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Cheap flights from Illinois to Chennai from ₹ 29,453

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 20/10. 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 Illinois to Chennai

Cheap return flights

Cathay Pacific Logo
14:35 - 00:35ORD-MAA
22h 30m1 stop
Cathay Pacific Logo
02:00 - 12:55MAA-ORD
22h 25m1 stop
₹ 67,068Cathay Pacific
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Fri, 9 Jan - Sun, 8 Feb
British Airways Logo
21:15 - 03:30ORD-MAA
19h 45m1 stop
British Airways Logo
07:35 - 18:45MAA-ORD
22h 40m1 stop
₹ 67,512British Airways
Find Deal
Tue, 21 Oct - Thu, 13 Nov
Qatar Airways Logo
19:40 - 09:10ORD-MAA
27h 00m1 stop
Qatar Airways Logo
21:50 - 14:30MAA-ORD
28h 10m1 stop
₹ 68,044Qatar Airways
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Wed, 22 Oct - Wed, 12 Nov
Etihad Airways Logo
13:55 - 02:40ORD-MAA
26h 15m1 stop
Etihad Airways Logo
04:25 - 08:45MAA-ORD
38h 50m1 stop
₹ 68,488Etihad Airways
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Wed, 8 Oct - Fri, 17 Oct
Etihad Airways Logo
13:10 - 08:10ORD-MAA
31h 30m1 stop
Etihad Airways Logo
16:35 - 07:35MAA-ORD
26h 30m1 stop
₹ 68,843Etihad Airways
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Sat, 8 Nov - Sat, 15 Nov
Qatar Airways Logo
18:50 - 09:10ORD-MAA
26h 50m1 stop
Qatar Airways Logo
04:05 - 14:30MAA-ORD
21h 55m1 stop
₹ 69,020Qatar Airways
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Sun, 2 Nov - Thu, 11 Dec
Multiple Airlines Logo
18:50 - 08:55ORD-MAA
50h 35m2 stops
Multiple Airlines Logo
01:50 - 13:10MAA-ORD
22h 50m1 stop
₹ 69,286Multiple Airlines
Find Deal
Mon, 3 Nov - Sun, 23 Nov
Multiple Airlines Logo
19:50 - 08:55ORD-MAA
50h 35m2 stops
Multiple Airlines Logo
01:50 - 13:10MAA-ORD
22h 50m1 stop
₹ 69,553Multiple Airlines
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Tue, 28 Oct - Sun, 9 Nov
Lufthansa Logo
20:01 - 00:05ORD-MAA
41h 34m2 stops
Lufthansa Logo
01:50 - 13:10MAA-ORD
22h 50m1 stop
₹ 71,682Lufthansa
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Fri, 24 Oct - Fri, 14 Nov
Lufthansa Logo
18:35 - 00:05ORD-MAA
42h 00m2 stops
Lufthansa Logo
01:50 - 16:20MAA-ORD
25h 00m1 stop
₹ 72,480Lufthansa
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Tue, 18 Nov - Tue, 17 Mar

Qatar Airways flights from Illinois to Chennai

Our best Qatar Airways deals on Illinois to Chennai flight tickets
Qatar Airways
22 Oct
ORD19:40Chicago O'Hare Intl
27h 00m
1 stop
MAA09:10Chennai
12 Nov
MAA21:50Chennai
28h 10m
1 stop
ORD14:30Chicago O'Hare Intl
₹ 68,044
Find similar
Qatar Airways
2 Nov
ORD18:50Chicago O'Hare Intl
26h 50m
1 stop
MAA09:10Chennai
11 Dec
MAA04:05Chennai
21h 55m
1 stop
ORD14:30Chicago O'Hare Intl
₹ 69,020
Find similar
Qatar Airways
25 Oct
ORD19:40Chicago O'Hare Intl
27h 00m
1 stop
MAA09:10Chennai
10 Nov
MAA04:05Chennai
21h 55m
1 stop
ORD14:30Chicago O'Hare Intl
₹ 70,262
Find similar

Etihad Airways flights from Illinois to Chennai

Our best Etihad Airways deals on Illinois to Chennai flight tickets
Etihad Airways
8 Oct
ORD13:55Chicago O'Hare Intl
26h 15m
1 stop
MAA02:40Chennai
17 Oct
MAA04:25Chennai
38h 50m
1 stop
ORD08:45Chicago O'Hare Intl
₹ 68,488
Find similar
Etihad Airways
1 Oct
ORD13:55Chicago O'Hare Intl
26h 15m
1 stop
MAA02:40Chennai
9 Oct
MAA22:00Chennai
21h 15m
1 stop
ORD08:45Chicago O'Hare Intl
₹ 68,754
Find similar
Etihad Airways
8 Nov
ORD13:10Chicago O'Hare Intl
31h 30m
1 stop
MAA08:10Chennai
15 Nov
MAA16:35Chennai
26h 30m
1 stop
ORD07:35Chicago O'Hare Intl
₹ 68,843
Find similar

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 26 September 2025.
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

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Fri 9/1

14:35-00:35

1 stop22h 30m

Chennai

Sun 8/2

02:00-12:55

1 stop22h 25m

₹ 67,068

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Tue 21/10

21:15-03:30

1 stop19h 45m

Chennai

Thu 13/11

07:35-18:45

1 stop22h 40m

₹ 67,512

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Wed 22/10

19:40-09:10

1 stop27h 00m

Chennai

Wed 12/11

21:50-14:30

1 stop28h 10m

₹ 68,044

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Wed 8/10

13:55-02:40

1 stop26h 15m

Chennai

Fri 17/10

04:25-08:45

1 stop38h 50m

₹ 68,488

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Sat 8/11

13:10-08:10

1 stop31h 30m

Chennai

Sat 15/11

16:35-07:35

1 stop26h 30m

₹ 68,843

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Sun 2/11

18:50-09:10

1 stop26h 50m

Chennai

Thu 11/12

04:05-14:30

1 stop21h 55m

₹ 69,020

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Mon 3/11

18:50-08:55

2 stops50h 35m

Chennai

Sun 23/11

01:50-13:10

1 stop22h 50m

₹ 69,286

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Tue 28/10

19:50-08:55

2 stops50h 35m

Chennai

Sun 9/11

01:50-13:10

1 stop22h 50m

₹ 69,553

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Fri 24/10

20:01-00:05

2 stops41h 34m

Chennai

Fri 14/11

01:50-13:10

1 stop22h 50m

₹ 71,682

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Tue 18/11

18:35-00:05

2 stops42h 00m

Chennai

Tue 17/3

01:50-16:20

1 stop25h 00m

₹ 72,480

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 October is another great option to travel to Chennai, with average flight prices from Illinois averaging around ₹ 75,763.

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

On average, the least expensive day to fly to Chennai from Illinois is on a Thursday. momondo users have found tickets for Thursday departures for as low as ₹ 107,634. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Illinois to Chennai on a Sunday will generally be more expensive and average around ₹ 137,431. 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 Chennai?

Our data shows that the cheapest Illinois to Chennai flights are usually those with departure times in the morning. Our users have found flights to Chennai in the morning for as low as ₹ 96,393. Try not to purchase tickets in the evening because they tend to be around ₹ 134,900. Of course, these prices can vary depending on the time of year and what airport you fly to.

How far in advance should I book a flight 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 ₹ 94,577 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 ₹ 84,102 on momondo.

Can stopping save me money on Illinois to Chennai flights?

You could potentially save up to 13% 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

Direct flights

None
There are no direct flights from Illinois to Chennai. There are no popular flight routes from Illinois to Chennai.
Search flight deals

  • 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.

  • What is the most popular plane model from Illinois to Chennai?

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
LufthansaPriceFrom ₹ 39,850Free CancellationRating
6.8
7,428 reviews
Search Lufthansa flights
Air IndiaPriceFrom ₹ 66,046Free CancellationRating
5.5
2,934 reviews
Search Air India flights
Etihad AirwaysPriceFrom ₹ 68,111Free CancellationRating
7.4
1,262 reviews
Search Etihad Airways flights
British AirwaysPriceFrom ₹ 76,063Free CancellationRating
6.7
7,399 reviews
Search British Airways flights
EmiratesPriceFrom ₹ 86,902Free CancellationRating
8.1
3,348 reviews
Search Emirates 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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