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Cheap flights from Chennai to Illinois from ₹ 38,750

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chennai to Illinois departing on 27/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Chennai to Illinois

Cheap return flights

Enter your travel dates to find the best prices.
Etihad Airways Logo
10:00 - 08:35
MAA
-
ORD
33h 05m
1 stop
Etihad Airways Logo
14:00 - 02:25
ORD
-
MAA
25h 55m
1 stop
₹ 66,842Etihad Airways
Thu, 19 Mar - Sun, 5 Apr
Etihad Airways Logo
03:55 - 08:35
MAA
-
ORD
39h 10m
1 stop
Etihad Airways Logo
14:10 - 02:30
ORD
-
MAA
25h 50m
1 stop
₹ 67,203Etihad Airways
Wed, 18 Mar - Thu, 26 Mar
Etihad Airways Logo
10:00 - 08:35
MAA
-
ORD
33h 05m
1 stop
Etihad Airways Logo
14:00 - 02:25
ORD
-
MAA
25h 55m
1 stop
₹ 67,294Etihad Airways
Wed, 18 Mar - Sun, 5 Apr
Multiple Airlines Logo
10:00 - 07:35
MAA
-
ORD
33h 05m
1 stop
Multiple Airlines Logo
16:00 - 23:35
ORD
-
MAA
45h 05m
1 stop
₹ 68,468Multiple Airlines
Thu, 5 Mar - Tue, 1 Sep
Multiple Airlines Logo
16:35 - 08:35
MAA
-
ORD
26h 30m
1 stop
Multiple Airlines Logo
16:00 - 23:35
ORD
-
MAA
45h 05m
1 stop
₹ 68,558Multiple Airlines
Wed, 10 Jun - Wed, 12 Aug
British Airways Logo
05:35 - 16:33
MAA
-
STL
45h 28m
2 stops
British Airways Logo
14:45 - 03:30
STL
-
MAA
26h 15m
2 stops
₹ 100,805British Airways
Mon, 20 Jul - Sun, 20 Sep
British Airways Logo
05:35 - 23:42
MAA
-
STL
28h 37m
2 stops
British Airways Logo
09:46 - 03:30
STL
-
MAA
31h 14m
2 stops
₹ 113,089British Airways
Mon, 20 Jul - Sun, 20 Sep
Lufthansa Logo
01:55 - 13:25
MAA
-
STL
22h 00m
1 stop
Lufthansa Logo
15:50 - 00:05
STL
-
MAA
20h 45m
1 stop
₹ 116,070Lufthansa
Mon, 29 Jun - Fri, 8 Jan
Lufthansa Logo
01:55 - 13:25
MAA
-
STL
22h 00m
1 stop
Lufthansa Logo
15:50 - 00:05
STL
-
MAA
20h 45m
1 stop
₹ 120,767Lufthansa
Tue, 30 Jun - Wed, 6 Jan
Air Canada Logo
01:55 - 20:05
MAA
-
STL
52h 40m
2 stops
Air Canada Logo
16:15 - 00:05
STL
-
MAA
44h 20m
2 stops
₹ 126,909Air Canada
Sat, 27 Jun - Mon, 4 Jan

Etihad Airways flights from Chennai to Illinois

Our best Etihad Airways deals on Chennai to Illinois flight tickets
Etihad Airways
19 Mar
MAA10:00Chennai
33h 05m
1 stop
ORD08:35Chicago O'Hare Intl
5 Apr
ORD14:00Chicago O'Hare Intl
25h 55m
1 stop
MAA02:25Chennai
₹ 66,842
Etihad Airways
18 Mar
MAA03:55Chennai
39h 10m
1 stop
ORD08:35Chicago O'Hare Intl
26 Mar
ORD14:10Chicago O'Hare Intl
25h 50m
1 stop
MAA02:30Chennai
₹ 67,203
Etihad Airways
18 Mar
MAA10:00Chennai
33h 05m
1 stop
ORD08:35Chicago O'Hare Intl
5 Apr
ORD14:00Chicago O'Hare Intl
25h 55m
1 stop
MAA02:25Chennai
₹ 67,294

Air France flights from Chennai to Illinois

Our best Air France deals on Chennai to Illinois flight tickets
Air France
8 Feb
MAA20:30Chennai
30h 10m
2 stops
ORD15:10Chicago O'Hare Intl
31 Mar
ORD17:10Chicago O'Hare Intl
28h 40m
2 stops
MAA08:20Chennai
₹ 79,668
Air France
8 Feb
MAA20:30Chennai
30h 10m
2 stops
ORD15:10Chicago O'Hare Intl
29 Mar
ORD17:10Chicago O'Hare Intl
25h 30m
2 stops
MAA05:10Chennai
₹ 89,243

momondo Fare Finder

 
Customise your flight search to find flights from Chennai to Illinois that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 59,053 searches. Data last updated 4 February 2026.
Use the filters below to find and compare flights from Chennai to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Thu 19/3

10:00-08:35

1 stop33h 05m

Chicago O'Hare Intl

Sun 5/4

14:00-02:25

1 stop25h 55m

₹ 66,842

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Wed 18/3

03:55-08:35

1 stop39h 10m

Chicago O'Hare Intl

Thu 26/3

14:10-02:30

1 stop25h 50m

₹ 67,203

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Wed 18/3

10:00-08:35

1 stop33h 05m

Chicago O'Hare Intl

Sun 5/4

14:00-02:25

1 stop25h 55m

₹ 67,294

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Thu 5/3

10:00-07:35

1 stop33h 05m

Chicago O'Hare Intl

Tue 1/9

16:00-23:35

1 stop45h 05m

₹ 68,468

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Wed 10/6

16:35-08:35

1 stop26h 30m

Chicago O'Hare Intl

Wed 12/8

16:00-23:35

1 stop45h 05m

₹ 68,558

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Mon 20/7

05:35-16:33

2 stops45h 28m

Lambert-St Louis

Sun 20/9

14:45-03:30

2 stops26h 15m

₹ 100,805

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Mon 20/7

05:35-23:42

2 stops28h 37m

Lambert-St Louis

Sun 20/9

09:46-03:30

2 stops31h 14m

₹ 113,089

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Mon 29/6

01:55-13:25

1 stop22h 00m

Lambert-St Louis

Fri 8/1

15:50-00:05

1 stop20h 45m

₹ 116,070

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Tue 30/6

01:55-13:25

1 stop22h 00m

Lambert-St Louis

Wed 6/1

15:50-00:05

1 stop20h 45m

₹ 120,767

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Sat 27/6

01:55-20:05

2 stops52h 40m

Lambert-St Louis

Mon 4/1

16:15-00:05

2 stops44h 20m

₹ 126,909

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Illinois from

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

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 ₹ 79,578. If you aren’t able to travel during the month of October, then book flights to Illinois from Chennai during September instead. Flights to Illinois in September, while not as cheap as those in October, still average around ₹ 91,321.

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 ₹ 96,665 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 ₹ 72,804 on momondo.

Can stopping save me money on Chennai to Illinois flights?

You could potentially save up to 21% 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 15m

Direct flights

None
The fastest flight from Chennai to Illinois takes 21h 15m
There are no direct flights from Chennai to Illinois. There are no popular flight routes from Chennai to Illinois.
Search flight deals

  • 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?

  • 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 AirwaysPriceFrom ₹ 69,954Free CancellationRating
7.3
1,380 reviews
Search Etihad Airways flights
Air IndiaPriceFrom ₹ 72,541Free CancellationRating
5.5
2,974 reviews
Search Air India flights
Qatar AirwaysPriceFrom ₹ 81,535Free CancellationRating
7.4
3,729 reviews
Search Qatar Airways flights
LufthansaPriceFrom ₹ 81,548Free CancellationRating
6.8
7,758 reviews
Search Lufthansa flights
British AirwaysPriceFrom ₹ 87,773Free CancellationRating
6.7
7,712 reviews
Search British Airways flights
EmiratesPriceFrom ₹ 94,102Free CancellationRating
8.1
3,500 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.

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Find better results for your trip to Illinois

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