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

Qatar Airways, Etihad Airways, and Cathay Pacific are the most popular carriers operating from Chennai 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 Chennai according to our data. Etihad Airways is the first choice among our users, with 59% 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.

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 June 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.

₹ 55,712 Cheap Flights from Chennai to Illinois in 2026

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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.

09:50 - 15:45

MAA

ORD

40h 25m

1 stop

20:35 - 02:30

ORD

MAA

19h 25m

1 stop

₹ 92,565Emirates

Wed, 17 Jun - Wed, 14 Oct

04:05 - 15:45

MAA

ORD

22h 10m

1 stop

20:45 - 20:10

ORD

MAA

36h 55m

1 stop

₹ 92,661Emirates

Wed, 17 Jun - Mon, 26 Oct

18:00 - 12:35

MAA

ORD

29h 05m

2 stops

20:00 - 00:05

ORD

MAA

40h 35m

2 stops

₹ 92,853Multiple Airlines

Thu, 8 Oct - Fri, 12 Mar

04:05 - 15:45

MAA

ORD

22h 10m

1 stop

20:45 - 20:10

ORD

MAA

36h 55m

1 stop

₹ 93,044Emirates

Thu, 18 Jun - Sun, 25 Oct

21:55 - 08:35

MAA

ORD

21h 10m

1 stop

14:00 - 08:25

ORD

MAA

31h 55m

1 stop

₹ 93,523Etihad Airways

Mon, 15 Jun - Wed, 14 Oct

21:55 - 15:40

MAA

ORD

28h 15m

1 stop

21:10 - 08:25

ORD

MAA

24h 45m

1 stop

₹ 93,714Etihad Airways

Mon, 15 Jun - Thu, 24 Sep

04:05 - 15:45

MAA

ORD

22h 10m

1 stop

20:35 - 02:30

ORD

MAA

19h 25m

1 stop

₹ 93,906Emirates

Sun, 28 Jun - Sun, 4 Oct

03:55 - 19:21

MAA

STL

25h 56m

2 stops

15:33 - 02:40

STL

MAA

24h 37m

2 stops

₹ 123,580Qatar Airways

Tue, 16 Jun - Wed, 14 Oct

03:55 - 21:37

MAA

STL

28h 12m

2 stops

10:16 - 02:40

STL

MAA

29h 54m

2 stops

₹ 125,207Qatar Airways

Mon, 15 Jun - Tue, 11 Aug

04:20 - 09:40

MAA

MDW

39h 50m

2 stops

10:25 - 02:50

MDW

MAA

29h 55m

2 stops

₹ 194,608Multiple Airlines

Tue, 30 Jun - Tue, 7 Jul

Emirates flights from Chennai to Illinois

Our best Emirates deals on Chennai to Illinois flight tickets

Emirates

17 Jun

MAA09:50Chennai

40h 25m

1 stop

ORD15:45Chicago O'Hare Intl

14 Oct

ORD20:35Chicago O'Hare Intl

19h 25m

1 stop

MAA02:30Chennai

₹ 92,565

Emirates

17 Jun

MAA04:05Chennai

22h 10m

1 stop

ORD15:45Chicago O'Hare Intl

26 Oct

ORD20:45Chicago O'Hare Intl

36h 55m

1 stop

MAA20:10Chennai

₹ 92,661

Emirates

18 Jun

MAA04:05Chennai

22h 10m

1 stop

ORD15:45Chicago O'Hare Intl

25 Oct

ORD20:45Chicago O'Hare Intl

36h 55m

1 stop

MAA20:10Chennai

₹ 93,044

Etihad Airways flights from Chennai to Illinois

Our best Etihad Airways deals on Chennai to Illinois flight tickets

Etihad Airways

15 Jun

MAA21:55Chennai

21h 10m

1 stop

ORD08:35Chicago O'Hare Intl

14 Oct

ORD14:00Chicago O'Hare Intl

31h 55m

1 stop

MAA08:25Chennai

₹ 93,523

Etihad Airways

15 Jun

MAA21:55Chennai

28h 15m

1 stop

ORD15:40Chicago O'Hare Intl

24 Sept

ORD21:10Chicago O'Hare Intl

24h 45m

1 stop

MAA08:25Chennai

₹ 93,714

Etihad Airways

8 Jul

MAA10:15Chennai

32h 50m

1 stop

ORD08:35Chicago O'Hare Intl

7 Aug

ORD14:00Chicago O'Hare Intl

31h 55m

1 stop

MAA08:25Chennai

₹ 94,001

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Wed 17/6

09:50-15:45

1 stop40h 25m

Chicago O'Hare Intl

Wed 14/10

20:35-02:30

1 stop19h 25m

₹ 92,565

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Wed 17/6

04:05-15:45

1 stop22h 10m

Chicago O'Hare Intl

Mon 26/10

20:45-20:10

1 stop36h 55m

₹ 92,661

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Thu 8/10

18:00-12:35

2 stops29h 05m

Chicago O'Hare Intl

Fri 12/3

20:00-00:05

2 stops40h 35m

₹ 92,853

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Thu 18/6

04:05-15:45

1 stop22h 10m

Chicago O'Hare Intl

Sun 25/10

20:45-20:10

1 stop36h 55m

₹ 93,044

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Mon 15/6

21:55-08:35

1 stop21h 10m

Chicago O'Hare Intl

Wed 14/10

14:00-08:25

1 stop31h 55m

₹ 93,523

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Mon 15/6

21:55-15:40

1 stop28h 15m

Chicago O'Hare Intl

Thu 24/9

21:10-08:25

1 stop24h 45m

₹ 93,714

Fastest return journey

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Sun 28/6

04:05-15:45

1 stop22h 10m

Chicago O'Hare Intl

Sun 4/10

20:35-02:30

1 stop19h 25m

₹ 93,906

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Tue 16/6

03:55-19:21

2 stops25h 56m

Lambert-St Louis

Wed 14/10

15:33-02:40

2 stops24h 37m

₹ 123,580

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Mon 15/6

03:55-21:37

2 stops28h 12m

Lambert-St Louis

Tue 11/8

10:16-02:40

2 stops29h 54m

₹ 125,207

ChennaiChicago

MAA - MDW

MAAMDW

Chennai

Tue 30/6

04:20-09:40

2 stops39h 50m

Chicago Midway

Tue 7/7

10:25-02:50

2 stops29h 55m

₹ 194,608

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 ₹ 39,056. If you aren’t able to travel during the month of April, then book flights to Illinois from Chennai during September instead. Flights to Illinois in September, while not as cheap as those in April, still average around ₹ 53,989.

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 ₹ 96,371 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 ₹ 86,726 on momondo.

Can stopping save me money on Chennai to Illinois flights?

You could potentially save up to 12% 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 30m
Direct flights	None

The fastest flight from Chennai to Illinois takes 21h 30m

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 June 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 ₹ 72,908	Free Cancellation	Rating 7.3 1,444 reviews	Search Etihad Airways flights
Air India	PriceFrom ₹ 76,065	Free Cancellation	Rating 5.5 2,960 reviews	Search Air India flights
Qatar Airways	PriceFrom ₹ 84,964	Free Cancellation	Rating 7.4 3,730 reviews	Search Qatar Airways flights
British Airways	PriceFrom ₹ 92,027	Free Cancellation	Rating 6.7 8,025 reviews	Search British Airways flights
Emirates	PriceFrom ₹ 93,111	Free Cancellation	Rating 8.1 3,581 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.