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Cheap flights from Illinois to Chennai from ₹ 44,108

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 6/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Illinois to Chennai

Cheap return flights

Enter your travel dates to find the best prices.
Etihad Airways Logo
14:00 - 20:10
ORD
-
MAA
19h 40m
1 stop
Etihad Airways Logo
21:55 - 15:40
MAA
-
ORD
28h 15m
1 stop
₹ 85,193Etihad Airways
Tue, 15 Sep - Mon, 28 Sep
Etihad Airways Logo
21:10 - 02:25
ORD
-
MAA
18h 45m
1 stop
Etihad Airways Logo
16:05 - 08:35
MAA
-
ORD
27h 00m
1 stop
₹ 85,288Etihad Airways
Mon, 3 Aug - Wed, 26 Aug
Etihad Airways Logo
14:00 - 15:05
ORD
-
MAA
38h 35m
1 stop
Etihad Airways Logo
21:40 - 08:55
MAA
-
ORD
21h 45m
1 stop
₹ 85,382Etihad Airways
Wed, 7 Oct - Mon, 26 Oct
Etihad Airways Logo
21:10 - 02:25
ORD
-
MAA
18h 45m
1 stop
Etihad Airways Logo
16:05 - 08:35
MAA
-
ORD
27h 00m
1 stop
₹ 85,949Etihad Airways
Thu, 27 Aug - Mon, 7 Sep
Etihad Airways Logo
21:10 - 20:10
ORD
-
MAA
36h 30m
1 stop
Etihad Airways Logo
04:05 - 15:40
MAA
-
ORD
22h 05m
1 stop
₹ 86,421Etihad Airways
Fri, 28 Aug - Tue, 8 Sep
Emirates Logo
20:35 - 20:30
ORD
-
MAA
37h 25m
1 stop
Emirates Logo
21:45 - 14:55
MAA
-
ORD
28h 40m
1 stop
₹ 86,704Emirates
Tue, 20 Oct - Thu, 12 Nov
Multiple Airlines Logo
09:24 - 20:10
STL
-
MAA
24h 16m
2 stops
Multiple Airlines Logo
21:55 - 23:59
MAA
-
STL
36h 34m
2 stops
₹ 96,527Multiple Airlines
Tue, 7 Jul - Mon, 24 Aug
Qatar Airways Logo
11:35 - 02:50
STL
-
MAA
28h 45m
2 stops
Qatar Airways Logo
04:20 - 23:12
MAA
-
STL
29h 22m
2 stops
₹ 97,849Qatar Airways
Thu, 3 Sep - Wed, 16 Sep
Qatar Airways Logo
11:35 - 02:50
STL
-
MAA
28h 45m
2 stops
Qatar Airways Logo
04:05 - 19:30
MAA
-
STL
26h 55m
2 stops
₹ 99,455Qatar Airways
Tue, 1 Sep - Mon, 9 Nov
Multiple Airlines Logo
09:39 - 02:50
STL
-
MAA
30h 41m
2 stops
Multiple Airlines Logo
04:05 - 19:21
MAA
-
STL
25h 46m
2 stops
₹ 103,705Multiple Airlines
Wed, 27 May - Thu, 9 Jul

Etihad Airways flights from Illinois to Chennai

Our best Etihad Airways deals on Illinois to Chennai flight tickets
Etihad Airways
15 Sept
ORD14:00Chicago O'Hare Intl
19h 40m
1 stop
MAA20:10Chennai
28 Sept
MAA21:55Chennai
28h 15m
1 stop
ORD15:40Chicago O'Hare Intl
₹ 85,193
Etihad Airways
3 Aug
ORD21:10Chicago O'Hare Intl
18h 45m
1 stop
MAA02:25Chennai
26 Aug
MAA16:05Chennai
27h 00m
1 stop
ORD08:35Chicago O'Hare Intl
₹ 85,288
Etihad Airways
7 Oct
ORD14:00Chicago O'Hare Intl
38h 35m
1 stop
MAA15:05Chennai
26 Oct
MAA21:40Chennai
21h 45m
1 stop
ORD08:55Chicago O'Hare Intl
₹ 85,382

Emirates flights from Illinois to Chennai

Our best Emirates deals on Illinois to Chennai flight tickets
Emirates
20 Oct
ORD20:35Chicago O'Hare Intl
37h 25m
1 stop
MAA20:30Chennai
12 Nov
MAA21:45Chennai
28h 40m
1 stop
ORD14:55Chicago O'Hare Intl
₹ 86,704
Emirates
28 Oct
ORD20:45Chicago O'Hare Intl
36h 55m
1 stop
MAA20:10Chennai
25 Nov
MAA21:45Chennai
28h 40m
1 stop
ORD14:55Chicago O'Hare Intl
₹ 89,349
Emirates
12 Oct
ORD20:35Chicago O'Hare Intl
19h 25m
1 stop
MAA02:30Chennai
1 Dec
MAA03:50Chennai
22h 35m
1 stop
ORD14:55Chicago O'Hare Intl
₹ 91,710

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 9 May 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

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Tue 15/9

14:00-20:10

1 stop19h 40m

Chennai

Mon 28/9

21:55-15:40

1 stop28h 15m

₹ 85,193
Fastest return journey

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Mon 3/8

21:10-02:25

1 stop18h 45m

Chennai

Wed 26/8

16:05-08:35

1 stop27h 00m

₹ 85,288

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Wed 7/10

14:00-15:05

1 stop38h 35m

Chennai

Mon 26/10

21:40-08:55

1 stop21h 45m

₹ 85,382

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Thu 27/8

21:10-02:25

1 stop18h 45m

Chennai

Mon 7/9

16:05-08:35

1 stop27h 00m

₹ 85,949

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Fri 28/8

21:10-20:10

1 stop36h 30m

Chennai

Tue 8/9

04:05-15:40

1 stop22h 05m

₹ 86,421

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Tue 20/10

20:35-20:30

1 stop37h 25m

Chennai

Thu 12/11

21:45-14:55

1 stop28h 40m

₹ 86,704

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Tue 7/7

09:24-20:10

2 stops24h 16m

Chennai

Mon 24/8

21:55-23:59

2 stops36h 34m

₹ 96,527

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Thu 3/9

11:35-02:50

2 stops28h 45m

Chennai

Wed 16/9

04:20-23:12

2 stops29h 22m

₹ 97,849

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Tue 1/9

11:35-02:50

2 stops28h 45m

Chennai

Mon 9/11

04:05-19:30

2 stops26h 55m

₹ 99,455

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Wed 27/5

09:39-02:50

2 stops30h 41m

Chennai

Thu 9/7

04:05-19:21

2 stops25h 46m

₹ 103,705

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 March is another great option to travel to Chennai, with average flight prices from Illinois averaging around ₹ 57,708.

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 ₹ 98,865 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 ₹ 87,554 on momondo.

Can stopping save me money on Illinois to Chennai flights?

You could potentially save up to 23% 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 25m

Direct flights

None
The fastest flight from Illinois to Chennai takes 19h 25m
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
Air IndiaPriceFrom ₹ 70,315Free CancellationRating
5.5
2,957 reviews
Search Air India flights
Etihad AirwaysPriceFrom ₹ 77,125Free CancellationRating
7.3
1,434 reviews
Search Etihad Airways flights
British AirwaysPriceFrom ₹ 83,645Free CancellationRating
6.7
7,959 reviews
Search British Airways 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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