How does KAYAK find such low prices on flights from Illinois to Chennai?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Chennai. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Chennai?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chennai from Illinois is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Illinois to Chennai?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Chennai with an airline and back to Illinois with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Chennai?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Chennai from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$363 CHEAP FLIGHTS from Illinois to Chennai

MAA

KAYAK searches hundreds of travel sites at once for deals on flights to Chennai

...and more

Travelers love KAYAK

41,299,237 searches in the past 7 days on KAYAK

Save 23% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Cheapest round-trip

$723

Overall average: $857

Air India

Fri 2/13Sun 3/1

ORD - MAA • 1 stop

Cheapest one-way

$363

Typical prices: $383-$613

Cathay Pacific

Tue 2/3

ORD - MAA • 1 stop

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Chennai!

Flight Deals

Cheap Flights from Illinois to Chennai

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Illinois to Chennai that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Illinois to Chennai

Fri, Feb 13 - Sun, Mar 1

1:30 pm - 10:40 pm

ORD

MAA

21h 40m

1 stop

9:40 pm - 11:30 am

MAA

ORD

25h 20m

2 stops

$723Air India

Wed, Mar 4 - Thu, May 28

1:10 pm - 7:55 pm

ORD

MAA

19h 15m

1 stop

4:35 pm - 8:45 am

MAA

ORD

26h 40m

1 stop

$725Etihad Airways

Wed, Jan 28 - Tue, Feb 10

1:10 pm - 2:30 am

ORD

MAA

25h 50m

1 stop

10:00 am - 7:35 am

MAA

ORD

33h 05m

1 stop

$726Etihad Airways

Fri, Feb 27 - Fri, Mar 6

8:00 am - 7:55 pm

STL

MAA

24h 25m

2 stops

3:45 pm - 6:00 pm

MAA

STL

37h 45m

2 stops

$970Multiple Airlines

Tue, Jan 27 - Mon, Feb 16

6:00 am - 8:10 am

STL

MAA

38h 40m

2 stops

4:10 pm - 5:58 pm

MAA

STL

37h 18m

2 stops

$973Multiple Airlines

Wed, Jan 28 - Thu, Feb 12

2:54 pm - 2:20 am

STL

MAA

23h 56m

2 stops

3:40 am - 11:35 pm

MAA

STL

31h 25m

2 stops

$981Qatar Airways

Thu, Jan 29 - Thu, Feb 12

9:33 am - 2:20 am

STL

MAA

29h 17m

2 stops

3:40 am - 11:35 pm

MAA

STL

31h 25m

2 stops

$991Qatar Airways

Fri, Jun 12 - Sun, Jul 19

10:55 am - 8:45 am

PIA

MAA

35h 20m

3 stops

6:15 am - 8:46 pm

MAA

PIA

49h 01m

3 stops

$1,334Lufthansa

Fri, Jun 12 - Sat, Jul 18

10:55 am - 8:45 am

PIA

MAA

35h 20m

3 stops

1:55 am - 8:46 pm

MAA

PIA

29h 21m

2 stops

$1,434Lufthansa

Fri, May 15 - Fri, May 22

1:00 pm - 3:30 am

MDW

MAA

28h 00m

2 stops

5:35 am - 9:45 pm

MAA

MDW

50h 40m

2 stops

$8,935British Airways

Useful Info

Low season	September
High season	June
Cheapest flight	$363

Best time to beat the crowds with an average 13% drop in price.

Most popular time to fly with an average 25% increase in price.

Flight from Chicago O'Hare Airport to Chennai

How does KAYAK find such low prices on flights from Illinois to Chennai?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Chennai.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Chennai?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chennai from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Illinois to Chennai?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Chennai with an airline and back to Illinois with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Chennai?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Chennai from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Vellore

Everything you need to know for your flight to Chennai

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in Chennai

Chennai (MAA)

MAA

$363 Find Cheap Flights from Illinois to Chennai

KAYAK searches hundreds of travel sites at once for deals on flights to Chennai

Everything you should know

Cheap Flights from Illinois to Chennai

Recent round-trip flight deals from Illinois to Chennai

Recent one-way flight deals from Illinois to Chennai

Recent last minute flight deals from Illinois to Chennai

Good to know

FAQs for booking flights from Illinois to Chennai

How does KAYAK find such low prices on flights from Illinois to Chennai?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Chennai.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Chennai?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chennai from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Illinois to Chennai?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Chennai with an airline and back to Illinois with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Chennai?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Chennai from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near Chennai?

Everything you need to know for your flight to Chennai

Information on the airport you'll fly into in Chennai

Cabin class types available on flights to Illinois

Complete your trip to Chennai with a hotel stay or car rental

Find direct flights for Chennai

Flights to other popular destinations

Flights from domestic origins to Chennai

Choose which airport to fly into in Chennai

Find deals for your return flight