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Cheap flights from Chennai to Illinois from $364

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 11/15. 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.
Multiple Airlines Logo
3:55 am - 7:35 amMAA-ORD
39h 10m1 stop
Multiple Airlines Logo
1:30 pm - 10:20 amORD-MAA
33h 20m1 stop
$790Multiple Airlines
Find Deal
Mon, Nov 17 - Fri, Jan 16
Air France Logo
10:30 pm - 3:10 pmMAA-ORD
28h 10m2 stops
Air France Logo
5:20 pm - 7:50 amORD-MAA
27h 00m2 stops
$794Air France
Find Deal
Tue, Nov 18 - Fri, Jan 16
Air India Logo
9:50 am - 11:30 amMAA-ORD
37h 10m1 stop
Air India Logo
2:30 pm - 10:40 pmORD-MAA
21h 40m1 stop
$805Air India
Find Deal
Sun, Feb 8 - Wed, Mar 18
Air India Logo
2:30 pm - 11:30 amMAA-ORD
32h 30m2 stops
Air India Logo
1:30 pm - 10:20 amORD-MAA
33h 20m1 stop
$814Air India
Find Deal
Tue, Nov 18 - Fri, Jan 16
Etihad Airways Logo
3:55 am - 7:35 amMAA-ORD
39h 10m1 stop
Etihad Airways Logo
2:10 pm - 8:10 amORD-MAA
31h 30m1 stop
$824Etihad Airways
Find Deal
Sat, Feb 7 - Wed, Mar 18
Etihad Airways Logo
3:55 am - 7:35 amMAA-ORD
39h 10m1 stop
Etihad Airways Logo
2:00 pm - 8:30 amORD-MAA
32h 00m1 stop
$843Etihad Airways
Find Deal
Sat, Nov 22 - Wed, May 13
Emirates Logo
3:50 am - 7:39 pmMAA-STL
27h 19m2 stops
Emirates Logo
3:11 pm - 8:15 amSTL-MAA
29h 34m2 stops
$1,356Emirates
Find Deal
Sat, Nov 22 - Tue, Jan 20
Qatar Airways Logo
4:05 am - 10:58 pmMAA-STL
30h 23m2 stops
Qatar Airways Logo
3:20 pm - 2:30 amSTL-MAA
23h 40m2 stops
$1,363Qatar Airways
Find Deal
Mon, Nov 17 - Tue, Jan 20
Emirates Logo
9:45 am - 7:39 pmMAA-STL
45h 24m2 stops
Emirates Logo
3:11 pm - 2:15 amSTL-MAA
23h 34m2 stops
$1,366Emirates
Find Deal
Sun, Nov 23 - Tue, Jan 20
Qatar Airways Logo
3:25 am - 10:58 pmMAA-STL
31h 03m2 stops
Qatar Airways Logo
12:01 pm - 2:20 amSTL-MAA
26h 49m2 stops
$1,394Qatar Airways
Find Deal
Mon, Nov 17 - Sun, Jan 18

British Airways flights from Chennai to Illinois

Our best British Airways deals on Chennai to Illinois flight tickets
British Airways
Feb 11
MAA7:35 amChennai
41h 45m
1 stop
ORD1:50 pmChicago O'Hare Intl
May 13
ORD7:05 pmChicago O'Hare Intl
21h 55m
1 stop
MAA3:30 amChennai
$873
Find similar
British Airways
Feb 12
MAA7:35 amChennai
22h 40m
1 stop
ORD6:45 pmChicago O'Hare Intl
May 14
ORD7:05 pmChicago O'Hare Intl
21h 55m
1 stop
MAA3:30 amChennai
$874
Find similar
British Airways
Nov 23
MAA7:35 amChennai
43h 20m
1 stop
ORD3:25 pmChicago O'Hare Intl
May 13
ORD5:10 pmChicago O'Hare Intl
23h 50m
2 stops
MAA3:30 amChennai
$897
Find similar

SWISS flights from Chennai to Illinois

Our best SWISS deals on Chennai to Illinois flight tickets
SWISS
Dec 10
MAA8:00 pmChennai
28h 15m
2 stops
ORD12:45 pmChicago O'Hare Intl
Jan 9
ORD5:50 pmChicago O'Hare Intl
51h 25m
3 stops
MAA8:45 amChennai
$887
Find similar
SWISS
Dec 10
MAA8:00 pmChennai
29h 40m
3 stops
ORD2:10 pmChicago O'Hare Intl
Jan 9
ORD5:50 pmChicago O'Hare Intl
51h 25m
3 stops
MAA8:45 amChennai
$917
Find similar
SWISS
Nov 18
MAA6:00 pmChennai
30h 15m
2 stops
ORD12:45 pmChicago O'Hare Intl
Feb 17
ORD6:35 pmChicago O'Hare Intl
50h 40m
3 stops
MAA8:45 amChennai
$991
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 November 4, 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

Mon 11/17

3:55 am-7:35 am

1 stop39h 10m

Chicago O'Hare Intl

Fri 1/16

1:30 pm-10:20 am

1 stop33h 20m

$790

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Tue 11/18

10:30 pm-3:10 pm

2 stops28h 10m

Chicago O'Hare Intl

Fri 1/16

5:20 pm-7:50 am

2 stops27h 00m

$794

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Sun 2/8

9:50 am-11:30 am

1 stop37h 10m

Chicago O'Hare Intl

Wed 3/18

2:30 pm-10:40 pm

1 stop21h 40m

$805

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Tue 11/18

2:30 pm-11:30 am

2 stops32h 30m

Chicago O'Hare Intl

Fri 1/16

1:30 pm-10:20 am

1 stop33h 20m

$814

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Sat 2/7

3:55 am-7:35 am

1 stop39h 10m

Chicago O'Hare Intl

Wed 3/18

2:10 pm-8:10 am

1 stop31h 30m

$824

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Sat 11/22

3:55 am-7:35 am

1 stop39h 10m

Chicago O'Hare Intl

Wed 5/13

2:00 pm-8:30 am

1 stop32h 00m

$843

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Sat 11/22

3:50 am-7:39 pm

2 stops27h 19m

Lambert-St Louis

Tue 1/20

3:11 pm-8:15 am

2 stops29h 34m

$1,356

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Mon 11/17

4:05 am-10:58 pm

2 stops30h 23m

Lambert-St Louis

Tue 1/20

3:20 pm-2:30 am

2 stops23h 40m

$1,363

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Sun 11/23

9:45 am-7:39 pm

2 stops45h 24m

Lambert-St Louis

Tue 1/20

3:11 pm-2:15 am

2 stops23h 34m

$1,366

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Mon 11/17

3:25 am-10:58 pm

2 stops31h 03m

Lambert-St Louis

Sun 1/18

12:01 pm-2:20 am

2 stops26h 49m

$1,394

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 $887, 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 November is also cheap. Prices for this month can be found on momondo for an average of $975.

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.

What is the cheapest Chennai to Illinois flight route?

Fly from Chennai to Chicago O'Hare Intl for the best Chennai - Illinois flight prices

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 $1,130 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 $912 on momondo.

What cabin class options are available on Chennai to Illinois flights?

There is only 1 cabin class available to choose from on Chennai to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Chennai to Illinois flights?

You could potentially save up to 22% 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

Direct flights

None
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
7,550 reviews
Search Lufthansa flights
Air IndiaPriceFrom $818Free CancellationRating
5.5
2,942 reviews
Search Air India flights
British AirwaysPriceFrom $863Free CancellationRating
6.7
7,496 reviews
Search British Airways flights
Etihad AirwaysPriceFrom $866Free CancellationRating
7.4
1,285 reviews
Search Etihad Airways flights
Qatar AirwaysPriceFrom $933Free CancellationRating
7.4
3,660 reviews
Search Qatar Airways flights
EmiratesPriceFrom $984Free CancellationRating
8.1
3,401 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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