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Cheap flights from Chennai to Illinois from $419

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 3/2. 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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0 bags

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Find the cheapest flights from Chennai to Illinois

Cheap round-trip flights

Enter your travel dates to find the best prices.
Etihad Airways Logo
4:10 pm - 7:35 am
MAA
-
ORD
26h 55m1 stop
Etihad Airways Logo
1:10 pm - 3:10 pm
ORD
-
MAA
38h 30m1 stop
$750Etihad Airways
Thu, Jan 29 - Sun, Feb 15
Etihad Airways Logo
4:10 pm - 7:35 am
MAA
-
ORD
26h 55m1 stop
Etihad Airways Logo
1:10 pm - 3:10 pm
ORD
-
MAA
38h 30m1 stop
$753Etihad Airways
Thu, Jan 29 - Thu, Feb 5
Etihad Airways Logo
4:10 pm - 7:35 am
MAA
-
ORD
26h 55m1 stop
Etihad Airways Logo
1:10 pm - 2:30 am
ORD
-
MAA
25h 50m1 stop
$779Etihad Airways
Wed, Feb 4 - Sun, Feb 8
Etihad Airways Logo
3:45 pm - 7:35 am
MAA
-
ORD
27h 20m1 stop
Etihad Airways Logo
2:00 pm - 8:30 am
ORD
-
MAA
32h 00m1 stop
$781Etihad Airways
Sun, Mar 1 - Tue, Sep 1
Air India Logo
11:00 am - 11:30 am
MAA
-
ORD
36h 00m2 stops
Air India Logo
1:30 pm - 12:35 am
ORD
-
MAA
23h 35m1 stop
$782Air India
Thu, Jan 29 - Sun, Feb 15
Air France Logo
9:30 pm - 3:10 pm
MAA
-
ORD
29h 10m2 stops
Air France Logo
5:10 pm - 6:05 am
ORD
-
MAA
26h 25m2 stops
$785Air France
Mon, Jan 26 - Sun, Mar 29
Multiple Airlines Logo
9:30 pm - 3:10 pm
MAA
-
ORD
29h 10m2 stops
Multiple Airlines Logo
5:25 pm - 8:30 am
ORD
-
MAA
28h 35m2 stops
$786Multiple Airlines
Mon, Jan 26 - Fri, Mar 27
British Airways Logo
7:35 am - 7:25 pm
MAA
-
STL
47h 20m2 stops
British Airways Logo
6:00 am - 5:35 am
STL
-
MAA
36h 05m2 stops
$907British Airways
Wed, Feb 11 - Sun, Feb 15
British Airways Logo
7:35 am - 5:05 pm
MAA
-
STL
45h 00m2 stops
British Airways Logo
10:04 am - 5:35 am
STL
-
MAA
32h 01m2 stops
$908British Airways
Wed, Feb 11 - Sun, Feb 15
Lufthansa Logo
1:55 am - 4:26 pm
MAA
-
STL
25h 01m2 stops
Lufthansa Logo
1:27 pm - 11:15 pm
STL
-
MAA
47h 18m3 stops
$1,996Lufthansa
Tue, Jun 2 - Thu, Sep 3

Air France flights from Chennai to Illinois

Our best Air France deals on Chennai to Illinois flight tickets
Air France
Jan 26
MAA9:30 pmChennai
29h 10m
2 stops
ORD3:10 pmChicago O'Hare Intl
Mar 29
ORD5:10 pmChicago O'Hare Intl
26h 25m
2 stops
MAA6:05 amChennai
$785
Find similar
Air France
Dec 21
MAA9:30 pmChennai
29h 10m
2 stops
ORD3:10 pmChicago O'Hare Intl
Jan 14
ORD5:20 pmChicago O'Hare Intl
27h 00m
2 stops
MAA7:50 amChennai
$786
Find similar
Air France
Jun 3
MAA7:05 pmChennai
30h 25m
2 stops
ORD3:00 pmChicago O'Hare Intl
Sep 3
ORD5:10 pmChicago O'Hare Intl
28h 40m
2 stops
MAA8:20 amChennai
$861
Find similar

Etihad Airways flights from Chennai to Illinois

Our best Etihad Airways deals on Chennai to Illinois flight tickets
Etihad Airways
Jan 30
MAA10:00 amChennai
33h 05m
1 stop
ORD7:35 amChicago O'Hare Intl
Feb 15
ORD1:10 pmChicago O'Hare Intl
19h 15m
1 stop
MAA7:55 pmChennai
$793
Find similar
Etihad Airways
Mar 7
MAA4:10 pmChennai
26h 55m
1 stop
ORD7:35 amChicago O'Hare Intl
Aug 30
ORD2:00 pmChicago O'Hare Intl
19h 40m
1 stop
MAA8:10 pmChennai
$797
Find similar
Etihad Airways
Mar 7
MAA4:10 pmChennai
26h 55m
1 stop
ORD7:35 amChicago O'Hare Intl
Aug 29
ORD2:00 pmChicago O'Hare Intl
25h 55m
1 stop
MAA2:25 amChennai
$808
Find similar

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated December 18, 2025.
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

Thu 1/29

4:10 pm-7:35 am

1 stop26h 55m

Chicago O'Hare Intl

Sun 2/15

1:10 pm-3:10 pm

1 stop38h 30m

$750

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Thu 1/29

4:10 pm-7:35 am

1 stop26h 55m

Chicago O'Hare Intl

Thu 2/5

1:10 pm-3:10 pm

1 stop38h 30m

$753

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Wed 2/4

4:10 pm-7:35 am

1 stop26h 55m

Chicago O'Hare Intl

Sun 2/8

1:10 pm-2:30 am

1 stop25h 50m

$779

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Sun 3/1

3:45 pm-7:35 am

1 stop27h 20m

Chicago O'Hare Intl

Tue 9/1

2:00 pm-8:30 am

1 stop32h 00m

$781

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Thu 1/29

11:00 am-11:30 am

2 stops36h 00m

Chicago O'Hare Intl

Sun 2/15

1:30 pm-12:35 am

1 stop23h 35m

$782

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Mon 1/26

9:30 pm-3:10 pm

2 stops29h 10m

Chicago O'Hare Intl

Sun 3/29

5:10 pm-6:05 am

2 stops26h 25m

$785

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Mon 1/26

9:30 pm-3:10 pm

2 stops29h 10m

Chicago O'Hare Intl

Fri 3/27

5:25 pm-8:30 am

2 stops28h 35m

$786

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Wed 2/11

7:35 am-7:25 pm

2 stops47h 20m

Lambert-St Louis

Sun 2/15

6:00 am-5:35 am

2 stops36h 05m

$907

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Wed 2/11

7:35 am-5:05 pm

2 stops45h 00m

Lambert-St Louis

Sun 2/15

10:04 am-5:35 am

2 stops32h 01m

$908

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Tue 6/2

1:55 am-4:26 pm

2 stops25h 01m

Lambert-St Louis

Thu 9/3

1:27 pm-11:15 pm

3 stops47h 18m

$1,996

Flights are sorted by cheapest round-trip 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?

The cheapest month to fly to Illinois from Chennai is in October. Flight prices, which tend to average around $881, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of October, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $1,010.

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

The cheapest day to depart from Chennai to Illinois is on a Thursday when prices can be found for as low as $1,119. Flights from Chennai to Illinois on a Saturday will generally be more expensive and average around $1,378. 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 Illinois?

Our most recent data shows that the best time of day to fly to Illinois is in the evening. Flights from Chennai to Illinois during this time can be as low as $1,183. Flights in the morning are often more expensive with an average ticket price of $1,370.

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 $1,104 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Chennai for as low as $882 on momondo.

Can stopping save me money on Chennai to Illinois flights?

You could potentially save up to 5% 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

21h 25m

Direct flights

None
The fastest flight from Chennai to Illinois takes 21h 25m
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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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
LufthansaPriceFrom $806Free CancellationRating
6.8
7,634 reviews
Search Lufthansa flights
Air IndiaPriceFrom $818Free CancellationRating
5.5
2,952 reviews
Search Air India flights
Etihad AirwaysPriceFrom $829Free CancellationRating
7.4
1,332 reviews
Search Etihad Airways flights
British AirwaysPriceFrom $883Free CancellationRating
6.7
7,585 reviews
Search British Airways flights
Qatar AirwaysPriceFrom $933Free CancellationRating
7.4
3,686 reviews
Search Qatar Airways flights
EmiratesPriceFrom $980Free CancellationRating
8.1
3,440 reviews
Search Emirates flights

Why use momondo?

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

It is quick and easy to find Chennai to Illinois flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Illinois that suits you.

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

momondo does allow users to show only those flights to Illinois from Chennai which offer a flexible booking policy as well as other useful filters and features.

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

Once all potential Chennai to Illinois flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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.

An easier way to manage your Illinois trip

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