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$362+ 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 2/19. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — MAA
Feb 21 — Feb 281
Sat 2/21
Sat 2/28
1 adult, Economy
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Cheap 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 22, 2026.

This Indian Eagle deal was found by Cheapflights users on 1/21. 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.
Fri 2/271:30 pm
ORD
-
MAA
1 stop35h 55m
Air India
Sat 3/74:20 pm
MAA
-
ORD
2 stops30h 40m
Air India
Deal found 1/21$711
This oojo deal was found by Cheapflights users on 1/21. 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.
Thu 3/51:10 pm
ORD
-
MAA
1 stop19h 15m
Etihad Airways
Fri 3/133:45 pm
MAA
-
ORD
1 stop27h 20m
Etihad Airways
Deal found 1/21$716
This oojo deal was found by Cheapflights users on 1/22. 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.
Sun 3/82:10 pm
ORD
-
MAA
1 stop31h 30m
Etihad Airways
Tue 3/1710:00 am
MAA
-
ORD
1 stop33h 05m
Etihad Airways
Deal found 1/22$722
This FlightHub deal was found by Cheapflights users on 1/22. 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.
Tue 3/106:04 am
ORD
-
MAA
2 stops27h 36m
Multiple Airlines
Tue 4/74:20 pm
MAA
-
ORD
2 stops29h 20m
Multiple Airlines
Deal found 1/22$725
This Indian Eagle deal was found by Cheapflights users on 1/21. 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 2/11:30 pm
ORD
-
MAA
1 stop21h 40m
Air India
Tue 2/104:20 pm
MAA
-
ORD
2 stops30h 40m
Air India
Deal found 1/21$726
This Indian Eagle deal was found by Cheapflights users on 1/21. 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 2/11:30 pm
ORD
-
MAA
1 stop21h 40m
Air India
Thu 2/122:30 pm
MAA
-
ORD
2 stops32h 30m
Air India
Deal found 1/21$728
This Air India deal was found by Cheapflights users on 1/19. 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 3/182:30 pm
ORD
-
MAA
1 stop27h 55m
Air India
Sun 3/294:20 pm
MAA
-
ORD
1 stop29h 20m
Air India
Deal found 1/19$730
This oojo deal was found by Cheapflights users on 1/20. 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.
Wed 5/61:10 pm
ORD
-
MAA
1 stop23h 00m
Air India
Thu 5/212:30 pm
MAA
-
ORD
2 stops31h 10m
Air India
Deal found 1/20$731
This Indian Eagle deal was found by Cheapflights users on 1/21. 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 3/291:10 pm
ORD
-
MAA
1 stop23h 00m
Air India
Sun 4/58:40 pm
MAA
-
ORD
2 stops25h 00m
Air India
Deal found 1/21$733
This oojo deal was found by Cheapflights users on 1/20. 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.
Wed 2/41:10 pm
ORD
-
MAA
1 stop19h 15m
Etihad Airways
Thu 2/194:10 pm
MAA
-
ORD
1 stop26h 55m
Etihad Airways
Deal found 1/20$736
This Gotogate deal was found by Cheapflights users on 1/20. 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 2/191:10 pm
ORD
-
MAA
1 stop19h 15m
Etihad Airways
Sat 3/214:10 pm
MAA
-
ORD
1 stop26h 55m
Etihad Airways
Deal found 1/20$737
This Etihad Airways deal was found by Cheapflights users on 1/22. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/229:13 am
STL
-
MAA
2 stops24h 27m
Multiple Airlines
Sun 5/39:55 pm
MAA
-
STL
2 stops30h 39m
Multiple Airlines
Deal found 1/22$932

Find 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 22, 2026.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$711
(Indian Eagle)

One-way from

$362
(CheapOair)

Popular in

December

Cheapest in

April

Average price

$952
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. 7% potential increase in price ($76 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($39 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 22, 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

Mon 2/16

2:35 pm-12:35 am

1 stop22h 30m

Chennai

Sat 5/2

12:50 am-2:25 pm

1 stop24h 05m

$835

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Fri 3/20

3:35 pm-12:35 am

1 stop22h 30m

Chennai

Tue 3/31

12:50 am-2:25 pm

1 stop24h 05m

$835

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Fri 2/13

1:30 pm-3:05 pm

1 stop38h 05m

Chennai

Sun 3/1

6:55 am-11:30 am

1 stop40h 05m

$851

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Wed 4/22

9:13 am-8:10 pm

2 stops24h 27m

Chennai

Sun 5/3

9:55 pm-6:04 pm

2 stops30h 39m

$932

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Fri 4/24

9:13 am-8:10 pm

2 stops24h 27m

Chennai

Sun 5/3

9:55 pm-7:30 pm

2 stops32h 05m

$933

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Tue 4/14

6:00 am-2:25 am

2 stops33h 55m

Chennai

Thu 4/30

9:55 pm-7:30 pm

2 stops32h 05m

$952

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Fri 2/20

8:00 am-2:30 am

2 stops31h 00m

Chennai

Sun 3/15

10:00 am-11:48 pm

2 stops48h 18m

$981

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Thu 2/19

2:19 pm-2:30 am

2 stops24h 41m

Chennai

Fri 2/27

4:05 am-12:33 pm

2 stops43h 58m

$1,020

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Wed 4/22

3:30 pm-12:10 am

1 stop22h 10m

Chennai

Sat 5/2

1:55 am-1:25 pm

1 stop22h 00m

$1,021

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Sun 2/15

4:10 pm-8:45 am

2 stops29h 05m

Chennai

Tue 5/5

8:40 pm-3:55 pm

2 stops29h 45m

$1,021

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 52 results
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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 $907). 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 22, 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.

How much does it cost to fly round-trip from Illinois to Chennai?

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 22h 30m. 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 $339 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 $907). 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

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Alternative routes for Illinois to Chennai

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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 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest$598Average$835FlexibilityNo cancel feeOn-time72%
Air IndiaCheapest$689Average$914FlexibilityNo cancel feeOn-timeN/A
Etihad AirwaysCheapest$736Average$1,031FlexibilityNo cancel feeOn-time75%
Qatar AirwaysCheapest$791Average$1,010FlexibilityNo cancel feeOn-time68%
British AirwaysCheapest$804Average$1,160FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$832Average$1,274FlexibilityNo cancel feeOn-time76%
EmiratesCheapest$913Average$1,338FlexibilityNo cancel feeOn-time75%
IndiGoCheapest$917Average$1,184FlexibilityNo cancel feeOn-time80%
SWISSCheapest$1,058Average$1,217FlexibilityNo cancel feeOn-time79%

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