HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Chennai

$352+ Cheap flights from Illinois to Chennai (MAA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/21. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — MAA
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Illinois to Chennai with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Illinois to Chennai

Keep the following information in mind while searching for Illinois to Chennai flight deals. Data was last updated January 8, 2026.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$725
(Gotogate)

One-way from

$352
(Etihad Airways)

Popular in

December

Cheapest in

April

Average price

$967
Provider with most accurate pricing for Chicago (CHI)-Chennai flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Chennai flights.
Search Deals
From Illinois to Chennai
Search Deals
One-way flight from Illinois to Chennai
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($74 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($38 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Find flight deals from Illinois to Chennai

Cheapest flights from Illinois to Chennai
Explore the most affordable flight options available from Illinois to Chennai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 8, 2026.

This Gotogate deal was found by Cheapflights users on 1/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/51:10 pmORD - MAA
1 stop25h 50mEtihad Airways
Thu 2/129:40 pmMAA - ORD
1 stop21h 25mEtihad Airways
Deal found 1/8$725
This oojo deal was found by Cheapflights users on 1/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/161:10 pmORD - MAA
1 stop25h 50mEtihad Airways
Tue 3/319:55 pmMAA - ORD
1 stop21h 20mEtihad Airways
Deal found 1/8$726
This Air India deal was found by Cheapflights users on 1/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air India is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/41:30 pmORD - MAA
1 stop21h 40mAir India
Sat 3/214:20 pmMAA - ORD
1 stop30h 40mAir India
Deal found 1/7$730
This KAYAK deal was found by Cheapflights users on 1/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/61:30 pmORD - MAA
1 stop27h 55mAir India
Sun 3/88:00 pmMAA - ORD
2 stops27h 00mAir India
Deal found 1/7$732
This Kiwi.com deal was found by Cheapflights users on 1/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/191:10 pmORD - MAA
1 stop19h 15mEtihad Airways
Tue 2/249:40 pmMAA - ORD
1 stop21h 25mEtihad Airways
Deal found 1/8$734
This Indian Eagle deal was found by Cheapflights users on 1/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/11:10 pmORD - MAA
1 stop19h 15mEtihad Airways
Tue 3/39:40 pmMAA - ORD
1 stop21h 25mEtihad Airways
Deal found 1/8$735
This Kiwi.com deal was found by Cheapflights users on 1/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/281:10 pmORD - MAA
1 stop19h 15mEtihad Airways
Mon 2/239:40 pmMAA - ORD
1 stop21h 25mEtihad Airways
Deal found 1/8$736
This Gotogate deal was found by Cheapflights users on 1/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/221:10 pmORD - MAA
1 stop19h 15mEtihad Airways
Sun 3/13:45 pmMAA - ORD
1 stop27h 20mEtihad Airways
Deal found 1/8$737
This Gotogate deal was found by Cheapflights users on 1/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/61:10 pmORD - MAA
1 stop31h 30mEtihad Airways
Thu 4/304:35 pmMAA - ORD
1 stop26h 40mEtihad Airways
Deal found 1/8$738
This Kiwi.com deal was found by Cheapflights users on 1/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/11:10 pmORD - MAA
1 stop38h 30mEtihad Airways
Fri 2/273:45 pmMAA - ORD
1 stop27h 20mEtihad Airways
Deal found 1/7$739
This FlightHub deal was found by Cheapflights users on 1/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/261:10 pmORD - MAA
1 stop19h 15mEtihad Airways
Wed 3/189:40 pmMAA - ORD
1 stop21h 25mEtihad Airways
Deal found 1/7$740
This KAYAK deal was found by Cheapflights users on 1/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/251:10 pmORD - MAA
1 stop19h 15mEtihad Airways
Sun 4/123:45 pmMAA - ORD
1 stop27h 30mEtihad Airways
Deal found 1/6$743

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois 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, Cheapflights users made 2,558,603 searches. Data last updated January 8, 2026.
Use the filters below to find and compare flights from Illinois to Chennai that are best for you.

Fly from

Illinois

Fly to

Chennai

Route

Depart

Return

Price

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Wed 3/4

1:30 pm-10:40 pm

1 stop21h 40m

Chennai

Sat 3/21

8:00 pm-12:30 pm

1 stop27h 00m

$730

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Thu 2/5

2:35 pm-12:35 am

1 stop22h 30m

Chennai

Sun 2/15

2:00 am-12:55 pm

1 stop22h 25m

$860

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Wed 5/6

8:35 pm-8:05 am

1 stop25h 00m

Chennai

Wed 7/15

4:05 am-3:45 pm

1 stop22h 10m

$969

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Mon 2/2

6:00 am-2:30 am

2 stops33h 00m

Chennai

Sun 2/8

3:25 am-10:59 pm

2 stops31h 04m

$973

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Mon 2/23

8:00 am-2:30 am

2 stops31h 00m

Chennai

Mon 3/23

10:00 am-9:11 pm

2 stops45h 41m

$973

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Wed 4/22

7:05 am-2:25 am

2 stops32h 50m

Chennai

Sun 5/3

10:15 am-1:22 pm

2 stops37h 37m

$973

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Wed 2/11

8:31 am-7:55 pm

2 stops23h 54m

Chennai

Sun 2/22

3:45 pm-6:00 pm

2 stops37h 45m

$973

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Wed 4/22

8:53 am-8:10 pm

2 stops24h 47m

Chennai

Sun 5/3

3:45 pm-6:04 pm

2 stops36h 49m

$975

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Tue 4/21

11:44 am-8:10 pm

2 stops21h 56m

Chennai

Sun 5/3

3:45 pm-6:04 pm

2 stops36h 49m

$985

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Wed 2/11

8:31 am-2:30 am

2 stops30h 29m

Chennai

Sun 2/22

3:25 am-11:56 pm

2 stops32h 01m

$991

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/8

Showing 1-10 of 54 results
1
2
3
...
6

Best time to book a flight from Illinois to Chennai

Have a flexible travel schedule? Discover the best time to fly to Chennai from Illinois with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Chennai

What is the cheapest month to book a flight from Illinois to Chennai?

Currently, January is the cheapest month in which you can book a flight from Illinois to Chennai (average of $652). Flying from Illinois to Chennai in June is currently the most expensive (average of $897). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IL to MAA?

Find hourly flight availability from Illinois to Chennai. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 8, 2026.

A simple way to save on the total cost of your ticket is to fly from Illinois to Chennai in the morning. If you’re flexible enough to do this you can expect to save up to 17% on your trip compared to booking a flight in the evening.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Chennai. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Chennai from Illinois?

    Most people fly into Chennai (MAA) if they book a flight to Chennai from Illinois. Chennai is conveniently located just 10.2 mi from Chennai’s city center.

  • How long is the flight from Illinois to Chennai?

    Departing from Illinois to Chennai will take you 21h 40m. The distance between Illinois and Chennai is about 8558 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Illinois to Chennai one-way?

    To fly one-way, consider booking your trip with Air India, which is currently one of the cheapest options available, starting at $300. Etihad Airways flights start at $342 while deals on American Airlines start at $394 one-way.

  • What are the most popular routes from Illinois to Chennai?

    While some choose either Lambert-St Louis - Chennai or Chicago Midway - Chennai, Chicago O'Hare Intl - Chennai is the most popular route from Illinois to Chennai.

  • Can I find deals for flights from Illinois to Chennai that include hotel bookings?

    Yes. In addition to deals on Illinois to Chennai flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Chennai?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Chennai.

  • Can I find deals for business class flights from Illinois to Chennai?

    Yes. Cheapflights offers flight deals from Illinois to Chennai by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Illinois to Chennai?

    Currently, January is the cheapest month in which you can book a flight from Illinois to Chennai (average of $652). Flying from Illinois to Chennai in June is currently the most expensive (average of $897). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Chennai?

Book flights to Chennai if you plan to visit one of these locations
Mahabalipuram
Vellore

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Illinois to Chennai

See prices for flight routes from nearby airports that may be better suited for you.
San Francisco to Chennai flights
John F Kennedy Intl to Chennai flights
Dallas/Fort Worth to Chennai flights
Newark to Chennai flights
O'Hare Intl to Chennai flights
Dulles Intl to Chennai flights
Seattle to Chennai flights
Reagan-National to Chennai flights
Baltimore to Chennai flights
LaGuardia to Chennai flights
Boston to Chennai flights
Austin to Chennai flights
Los Angeles to Chennai flights
Hobby to Chennai flights
George Bush Intcntl to Chennai flights
Atlanta to Chennai flights
Raleigh to Chennai flights
Santa Ana to Chennai flights
Detroit to Chennai flights
San Jose to Chennai flights
Burbank to Chennai flights
Ontario to Chennai flights
San Francisco to Coimbatore flights
Columbus to Chennai flights
Oakland to Chennai flights
Sky Harbor Intl to Chennai flights
Cincinnati to Chennai flights
Philadelphia to Chennai flights
Charlotte to Chennai flights
Tampa to Chennai flights
Newark to Coimbatore flights
Baltimore to Coimbatore flights
Pittsburgh to Chennai flights
Dulles Intl to Coimbatore flights
Orlando to Chennai flights
Minneapolis to Chennai flights
Denver to Chennai flights
John F Kennedy Intl to Coimbatore flights
Dallas/Fort Worth to Coimbatore flights
O'Hare Intl to Madurai flights
San Antonio to Chennai flights
Los Angeles to Coimbatore flights
Buffalo to Chennai flights
Cleveland to Chennai flights
Miami to Chennai flights
Seattle to Coimbatore flights
Kansas City to Chennai flights
Memphis to Chennai flights
Nashville to Chennai flights

Top 9 airlines flying from Illinois to Chennai

Discover the top 9 airlines that operate flights from Illinois to Chennai. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest$598Average$846FlexibilityNo cancel feeOn-time72%
Air IndiaCheapest$690Average$906FlexibilityNo cancel feeOn-timeN/A
Etihad AirwaysCheapest$740Average$1,032FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$763Average$1,151FlexibilityNo cancel feeOn-time70%
Qatar AirwaysCheapest$791Average$1,081FlexibilityNo cancel feeOn-time68%
LufthansaCheapest$833Average$1,303FlexibilityNo cancel feeOn-time76%
EmiratesCheapest$916Average$1,344FlexibilityNo cancel feeOn-time75%
IndiGoCheapest$945Average$1,185FlexibilityNo cancel feeOn-time80%
SWISSCheapest$1,058Average$1,217FlexibilityNo cancel feeOn-time79%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.