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$361+ 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 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — MAA
ago. 31 — sep. 71
dom. 8/31
dom. 9/7
1 adult, Economy
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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 agosto 26, 2025.

Round-trip from

$816
(Booking.com)

One-way from

$361
(Kiwi.com)

Popular in

December

Cheapest in

April

Average price

$955

Good round-trip deal

$1,180 or less
From Illinois to Chennai
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One-way flight from Illinois to Chennai
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Highest demand for flights based on searches. 14% potential increase in price ($174 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($46 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Illinois to Chennai.
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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 agosto 26, 2025.

This Gotogate deal was found by Cheapflights users on 8/26. 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.
lun. 9/298:40 amORD - MAA
2 stops29h 00mMultiple Airlines
sáb. 10/111:55 amMAA - ORD
1 stop21h 30mMultiple Airlines
Deal found 8/26$817
This British Airways deal was found by Cheapflights users on 8/26. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/214:28 pmORD - MAA
2 stops24h 32mBritish Airways
jue. 11/137:35 amMAA - ORD
1 stop41h 45mBritish Airways
Deal found 8/26$818
This Indian Eagle deal was found by Cheapflights users on 8/25. 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.
dom. 10/124:00 pmORD - MAA
1 stop21h 40mLufthansa
jue. 11/131:50 amMAA - ORD
1 stop25h 00mLufthansa
Deal found 8/25$819
This Indian Eagle deal was found by Cheapflights users on 8/25. 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.
lun. 9/223:05 pmORD - MAA
1 stop22h 35mLufthansa
lun. 10/61:55 amMAA - ORD
1 stop28h 30mLufthansa
Deal found 8/25$820
This British Airways deal was found by Cheapflights users on 8/25. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/44:10 pmORD - MAA
2 stops24h 50mBritish Airways
mié. 10/155:35 amMAA - ORD
1 stop23h 10mBritish Airways
Deal found 8/25$823
This British Airways deal was found by Cheapflights users on 8/26. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/104:45 pmORD - MAA
2 stops24h 15mBritish Airways
mié. 10/225:35 amMAA - ORD
1 stop23h 10mBritish Airways
Deal found 8/26$824
This oojo deal was found by Cheapflights users on 8/25. 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.
mié. 9/31:36 pmORD - MAA
2 stops39h 24mAir India
mar. 9/165:30 pmMAA - ORD
1 stop24h 50mAir India
Deal found 8/25$825
This oojo deal was found by Cheapflights users on 8/25. 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.
mar. 10/211:55 pmORD - MAA
1 stop32h 05mEtihad Airways
sáb. 11/83:55 amMAA - ORD
1 stop39h 30mEtihad Airways
Deal found 8/25$828
This British Airways deal was found by Cheapflights users on 8/25. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/224:55 pmORD - MAA
1 stop24h 05mBritish Airways
mar. 10/75:35 amMAA - ORD
2 stops27h 49mBritish Airways
Deal found 8/25$829
This Indian Eagle deal was found by Cheapflights users on 8/25. 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.
jue. 10/239:45 pmORD - MAA
2 stops39h 55mLufthansa
jue. 11/61:50 amMAA - ORD
1 stop22h 50mLufthansa
Deal found 8/25$831
This British Airways deal was found by Cheapflights users on 8/25. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/57:15 pmORD - MAA
1 stop21h 45mBritish Airways
vie. 10/35:35 amMAA - ORD
1 stop23h 10mBritish Airways
Deal found 8/25$834
This Indian Eagle deal was found by Cheapflights users on 8/25. 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.
mié. 9/243:30 pmSTL - MAA
2 stops30h 55mLufthansa
mar. 9/301:55 amMAA - STL
1 stop22h 05mLufthansa
Deal found 8/25$1,173

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 agosto 26, 2025.
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

mar. 10/21

4:28 pm-3:30 am

2 stops24h 32m

Chennai

jue. 11/13

7:35 am-1:50 pm

1 stop41h 45m

$818

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

jue. 9/4

4:10 pm-3:30 am

2 stops24h 50m

Chennai

mié. 10/15

5:35 am-6:15 pm

1 stop23h 10m

$823

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

mié. 9/10

4:45 pm-3:30 am

2 stops24h 15m

Chennai

mié. 10/22

5:35 am-6:15 pm

1 stop23h 10m

$824

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

sáb. 9/6

9:15 pm-3:30 am

1 stop19h 45m

Chennai

vie. 10/3

5:35 am-6:15 pm

1 stop23h 10m

$834

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

vie. 9/5

7:15 pm-3:30 am

1 stop21h 45m

Chennai

vie. 10/3

5:35 am-6:15 pm

1 stop23h 10m

$834

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

dom. 9/7

7:15 pm-3:30 am

1 stop21h 45m

Chennai

vie. 10/3

5:35 am-6:15 pm

1 stop23h 10m

$834

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

mar. 9/23

10:40 am-12:10 am

2 stops27h 00m

Chennai

mar. 10/7

1:55 am-12:55 pm

1 stop21h 30m

$835

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

lun. 9/29

4:00 pm-12:10 am

1 stop21h 40m

Chennai

sáb. 10/11

1:55 am-12:55 pm

1 stop21h 30m

$835

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

jue. 10/9

10:30 pm-12:10 am

1 stop39h 10m

Chennai

sáb. 11/22

1:50 am-1:10 pm

1 stop22h 50m

$839

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

dom. 10/26

10:45 pm-5:35 am

1 stop20h 20m

Chennai

mar. 12/2

7:35 am-6:45 pm

1 stop22h 40m

$839

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/24

Showing 1-10 of 46 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, September is the cheapest month in which you can book a flight from Illinois to Chennai (average of $943). Flying from Illinois to Chennai in December is currently the most expensive (average of $1,531). 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 agosto 26, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Chennai as you normally would.

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 10m. The distance between Illinois and Chennai is about 8804 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 American Airlines, which is currently one of the cheapest options available, starting at $396. Air Canada flights start at $727 while deals on Lufthansa start at $738 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.

  • What are the cheapest flights from Illinois to Chennai?

    On average you can expect to pay $1,326 for a flight from Illinois to Chennai. The cheapest flight overall is $1,157 while the most popular route, (Chicago O'Hare Intl - Chennai) is currently priced at $674.

  • 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, September is the cheapest month in which you can book a flight from Illinois to Chennai (average of $943). Flying from Illinois to Chennai in December is currently the most expensive (average of $1,531). 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

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Illinois to Chennai

Discover the top 10 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 agosto 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest$646Average$753FlexibilityNo cancel feeOn-time72%
Air IndiaCheapest$696Average$901FlexibilityNo cancel feeOn-timeN/A
EmiratesCheapest$727Average$1,257FlexibilityNo cancel feeOn-time75%
Etihad AirwaysCheapest$764Average$1,066FlexibilityNo cancel feeOn-time75%
Qatar AirwaysCheapest$809Average$1,259FlexibilityNo cancel feeOn-time68%
LufthansaCheapest$832Average$1,240FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$852Average$1,356FlexibilityNo cancel feeOn-time70%
Oman AirCheapest$1,019Average$1,398FlexibilityNo cancel feeOn-time76%
IndiGoCheapest$1,031Average$1,256FlexibilityNo cancel feeOn-time80%
Ethiopian AirCheapest$1,069Average$1,659FlexibilityNo cancel feeOn-time72%

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