

ORD

27h 25m

1 stop

21:10 - 02:50

ORD

MAA

19h 10m

1 stop

₹ 97,314Etihad Airways

Mon, 24 Aug - Sat, 3 Oct

09:50 - 15:45

MAA

ORD

40h 25m

1 stop

20:35 - 20:30

ORD

MAA

37h 25m

1 stop

₹ 97,697Emirates

Thu, 8 Oct - Sun, 11 Oct

09:50 - 15:45

MAA

ORD

40h 25m

1 stop

20:35 - 20:30

ORD

MAA

37h 25m

1 stop

₹ 97,792Emirates

Thu, 8 Oct - Sun, 11 Oct

07:35 - 12:21

MAA

ORD

40h 16m

2 stops

21:50 - 05:35

ORD

MAA

20h 15m

1 stop

₹ 98,079British Airways

Fri, 11 Dec - Sun, 10 Jan

01:45 - 18:25

MAA

ORD

28h 10m

2 stops

16:20 - 00:05

ORD

MAA

20h 15m

1 stop

₹ 99,515Lufthansa

Sun, 20 Dec - Wed, 13 Jan

01:55 - 16:57

MAA

ORD

25h 32m

2 stops

14:15 - 00:10

ORD

MAA

23h 25m

2 stops

₹ 205,058Lufthansa

Tue, 18 Aug - Wed, 21 Oct

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customie your results

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Etihad Airways flights from Chennai to Illinois

Our best Etihad Airways deals on Chennai to Illinois flight tickets

Etihad Airways

24 Aug

MAA15:40Chennai

27h 25m

1 stop

ORD08:35Chicago O'Hare Intl

2 Oct

ORD14:00Chicago O'Hare Intl

19h 40m

1 stop

MAA20:10Chennai

₹ 97,314

Etihad Airways

27 Aug

MAA15:40Chennai

27h 25m

1 stop

ORD08:35Chicago O'Hare Intl

11 Nov

ORD20:20Chicago O'Hare Intl

18h 45m

1 stop

MAA02:35Chennai

₹ 97,410

Etihad Airways

4 Sept

MAA21:55Chennai

28h 15m

1 stop

ORD15:40Chicago O'Hare Intl

1 Dec

ORD13:10Chicago O'Hare Intl

31h 25m

1 stop

MAA08:05Chennai

₹ 97,888

Oman Air flights from Chennai to Illinois

Our best Oman Air deals on Chennai to Illinois flight tickets

Oman Air

22 Oct

MAA08:15Chennai

42h 25m

2 stops

ORD16:10Chicago O'Hare Intl

5 Nov

ORD10:35Chicago O'Hare Intl

32h 35m

2 stops

MAA06:40Chennai

₹ 97,601

Oman Air

10 Nov

MAA07:20Chennai

43h 15m

2 stops

ORD15:05Chicago O'Hare Intl

7 May

ORD19:20Chicago O'Hare Intl

32h 50m

2 stops

MAA14:40Chennai

₹ 99,515

Oman Air

7 Nov

MAA07:20Chennai

43h 15m

2 stops

ORD15:05Chicago O'Hare Intl

5 May

ORD19:20Chicago O'Hare Intl

32h 50m

2 stops

MAA14:40Chennai

₹ 99,610

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Fri 11/9

21:55-00:27

2 stops37h 02m

Lambert-St Louis

Fri 18/9

05:00-20:10

2 stops28h 40m

₹ 96,740

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Tue 6/10

05:35-05:59

2 stops34h 54m

Chicago O'Hare Intl

Sat 6/2

17:10-05:35

1 stop24h 55m

₹ 96,931

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Tue 15/9

21:55-16:48

2 stops29h 23m

Lambert-St Louis

Wed 10/2

07:29-19:50

2 stops24h 51m

₹ 97,122

Fastest return journey

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Mon 24/8

15:40-08:35

1 stop27h 25m

Chicago O'Hare Intl

Wed 18/11

13:10-19:50

1 stop19h 10m

₹ 97,314

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Mon 24/8

15:40-08:35

1 stop27h 25m

Chicago O'Hare Intl

Sat 3/10

21:10-02:50

1 stop19h 10m

₹ 97,314

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Thu 8/10

09:50-15:45

1 stop40h 25m

Chicago O'Hare Intl

Sun 11/10

20:35-20:30

1 stop37h 25m

₹ 97,697

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Thu 8/10

09:50-15:45

1 stop40h 25m

Chicago O'Hare Intl

Sun 11/10

20:35-20:30

1 stop37h 25m

₹ 97,792

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Fri 11/12

07:35-12:21

2 stops40h 16m

Chicago O'Hare Intl

Sun 10/1

21:50-05:35

1 stop20h 15m

₹ 98,079

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Sun 20/12

01:45-18:25

2 stops28h 10m

Chicago O'Hare Intl

Wed 13/1

16:20-00:05

1 stop20h 15m

₹ 99,515

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Tue 18/8

01:55-16:57

2 stops25h 32m

Chicago O'Hare Intl

Wed 21/10

14:15-00:10

2 stops23h 25m

₹ 205,058

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 Chennai 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

What is the cheapest month to fly to Illinois?

In general, April is the cheapest month to fly from Chennai to Illinois. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around ₹ 87,649. If you aren’t able to travel during the month of April, then book flights to Illinois from Chennai during October instead. Flights to Illinois in October, while not as cheap as those in April, still average around ₹ 88,224.

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

You are more likely to see cheaper flights to Illinois from Chennai when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around ₹ 98,032 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 Chennai for as low as ₹ 87,075 on momondo.

Can stopping save me money on Chennai to Illinois flights?

You could potentially save up to 60% on your flight if you consider stops on a Chennai to Illinois flight.

Cheap Chennai to Illinois flight deals and tips

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

Fastest flight time	21h 10m
Direct flights	None

The fastest flight from Chennai to Illinois takes 21h 10m

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

Search flight deals

Frequently asked questions about flying from Chennai to Illinois

When did momondo last update prices for flights from Chennai Airport to Illinois?
Prices for flights from Chennai Airport to Illinois are refreshed on a daily basis.
How many operators does momondo search for flights from Chennai Airport to Illinois?
As of July 2026, there are 4 operators available to choose from for flights from Chennai Airport to Illinois.
How old do you have to be to fly from Chennai Airport to Illinois?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chennai Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The required travel and health documents for your Illinois trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Chennai to Illinois

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

Airline	Rating	Free Cancellation	Price
Etihad Airways	PriceFrom ₹ 72,879	Free Cancellation	Rating 7.3 1,497 reviews	Search Etihad Airways flights
Lufthansa	PriceFrom ₹ 86,253	Free Cancellation	Rating 6.8 8,163 reviews	Search Lufthansa flights
British Airways	PriceFrom ₹ 91,991	Free Cancellation	Rating 6.7 8,127 reviews	Search British Airways flights
Emirates	PriceFrom ₹ 92,883	Free Cancellation	Rating 8.1 3,640 reviews	Search Emirates flights

Why use momondo?

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

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 Illinois from Chennai.

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

Yes. momondo enables you to select and highlight flights to Illinois from Chennai with this policy.

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

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 Illinois from Chennai.

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

Price alerts on flights to Illinois from Chennai 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.