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Cheap flights from Chennai to Illinois from ₹ 38,345

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 14/3. 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.
Etihad Airways Logo
10:00 - 08:35
MAA
-
ORD
33h 05m
1 stop
Etihad Airways Logo
14:00 - 20:10
ORD
-
MAA
19h 40m
1 stop
₹ 68,551Etihad Airways
Mon, 23 Mar - Mon, 30 Mar
Etihad Airways Logo
10:00 - 08:35
MAA
-
ORD
33h 05m
1 stop
Etihad Airways Logo
14:10 - 02:30
ORD
-
MAA
25h 50m
1 stop
₹ 68,642Etihad Airways
Fri, 20 Mar - Mon, 23 Mar
Multiple Airlines Logo
10:00 - 07:35
MAA
-
ORD
33h 05m
1 stop
Multiple Airlines Logo
16:00 - 23:35
ORD
-
MAA
45h 05m
1 stop
₹ 68,732Multiple Airlines
Wed, 25 Feb - Tue, 18 Aug
Multiple Airlines Logo
10:15 - 13:22
MAA
-
STL
37h 37m
2 stops
Multiple Airlines Logo
09:47 - 02:25
STL
-
MAA
30h 08m
2 stops
₹ 89,442Multiple Airlines
Tue, 21 Apr - Tue, 13 Oct
British Airways Logo
05:35 - 23:46
MAA
-
STL
28h 41m
2 stops
British Airways Logo
16:51 - 03:30
STL
-
MAA
24h 09m
2 stops
₹ 90,889British Airways
Thu, 23 Apr - Mon, 19 Oct
British Airways Logo
05:35 - 23:42
MAA
-
STL
52h 37m
2 stops
British Airways Logo
12:47 - 03:30
STL
-
MAA
28h 13m
2 stops
₹ 105,902British Airways
Mon, 20 Jul - Sun, 20 Sep
Lufthansa Logo
01:55 - 13:25
MAA
-
STL
22h 00m
1 stop
Lufthansa Logo
15:30 - 00:10
STL
-
MAA
22h 10m
1 stop
₹ 114,403Lufthansa
Tue, 21 Apr - Mon, 12 Oct
Lufthansa Logo
01:55 - 21:08
MAA
-
STL
29h 43m
2 stops
Lufthansa Logo
08:25 - 00:10
STL
-
MAA
29h 15m
2 stops
₹ 114,946Lufthansa
Tue, 21 Apr - Wed, 14 Oct
Air Canada Logo
01:55 - 15:24
MAA
-
STL
23h 59m
2 stops
Air Canada Logo
12:10 - 00:10
STL
-
MAA
25h 30m
2 stops
₹ 115,669Air Canada
Thu, 23 Apr - Wed, 14 Oct
Air Canada Logo
01:55 - 15:24
MAA
-
STL
23h 59m
2 stops
Air Canada Logo
14:40 - 00:10
STL
-
MAA
47h 00m
2 stops
₹ 116,121Air Canada
Tue, 21 Apr - Sat, 17 Oct

Etihad Airways flights from Chennai to Illinois

Our best Etihad Airways deals on Chennai to Illinois flight tickets
Etihad Airways
23 Mar
MAA10:00Chennai
33h 05m
1 stop
ORD08:35Chicago O'Hare Intl
30 Mar
ORD14:00Chicago O'Hare Intl
19h 40m
1 stop
MAA20:10Chennai
₹ 68,551
Etihad Airways
20 Mar
MAA10:00Chennai
33h 05m
1 stop
ORD08:35Chicago O'Hare Intl
23 Mar
ORD14:10Chicago O'Hare Intl
25h 50m
1 stop
MAA02:30Chennai
₹ 68,642
Etihad Airways
13 Mar
MAA15:25Chennai
27h 40m
1 stop
ORD08:35Chicago O'Hare Intl
27 Apr
ORD14:00Chicago O'Hare Intl
19h 40m
1 stop
MAA20:10Chennai
₹ 68,823

Emirates flights from Chennai to Illinois

Our best Emirates deals on Chennai to Illinois flight tickets
Emirates
22 Feb
MAA21:45Chennai
28h 40m
1 stop
ORD14:55Chicago O'Hare Intl
17 Aug
ORD20:35Chicago O'Hare Intl
25h 00m
1 stop
MAA08:05Chennai
₹ 96,768
Emirates
20 Apr
MAA09:50Chennai
45h 48m
2 stops
STL21:08Lambert-St Louis
19 Oct
STL17:18Lambert-St Louis
28h 17m
2 stops
MAA08:05Chennai
₹ 122,723
Emirates
26 Apr
MAA04:05Chennai
27h 33m
2 stops
STL21:08Lambert-St Louis
20 Oct
STL17:18Lambert-St Louis
40h 42m
2 stops
MAA20:30Chennai
₹ 123,537

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 9 February 2026.
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

Mon 23/3

10:00-08:35

1 stop33h 05m

Chicago O'Hare Intl

Mon 30/3

14:00-20:10

1 stop19h 40m

₹ 68,551

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Fri 20/3

10:00-08:35

1 stop33h 05m

Chicago O'Hare Intl

Mon 23/3

14:10-02:30

1 stop25h 50m

₹ 68,642

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Wed 25/2

10:00-07:35

1 stop33h 05m

Chicago O'Hare Intl

Tue 18/8

16:00-23:35

1 stop45h 05m

₹ 68,732

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Tue 21/4

10:15-13:22

2 stops37h 37m

Lambert-St Louis

Tue 13/10

09:47-02:25

2 stops30h 08m

₹ 89,442

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Thu 23/4

05:35-23:46

2 stops28h 41m

Lambert-St Louis

Mon 19/10

16:51-03:30

2 stops24h 09m

₹ 90,889

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Mon 20/7

05:35-23:42

2 stops52h 37m

Lambert-St Louis

Sun 20/9

12:47-03:30

2 stops28h 13m

₹ 105,902

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Tue 21/4

01:55-13:25

1 stop22h 00m

Lambert-St Louis

Mon 12/10

15:30-00:10

1 stop22h 10m

₹ 114,403

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Tue 21/4

01:55-21:08

2 stops29h 43m

Lambert-St Louis

Wed 14/10

08:25-00:10

2 stops29h 15m

₹ 114,946

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Thu 23/4

01:55-15:24

2 stops23h 59m

Lambert-St Louis

Wed 14/10

12:10-00:10

2 stops25h 30m

₹ 115,669

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Tue 21/4

01:55-15:24

2 stops23h 59m

Lambert-St Louis

Sat 17/10

14:40-00:10

2 stops47h 00m

₹ 116,121

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 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 ₹ 79,675. If you aren’t able to travel during the month of October, then book flights to Illinois from Chennai during February instead. Flights to Illinois in February, while not as cheap as those in October, still average around ₹ 81,574.

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 ₹ 96,293 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 ₹ 85,011 on momondo.

Can stopping save me money on Chennai to Illinois flights?

You could potentially save up to 21% 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

Fastest flight time

22h 00m

Direct flights

None
The fastest flight from Chennai to Illinois takes 22h 00m
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
Etihad AirwaysPriceFrom ₹ 70,039Free CancellationRating
7.3
1,389 reviews
Search Etihad Airways flights
Air IndiaPriceFrom ₹ 72,629Free CancellationRating
5.5
2,966 reviews
Search Air India flights
Qatar AirwaysPriceFrom ₹ 81,634Free CancellationRating
7.4
3,730 reviews
Search Qatar Airways flights
LufthansaPriceFrom ₹ 81,648Free CancellationRating
6.8
7,775 reviews
Search Lufthansa flights
British AirwaysPriceFrom ₹ 87,880Free CancellationRating
6.7
7,723 reviews
Search British Airways flights
EmiratesPriceFrom ₹ 89,058Free CancellationRating
8.1
3,514 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.

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