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Cheap flights from Chennai to Illinois from ₹ 38,349

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 24/2. Fares are subject to change and may not be available on all flights or dates of travel.
MAA — ORD
14 Mar — 21 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Chennai to Illinois

Enter your travel dates to find the best prices.

Cheapest flights from Chennai to Illinois
Explore the most affordable flight options available from Chennai to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 February 2026.

Wed 4/315:25
MAA
-
ORD
1 stop27h 40m
Etihad Airways
Thu 23/414:00
ORD
-
MAA
1 stop19h 40m
Etihad Airways
Deal found 10/2₹ 68,266
Wed 18/321:40
MAA
-
ORD
1 stop21h 25m
Etihad Airways
Wed 25/314:10
ORD
-
MAA
1 stop19h 15m
Etihad Airways
Deal found 11/2₹ 68,629
Mon 16/221:30
MAA
-
ORD
2 stops29h 10m
Air France
Tue 24/217:20
ORD
-
MAA
2 stops25h 45m
Air France
Deal found 9/2₹ 68,810
Wed 4/315:25
MAA
-
ORD
1 stop27h 40m
Multiple Airlines
Wed 12/816:00
ORD
-
MAA
1 stop45h 05m
Multiple Airlines
Deal found 9/2₹ 68,901
Wed 10/616:35
MAA
-
ORD
1 stop26h 30m
Multiple Airlines
Wed 12/816:00
ORD
-
MAA
1 stop45h 05m
Multiple Airlines
Deal found 9/2₹ 68,991
Wed 25/303:55
MAA
-
ORD
1 stop39h 10m
Etihad Airways
Sun 12/414:00
ORD
-
MAA
1 stop25h 55m
Etihad Airways
Deal found 9/2₹ 69,082
Wed 18/321:40
MAA
-
ORD
1 stop21h 25m
Etihad Airways
Fri 17/414:00
ORD
-
MAA
1 stop19h 40m
Etihad Airways
Deal found 11/2₹ 69,173
Mon 23/315:25
MAA
-
ORD
1 stop27h 40m
Etihad Airways
Wed 19/814:00
ORD
-
MAA
1 stop31h 55m
Etihad Airways
Deal found 10/2₹ 69,354
Wed 15/416:35
MAA
-
ORD
1 stop26h 30m
Etihad Airways
Wed 7/1014:00
ORD
-
MAA
1 stop31h 55m
Etihad Airways
Deal found 10/2₹ 69,445
Wed 11/315:25
MAA
-
ORD
1 stop27h 40m
Etihad Airways
Thu 30/414:00
ORD
-
MAA
1 stop25h 55m
Etihad Airways
Deal found 9/2₹ 69,535
Sun 12/404:05
MAA
-
ORD
1 stop39h 00m
Etihad Airways
Sun 4/1014:00
ORD
-
MAA
1 stop38h 35m
Etihad Airways
Deal found 11/2₹ 69,626
Tue 3/310:00
MAA
-
ORD
1 stop33h 05m
Etihad Airways
Tue 11/814:00
ORD
-
MAA
1 stop31h 55m
Etihad Airways
Deal found 11/2₹ 69,717

Find flight deals from Chennai to Illinois

Keep the following information in mind while searching for Chennai to Illinois flight deals. Data was last updated 12 February 2026.

Round-trip from

₹ 68,266

One-way from

₹ 38,349

Popular in

January

Cheapest in

October

Average price

₹ 81,774
Etihad Airways
  • Etihad Airways
  • 4/3-23/4
  • 2 total stops
  • 47h 20m total
  • Chennai to Illinois
Search Deals
Etihad Airways
  • Etihad Airways
  • 24/2
  • 1 total stop
  • 33h 05m total
  • Chennai to Illinois
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (₹ 258,136 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (₹ 177,026 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Chennai to Illinois 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 454,620 searches. Data last updated 12 February 2026.
Use the filters below to find and compare flights from Chennai to Illinois that are best for you.

Fly from

Chennai

Fly to

Illinois

Route

Depart

Return

Price

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Sat 21/2

19:05-15:15

2 stops31h 40m

Chicago O'Hare Intl

Sat 11/4

17:10-11:50

2 stops32h 10m

₹ 68,991

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Tue 3/3

10:00-07:35

1 stop33h 05m

Chicago O'Hare Intl

Sun 9/8

14:00-02:25

1 stop25h 55m

₹ 71,892

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Tue 3/3

10:00-07:35

1 stop33h 05m

Chicago O'Hare Intl

Sat 15/8

14:00-02:25

1 stop25h 55m

₹ 71,892

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Wed 4/3

15:25-07:35

1 stop27h 40m

Chicago O'Hare Intl

Fri 14/8

14:00-20:10

1 stop19h 40m

₹ 71,892

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Thu 23/4

16:35-08:35

1 stop26h 30m

Chicago O'Hare Intl

Tue 4/8

14:00-08:25

1 stop31h 55m

₹ 71,892

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Wed 29/4

04:20-15:05

1 stop21h 15m

Chicago O'Hare Intl

Thu 10/9

19:20-02:50

1 stop21h 00m

₹ 77,332

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Wed 17/6

10:15-08:35

1 stop32h 50m

Chicago O'Hare Intl

Tue 7/7

14:00-14:35

1 stop38h 05m

₹ 79,598

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Wed 17/6

10:15-08:35

1 stop32h 50m

Chicago O'Hare Intl

Wed 8/7

14:00-02:25

1 stop25h 55m

₹ 79,598

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Thu 23/4

16:35-08:35

1 stop26h 30m

Chicago O'Hare Intl

Fri 31/7

14:00-02:25

1 stop25h 55m

₹ 79,689

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Wed 29/4

03:55-15:05

1 stop21h 40m

Chicago O'Hare Intl

Fri 4/9

19:20-02:50

1 stop21h 00m

₹ 80,505

Flights are sorted by cheapest return flights first.

Deals found on 10/2

Showing 1-10 of 44 results
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Best time to book a flight from Chennai to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Chennai with our price prediction graph.
Estimated return 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 Chennai to Illinois

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

Currently, October is the cheapest month in which you can book a flight from Chennai to Illinois (average of ₹ 65,093). Flying from Chennai to Illinois in August is currently the most expensive (average of ₹ 94,648). 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.

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated 12 February 2026.
Check out reviews from past customers who have flown with Emirates, Qatar Airways, andEtihad Airways from Chennai to Illinois to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Emirates
8.1
Very Good
3,513 reviews
Check prices

Comfort

8.0

Entertainment

8.2

Boarding

8.1

Crew

8.3

Overall

8.1

Food

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

ATH - EWR

Smooth flight, good entertainment choices. Bad legroom in economy and mediocre food.
Emirates
8.1
Very Good
3,513 reviews
Emirates
8.1
Very Good
3,513 reviews
Check prices

Comfort

8.0

Entertainment

8.2

Boarding

8.1

Crew

8.3

Overall

8.1

Food

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

ATH - EWR

Smooth flight, good entertainment choices. Bad legroom in economy and mediocre food.
Qatar Airways
7.4
Good
3,731 reviews
Emirates
8.1
Very Good
3,513 reviews
Check prices

Comfort

8.0

Entertainment

8.2

Boarding

8.1

Crew

8.3

Overall

8.1

Food

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

ATH - EWR

Smooth flight, good entertainment choices. Bad legroom in economy and mediocre food.
Etihad Airways
7.3
Good
1,393 reviews
Emirates
8.1
Very Good
3,513 reviews
Check prices

Comfort

8.0

Entertainment

8.2

Boarding

8.1

Crew

8.3

Overall

8.1

Food

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

ATH - EWR

Smooth flight, good entertainment choices. Bad legroom in economy and mediocre food.
British Airways
6.7
Okay
7,733 reviews
Emirates
8.1
Very Good
3,513 reviews
Check prices

Comfort

8.0

Entertainment

8.2

Boarding

8.1

Crew

8.3

Overall

8.1

Food

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

ATH - EWR

Smooth flight, good entertainment choices. Bad legroom in economy and mediocre food.
Air India
5.5
Fair
2,968 reviews
Emirates
8.1
Very Good
3,513 reviews
Check prices

Comfort

8.0

Entertainment

8.2

Boarding

8.1

Crew

8.3

Overall

8.1

Food

7.9

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

ATH - EWR

Smooth flight, good entertainment choices. Bad legroom in economy and mediocre food.

Related info for your journey

Find useful and relevant information for your journey from Chennai to Illinois. 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 from for flights from Chennai to Illinois?

    Chennai (MAA) is the airport you will fly out of if you book a flight from Chennai to Illinois. It is only a 16.5 km journey to Chennai (MAA) from Chennai’s city centre.

  • How long is the flight from Chennai to Illinois?

    For as low as ₹ 115,046, Etihad Airways can have you in Illinois from Chennai in 22h. Chennai and Illinois are separated by a distance of 14169 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    The cheapet airlines for a one-way flight from Chennai to Illinois are Air India (₹ 33,494), Etihad Airways (₹ 36,194), and Emirates (₹ 37,288).

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

    When deciding which route to take from Chennai to Illinois, consider Chennai - Chicago O'Hare Intl, Chennai - Lambert-St Louis or Chennai - Chicago Midway, as they are the most popular.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Chennai to Illinois 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 Chennai to Illinois?

    Currently, October is the cheapest month in which you can book a flight from Chennai to Illinois (average of ₹ 65,093). Flying from Chennai to Illinois in August is currently the most expensive (average of ₹ 94,648). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Chennai to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Chennai to Illinois

Discover the top 6 airlines that operate flights from Chennai to Illinois. 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 454,620 searches. Data last updated 12 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Etihad AirwaysCheapest₹ 70,211Average₹ 91,542FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Air IndiaCheapest₹ 72,807Average₹ 97,955FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Qatar AirwaysCheapest₹ 81,834Average₹ 101,358FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
LufthansaCheapest₹ 81,848Average₹ 94,882FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapest₹ 88,095Average₹ 102,212FlexibilityNo cancel feeOn-time70%
Search British Airways flights
EmiratesCheapest₹ 89,276Average₹ 103,830FlexibilityNo cancel feeOn-time75%
Search Emirates flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Chennai to Illinois?

Cheapflights makes it easy to find Chennai to Illinois flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Chennai to Illinois?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Chennai to Illinois.

Can Cheapflights find flights from Chennai to Illinois with no change fees?

Yes! Cheapflights helps users easily find flights from Chennai to Illinois with no change fees.

Can Cheapflights notify me if prices for flights from Chennai to Illinois become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Illinois from Chennai today and book when prices fit your budget.

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