Cheap flights from Chicago O'Hare Intl Airport to Chennai from $325

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 10/20. 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.

Find the cheapest flights from Chicago O'Hare Intl Airport to Chennai

Cheap round-trip flights

Qatar Airways Logo
7:40 pm - 9:10 amORD-MAA
27h 00m1 stop
Qatar Airways Logo
9:50 pm - 2:30 pmMAA-ORD
28h 10m1 stop
$756Qatar Airways
Find Deal
mar., oct. 21 - mar., nov. 11
Qatar Airways Logo
6:50 pm - 9:10 amORD-MAA
26h 50m1 stop
Qatar Airways Logo
4:20 am - 3:05 pmMAA-ORD
21h 15m1 stop
$761Qatar Airways
Find Deal
jue., nov. 6 - jue., abr. 30
Etihad Airways Logo
1:55 pm - 8:30 amORD-MAA
32h 05m1 stop
Etihad Airways Logo
4:25 am - 8:45 amMAA-ORD
38h 50m1 stop
$762Etihad Airways
Find Deal
dom., sep. 28 - mar., oct. 14
Etihad Airways Logo
1:55 pm - 8:10 amORD-MAA
31h 45m1 stop
Etihad Airways Logo
9:40 pm - 7:55 amMAA-ORD
21h 45m1 stop
$763Etihad Airways
Find Deal
vie., oct. 24 - lun., nov. 3
British Airways Logo
4:55 pm - 3:30 amORD-MAA
24h 05m1 stop
British Airways Logo
5:35 am - 1:50 pmMAA-ORD
42h 45m1 stop
$764British Airways
Find Deal
lun., oct. 6 - mar., oct. 14
British Airways Logo
9:15 pm - 3:30 amORD-MAA
19h 45m1 stop
British Airways Logo
7:35 am - 6:45 pmMAA-ORD
22h 40m1 stop
$765British Airways
Find Deal
mar., oct. 21 - jue., nov. 13
Air India Logo
1:35 pm - 3:30 pmORD-MAA
39h 25m2 stops
Air India Logo
8:40 pm - 11:30 amMAA-ORD
26h 20m2 stops
$778Air India
Find Deal
mar., oct. 21 - mar., nov. 11
Air India Logo
2:30 pm - 5:20 amORD-MAA
28h 20m1 stop
Air India Logo
8:40 pm - 11:30 amMAA-ORD
26h 20m2 stops
$780Air India
Find Deal
lun., oct. 27 - jue., nov. 13
Lufthansa Logo
6:35 pm - 12:05 amORD-MAA
42h 00m2 stops
Lufthansa Logo
1:55 am - 2:45 pmMAA-ORD
23h 20m1 stop
$817Lufthansa
Find Deal
mar., nov. 18 - mar., abr. 7
Lufthansa Logo
6:35 pm - 12:10 amORD-MAA
19h 05m1 stop
Lufthansa Logo
1:50 am - 9:05 pmMAA-ORD
29h 45m1 stop
$820Lufthansa
Find Deal
vie., oct. 24 - jue., oct. 30

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
Oct 21
ORD1:35 pmChicago O'Hare Intl
39h 25m
2 stops
MAA3:30 pmChennai
Nov 11
MAA8:40 pmChennai
26h 20m
2 stops
ORD11:30 amChicago O'Hare Intl
Air India
Oct 27
ORD2:30 pmChicago O'Hare Intl
28h 20m
1 stop
MAA5:20 amChennai
Nov 13
MAA8:40 pmChennai
26h 20m
2 stops
ORD11:30 amChicago O'Hare Intl
Air India
Oct 27
ORD2:30 pmChicago O'Hare Intl
21h 55m
1 stop
MAA10:55 pmChennai
Nov 13
MAA6:00 amChennai
41h 00m
2 stops
ORD11:30 amChicago O'Hare Intl

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 22
ORD4:54 pmChicago O'Hare Intl
25h 51m
2 stops
MAA5:15 amChennai
Oct 6
MAA3:45 pmChennai
28h 12m
2 stops
ORD9:27 amChicago O'Hare Intl
American Airlines
Sep 22
ORD4:54 pmChicago O'Hare Intl
25h 51m
2 stops
MAA5:15 amChennai
Sep 25
MAA5:50 pmChennai
29h 21m
2 stops
ORD12:41 pmChicago O'Hare Intl
American Airlines
Sep 18
ORD1:02 pmChicago O'Hare Intl
29h 43m
2 stops
MAA5:15 amChennai
Oct 4
MAA3:45 pmChennai
28h 00m
2 stops
ORD9:15 amChicago O'Hare Intl

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 septiembre 17, 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

mar. 10/21

7:40 pm-9:10 am

1 stop27h 00m

Chennai

mar. 11/11

9:50 pm-2:30 pm

1 stop28h 10m

$756

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

jue. 11/6

6:50 pm-9:10 am

1 stop26h 50m

Chennai

jue. 4/30

4:20 am-3:05 pm

1 stop21h 15m

$761

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

dom. 9/28

1:55 pm-8:30 am

1 stop32h 05m

Chennai

mar. 10/14

4:25 am-8:45 am

1 stop38h 50m

$762

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

vie. 10/24

1:55 pm-8:10 am

1 stop31h 45m

Chennai

lun. 11/3

9:40 pm-7:55 am

1 stop21h 45m

$763

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

lun. 10/6

4:55 pm-3:30 am

1 stop24h 05m

Chennai

mar. 10/14

5:35 am-1:50 pm

1 stop42h 45m

$764

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

mar. 10/21

9:15 pm-3:30 am

1 stop19h 45m

Chennai

jue. 11/13

7:35 am-6:45 pm

1 stop22h 40m

$765

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

mar. 10/21

1:35 pm-3:30 pm

2 stops39h 25m

Chennai

mar. 11/11

8:40 pm-11:30 am

2 stops26h 20m

$778

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

lun. 10/27

2:30 pm-5:20 am

1 stop28h 20m

Chennai

jue. 11/13

8:40 pm-11:30 am

2 stops26h 20m

$780

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

mar. 11/18

6:35 pm-12:05 am

2 stops42h 00m

Chennai

mar. 4/7

1:55 am-2:45 pm

1 stop23h 20m

$817

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

vie. 10/24

6:35 pm-12:10 am

1 stop19h 05m

Chennai

jue. 10/30

1:50 am-9:05 pm

1 stop29h 45m

$820

Flights are sorted by cheapest round-trip flights first.

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

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 $809. 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 $844.

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 Wednesday will generally be more expensive and average around $1,401. 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 $1,070 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 $950 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 September 2025, prices for Chicago O'Hare Intl Airport to Chennai flights are approximately 20% 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.
  • 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 05m.

  • 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
Air IndiaPriceFrom $695Free CancellationRating
5.5
2,932 reviews
Search Air India flights
EmiratesPriceFrom $727Free CancellationRating
8.1
3,339 reviews
Search Emirates flights
Etihad AirwaysPriceFrom $767Free CancellationRating
7.4
1,251 reviews
Search Etihad Airways flights
Qatar AirwaysPriceFrom $801Free CancellationRating
7.4
3,622 reviews
Search Qatar Airways flights
British AirwaysPriceFrom $804Free CancellationRating
6.7
7,367 reviews
Search British Airways flights
LufthansaPriceFrom $832Free CancellationRating
6.8
7,409 reviews
Search Lufthansa flights
Oman AirPriceFrom $1,019Free CancellationRating
8.3
93 reviews
Search Oman Air flights
IndiGoPriceFrom $1,053Free CancellationRating
6.9
484 reviews
Search IndiGo flights
Ethiopian AirPriceFrom $1,069Free CancellationRating
7.2
862 reviews
Search Ethiopian Air flights
SWISSPriceFrom $1,088Free CancellationRating
7.6
1,737 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.

An easier way to manage your Chennai 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
vie. 10/17
vie. 10/24

Find better results for your trip to India