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Cheap flights from Illinois to Chennai from ₹ 40,178

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Chennai departing on 20/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Illinois to Chennai

Cheap return flights

Enter your travel dates to find the best prices.
Cathay Pacific Logo
14:35 - 00:35ORD  Chicago O'Hare Intl-MAA Chennai
22h 30m1 stop Hong Kong Intl
Cathay Pacific Logo
02:00 - 12:55MAA  Chennai-ORD Chicago O'Hare Intl
22h 25m1 stop Hong Kong Intl
₹ 89,020Cathay Pacific
Thu, 5 Nov - Fri, 20 Nov
Cathay Pacific Logo
14:35 - 00:35ORD  Chicago O'Hare Intl-MAA Chennai
22h 30m1 stop Hong Kong Intl
Cathay Pacific Logo
02:00 - 12:55MAA  Chennai-ORD Chicago O'Hare Intl
22h 25m1 stop Hong Kong Intl
₹ 89,020Cathay Pacific
Thu, 12 Nov - Thu, 26 Nov
Cathay Pacific Logo
16:15 - 23:35ORD  Chicago O'Hare Intl-MAA Chennai
44h 50m1 stop Hong Kong Intl
Cathay Pacific Logo
00:50 - 13:55MAA  Chennai-ORD Chicago O'Hare Intl
23h 35m1 stop Hong Kong Intl
₹ 89,020Cathay Pacific
Tue, 22 Sep - Thu, 15 Oct
Cathay Pacific Logo
16:15 - 23:35ORD  Chicago O'Hare Intl-MAA Chennai
44h 50m1 stop Hong Kong Intl
Cathay Pacific Logo
00:50 - 13:55MAA  Chennai-ORD Chicago O'Hare Intl
23h 35m1 stop Hong Kong Intl
₹ 89,020Cathay Pacific
Thu, 24 Sep - Thu, 15 Oct
British Airways Logo
17:00 - 03:30ORD  Chicago O'Hare Intl-MAA Chennai
24h 00m1 stop London Heathrow
British Airways Logo
05:35 - 18:15MAA  Chennai-ORD Chicago O'Hare Intl
23h 10m1 stop London Heathrow
₹ 89,782British Airways
Sat, 19 Sep - Thu, 15 Oct
British Airways Logo
21:50 - 05:35ORD  Chicago O'Hare Intl-MAA Chennai
20h 15m1 stop London Heathrow
British Airways Logo
07:35 - 13:45MAA  Chennai-ORD Chicago O'Hare Intl
41h 40m1 stop London Heathrow
₹ 89,782British Airways
Sun, 24 Jan - Thu, 18 Feb
British Airways Logo
17:10 - 05:35ORD  Chicago O'Hare Intl-MAA Chennai
24h 55m1 stop London Heathrow
British Airways Logo
07:35 - 13:45MAA  Chennai-ORD Chicago O'Hare Intl
41h 40m1 stop London Heathrow
₹ 89,782British Airways
Sun, 24 Jan - Wed, 17 Feb
Etihad Airways Logo
20:25 - 02:50ORD  Chicago O'Hare Intl-MAA Chennai
19h 55m1 stop Abu Dhabi Zayed Intl
Etihad Airways Logo
15:40 - 08:35MAA  Chennai-ORD Chicago O'Hare Intl
27h 25m1 stop Abu Dhabi Zayed Intl
₹ 92,638Etihad Airways
Wed, 19 Aug - Wed, 2 Sep
Etihad Airways Logo
20:25 - 20:10ORD  Chicago O'Hare Intl-MAA Chennai
37h 15m1 stop Abu Dhabi Zayed Intl
Etihad Airways Logo
15:40 - 08:35MAA  Chennai-ORD Chicago O'Hare Intl
27h 25m1 stop Abu Dhabi Zayed Intl
₹ 92,638Etihad Airways
Thu, 3 Sep - Thu, 10 Sep
Etihad Airways Logo
20:25 - 02:50ORD  Chicago O'Hare Intl-MAA Chennai
19h 55m1 stop Abu Dhabi Zayed Intl
Etihad Airways Logo
15:40 - 08:35MAA  Chennai-ORD Chicago O'Hare Intl
27h 25m1 stop Abu Dhabi Zayed Intl
₹ 92,638Etihad Airways
Tue, 25 Aug - Wed, 2 Sep

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Cathay Pacific flights from Illinois to Chennai

Our best Cathay Pacific deals on Illinois to Chennai flight tickets
Cathay Pacific
19 Sept
ORD16:15Chicago O'Hare Intl
44h 50m
1 stop
MAA23:35Chennai
19 Oct
MAA00:50Chennai
23h 35m
1 stop
ORD13:55Chicago O'Hare Intl
₹ 89,020
Cathay Pacific
15 Sept
ORD16:00Chicago O'Hare Intl
45h 05m
1 stop
MAA23:35Chennai
15 Oct
MAA00:50Chennai
23h 35m
1 stop
ORD13:55Chicago O'Hare Intl
₹ 90,163
Cathay Pacific
20 Sept
ORD16:15Chicago O'Hare Intl
44h 50m
1 stop
MAA23:35Chennai
14 Oct
MAA00:50Chennai
23h 35m
1 stop
ORD13:55Chicago O'Hare Intl
₹ 90,448

Emirates flights from Illinois to Chennai

Our best Emirates deals on Illinois to Chennai flight tickets
Emirates
6 Sept
ORD20:35Chicago O'Hare Intl
37h 25m
1 stop
MAA20:30Chennai
21 Sept
MAA22:05Chennai
28h 10m
1 stop
ORD15:45Chicago O'Hare Intl
₹ 89,211
Emirates
1 Sept
ORD20:35Chicago O'Hare Intl
25h 00m
1 stop
MAA08:05Chennai
14 Sept
MAA09:50Chennai
40h 25m
1 stop
ORD15:45Chicago O'Hare Intl
₹ 89,306
Emirates
4 Jan
ORD19:45Chicago O'Hare Intl
19h 00m
1 stop
MAA02:15Chennai
31 Jan
MAA03:50Chennai
22h 35m
1 stop
ORD14:55Chicago O'Hare Intl
₹ 89,401

momondo Fare Finder

 
Customise your flight search to find flights from Illinois to Chennai 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 7 August 2026.
Use the filters below to find and compare flights from Illinois to Chennai that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

ChicagoChennai

ORD Chicago O'Hare Intl - MAA Chennai

ORDMAA

Chicago O'Hare Intl

Thu 5/11

14:35-00:35

1 stop22h 30m

Chennai

Fri 20/11

02:00-12:55

1 stop22h 25m

₹ 89,020

ChicagoChennai

ORD Chicago O'Hare Intl - MAA Chennai

ORDMAA

Chicago O'Hare Intl

Thu 12/11

14:35-00:35

1 stop22h 30m

Chennai

Thu 26/11

02:00-12:55

1 stop22h 25m

₹ 89,020

ChicagoChennai

ORD Chicago O'Hare Intl - MAA Chennai

ORDMAA

Chicago O'Hare Intl

Tue 22/9

16:15-23:35

1 stop44h 50m

Chennai

Thu 15/10

00:50-13:55

1 stop23h 35m

₹ 89,020

ChicagoChennai

ORD Chicago O'Hare Intl - MAA Chennai

ORDMAA

Chicago O'Hare Intl

Thu 24/9

16:15-23:35

1 stop44h 50m

Chennai

Thu 15/10

00:50-13:55

1 stop23h 35m

₹ 89,020

ChicagoChennai

ORD Chicago O'Hare Intl - MAA Chennai

ORDMAA

Chicago O'Hare Intl

Sat 19/9

17:00-03:30

1 stop24h 00m

Chennai

Thu 15/10

05:35-18:15

1 stop23h 10m

₹ 89,782

ChicagoChennai

ORD Chicago O'Hare Intl - MAA Chennai

ORDMAA

Chicago O'Hare Intl

Sun 24/1

21:50-05:35

1 stop20h 15m

Chennai

Thu 18/2

07:35-13:45

1 stop41h 40m

₹ 89,782

ChicagoChennai

ORD Chicago O'Hare Intl - MAA Chennai

ORDMAA

Chicago O'Hare Intl

Sun 24/1

17:10-05:35

1 stop24h 55m

Chennai

Wed 17/2

07:35-13:45

1 stop41h 40m

₹ 89,782

ChicagoChennai

ORD Chicago O'Hare Intl - MAA Chennai

ORDMAA

Chicago O'Hare Intl

Wed 19/8

20:25-02:50

1 stop19h 55m

Chennai

Wed 2/9

15:40-08:35

1 stop27h 25m

₹ 92,638

ChicagoChennai

ORD Chicago O'Hare Intl - MAA Chennai

ORDMAA

Chicago O'Hare Intl

Thu 3/9

20:25-20:10

1 stop37h 15m

Chennai

Thu 10/9

15:40-08:35

1 stop27h 25m

₹ 92,638

ChicagoChennai

ORD Chicago O'Hare Intl - MAA Chennai

ORDMAA

Chicago O'Hare Intl

Tue 25/8

20:25-02:50

1 stop19h 55m

Chennai

Wed 2/9

15:40-08:35

1 stop27h 25m

₹ 92,638

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 Chennai from

How to get the cheapest flight ticket from Illinois to Chennai

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 Chennai?

The month of January is another great option to travel to Chennai, with average flight prices from Illinois averaging around ₹ 82,736.

How far in advance should I book a flight from Illinois to Chennai?

You are more likely to see cheaper flights to Chennai from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Chennai for around ₹ 102,397 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chennai from Illinois for as low as ₹ 87,211 on momondo.

Can stopping save me money on Illinois to Chennai flights?

You could potentially save up to 14% on your flight if you consider stops on a Illinois to Chennai flight.

Cheap Illinois to Chennai flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Chennai

Fastest flight time

19h 00m

Direct flights

None
The fastest flight from Illinois to Chennai takes 19h 00m
There are no direct flights from Illinois to Chennai. There are no popular flight routes from Illinois to Chennai.
Search flight deals

Frequently asked questions about flying from Illinois to Chennai

  • When did momondo last update prices for flights from Illinois to Chennai Airport?

    Prices for flights from Illinois to Chennai Airport are updated daily.

  • How many operators does momondo search for flights from Illinois to Chennai Airport?

  • How old do you have to be to fly from Illinois to Chennai Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to Chennai Airport.

  • What documentation or ID do you need to fly to Chennai Airport?

    The travel and health documents required for your trip to Chennai Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Chennai Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Illinois to Chennai

Compare and see reviews for airlines that fly from Illinois to Chennai with momondo
Airline
Rating
Free Cancellation
Price
Etihad AirwaysPriceFrom ₹ 77,746Free CancellationRating
7.3
1,500 reviews
Search Etihad Airways flights
British AirwaysPriceFrom ₹ 84,318Free CancellationRating
6.7
8,153 reviews
Search British Airways flights
Air IndiaPriceFrom ₹ 109,824Free CancellationRating
5.5
2,952 reviews
Search Air India flights

Travelling to a place near Chennai?

Book flights to Chennai if you plan to visit one of these locations
Mahabalipuram
Vellore

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Chennai?

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 Chennai from Illinois.

Can I find flights from Illinois to Chennai with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Illinois to Chennai flights to just show those with flexible booking policies.

How can momondo help me find flights from Illinois to Chennai?

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 Chennai from Illinois.

I’m not ready to book a flight from Illinois to Chennai right now. Can momondo alert me if prices change?

Price alerts on flights to Chennai from Illinois 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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