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Cheap flights from Chennai to Illinois from ₹ 32,267

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 15/11. 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.
Air India Logo
11:00 - 11:30MAA-ORD
36h 00m2 stops
Air India Logo
13:30 - 22:40ORD-MAA
21h 40m1 stop
₹ 65,952Air India
Find Deal
Tue, 25 Nov - Mon, 16 Feb
Air India Logo
11:00 - 11:30MAA-ORD
36h 00m2 stops
Air India Logo
13:30 - 00:30ORD-MAA
23h 30m1 stop
₹ 66,484Air India
Find Deal
Tue, 25 Nov - Sun, 15 Feb
Multiple Airlines Logo
11:00 - 11:30MAA-ORD
36h 00m2 stops
Multiple Airlines Logo
14:35 - 00:35ORD-MAA
22h 30m1 stop
₹ 67,459Multiple Airlines
Find Deal
Tue, 25 Nov - Tue, 17 Feb
Multiple Airlines Logo
21:40 - 11:30MAA-ORD
25h 20m2 stops
Multiple Airlines Logo
14:35 - 00:35ORD-MAA
22h 30m1 stop
₹ 69,941Multiple Airlines
Find Deal
Sun, 16 Nov - Thu, 19 Feb
Air France Logo
22:30 - 15:10MAA-ORD
28h 10m2 stops
Air France Logo
17:20 - 06:30ORD-MAA
25h 40m2 stops
₹ 70,384Air France
Find Deal
Tue, 18 Nov - Fri, 16 Jan
Air France Logo
22:30 - 15:10MAA-ORD
28h 10m2 stops
Air France Logo
17:20 - 06:30ORD-MAA
25h 40m2 stops
₹ 70,473Air France
Find Deal
Tue, 18 Nov - Fri, 16 Jan
Etihad Airways Logo
21:40 - 07:35MAA-ORD
21h 25m1 stop
Etihad Airways Logo
13:10 - 19:55ORD-MAA
19h 15m1 stop
₹ 73,221Etihad Airways
Find Deal
Mon, 24 Nov - Sat, 14 Feb
Etihad Airways Logo
03:55 - 07:35MAA-ORD
39h 10m1 stop
Etihad Airways Logo
14:00 - 08:30ORD-MAA
32h 00m1 stop
₹ 74,728Etihad Airways
Find Deal
Sat, 22 Nov - Wed, 13 May
British Airways Logo
07:35 - 13:50MAA-ORD
41h 45m1 stop
British Airways Logo
18:30 - 05:35ORD-MAA
23h 35m1 stop
₹ 79,072British Airways
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Tue, 23 Dec - Tue, 30 Dec
British Airways Logo
07:35 - 13:50MAA-ORD
41h 45m1 stop
British Airways Logo
16:46 - 05:35ORD-MAA
25h 19m2 stops
₹ 79,160British Airways
Find Deal
Tue, 23 Dec - Mon, 5 Jan

Air France flights from Chennai to Illinois

Our best Air France deals on Chennai to Illinois flight tickets
Air France
18 Nov
MAA22:30Chennai
28h 10m
2 stops
ORD15:10Chicago O'Hare Intl
16 Jan
ORD17:20Chicago O'Hare Intl
25h 40m
2 stops
MAA06:30Chennai
₹ 70,384
Find similar
Air France
18 Nov
MAA22:30Chennai
28h 10m
2 stops
ORD15:10Chicago O'Hare Intl
16 Jan
ORD17:20Chicago O'Hare Intl
25h 40m
2 stops
MAA06:30Chennai
₹ 70,473
Find similar

Etihad Airways flights from Chennai to Illinois

Our best Etihad Airways deals on Chennai to Illinois flight tickets
Etihad Airways
11 Nov
MAA03:55Chennai
39h 10m
1 stop
ORD07:35Chicago O'Hare Intl
12 May
ORD14:00Chicago O'Hare Intl
38h 05m
1 stop
MAA14:35Chennai
₹ 72,866
Find similar
Etihad Airways
24 Nov
MAA21:40Chennai
21h 25m
1 stop
ORD07:35Chicago O'Hare Intl
14 Feb
ORD13:10Chicago O'Hare Intl
19h 15m
1 stop
MAA19:55Chennai
₹ 73,221
Find similar
Etihad Airways
22 Nov
MAA03:55Chennai
39h 10m
1 stop
ORD07:35Chicago O'Hare Intl
13 May
ORD14:00Chicago O'Hare Intl
32h 00m
1 stop
MAA08:30Chennai
₹ 74,728
Find similar

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 6 November 2025.
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

Tue 25/11

11:00-11:30

2 stops36h 00m

Chicago O'Hare Intl

Mon 16/2

13:30-22:40

1 stop21h 40m

₹ 65,952

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Tue 25/11

11:00-11:30

2 stops36h 00m

Chicago O'Hare Intl

Sun 15/2

13:30-00:30

1 stop23h 30m

₹ 66,484

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Tue 25/11

11:00-11:30

2 stops36h 00m

Chicago O'Hare Intl

Tue 17/2

14:35-00:35

1 stop22h 30m

₹ 67,459

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Sun 16/11

21:40-11:30

2 stops25h 20m

Chicago O'Hare Intl

Thu 19/2

14:35-00:35

1 stop22h 30m

₹ 69,941

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Tue 18/11

22:30-15:10

2 stops28h 10m

Chicago O'Hare Intl

Fri 16/1

17:20-06:30

2 stops25h 40m

₹ 70,384

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Tue 18/11

22:30-15:10

2 stops28h 10m

Chicago O'Hare Intl

Fri 16/1

17:20-06:30

2 stops25h 40m

₹ 70,473

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Mon 24/11

21:40-07:35

1 stop21h 25m

Chicago O'Hare Intl

Sat 14/2

13:10-19:55

1 stop19h 15m

₹ 73,221

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Sat 22/11

03:55-07:35

1 stop39h 10m

Chicago O'Hare Intl

Wed 13/5

14:00-08:30

1 stop32h 00m

₹ 74,728

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Tue 23/12

07:35-13:50

1 stop41h 45m

Chicago O'Hare Intl

Tue 30/12

18:30-05:35

1 stop23h 35m

₹ 79,072

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Tue 23/12

07:35-13:50

1 stop41h 45m

Chicago O'Hare Intl

Mon 5/1

16:46-05:35

2 stops25h 19m

₹ 79,160

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 ₹ 78,628. If you aren’t able to travel during the month of October, then book flights to Illinois from Chennai during November instead. Flights to Illinois in November, while not as cheap as those in October, still average around ₹ 86,429.

What is the cheapest day to depart on your flight to Illinois?

On average, the least expensive day to fly to Illinois from Chennai is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as ₹ 98,385. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Chennai to Illinois on a Thursday will generally be more expensive and average around ₹ 115,110. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Illinois?

According to our data, the cheapest time of day to fly to Illinois is in the afternoon. momondo users have found flights departing from Chennai to Illinois in the afternoon for as low as ₹ 104,412. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Illinois is in the morning when prices are around ₹ 110,128.

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 ₹ 100,213 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 ₹ 80,844 on momondo.

Can stopping save me money on Chennai to Illinois flights?

You could potentially save up to 27% 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

Direct flights

None
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
Air IndiaPriceFrom ₹ 71,190Free CancellationRating
5.5
2,941 reviews
Search Air India flights
Etihad AirwaysPriceFrom ₹ 74,029Free CancellationRating
7.4
1,285 reviews
Search Etihad Airways flights
LufthansaPriceFrom ₹ 79,906Free CancellationRating
6.8
7,555 reviews
Search Lufthansa flights
Qatar AirwaysPriceFrom ₹ 80,527Free CancellationRating
7.4
3,661 reviews
Search Qatar Airways flights
British AirwaysPriceFrom ₹ 80,859Free CancellationRating
6.7
7,496 reviews
Search British Airways flights
EmiratesPriceFrom ₹ 92,350Free CancellationRating
8.1
3,402 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.

An easier way to manage your Illinois trip

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Find better results for your trip to Illinois

Popular Cities in Illinois

Popular flights according to clicks in the last 7 days on momondo
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