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 67% of people opting to fly with this airline when travelling to Illinois. Keep in mind that there are 3 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?

Oman Air, Emirates, and Etihad Airways 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.

₹ 57,707 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.

08:15 - 16:10

MAA

ORD

42h 25m

2 stops

20:00 - 07:25

ORD

MAA

48h 55m

2 stops

₹ 91,479Oman Air

Sat, 26 Sep - Mon, 12 Oct

10:15 - 15:40

MAA

ORD

39h 55m

1 stop

14:00 - 08:25

ORD

MAA

31h 55m

1 stop

₹ 91,952Etihad Airways

Wed, 29 Jul - Fri, 28 Aug

10:15 - 15:40

MAA

ORD

39h 55m

1 stop

14:00 - 08:25

ORD

MAA

31h 55m

1 stop

₹ 92,047Etihad Airways

Wed, 29 Jul - Fri, 28 Aug

15:40 - 15:40

MAA

ORD

34h 30m

1 stop

20:20 - 02:30

ORD

MAA

18h 40m

1 stop

₹ 92,141Etihad Airways

Wed, 29 Jul - Thu, 28 Jan

16:05 - 15:40

MAA

ORD

34h 05m

1 stop

13:10 - 19:55

ORD

MAA

19h 15m

1 stop

₹ 93,087Etihad Airways

Sat, 19 Sep - Tue, 12 Jan

10:15 - 16:23

MAA

STL

40h 38m

2 stops

15:30 - 02:30

STL

MAA

23h 30m

2 stops

₹ 115,508Multiple Airlines

Wed, 12 Aug - Wed, 10 Feb

05:35 - 21:43

MAA

STL

26h 38m

2 stops

17:18 - 03:30

STL

MAA

47h 42m

2 stops

₹ 122,981British Airways

Thu, 24 Sep - Mon, 28 Sep

05:35 - 21:43

MAA

STL

26h 38m

2 stops

17:18 - 03:30

STL

MAA

47h 42m

2 stops

₹ 123,170British Airways

Thu, 24 Sep - Mon, 28 Sep

04:20 - 19:51

MAA

STL

26h 01m

2 stops

14:19 - 02:30

STL

MAA

24h 41m

2 stops

₹ 136,036Qatar Airways

Thu, 27 Aug - Thu, 11 Feb

04:20 - 22:40

MAA

STL

28h 50m

2 stops

14:54 - 02:30

STL

MAA

24h 06m

2 stops

₹ 139,253Qatar Airways

Thu, 27 Aug - Mon, 8 Feb

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Emirates flights from Chennai to Illinois

Our best Emirates deals on Chennai to Illinois flight tickets

Emirates

23 Sept

MAA04:05Chennai

22h 10m

1 stop

ORD15:45Chicago O'Hare Intl

8 Oct

ORD20:35Chicago O'Hare Intl

19h 25m

1 stop

MAA02:30Chennai

₹ 96,966

Emirates

13 Sept

MAA09:50Chennai

40h 25m

1 stop

ORD15:45Chicago O'Hare Intl

23 Sept

ORD20:35Chicago O'Hare Intl

19h 25m

1 stop

MAA02:30Chennai

₹ 97,344

Emirates

20 Sept

MAA04:05Chennai

22h 10m

1 stop

ORD15:45Chicago O'Hare Intl

10 Jan

ORD19:45Chicago O'Hare Intl

19h 00m

1 stop

MAA02:15Chennai

₹ 98,669

Etihad Airways flights from Chennai to Illinois

Our best Etihad Airways deals on Chennai to Illinois flight tickets

Etihad Airways

29 Jul

MAA10:15Chennai

39h 55m

1 stop

ORD15:40Chicago O'Hare Intl

28 Aug

ORD14:00Chicago O'Hare Intl

31h 55m

1 stop

MAA08:25Chennai

₹ 91,952

Etihad Airways

29 Jul

MAA10:15Chennai

39h 55m

1 stop

ORD15:40Chicago O'Hare Intl

28 Aug

ORD14:00Chicago O'Hare Intl

31h 55m

1 stop

MAA08:25Chennai

₹ 92,047

Etihad Airways

29 Jul

MAA15:40Chennai

34h 30m

1 stop

ORD15:40Chicago O'Hare Intl

28 Jan

ORD20:20Chicago O'Hare Intl

18h 40m

1 stop

MAA02:30Chennai

₹ 92,141

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Sat 26/9

08:15-16:10

2 stops42h 25m

Chicago O'Hare Intl

Mon 12/10

20:00-07:25

2 stops48h 55m

₹ 91,479

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Wed 29/7

10:15-15:40

1 stop39h 55m

Chicago O'Hare Intl

Fri 28/8

14:00-08:25

1 stop31h 55m

₹ 91,952

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Wed 29/7

10:15-15:40

1 stop39h 55m

Chicago O'Hare Intl

Fri 28/8

14:00-08:25

1 stop31h 55m

₹ 92,047

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Wed 29/7

15:40-15:40

1 stop34h 30m

Chicago O'Hare Intl

Thu 28/1

20:20-02:30

1 stop18h 40m

₹ 92,141

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Sat 19/9

16:05-15:40

1 stop34h 05m

Chicago O'Hare Intl

Tue 12/1

13:10-19:55

1 stop19h 15m

₹ 93,087

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Wed 12/8

10:15-16:23

2 stops40h 38m

Lambert-St Louis

Wed 10/2

15:30-02:30

2 stops23h 30m

₹ 115,508

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Thu 24/9

05:35-21:43

2 stops26h 38m

Lambert-St Louis

Mon 28/9

17:18-03:30

2 stops47h 42m

₹ 122,981

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Thu 24/9

05:35-21:43

2 stops26h 38m

Lambert-St Louis

Mon 28/9

17:18-03:30

2 stops47h 42m

₹ 123,170

Fastest return journey

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Thu 27/8

04:20-19:51

2 stops26h 01m

Lambert-St Louis

Thu 11/2

14:19-02:30

2 stops24h 41m

₹ 136,036

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Thu 27/8

04:20-22:40

2 stops28h 50m

Lambert-St Louis

Mon 8/2

14:54-02:30

2 stops24h 06m

₹ 139,253

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 ₹ 38,597. 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 ₹ 53,355.

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 ₹ 96,706 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 ₹ 86,087 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	25h 56m
Direct flights	None

The fastest flight from Chennai to Illinois takes 25h 56m

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 ₹ 72,052	Free Cancellation	Rating 7.3 1,471 reviews	Search Etihad Airways flights
British Airways	PriceFrom ₹ 90,947	Free Cancellation	Rating 6.7 8,087 reviews	Search British Airways flights
Emirates	PriceFrom ₹ 92,018	Free Cancellation	Rating 8.1 3,606 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.