Cheap flights from Illinois to Chennai from ₹ 28,398

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 18/8. 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

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Cheap return flights

Air India Logo
13:10 - 20:40ORD-MAA
21h 00m1 stop
Air India Logo
21:45 - 06:30MAA-ORD
20h 15m1 stop
₹ 58,199Air India
Find Deal
Mon, 20 Oct - Wed, 12 Nov
Air India Logo
13:10 - 20:40ORD-MAA
21h 00m1 stop
Air India Logo
20:40 - 11:10MAA-ORD
25h 00m2 stops
₹ 58,375Air India
Find Deal
Wed, 10 Sep - Wed, 22 Oct
American Airlines Logo
16:54 - 05:15ORD-MAA
25h 51m2 stops
American Airlines Logo
17:50 - 09:15MAA-ORD
25h 55m2 stops
₹ 64,160American Airlines
Find Deal
Mon, 8 Sep - Tue, 23 Sep
American Airlines Logo
16:54 - 05:15ORD-MAA
25h 51m2 stops
American Airlines Logo
15:45 - 09:15MAA-ORD
28h 00m2 stops
₹ 69,681American Airlines
Find Deal
Fri, 12 Sep - Sun, 28 Sep
Etihad Airways Logo
13:55 - 02:40ORD-MAA
26h 15m1 stop
Etihad Airways Logo
03:55 - 09:15MAA-ORD
39h 50m1 stop
₹ 69,857Etihad Airways
Find Deal
Thu, 2 Oct - Sat, 25 Oct
British Airways Logo
19:10 - 03:30ORD-MAA
21h 50m1 stop
British Airways Logo
05:35 - 18:15MAA-ORD
23h 10m1 stop
₹ 70,032British Airways
Find Deal
Thu, 2 Oct - Thu, 16 Oct
British Airways Logo
16:55 - 03:30ORD-MAA
24h 05m1 stop
British Airways Logo
07:35 - 18:45MAA-ORD
22h 40m1 stop
₹ 70,383British Airways
Find Deal
Mon, 29 Sep - Tue, 27 Jan
Etihad Airways Logo
13:55 - 20:10ORD-MAA
19h 45m1 stop
Etihad Airways Logo
22:00 - 08:45MAA-ORD
21h 15m1 stop
₹ 70,733Etihad Airways
Find Deal
Fri, 19 Sep - Fri, 17 Oct
Qatar Airways Logo
19:20 - 09:10ORD-MAA
27h 20m1 stop
Qatar Airways Logo
21:50 - 14:50MAA-ORD
27h 30m1 stop
₹ 72,311Qatar Airways
Find Deal
Thu, 18 Sep - Thu, 9 Oct
Qatar Airways Logo
07:23 - 02:50STL-MAA
32h 57m2 stops
Qatar Airways Logo
04:20 - 20:26MAA-STL
26h 36m2 stops
₹ 92,470Qatar Airways
Find Deal
Wed, 24 Sep - Wed, 15 Oct

Air India flights from Illinois to Chennai

Our best Air India deals on Illinois to Chennai flight tickets
Air India
20 Oct
ORD13:10Chicago O'Hare Intl
21h 00m
1 stop
MAA20:40Chennai
12 Nov
MAA21:45Chennai
20h 15m
1 stop
ORD06:30Chicago O'Hare Intl
₹ 58,199
Find similar
Air India
10 Sept
ORD13:10Chicago O'Hare Intl
21h 00m
1 stop
MAA20:40Chennai
22 Oct
MAA20:40Chennai
25h 00m
2 stops
ORD11:10Chicago O'Hare Intl
₹ 58,375
Find similar
Air India
17 Sept
ORD13:10Chicago O'Hare Intl
21h 00m
1 stop
MAA20:40Chennai
20 Oct
MAA20:40Chennai
25h 00m
2 stops
ORD11:10Chicago O'Hare Intl
₹ 59,164
Find similar

American Airlines flights from Illinois to Chennai

Our best American Airlines deals on Illinois to Chennai flight tickets
American Airlines
8 Sept
ORD16:54Chicago O'Hare Intl
25h 51m
2 stops
MAA05:15Chennai
23 Sept
MAA17:50Chennai
25h 55m
2 stops
ORD09:15Chicago O'Hare Intl
₹ 64,160
Find similar
American Airlines
12 Sept
ORD16:54Chicago O'Hare Intl
25h 51m
2 stops
MAA05:15Chennai
28 Sept
MAA15:45Chennai
28h 00m
2 stops
ORD09:15Chicago O'Hare Intl
₹ 69,681
Find similar
American Airlines
4 Sept
ORD16:54Chicago O'Hare Intl
25h 51m
2 stops
MAA05:15Chennai
16 Sept
MAA15:45Chennai
28h 00m
2 stops
ORD09:15Chicago O'Hare Intl
₹ 71,259
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 11 August 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

Mon 20/10

13:10-20:40

1 stop21h 00m

Chennai

Wed 12/11

21:45-06:30

1 stop20h 15m

₹ 58,199

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Wed 10/9

13:10-20:40

1 stop21h 00m

Chennai

Wed 22/10

20:40-11:10

2 stops25h 00m

₹ 58,375

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Mon 8/9

16:54-05:15

2 stops25h 51m

Chennai

Tue 23/9

17:50-09:15

2 stops25h 55m

₹ 64,160

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Fri 12/9

16:54-05:15

2 stops25h 51m

Chennai

Sun 28/9

15:45-09:15

2 stops28h 00m

₹ 69,681

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Thu 2/10

13:55-02:40

1 stop26h 15m

Chennai

Sat 25/10

03:55-09:15

1 stop39h 50m

₹ 69,857

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Thu 2/10

19:10-03:30

1 stop21h 50m

Chennai

Thu 16/10

05:35-18:15

1 stop23h 10m

₹ 70,032

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Mon 29/9

16:55-03:30

1 stop24h 05m

Chennai

Tue 27/1

07:35-18:45

1 stop22h 40m

₹ 70,383

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Fri 19/9

13:55-20:10

1 stop19h 45m

Chennai

Fri 17/10

22:00-08:45

1 stop21h 15m

₹ 70,733

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Thu 18/9

19:20-09:10

1 stop27h 20m

Chennai

Thu 9/10

21:50-14:50

1 stop27h 30m

₹ 72,311

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Wed 24/9

07:23-02:50

2 stops32h 57m

Chennai

Wed 15/10

04:20-20:26

2 stops26h 36m

₹ 92,470

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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 September is another great option to travel to Chennai, with average flight prices from Illinois averaging around ₹ 73,801.

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 ₹ 106,342. 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 ₹ 135,781. 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 ₹ 95,236. Try not to purchase tickets in the evening because they tend to be around ₹ 133,280. 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 ₹ 93,551 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 ₹ 80,988 on momondo.

Cheap Illinois to Chennai flight deals and tips

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

Best price found

₹ 28,398

Fastest flight time

19h 45m

Direct flights

None

Airports in Chennai

1 airport
The best one-way flight to Chennai from Illinois in the past 72 hours is ₹ 28,398. The best return flight deal from Illinois to Chennai found on momondo in the last 72 hours is ₹ 58,199.
The fastest flight from Illinois to Chennai takes 19h 45m
There are no direct flights from Illinois to Chennai. Popular non-direct route for this connection is Chicago O'Hare Intl Airport - Chennai Airport.
There is 1 airport near Chennai: Chennai (MAA)
  • 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
Air IndiaPriceFrom ₹ 65,253Free CancellationRating
5.5
2,930 reviews
Search Air India flights
Etihad AirwaysPriceFrom ₹ 67,590Free CancellationRating
7.4
1,232 reviews
Search Etihad Airways flights
EmiratesPriceFrom ₹ 78,975Free CancellationRating
8.1
3,315 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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1 adult
Sat 16/8
Sat 23/8

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