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Cheap flights from Chennai to Illinois from ₹ 33,519

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 16/11. 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.
Multiple Airlines Logo
03:55 - 07:35MAA-ORD
39h 10m1 stop
Multiple Airlines Logo
19:05 - 15:40ORD-MAA
33h 05m2 stops
₹ 69,319Multiple Airlines
Find Deal
Thu, 6 Nov - Sat, 28 Feb
Air France Logo
22:30 - 15:10MAA-ORD
28h 10m2 stops
Air France Logo
17:20 - 06:30ORD-MAA
25h 40m2 stops
₹ 69,846Air France
Find Deal
Tue, 23 Dec - Wed, 31 Dec
Multiple Airlines Logo
20:30 - 15:10MAA-ORD
30h 10m2 stops
Multiple Airlines Logo
16:25 - 06:35ORD-MAA
26h 40m2 stops
₹ 69,933Multiple Airlines
Find Deal
Tue, 18 Nov - Fri, 16 Jan
Air India Logo
21:40 - 11:30MAA-ORD
25h 20m2 stops
Air India Logo
07:00 - 22:50ORD-MAA
52h 20m2 stops
₹ 71,425Air India
Find Deal
Sat, 8 Nov - Sat, 28 Feb
Etihad Airways Logo
10:00 - 07:35MAA-ORD
33h 05m1 stop
Etihad Airways Logo
13:10 - 08:10ORD-MAA
31h 30m1 stop
₹ 71,601Etihad Airways
Find Deal
Sat, 8 Nov - Sat, 28 Feb
Etihad Airways Logo
03:55 - 07:35MAA-ORD
39h 10m1 stop
Etihad Airways Logo
13:10 - 08:10ORD-MAA
31h 30m1 stop
₹ 72,127Etihad Airways
Find Deal
Mon, 17 Nov - Fri, 16 Jan
Air India Logo
21:40 - 11:30MAA-ORD
25h 20m2 stops
Air India Logo
14:05 - 15:40ORD-MAA
38h 05m2 stops
₹ 74,584Air India
Find Deal
Tue, 18 Nov - Fri, 16 Jan
British Airways Logo
07:35 - 18:45MAA-ORD
22h 40m1 stop
British Airways Logo
09:40 - 03:30ORD-MAA
31h 20m2 stops
₹ 78,708British Airways
Find Deal
Mon, 15 Dec - Sun, 26 Apr
British Airways Logo
07:35 - 19:15MAA-ORD
47h 10m2 stops
British Airways Logo
21:15 - 03:30ORD-MAA
19h 45m1 stop
₹ 79,147British Airways
Find Deal
Thu, 12 Feb - Tue, 11 Aug
Qatar Airways Logo
04:05 - 23:57MAA-STL
31h 22m2 stops
Qatar Airways Logo
14:54 - 02:30STL-MAA
24h 06m2 stops
₹ 166,980Qatar Airways
Find Deal
Fri, 5 Dec - Sat, 13 Dec

Air Canada flights from Chennai to Illinois

Our best Air Canada deals on Chennai to Illinois flight tickets
Air Canada
11 Feb
MAA01:50Chennai
29h 40m
2 stops
ORD20:00Chicago O'Hare Intl
11 Aug
ORD07:00Chicago O'Hare Intl
30h 40m
2 stops
MAA00:10Chennai
₹ 79,498
Find similar
Air Canada
12 Feb
MAA01:50Chennai
48h 50m
2 stops
ORD15:10Chicago O'Hare Intl
9 Aug
ORD13:10Chicago O'Hare Intl
24h 30m
2 stops
MAA00:10Chennai
₹ 80,024
Find similar
Air Canada
22 Nov
MAA01:50Chennai
24h 35m
2 stops
ORD14:55Chicago O'Hare Intl
13 May
ORD10:40Chicago O'Hare Intl
27h 00m
2 stops
MAA00:10Chennai
₹ 80,112
Find similar

British Airways flights from Chennai to Illinois

Our best British Airways deals on Chennai to Illinois flight tickets
British Airways
15 Dec
MAA07:35Chennai
22h 40m
1 stop
ORD18:45Chicago O'Hare Intl
26 Apr
ORD09:40Chicago O'Hare Intl
31h 20m
2 stops
MAA03:30Chennai
₹ 78,708
Find similar
British Airways
12 Feb
MAA07:35Chennai
47h 10m
2 stops
ORD19:15Chicago O'Hare Intl
11 Aug
ORD21:15Chicago O'Hare Intl
19h 45m
1 stop
MAA03:30Chennai
₹ 79,147
Find similar
British Airways
14 Dec
MAA07:35Chennai
41h 55m
2 stops
ORD14:00Chicago O'Hare Intl
25 Apr
ORD17:40Chicago O'Hare Intl
23h 20m
1 stop
MAA03:30Chennai
₹ 80,814
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 23 October 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

Thu 6/11

03:55-07:35

1 stop39h 10m

Chicago O'Hare Intl

Sat 28/2

19:05-15:40

2 stops33h 05m

₹ 69,319

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Tue 23/12

22:30-15:10

2 stops28h 10m

Chicago O'Hare Intl

Wed 31/12

17:20-06:30

2 stops25h 40m

₹ 69,846

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Tue 18/11

20:30-15:10

2 stops30h 10m

Chicago O'Hare Intl

Fri 16/1

16:25-06:35

2 stops26h 40m

₹ 69,933

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Sat 8/11

21:40-11:30

2 stops25h 20m

Chicago O'Hare Intl

Sat 28/2

07:00-22:50

2 stops52h 20m

₹ 71,425

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Sat 8/11

10:00-07:35

1 stop33h 05m

Chicago O'Hare Intl

Sat 28/2

13:10-08:10

1 stop31h 30m

₹ 71,601

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Mon 17/11

03:55-07:35

1 stop39h 10m

Chicago O'Hare Intl

Fri 16/1

13:10-08:10

1 stop31h 30m

₹ 72,127

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Tue 18/11

21:40-11:30

2 stops25h 20m

Chicago O'Hare Intl

Fri 16/1

14:05-15:40

2 stops38h 05m

₹ 74,584

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Mon 15/12

07:35-18:45

1 stop22h 40m

Chicago O'Hare Intl

Sun 26/4

09:40-03:30

2 stops31h 20m

₹ 78,708

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Thu 12/2

07:35-19:15

2 stops47h 10m

Chicago O'Hare Intl

Tue 11/8

21:15-03:30

1 stop19h 45m

₹ 79,147

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Fri 5/12

04:05-23:57

2 stops31h 22m

Lambert-St Louis

Sat 13/12

14:54-02:30

2 stops24h 06m

₹ 166,980

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 ₹ 77,831. 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 ₹ 86,868.

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 ₹ 97,386. 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 ₹ 113,942. 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 ₹ 103,352. 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 ₹ 109,010.

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 ₹ 99,175 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 ₹ 80,024 on momondo.

Can stopping save me money on Chennai to Illinois flights?

You could potentially save up to 26% 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 ₹ 70,468Free CancellationRating
5.5
2,941 reviews
Search Air India flights
Etihad AirwaysPriceFrom ₹ 73,278Free CancellationRating
7.4
1,282 reviews
Search Etihad Airways flights
LufthansaPriceFrom ₹ 79,095Free CancellationRating
6.8
7,518 reviews
Search Lufthansa flights
Qatar AirwaysPriceFrom ₹ 79,710Free CancellationRating
7.4
3,657 reviews
Search Qatar Airways flights
British AirwaysPriceFrom ₹ 80,038Free CancellationRating
6.7
7,468 reviews
Search British Airways flights
EmiratesPriceFrom ₹ 91,413Free CancellationRating
8.1
3,383 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

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