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$415+ 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 7/16. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — MAA
Jul 6 — Jul 131
Sun 7/6
Sun 7/13
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 July 1, 2025.

Round-trip from

$854
(KAYAK)

One-way from

$415
(Trip.com)

Popular in

December

Cheapest in

September

Average price

$1,316

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. 13% potential increase in price ($169 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($44 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 1, 2025.

This KAYAK deal was found by Cheapflights users on 6/29. 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 8/2212:15 pmORD - MAA
1 stop25h 10mAir India
Thu 9/188:40 pmMAA - ORD
1 stop21h 15mAir India
Deal found 6/29$854
This Lufthansa deal was found by Cheapflights users on 6/30. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/268:08 pmORD - MAA
2 stops41h 32mLufthansa
Sun 9/76:40 amMAA - ORD
2 stops40h 20mLufthansa
Deal found 6/30$855
This EaseMyTrip deal was found by Cheapflights users on 6/30. 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 EaseMyTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/187:50 pmORD - MAA
2 stops33h 40mIndiGo
Sat 9/273:00 pmMAA - ORD
2 stops37h 25mIndiGo
Deal found 6/30$856
This Mytrip deal was found by Cheapflights users on 7/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/241:55 pmORD - MAA
3 stops25h 10mMultiple Airlines
Sat 9/1312:45 pmMAA - ORD
2 stops30h 30mMultiple Airlines
Deal found 7/1$873
This Indian Eagle deal was found by Cheapflights users on 6/30. 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.
Sat 9/137:20 pmORD - MAA
1 stop21h 00mQatar Airways
Sun 11/23:45 amMAA - ORD
1 stop22h 15mQatar Airways
Deal found 6/30$874
This Etihad Airways deal was found by Cheapflights users on 7/1. 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.
Sun 8/241:55 pmORD - MAA
1 stop19h 45mEtihad Airways
Sun 9/143:45 pmMAA - ORD
1 stop27h 30mEtihad Airways
Deal found 7/1$880
This FlightHub deal was found by Cheapflights users on 6/30. 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.
Mon 9/151:03 pmSTL - MAA
2 stops27h 17mQatar Airways
Mon 9/224:20 amMAA - STL
2 stops30h 09mQatar Airways
Deal found 6/30$1,147
This Air Canada deal was found by Cheapflights users on 7/1. 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 Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/204:05 pmSTL - MAA
2 stops45h 35mAir Canada
Mon 10/131:55 amMAA - STL
2 stops28h 32mAir Canada
Deal found 7/1$1,259
This Trip.com deal was found by Cheapflights users on 7/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/156:20 amMDW - MAA
2 stops33h 50mMultiple Airlines
Fri 8/224:25 amMAA - MDW
2 stops29h 32mMultiple Airlines
Deal found 7/1$1,297
This Indian Eagle deal was found by Cheapflights users on 6/30. 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.
Mon 7/141:20 pmSTL - MAA
3 stops33h 05mLufthansa
Mon 7/217:50 pmMAA - STL
3 stops30h 27mLufthansa
Deal found 6/30$1,354
This KAYAK deal was found by Cheapflights users on 6/30. 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.
Mon 9/153:59 pmSTL - MAA
2 stops25h 01mBritish Airways
Mon 9/227:30 pmMAA - STL
3 stops36h 53mBritish Airways
Deal found 6/30$1,504
This Booking.com deal was found by Cheapflights users on 6/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/174:05 pmSTL - MAA
3 stops29h 20mMultiple Airlines
Sun 11/231:50 amMAA - STL
2 stops49h 09mMultiple Airlines
Deal found 6/30$1,508

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 July 1, 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

Fri 8/22

12:15 pm-11:55 pm

1 stop25h 10m

Chennai

Thu 9/18

8:40 pm-7:25 am

1 stop21h 15m

$854

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Tue 8/26

8:08 pm-12:10 am

2 stops41h 32m

Chennai

Sun 9/7

6:40 am-12:30 pm

2 stops40h 20m

$855

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Thu 9/18

7:50 pm-4:00 pm

2 stops33h 40m

Chennai

Sat 9/27

3:00 pm-5:55 pm

2 stops37h 25m

$856

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Sun 8/24

1:55 pm-1:35 am

3 stops25h 10m

Chennai

Sat 9/13

12:45 pm-8:45 am

2 stops30h 30m

$873

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Sat 9/13

7:20 pm-9:10 am

1 stop27h 20m

Chennai

Mon 11/3

9:50 pm-2:30 pm

1 stop28h 10m

$874

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Sun 8/24

1:55 pm-8:10 pm

1 stop19h 45m

Chennai

Sat 9/13

4:35 pm-8:45 am

1 stop26h 40m

$880

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Mon 9/15

1:03 pm-2:50 am

2 stops27h 17m

Chennai

Mon 9/22

4:20 am-11:59 pm

2 stops30h 09m

$1,147

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Sat 9/20

4:05 pm-12:10 am

2 stops45h 35m

Chennai

Mon 10/13

1:55 am-7:57 pm

2 stops28h 32m

$1,259

ChicagoChennai

MDW - MAA

MDWMAA

Chicago Midway

Fri 8/15

6:20 am-2:40 am

2 stops33h 50m

Chennai

Fri 8/22

4:25 am-11:27 pm

2 stops29h 32m

$1,297

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Mon 7/14

1:20 pm-8:55 am

3 stops33h 05m

Chennai

Mon 7/21

7:50 pm-3:47 pm

3 stops30h 27m

$1,354

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Showing 1-10 of 22 results
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2
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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 July 1, 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.

Reviews of airlines servicing Chennai

Get insights into the airlines that provide service to Chennai. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Chennai. Reviews last updated July 1, 2025.
Get a feel of what it's like to fly with Qatar Airways, Etihad Airways, and Turkish Airlines from Illinois to Chennai by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Qatar Airways
7.4
Good
3,593 reviews

Crew

7.9

Boarding

7.5

Food

7.3

Overall

7.4

Entertainment

7.4

Comfort

7.4

Reviews

1 / 20
10.0
Excellent

fa,May 2025

PHL - DOH

The best,the staff was experienced,cheerful, professional,I will use from now on more frequently American airlines
Qatar Airways
7.4
Good
3,593 reviews
Qatar Airways
7.4
Good
3,593 reviews

Crew

7.9

Boarding

7.5

Food

7.3

Overall

7.4

Entertainment

7.4

Comfort

7.4

Reviews

1 / 20
10.0
Excellent

fa,May 2025

PHL - DOH

The best,the staff was experienced,cheerful, professional,I will use from now on more frequently American airlines
Etihad Airways
7.4
Good
1,224 reviews
Qatar Airways
7.4
Good
3,593 reviews

Crew

7.9

Boarding

7.5

Food

7.3

Overall

7.4

Entertainment

7.4

Comfort

7.4

Reviews

1 / 20
10.0
Excellent

fa,May 2025

PHL - DOH

The best,the staff was experienced,cheerful, professional,I will use from now on more frequently American airlines
Turkish Airlines
7.3
Good
3,886 reviews
Qatar Airways
7.4
Good
3,593 reviews

Crew

7.9

Boarding

7.5

Food

7.3

Overall

7.4

Entertainment

7.4

Comfort

7.4

Reviews

1 / 20
10.0
Excellent

fa,May 2025

PHL - DOH

The best,the staff was experienced,cheerful, professional,I will use from now on more frequently American airlines
American Airlines
7.2
Good
10,000 reviews
Qatar Airways
7.4
Good
3,593 reviews

Crew

7.9

Boarding

7.5

Food

7.3

Overall

7.4

Entertainment

7.4

Comfort

7.4

Reviews

1 / 20
10.0
Excellent

fa,May 2025

PHL - DOH

The best,the staff was experienced,cheerful, professional,I will use from now on more frequently American airlines
Air Canada
7.1
Good
9,665 reviews
Qatar Airways
7.4
Good
3,593 reviews

Crew

7.9

Boarding

7.5

Food

7.3

Overall

7.4

Entertainment

7.4

Comfort

7.4

Reviews

1 / 20
10.0
Excellent

fa,May 2025

PHL - DOH

The best,the staff was experienced,cheerful, professional,I will use from now on more frequently American airlines

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.

  • 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 $424. American Airlines flights start at $429 while deals on Qatar Airways start at $483 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 $681.

  • 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 Illinois?

Book flights to Illinois 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 July 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest$646Average$753FlexibilityNo cancel feeOn-time72%
Air IndiaCheapest$698Average$922FlexibilityNo cancel feeOn-timeN/A
EmiratesCheapest$727Average$1,259FlexibilityNo cancel feeOn-time75%
Etihad AirwaysCheapest$763Average$1,020FlexibilityNo cancel feeOn-time75%
Qatar AirwaysCheapest$808Average$1,213FlexibilityNo cancel feeOn-time68%
LufthansaCheapest$826Average$1,225FlexibilityNo cancel feeOn-time76%
Oman AirCheapest$1,019Average$1,398FlexibilityNo cancel feeOn-time76%
IndiGoCheapest$1,031Average$1,262FlexibilityNo cancel feeOn-time80%
British AirwaysCheapest$1,062Average$1,617FlexibilityNo cancel feeOn-time70%
Ethiopian AirCheapest$1,069Average$1,548FlexibilityNo cancel feeOn-time72%

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