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Cheap flights from Chicago O'Hare Intl Airport to Chennai from $352

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 3/1. 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.
Cathay Pacific Logo
2:35 pm - 12:35 am
ORD
-
MAA
22h 30m
1 stop
Cathay Pacific Logo
2:00 am - 1:55 pm
MAA
-
ORD
22h 25m
1 stop
$730Cathay Pacific
Sun, Mar 1 - Thu, Mar 12
Multiple Airlines Logo
2:35 pm - 12:35 am
ORD
-
MAA
22h 30m
1 stop
Multiple Airlines Logo
4:10 pm - 7:35 am
MAA
-
ORD
26h 55m
1 stop
$734Multiple Airlines
Wed, Feb 18 - Thu, Mar 5
Cathay Pacific Logo
2:35 pm - 12:35 am
ORD
-
MAA
22h 30m
1 stop
Cathay Pacific Logo
2:00 am - 1:55 pm
MAA
-
ORD
22h 25m
1 stop
$736Cathay Pacific
Thu, Mar 5 - Thu, Mar 19
Cathay Pacific Logo
3:35 pm - 12:35 am
ORD
-
MAA
22h 30m
1 stop
Cathay Pacific Logo
12:50 am - 1:55 pm
MAA
-
ORD
23h 35m
1 stop
$738Cathay Pacific
Sun, Mar 22 - Thu, Apr 2
Cathay Pacific Logo
4:15 pm - 11:35 pm
ORD
-
MAA
44h 50m
1 stop
Cathay Pacific Logo
12:50 am - 1:55 pm
MAA
-
ORD
23h 35m
1 stop
$739Cathay Pacific
Sun, Mar 29 - Sat, May 2
Etihad Airways Logo
1:10 pm - 2:30 am
ORD
-
MAA
25h 50m
1 stop
Etihad Airways Logo
10:00 am - 7:35 am
MAA
-
ORD
33h 05m
1 stop
$740Etihad Airways
Mon, Feb 16 - Mon, Feb 23
Cathay Pacific Logo
3:35 pm - 12:35 am
ORD
-
MAA
22h 30m
1 stop
Cathay Pacific Logo
12:50 am - 1:55 pm
MAA
-
ORD
23h 35m
1 stop
$741Cathay Pacific
Wed, Mar 11 - Thu, Apr 2
Etihad Airways Logo
1:10 pm - 7:55 pm
ORD
-
MAA
19h 15m
1 stop
Etihad Airways Logo
10:00 am - 7:35 am
MAA
-
ORD
33h 05m
1 stop
$743Etihad Airways
Thu, Feb 19 - Wed, Feb 25
Etihad Airways Logo
1:10 pm - 7:55 pm
ORD
-
MAA
19h 15m
1 stop
Etihad Airways Logo
3:45 pm - 8:35 am
MAA
-
ORD
27h 20m
1 stop
$744Etihad Airways
Thu, Feb 26 - Sun, Mar 15
Etihad Airways Logo
2:10 pm - 8:10 am
ORD
-
MAA
31h 30m
1 stop
Etihad Airways Logo
10:15 am - 8:35 am
MAA
-
ORD
32h 50m
1 stop
$745Etihad Airways
Sun, Mar 22 - Tue, Apr 7

Cathay Pacific flights from Chicago O'Hare Intl Airport to Chennai

Our best Cathay Pacific deals on Chicago O'Hare Intl Airport to Chennai flight tickets
Cathay Pacific
Mar 1
ORD2:35 pmChicago O'Hare Intl
22h 30m
1 stop
MAA12:35 amChennai
Mar 12
MAA2:00 amChennai
22h 25m
1 stop
ORD1:55 pmChicago O'Hare Intl
$730
Cathay Pacific
Mar 5
ORD2:35 pmChicago O'Hare Intl
22h 30m
1 stop
MAA12:35 amChennai
Mar 19
MAA2:00 amChennai
22h 25m
1 stop
ORD1:55 pmChicago O'Hare Intl
$736
Cathay Pacific
Mar 22
ORD3:35 pmChicago O'Hare Intl
22h 30m
1 stop
MAA12:35 amChennai
Apr 2
MAA12:50 amChennai
23h 35m
1 stop
ORD1:55 pmChicago O'Hare Intl
$738

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 16
ORD1:10 pmChicago O'Hare Intl
25h 50m
1 stop
MAA2:30 amChennai
Feb 23
MAA10:00 amChennai
33h 05m
1 stop
ORD7:35 amChicago O'Hare Intl
$740
Etihad Airways
Feb 19
ORD1:10 pmChicago O'Hare Intl
19h 15m
1 stop
MAA7:55 pmChennai
Feb 25
MAA10:00 amChennai
33h 05m
1 stop
ORD7:35 amChicago O'Hare Intl
$743
Etihad Airways
Feb 26
ORD1:10 pmChicago O'Hare Intl
19h 15m
1 stop
MAA7:55 pmChennai
Mar 15
MAA3:45 pmChennai
27h 20m
1 stop
ORD8:35 amChicago O'Hare Intl
$744

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 February 4, 2026.
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

Sun 3/1

2:35 pm-12:35 am

1 stop22h 30m

Chennai

Thu 3/12

2:00 am-1:55 pm

1 stop22h 25m

$730

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Wed 2/18

2:35 pm-12:35 am

1 stop22h 30m

Chennai

Thu 3/5

4:10 pm-7:35 am

1 stop26h 55m

$734

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Thu 3/5

2:35 pm-12:35 am

1 stop22h 30m

Chennai

Thu 3/19

2:00 am-1:55 pm

1 stop22h 25m

$736

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Sun 3/22

3:35 pm-12:35 am

1 stop22h 30m

Chennai

Thu 4/2

12:50 am-1:55 pm

1 stop23h 35m

$738

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Sun 3/29

4:15 pm-11:35 pm

1 stop44h 50m

Chennai

Sat 5/2

12:50 am-1:55 pm

1 stop23h 35m

$739

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Mon 2/16

1:10 pm-2:30 am

1 stop25h 50m

Chennai

Mon 2/23

10:00 am-7:35 am

1 stop33h 05m

$740

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Wed 3/11

3:35 pm-12:35 am

1 stop22h 30m

Chennai

Thu 4/2

12:50 am-1:55 pm

1 stop23h 35m

$741

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Thu 2/19

1:10 pm-7:55 pm

1 stop19h 15m

Chennai

Wed 2/25

10:00 am-7:35 am

1 stop33h 05m

$743

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Thu 2/26

1:10 pm-7:55 pm

1 stop19h 15m

Chennai

Sun 3/15

3:45 pm-8:35 am

1 stop27h 20m

$744

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Sun 3/22

2:10 pm-8:10 am

1 stop31h 30m

Chennai

Tue 4/7

10:15 am-8:35 am

1 stop32h 50m

$745

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 $817. 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 $849.

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 Tuesday when prices can be found for as low as $1,115. 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 morning 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 $1,115. Flying to Chennai in the morning 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 $1,048 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 $880 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 February 2026, prices for Chicago O'Hare Intl Airport to Chennai flights are approximately 3% 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

Fastest flight time

19h 40m

Direct flights

None
The fastest flight from Chicago O'Hare Intl Airport to Chennai takes 19h 40m
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 40m.

  • 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 $598Free CancellationRating
7.6
1,159 reviews
Search Cathay Pacific flights
Air IndiaPriceFrom $688Free CancellationRating
5.5
2,972 reviews
Search Air India flights
Etihad AirwaysPriceFrom $734Free CancellationRating
7.3
1,380 reviews
Search Etihad Airways flights
Qatar AirwaysPriceFrom $790Free CancellationRating
7.4
3,731 reviews
Search Qatar Airways flights
British AirwaysPriceFrom $804Free CancellationRating
6.7
7,716 reviews
Search British Airways flights
LufthansaPriceFrom $832Free CancellationRating
6.8
7,761 reviews
Search Lufthansa flights
EmiratesPriceFrom $916Free CancellationRating
8.1
3,504 reviews
Search Emirates flights
IndiGoPriceFrom $917Free CancellationRating
6.8
529 reviews
Search IndiGo flights
SWISSPriceFrom $1,058Free CancellationRating
7.6
1,864 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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