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Cheap flights from Chicago O'Hare Intl Airport to Chennai from $327

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 8/27. 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

Air India Logo
12:15 pm - 8:40 pmORD-MAA
21h 55m1 stop
Air India Logo
8:40 pm - 7:25 amMAA-ORD
21h 15m1 stop
$664Air India
Find Deal
Wed, Aug 27 - Tue, Sep 16
Air India Logo
12:00 pm - 8:40 pmORD-MAA
22h 10m1 stop
Air India Logo
8:40 pm - 7:25 amMAA-ORD
21h 15m1 stop
$666Air India
Find Deal
Mon, Sep 1 - Thu, Sep 11
Air India Logo
12:15 pm - 8:40 pmORD-MAA
21h 55m1 stop
Air India Logo
9:45 pm - 7:25 amMAA-ORD
20h 10m1 stop
$695Air India
Find Deal
Fri, Aug 29 - Thu, Sep 18
Etihad Airways Logo
1:55 pm - 8:10 pmORD-MAA
19h 45m1 stop
Etihad Airways Logo
3:55 am - 9:15 amMAA-ORD
39h 50m1 stop
$751Etihad Airways
Find Deal
Sun, Sep 14 - Tue, Oct 28
Etihad Airways Logo
1:55 pm - 8:10 pmORD-MAA
19h 45m1 stop
Etihad Airways Logo
4:25 am - 8:45 amMAA-ORD
38h 50m1 stop
$752Etihad Airways
Find Deal
Tue, Sep 16 - Tue, Sep 30
American Airlines Logo
4:54 pm - 5:15 amORD-MAA
25h 51m2 stops
American Airlines Logo
5:50 pm - 9:15 amMAA-ORD
25h 55m2 stops
$810American Airlines
Find Deal
Sun, Sep 14 - Sun, Sep 21
American Airlines Logo
4:54 pm - 5:15 amORD-MAA
25h 51m2 stops
American Airlines Logo
5:50 pm - 12:41 pmMAA-ORD
29h 21m2 stops
$811American Airlines
Find Deal
Thu, Sep 4 - Wed, Sep 17
Logo
1:55 pm - 6:05 amORD-MAA
29h 40m2 stops
Logo
7:00 am - 8:45 amMAA-ORD
36h 15m2 stops
$814
Find Deal
Sat, Sep 13 - Sat, Sep 20
Lufthansa Logo
4:00 pm - 12:10 amORD-MAA
21h 40m1 stop
Lufthansa Logo
1:55 am - 12:55 pmMAA-ORD
21h 30m1 stop
$824Lufthansa
Find Deal
Tue, Sep 9 - Mon, Oct 13
Logo
10:40 am - 12:10 amORD-MAA
27h 00m2 stops
Logo
1:50 am - 2:10 pmMAA-ORD
22h 50m1 stop
$831
Find Deal
Sun, Sep 14 - Tue, Oct 28

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
Aug 27
ORD12:15 pmChicago O'Hare Intl
21h 55m
1 stop
MAA8:40 pmChennai
Sep 16
MAA8:40 pmChennai
21h 15m
1 stop
ORD7:25 amChicago O'Hare Intl
$664
Find similar
Air India
Sep 1
ORD12:00 pmChicago O'Hare Intl
22h 10m
1 stop
MAA8:40 pmChennai
Sep 11
MAA8:40 pmChennai
21h 15m
1 stop
ORD7:25 amChicago O'Hare Intl
$666
Find similar
Air India
Aug 29
ORD12:15 pmChicago O'Hare Intl
21h 55m
1 stop
MAA8:40 pmChennai
Sep 18
MAA9:45 pmChennai
20h 10m
1 stop
ORD7:25 amChicago O'Hare Intl
$695
Find similar

American Airlines flights from Chicago O'Hare Intl Airport to Chennai

Our best American Airlines deals on Chicago O'Hare Intl Airport to Chennai flight tickets
American Airlines
Sep 14
ORD4:54 pmChicago O'Hare Intl
25h 51m
2 stops
MAA5:15 amChennai
Sep 21
MAA5:50 pmChennai
25h 55m
2 stops
ORD9:15 amChicago O'Hare Intl
$810
Find similar
American Airlines
Sep 4
ORD4:54 pmChicago O'Hare Intl
25h 51m
2 stops
MAA5:15 amChennai
Sep 17
MAA5:50 pmChennai
29h 21m
2 stops
ORD12:41 pmChicago O'Hare Intl
$811
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 July 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

Wed 8/27

12:15 pm-8:40 pm

1 stop21h 55m

Chennai

Tue 9/16

8:40 pm-7:25 am

1 stop21h 15m

$664

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Mon 9/1

12:00 pm-8:40 pm

1 stop22h 10m

Chennai

Thu 9/11

8:40 pm-7:25 am

1 stop21h 15m

$666

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Fri 8/29

12:15 pm-8:40 pm

1 stop21h 55m

Chennai

Thu 9/18

9:45 pm-7:25 am

1 stop20h 10m

$695

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Sun 9/14

1:55 pm-8:10 pm

1 stop19h 45m

Chennai

Tue 10/28

3:55 am-9:15 am

1 stop39h 50m

$751

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Tue 9/16

1:55 pm-8:10 pm

1 stop19h 45m

Chennai

Tue 9/30

4:25 am-8:45 am

1 stop38h 50m

$752

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Sun 9/14

4:54 pm-5:15 am

2 stops25h 51m

Chennai

Sun 9/21

5:50 pm-9:15 am

2 stops25h 55m

$810

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Thu 9/4

4:54 pm-5:15 am

2 stops25h 51m

Chennai

Wed 9/17

5:50 pm-12:41 pm

2 stops29h 21m

$811

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Sat 9/13

1:55 pm-6:05 am

2 stops29h 40m

Chennai

Sat 9/20

7:00 am-8:45 am

2 stops36h 15m

$814

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Tue 9/9

4:00 pm-12:10 am

1 stop21h 40m

Chennai

Mon 10/13

1:55 am-12:55 pm

1 stop21h 30m

$824

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Sun 9/14

10:40 am-12:10 am

2 stops27h 00m

Chennai

Tue 10/28

1:50 am-2:10 pm

1 stop22h 50m

$831

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 $808. 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 $810.

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 Saturday when prices can be found for as low as $998. 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 Thursday will generally be more expensive and average around $1,385. 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 $998. 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 $1,066 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 $908 on momondo.

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

There are 1 cabin classes 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 July 2025, prices for Chicago O'Hare Intl Airport to Chennai flights are approximately 7% 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

$327

Fastest flight time

19h 45m

Direct flights

None

Airports in Chennai

1 airport
The best one-way flight to Chennai from Chicago O'Hare Intl Airport in the past 72 hours is $327. The best round-trip flight deal from Chicago O'Hare Intl Airport to Chennai found on momondo in the last 72 hours is $664.
The fastest flight from Chicago O'Hare Intl Airport to Chennai takes 19h 45m
There are no direct flights from Chicago O'Hare Intl Airport to Chennai. Popular non-direct route for this connection is Chicago O'Hare Intl Airport - Chennai Airport.
There is 1 airport near Chennai: Chennai (MAA)
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 45m.

  • 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 plane model from Chicago O'Hare Intl Airport to Chennai?

  • 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 $646Free CancellationRating
7.6
949 reviews
Search Cathay Pacific flights
Air IndiaPriceFrom $696Free CancellationRating
5.5
2,928 reviews
Search Air India flights
EmiratesPriceFrom $728Free CancellationRating
8.1
3,300 reviews
Search Emirates flights
Etihad AirwaysPriceFrom $764Free CancellationRating
7.4
1,230 reviews
Search Etihad Airways flights
Qatar AirwaysPriceFrom $810Free CancellationRating
7.4
3,609 reviews
Search Qatar Airways flights
LufthansaPriceFrom $832Free CancellationRating
6.8
7,275 reviews
Search Lufthansa flights
Oman AirPriceFrom $1,019Free CancellationRating
8.3
91 reviews
Search Oman Air flights
IndiGoPriceFrom $1,031Free CancellationRating
6.8
478 reviews
Search IndiGo flights
British AirwaysPriceFrom $1,062Free CancellationRating
6.6
7,222 reviews
Search British Airways flights
Ethiopian AirPriceFrom $1,069Free CancellationRating
7.2
803 reviews
Search Ethiopian Air 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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