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Cheap flights from Chicago O'Hare Intl Airport to Chennai from $501

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to Chennai departing on 11/16. 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 Chicago O'Hare Intl Airport to Chennai

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air India Logo
1:30 pm - 8:55 amORD-MAA
31h 55m1 stop
Air India Logo
6:55 am - 11:30 amMAA-ORD
40h 05m1 stop
$750Air India
Find Deal
Fri, Feb 13 - Sun, Mar 1
Etihad Airways Logo
1:10 pm - 7:55 pmORD-MAA
19h 15m1 stop
Etihad Airways Logo
9:40 pm - 7:35 amMAA-ORD
21h 25m1 stop
$751Etihad Airways
Find Deal
Thu, Feb 12 - Fri, Mar 6
Etihad Airways Logo
1:10 pm - 2:30 amORD-MAA
25h 50m1 stop
Etihad Airways Logo
10:00 am - 7:35 amMAA-ORD
33h 05m1 stop
$752Etihad Airways
Find Deal
Sun, Jan 25 - Mon, Mar 2
Etihad Airways Logo
1:10 pm - 7:55 pmORD-MAA
19h 15m1 stop
Etihad Airways Logo
4:10 pm - 7:35 amMAA-ORD
26h 55m1 stop
$754Etihad Airways
Find Deal
Sat, Feb 7 - Wed, Feb 25
Air India Logo
1:30 pm - 3:05 pmORD-MAA
38h 05m1 stop
Air India Logo
6:00 am - 11:30 amMAA-ORD
41h 00m2 stops
$773Air India
Find Deal
Wed, Jan 14 - Tue, Feb 3
British Airways Logo
5:10 pm - 5:35 amORD-MAA
24h 55m1 stop
British Airways Logo
7:35 am - 2:00 pmMAA-ORD
41h 55m2 stops
$807British Airways
Find Deal
Mon, Jan 19 - Thu, Mar 5
British Airways Logo
9:45 pm - 5:35 amORD-MAA
20h 20m1 stop
British Airways Logo
7:35 am - 6:45 pmMAA-ORD
22h 40m1 stop
$814British Airways
Find Deal
Sat, Jan 24 - Thu, Feb 12
Lufthansa Logo
6:00 pm - 8:45 amORD-MAA
27h 15m2 stops
Lufthansa Logo
1:50 am - 3:20 pmMAA-ORD
25h 00m1 stop
$819Lufthansa
Find Deal
Tue, Jan 20 - Mon, Feb 2
IndiGo Logo
8:20 pm - 12:10 pmORD-MAA
28h 20m2 stops
IndiGo Logo
12:15 am - 6:25 pmMAA-ORD
29h 40m2 stops
$822IndiGo
Find Deal
Wed, Jan 14 - Mon, Feb 2
Lufthansa Logo
6:00 pm - 8:45 amORD-MAA
27h 15m2 stops
Lufthansa Logo
1:50 am - 1:10 pmMAA-ORD
22h 50m1 stop
$825Lufthansa
Find Deal
Tue, Jan 20 - Tue, Feb 10

Air India flights from Chicago O'Hare Intl Airport to Chennai

Our best Air India deals on Chicago O'Hare Intl Airport to Chennai flight tickets
Air India
Feb 13
ORD1:30 pmChicago O'Hare Intl
31h 55m
1 stop
MAA8:55 amChennai
Mar 1
MAA6:55 amChennai
40h 05m
1 stop
ORD11:30 amChicago O'Hare Intl
$750
Find similar
Air India
Jan 14
ORD1:30 pmChicago O'Hare Intl
38h 05m
1 stop
MAA3:05 pmChennai
Feb 3
MAA6:00 amChennai
41h 00m
2 stops
ORD11:30 amChicago O'Hare Intl
$773
Find similar
Air India
Jan 10
ORD2:05 pmChicago O'Hare Intl
38h 05m
2 stops
MAA3:40 pmChennai
Feb 12
MAA9:40 pmChennai
25h 20m
2 stops
ORD11:30 amChicago O'Hare Intl
$791
Find similar

Etihad Airways flights from Chicago O'Hare Intl Airport to Chennai

Our best Etihad Airways deals on Chicago O'Hare Intl Airport to Chennai flight tickets
Etihad Airways
Feb 12
ORD1:10 pmChicago O'Hare Intl
19h 15m
1 stop
MAA7:55 pmChennai
Mar 6
MAA9:40 pmChennai
21h 25m
1 stop
ORD7:35 amChicago O'Hare Intl
$751
Find similar
Etihad Airways
Jan 25
ORD1:10 pmChicago O'Hare Intl
25h 50m
1 stop
MAA2:30 amChennai
Mar 2
MAA10:00 amChennai
33h 05m
1 stop
ORD7:35 amChicago O'Hare Intl
$752
Find similar
Etihad Airways
Feb 7
ORD1:10 pmChicago O'Hare Intl
19h 15m
1 stop
MAA7:55 pmChennai
Feb 25
MAA4:10 pmChennai
26h 55m
1 stop
ORD7:35 amChicago O'Hare Intl
$754
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport 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 832,500 searches. Data last updated October 31, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Chennai that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Fri 2/13

1:30 pm-8:55 am

1 stop31h 55m

Chennai

Sun 3/1

6:55 am-11:30 am

1 stop40h 05m

$750

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Thu 2/12

1:10 pm-7:55 pm

1 stop19h 15m

Chennai

Fri 3/6

9:40 pm-7:35 am

1 stop21h 25m

$751

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Sun 1/25

1:10 pm-2:30 am

1 stop25h 50m

Chennai

Mon 3/2

10:00 am-7:35 am

1 stop33h 05m

$752

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Sat 2/7

1:10 pm-7:55 pm

1 stop19h 15m

Chennai

Wed 2/25

4:10 pm-7:35 am

1 stop26h 55m

$754

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Wed 1/14

1:30 pm-3:05 pm

1 stop38h 05m

Chennai

Tue 2/3

6:00 am-11:30 am

2 stops41h 00m

$773

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Mon 1/19

5:10 pm-5:35 am

1 stop24h 55m

Chennai

Thu 3/5

7:35 am-2:00 pm

2 stops41h 55m

$807

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Sat 1/24

9:45 pm-5:35 am

1 stop20h 20m

Chennai

Thu 2/12

7:35 am-6:45 pm

1 stop22h 40m

$814

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Tue 1/20

6:00 pm-8:45 am

2 stops27h 15m

Chennai

Mon 2/2

1:50 am-3:20 pm

1 stop25h 00m

$819

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Wed 1/14

8:20 pm-12:10 pm

2 stops28h 20m

Chennai

Mon 2/2

12:15 am-6:25 pm

2 stops29h 40m

$822

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Tue 1/20

6:00 pm-8:45 am

2 stops27h 15m

Chennai

Tue 2/10

1:50 am-1:10 pm

1 stop22h 50m

$825

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 Chennai from

How to get the cheapest flight ticket from Chicago O'Hare Intl Airport 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?

In general, April is the cheapest month to fly from Chicago O'Hare Intl Airport to Chennai. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $812. If you’re not able to fly to Chennai in April, then September is your next best option. Flight prices from Chicago O'Hare Intl Airport to Chennai during September average around $851.

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

The cheapest day to depart on your flight to Chennai is on a Thursday when prices can be found for as low as $1,010. This is often the case because there is less demand to fly during this day of the week. Flights from Chicago O'Hare Intl Airport to Chennai on a Monday will generally be more expensive and average around $1,308. 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?

In the afternoon is the cheapest time of day to fly from Chicago O'Hare Intl Airport to Chennai when you can find flight prices for as low as $1,065. Flying to Chennai in the afternoon is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Chennai is in the evening when prices are around $1,343.

What is the cheapest Chicago O'Hare Intl to Chennai flight route?

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

How far in advance should I book a flight to Chennai?

You are more likely to see cheaper flights to Chennai from Chicago O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Chennai for around $1,065 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chennai from Chicago O'Hare Intl Airport for as low as $961 on momondo.

What cabin class options are available on Chicago O'Hare Intl to Chennai flights?

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

How have Chicago O'Hare Intl Airport to Chennai flight prices changed over time?

As of October 2025, prices for Chicago O'Hare Intl Airport to Chennai flights are approximately 18% cheaper when compared to flights at the same time last year.

When to book flights from Chicago O'Hare Intl Airport to Chennai

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport to Chennai according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago O'Hare Intl Airport to Chennai (ORD to MAA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Chennai

Best Price Found

$1,180

Direct flights

None
The best flight deal from Chicago O'Hare Intl Airport to Chennai found on momondo in the last 72 hours is $1,180
There are no direct flights from Chicago O'Hare Intl Airport to Chennai. There are no popular flight routes from Chicago O'Hare Intl Airport to Chennai.
Search flight deals

  • How far is Chicago O'Hare Intl to Chennai by plane?

    Chennai is 8552.4 mi away from Chicago O'Hare Intl. In terms of flight time, this usually takes a little over 19h 15m.

  • When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Chennai Airport?

    Prices for flights from Chicago O'Hare Intl Airport to Chennai Airport refresh daily.

  • How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Chennai Airport?

  • How old do you have to be to fly from Chicago O'Hare Intl Airport to Chennai Airport?

    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 Chicago O'Hare Intl Airport to Chennai Airport.

  • What documentation or ID do you need to fly to Chennai Airport?

    The required travel and health documents for your Chennai Airport 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 Chennai Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Chicago O'Hare Intl Airport to Chennai?

Best airlines flying from Chicago O'Hare Intl Airport to Chennai

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Chennai with momondo
Airline
Rating
Free Cancellation
Price
Cathay PacificPriceFrom $688Free CancellationRating
7.6
1,044 reviews
Search Cathay Pacific flights
Air IndiaPriceFrom $696Free CancellationRating
5.5
2,940 reviews
Search Air India flights
Etihad AirwaysPriceFrom $755Free CancellationRating
7.4
1,284 reviews
Search Etihad Airways flights
Qatar AirwaysPriceFrom $790Free CancellationRating
7.4
3,661 reviews
Search Qatar Airways flights
British AirwaysPriceFrom $804Free CancellationRating
6.7
7,489 reviews
Search British Airways flights
LufthansaPriceFrom $834Free CancellationRating
6.8
7,543 reviews
Search Lufthansa flights
EmiratesPriceFrom $896Free CancellationRating
8.1
3,395 reviews
Search Emirates flights
IndiGoPriceFrom $1,020Free CancellationRating
6.9
493 reviews
Search IndiGo flights
Ethiopian AirPriceFrom $1,069Free CancellationRating
7.2
884 reviews
Search Ethiopian Air flights
SWISSPriceFrom $1,088Free CancellationRating
7.5
1,777 reviews
Search SWISS flights

Traveling 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 Chicago to Chennai?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Chicago to Chennai. Millions of users trust and use momondo every year so you are in good hands.

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

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

How can momondo help me find flights from Chicago 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 Chicago.

I’m not ready to book a flight from Chicago to Chennai right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Chennai, momondo offers a useful price alert feature which will track prices for flights to Chennai from Chicago and alert you when they change.

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