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

Turkish Airlines, SWISS, and Lufthansa 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 66% 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.

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 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.

₹ 56,160 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.

04:05 - 08:35

MAA

ORD

39h 00m

1 stop

14:00 - 15:05

ORD

MAA

38h 35m

1 stop

₹ 88,589Etihad Airways

Sat, 27 Jun - Sat, 15 Aug

04:05 - 08:35

MAA

ORD

39h 00m

1 stop

14:00 - 15:05

ORD

MAA

38h 35m

1 stop

₹ 89,062Etihad Airways

Sat, 27 Jun - Sat, 15 Aug

08:15 - 16:10

MAA

ORD

42h 25m

2 stops

20:00 - 14:20

ORD

MAA

31h 50m

2 stops

₹ 90,102Oman Air

Thu, 1 Oct - Fri, 23 Oct

20:15 - 15:10

MAA

ORD

29h 25m

2 stops

17:20 - 08:25

ORD

MAA

27h 35m

2 stops

₹ 90,953Air France

Fri, 23 Oct - Mon, 11 Jan

20:15 - 15:10

MAA

ORD

29h 25m

2 stops

17:20 - 08:25

ORD

MAA

27h 35m

2 stops

₹ 91,047Air France

Fri, 23 Oct - Mon, 11 Jan

10:15 - 15:40

MAA

ORD

39h 55m

1 stop

13:10 - 15:10

ORD

MAA

38h 30m

1 stop

₹ 91,520Etihad Airways

Sat, 3 Oct - Thu, 14 Jan

05:35 - 23:41

MAA

STL

28h 36m

2 stops

09:35 - 05:35

STL

MAA

57h 30m

2 stops

₹ 106,648British Airways

Fri, 23 Oct - Tue, 27 Oct

05:35 - 23:41

MAA

STL

28h 36m

2 stops

09:35 - 05:35

STL

MAA

57h 30m

2 stops

₹ 118,938British Airways

Fri, 23 Oct - Tue, 27 Oct

21:05 - 23:29

MAA

STL

36h 54m

3 stops

13:13 - 08:55

STL

MAA

33h 12m

3 stops

₹ 162,619Lufthansa

Wed, 29 Jul - Wed, 5 Aug

01:55 - 15:46

MAA

STL

24h 21m

2 stops

13:13 - 08:55

STL

MAA

33h 12m

3 stops

₹ 183,040Lufthansa

Tue, 28 Jul - Wed, 5 Aug

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

27 Jun

MAA04:05Chennai

39h 00m

1 stop

ORD08:35Chicago O'Hare Intl

15 Aug

ORD14:00Chicago O'Hare Intl

38h 35m

1 stop

MAA15:05Chennai

₹ 88,589

Etihad Airways

27 Jun

MAA04:05Chennai

39h 00m

1 stop

ORD08:35Chicago O'Hare Intl

15 Aug

ORD14:00Chicago O'Hare Intl

38h 35m

1 stop

MAA15:05Chennai

₹ 89,062

Etihad Airways

27 Jun

MAA04:05Chennai

39h 00m

1 stop

ORD08:35Chicago O'Hare Intl

15 Aug

ORD14:00Chicago O'Hare Intl

38h 35m

1 stop

MAA15:05Chennai

₹ 89,157

British Airways flights from Chennai to Illinois

Our best British Airways deals on Chennai to Illinois flight tickets

British Airways

23 Oct

MAA05:35Chennai

28h 36m

2 stops

STL23:41Lambert-St Louis

27 Oct

STL09:35Lambert-St Louis

57h 30m

2 stops

MAA05:35Chennai

₹ 106,648

British Airways

27 Jun

MAA05:00Chennai

44h 30m

2 stops

ORD15:00Chicago O'Hare Intl

2 Aug

ORD21:15Chicago O'Hare Intl

19h 45m

1 stop

MAA03:30Chennai

₹ 112,793

British Airways

23 Oct

MAA05:35Chennai

28h 36m

2 stops

STL23:41Lambert-St Louis

27 Oct

STL09:35Lambert-St Louis

57h 30m

2 stops

MAA05:35Chennai

₹ 118,938

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Sat 27/6

04:05-08:35

1 stop39h 00m

Chicago O'Hare Intl

Sat 15/8

14:00-15:05

1 stop38h 35m

₹ 88,589

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Sat 27/6

04:05-08:35

1 stop39h 00m

Chicago O'Hare Intl

Sat 15/8

14:00-15:05

1 stop38h 35m

₹ 89,062

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Thu 1/10

08:15-16:10

2 stops42h 25m

Chicago O'Hare Intl

Fri 23/10

20:00-14:20

2 stops31h 50m

₹ 90,102

Fastest return journey

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Fri 23/10

20:15-15:10

2 stops29h 25m

Chicago O'Hare Intl

Mon 11/1

17:20-08:25

2 stops27h 35m

₹ 90,953

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Fri 23/10

20:15-15:10

2 stops29h 25m

Chicago O'Hare Intl

Mon 11/1

17:20-08:25

2 stops27h 35m

₹ 91,047

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Sat 3/10

10:15-15:40

1 stop39h 55m

Chicago O'Hare Intl

Thu 14/1

13:10-15:10

1 stop38h 30m

₹ 91,520

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Fri 23/10

05:35-23:41

2 stops28h 36m

Lambert-St Louis

Tue 27/10

09:35-05:35

2 stops57h 30m

₹ 106,648

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Fri 23/10

05:35-23:41

2 stops28h 36m

Lambert-St Louis

Tue 27/10

09:35-05:35

2 stops57h 30m

₹ 118,938

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Wed 29/7

21:05-23:29

3 stops36h 54m

Lambert-St Louis

Wed 5/8

13:13-08:55

3 stops33h 12m

₹ 162,619

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Tue 28/7

01:55-15:46

2 stops24h 21m

Lambert-St Louis

Wed 5/8

13:13-08:55

3 stops33h 12m

₹ 183,040

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 ₹ 38,575. 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 ₹ 53,324.

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 ₹ 95,499 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 ₹ 86,037 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 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 ₹ 72,010	Free Cancellation	Rating 7.3 1,454 reviews	Search Etihad Airways flights
British Airways	PriceFrom ₹ 90,893	Free Cancellation	Rating 6.7 8,054 reviews	Search British Airways flights
Emirates	PriceFrom ₹ 91,965	Free Cancellation	Rating 8.1 3,590 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.