Which airlines fly to Illinois?

Etihad Airways, Air India 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 54% 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.

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

Qatar Airways, Etihad Airways, and Emirates 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 April 2026, there are 5 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.

₹ 48,489 Cheap Flights from Chennai to Illinois in 2026

1 adult

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Find the cheapest flights from Chennai to Illinois

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

10:15 - 08:35

MAA

ORD

32h 50m

1 stop

21:10 - 20:10

ORD

MAA

36h 30m

1 stop

₹ 76,859Etihad Airways

Wed, 3 Jun - Sat, 29 Aug

10:15 - 08:35

MAA

ORD

32h 50m

1 stop

14:00 - 08:25

ORD

MAA

31h 55m

1 stop

₹ 77,601Etihad Airways

Sat, 23 May - Mon, 8 Jun

04:05 - 08:35

MAA

ORD

39h 00m

1 stop

21:10 - 15:05

ORD

MAA

31h 25m

1 stop

₹ 78,250Etihad Airways

Tue, 9 Jun - Tue, 25 Aug

16:05 - 08:35

MAA

ORD

27h 00m

1 stop

21:10 - 20:10

ORD

MAA

36h 30m

1 stop

₹ 78,714Etihad Airways

Wed, 27 May - Mon, 6 Jul

10:15 - 08:35

MAA

ORD

32h 50m

1 stop

21:10 - 20:10

ORD

MAA

36h 30m

1 stop

₹ 79,270Etihad Airways

Sun, 24 May - Wed, 9 Sep

21:55 - 15:12

MAA

STL

27h 47m

2 stops

06:00 - 02:25

STL

MAA

33h 55m

2 stops

₹ 109,124Multiple Airlines

Thu, 7 May - Sat, 3 Oct

04:20 - 22:58

MAA

STL

29h 08m

2 stops

08:36 - 02:50

STL

MAA

31h 44m

2 stops

₹ 124,329Qatar Airways

Tue, 16 Jun - Tue, 11 Aug

04:20 - 22:53

MAA

STL

29h 03m

2 stops

12:43 - 02:50

STL

MAA

27h 37m

2 stops

₹ 124,885Qatar Airways

Fri, 3 Jul - Sat, 19 Sep

22:05 - 21:26

MAA

STL

33h 51m

2 stops

11:25 - 02:30

STL

MAA

28h 35m

2 stops

₹ 128,871Emirates

Mon, 6 Jul - Tue, 15 Sep

01:55 - 18:33

MAA

MDW

27h 08m

3 stops

09:22 - 00:10

MDW

MAA

28h 18m

3 stops

₹ 345,913Multiple Airlines

Wed, 6 May - Thu, 14 May

Etihad Airways flights from Chennai to Illinois

Our best Etihad Airways deals on Chennai to Illinois flight tickets

Etihad Airways

3 Jun

MAA10:15Chennai

32h 50m

1 stop

ORD08:35Chicago O'Hare Intl

29 Aug

ORD21:10Chicago O'Hare Intl

36h 30m

1 stop

MAA20:10Chennai

₹ 76,859

Etihad Airways

23 May

MAA10:15Chennai

32h 50m

1 stop

ORD08:35Chicago O'Hare Intl

8 Jun

ORD14:00Chicago O'Hare Intl

31h 55m

1 stop

MAA08:25Chennai

₹ 77,601

Etihad Airways

9 Jun

MAA04:05Chennai

39h 00m

1 stop

ORD08:35Chicago O'Hare Intl

25 Aug

ORD21:10Chicago O'Hare Intl

31h 25m

1 stop

MAA15:05Chennai

₹ 78,250

Qatar Airways flights from Chennai to Illinois

Our best Qatar Airways deals on Chennai to Illinois flight tickets

Qatar Airways

28 Apr

MAA04:25Chennai

41h 03m

2 stops

ORD10:58Chicago O'Hare Intl

15 Sept

ORD19:20Chicago O'Hare Intl

21h 00m

1 stop

MAA02:50Chennai

₹ 110,514

Qatar Airways

28 Apr

MAA04:25Chennai

41h 03m

2 stops

ORD10:58Chicago O'Hare Intl

24 Sept

ORD19:20Chicago O'Hare Intl

20h 50m

1 stop

MAA02:40Chennai

₹ 110,978

Qatar Airways

29 Apr

MAA04:25Chennai

47h 09m

2 stops

ORD17:04Chicago O'Hare Intl

25 Aug

ORD19:20Chicago O'Hare Intl

20h 50m

1 stop

MAA02:40Chennai

₹ 111,163

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Wed 3/6

10:15-08:35

1 stop32h 50m

Chicago O'Hare Intl

Sat 29/8

21:10-20:10

1 stop36h 30m

₹ 76,859

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Sat 23/5

10:15-08:35

1 stop32h 50m

Chicago O'Hare Intl

Mon 8/6

14:00-08:25

1 stop31h 55m

₹ 77,601

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Tue 9/6

04:05-08:35

1 stop39h 00m

Chicago O'Hare Intl

Tue 25/8

21:10-15:05

1 stop31h 25m

₹ 78,250

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Wed 27/5

16:05-08:35

1 stop27h 00m

Chicago O'Hare Intl

Mon 6/7

21:10-20:10

1 stop36h 30m

₹ 78,714

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Sun 24/5

10:15-08:35

1 stop32h 50m

Chicago O'Hare Intl

Wed 9/9

21:10-20:10

1 stop36h 30m

₹ 79,270

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Thu 7/5

21:55-15:12

2 stops27h 47m

Lambert-St Louis

Sat 3/10

06:00-02:25

2 stops33h 55m

₹ 109,124

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Tue 16/6

04:20-22:58

2 stops29h 08m

Lambert-St Louis

Tue 11/8

08:36-02:50

2 stops31h 44m

₹ 124,329

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Fri 3/7

04:20-22:53

2 stops29h 03m

Lambert-St Louis

Sat 19/9

12:43-02:50

2 stops27h 37m

₹ 124,885

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Mon 6/7

22:05-21:26

2 stops33h 51m

Lambert-St Louis

Tue 15/9

11:25-02:30

2 stops28h 35m

₹ 128,871

Fastest return journey

ChennaiChicago

MAA - MDW

MAAMDW

Chennai

Wed 6/5

01:55-18:33

3 stops27h 08m

Chicago Midway

Thu 14/5

09:22-00:10

3 stops28h 18m

₹ 345,913

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, October 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 ₹ 81,680. If you aren’t able to travel during the month of October, then book flights to Illinois from Chennai during March instead. Flights to Illinois in March, while not as cheap as those in October, still average around ₹ 84,925.

How far in advance should I book a flight 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 ₹ 95,356 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 ₹ 83,998 on momondo.

Can stopping save me money on Chennai to Illinois flights?

You could potentially save up to 16% 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	22h 05m
Direct flights	None

The fastest flight from Chennai to Illinois takes 22h 05m

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 April 2026, there are 5 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 ₹ 70,614	Free Cancellation	Rating 7.3 1,431 reviews	Search Etihad Airways flights
Air India	PriceFrom ₹ 74,457	Free Cancellation	Rating 5.5 2,969 reviews	Search Air India flights
Qatar Airways	PriceFrom ₹ 82,291	Free Cancellation	Rating 7.4 3,730 reviews	Search Qatar Airways flights
British Airways	PriceFrom ₹ 89,425	Free Cancellation	Rating 6.7 7,891 reviews	Search British Airways flights
Emirates	PriceFrom ₹ 89,996	Free Cancellation	Rating 8.1 3,561 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.