Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Chennai to Illinois from $518

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 10/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Chennai to Illinois

Cheap round-trip flights

British Airways Logo
7:35 am - 6:45 pmMAA-ORD
22h 40m1 stop
British Airways Logo
4:45 pm - 5:35 amORD-MAA
25h 20m2 stops
$897British Airways
Find Deal
Wed, Nov 26 - Sat, Feb 14
Multiple Airlines Logo
1:50 am - 1:10 pmMAA-ORD
22h 50m1 stop
Multiple Airlines Logo
6:50 pm - 8:55 amORD-MAA
26h 35m2 stops
$898Multiple Airlines
Find Deal
Tue, Nov 25 - Sat, Feb 14
Etihad Airways Logo
10:00 pm - 8:45 amMAA-ORD
21h 15m1 stop
Etihad Airways Logo
1:55 pm - 8:30 amORD-MAA
32h 05m1 stop
$899Etihad Airways
Find Deal
Tue, Oct 7 - Mon, Oct 13
Etihad Airways Logo
3:45 pm - 7:55 amMAA-ORD
27h 40m1 stop
Etihad Airways Logo
2:10 pm - 7:55 pmORD-MAA
19h 15m1 stop
$900Etihad Airways
Find Deal
Sun, Feb 8 - Wed, Mar 18
Lufthansa Logo
1:50 am - 4:20 pmMAA-ORD
25h 00m1 stop
Lufthansa Logo
4:20 pm - 8:55 amORD-MAA
29h 05m2 stops
$908Lufthansa
Find Deal
Tue, Oct 28 - Tue, Nov 25
Air India Logo
8:40 pm - 11:30 amMAA-ORD
26h 20m2 stops
Air India Logo
1:30 pm - 11:50 pmORD-MAA
22h 50m1 stop
$910Air India
Find Deal
Tue, Nov 18 - Fri, Jan 16
Air India Logo
8:40 pm - 11:30 amMAA-ORD
26h 20m2 stops
Air India Logo
1:30 pm - 10:55 pmORD-MAA
21h 55m1 stop
$913Air India
Find Deal
Tue, Nov 18 - Fri, Jan 16
Lufthansa Logo
6:40 am - 11:10 amMAA-ORD
40h 00m2 stops
Lufthansa Logo
4:20 pm - 12:05 amORD-MAA
21h 15m1 stop
$919Lufthansa
Find Deal
Sun, Feb 8 - Wed, Mar 18
Emirates Logo
3:50 am - 2:55 pmMAA-ORD
22h 35m1 stop
Emirates Logo
8:35 pm - 8:30 pmORD-MAA
37h 25m1 stop
$982Emirates
Find Deal
Sat, Nov 22 - Wed, May 13
Emirates Logo
9:45 am - 9:40 pmMAA-STL
46h 25m2 stops
Emirates Logo
3:14 pm - 2:15 amSTL-MAA
23h 31m2 stops
$3,232Emirates
Find Deal
Thu, Oct 30 - Thu, Nov 6

Etihad Airways flights from Chennai to Illinois

Our best Etihad Airways deals on Chennai to Illinois flight tickets
Etihad Airways
Oct 7
MAA10:00 pmChennai
21h 15m
1 stop
ORD8:45 amChicago O'Hare Intl
Oct 13
ORD1:55 pmChicago O'Hare Intl
32h 05m
1 stop
MAA8:30 amChennai
$899
Find similar
Etihad Airways
Feb 8
MAA3:45 pmChennai
27h 40m
1 stop
ORD7:55 amChicago O'Hare Intl
Mar 18
ORD2:10 pmChicago O'Hare Intl
19h 15m
1 stop
MAA7:55 pmChennai
$900
Find similar
Etihad Airways
Sep 18
MAA4:35 pmChennai
26h 40m
1 stop
ORD8:45 amChicago O'Hare Intl
Nov 14
ORD1:10 pmChicago O'Hare Intl
37h 55m
1 stop
MAA2:35 pmChennai
$924
Find similar

British Airways flights from Chennai to Illinois

Our best British Airways deals on Chennai to Illinois flight tickets
British Airways
Nov 26
MAA7:35 amChennai
22h 40m
1 stop
ORD6:45 pmChicago O'Hare Intl
Feb 14
ORD4:45 pmChicago O'Hare Intl
25h 20m
2 stops
MAA5:35 amChennai
$897
Find similar
British Airways
Oct 14
MAA5:35 amChennai
47h 41m
2 stops
STL6:46 pmLambert-St Louis
Oct 18
STL8:00 pmLambert-St Louis
45h 00m
2 stops
MAA3:30 amChennai
$1,326
Find similar
British Airways
Oct 14
MAA5:35 amChennai
28h 00m
2 stops
STL11:05 pmLambert-St Louis
Oct 18
STL8:00 pmLambert-St Louis
45h 00m
2 stops
MAA3:30 amChennai
$1,327
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 September 17, 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

Wed 11/26

7:35 am-6:45 pm

1 stop22h 40m

Chicago O'Hare Intl

Sat 2/14

4:45 pm-5:35 am

2 stops25h 20m

$897

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Tue 11/25

1:50 am-1:10 pm

1 stop22h 50m

Chicago O'Hare Intl

Sat 2/14

6:50 pm-8:55 am

2 stops26h 35m

$898

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Tue 10/7

10:00 pm-8:45 am

1 stop21h 15m

Chicago O'Hare Intl

Mon 10/13

1:55 pm-8:30 am

1 stop32h 05m

$899

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Sun 2/8

3:45 pm-7:55 am

1 stop27h 40m

Chicago O'Hare Intl

Wed 3/18

2:10 pm-7:55 pm

1 stop19h 15m

$900

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Tue 10/28

1:50 am-4:20 pm

1 stop25h 00m

Chicago O'Hare Intl

Tue 11/25

4:20 pm-8:55 am

2 stops29h 05m

$908

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Tue 11/18

8:40 pm-11:30 am

2 stops26h 20m

Chicago O'Hare Intl

Fri 1/16

1:30 pm-11:50 pm

1 stop22h 50m

$910

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Tue 11/18

8:40 pm-11:30 am

2 stops26h 20m

Chicago O'Hare Intl

Fri 1/16

1:30 pm-10:55 pm

1 stop21h 55m

$913

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Sun 2/8

6:40 am-11:10 am

2 stops40h 00m

Chicago O'Hare Intl

Wed 3/18

4:20 pm-12:05 am

1 stop21h 15m

$919

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Sat 11/22

3:50 am-2:55 pm

1 stop22h 35m

Chicago O'Hare Intl

Wed 5/13

8:35 pm-8:30 pm

1 stop37h 25m

$982

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Thu 10/30

9:45 am-9:40 pm

2 stops46h 25m

Lambert-St Louis

Thu 11/6

3:14 pm-2:15 am

2 stops23h 31m

$3,232

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 November. Flight prices, which tend to average around $898, 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 November, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $987.

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 $1,129 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.

Cheap Chennai to Illinois flight deals and tips

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

Best Price Found

$1,183

Direct flights

None
The best flight deal from Chennai to Illinois found on momondo in the last 72 hours is $1,183
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
7,409 reviews
Search Lufthansa flights
Air IndiaPriceFrom $820Free CancellationRating
5.5
2,932 reviews
Search Air India flights
British AirwaysPriceFrom $863Free CancellationRating
6.7
7,367 reviews
Search British Airways flights
Etihad AirwaysPriceFrom $876Free CancellationRating
7.4
1,251 reviews
Search Etihad Airways flights
Qatar AirwaysPriceFrom $933Free CancellationRating
7.4
3,622 reviews
Search Qatar Airways flights
EmiratesPriceFrom $986Free CancellationRating
8.1
3,339 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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 10/17
Fri 10/24
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Illinois

Popular cities in Illinois

Popular flights according to clicks in the last 7 days on momondo
Flights to New Yorkfrom $49
Flights to Los Angelesfrom $49
Flights to Miamifrom $49
Flights to Chicagofrom $49
Flights to Orlandofrom $60
Flights to Las Vegasfrom $48
Flights to San Franciscofrom $53
Flights to Washington, D.C.from $49
Flights to Bostonfrom $62
Flights to Atlantafrom $51
Flights to Dallasfrom $68
Flights to Seattlefrom $69