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Cheap flights from Chennai to Illinois from ₹ 47,157

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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
MAA — ORD
30 Apr — 7 May1
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 31 March 2026.

Mon 6/421:55
MAA
-
ORD
1 stop21h 50m
Etihad Airways
Mon 20/413:00
ORD
-
MAA
1 stop20h 45m
Etihad Airways
Deal found 26/3₹ 75,073
Sat 23/504:05
MAA
-
ORD
1 stop39h 00m
Etihad Airways
Sat 17/1021:10
ORD
-
MAA
1 stop24h 45m
Etihad Airways
Deal found 26/3₹ 75,450
Wed 22/421:55
MAA
-
ORD
1 stop21h 50m
Etihad Airways
Wed 22/721:10
ORD
-
MAA
1 stop24h 45m
Etihad Airways
Deal found 29/3₹ 75,545
Thu 23/704:05
MAA
-
ORD
1 stop22h 05m
Etihad Airways
Sun 17/113:10
ORD
-
MAA
1 stop19h 15m
Etihad Airways
Deal found 29/3₹ 75,639
Sat 9/504:05
MAA
-
ORD
1 stop39h 00m
Etihad Airways
Thu 5/1113:10
ORD
-
MAA
1 stop38h 30m
Etihad Airways
Deal found 30/3₹ 76,016
Thu 9/404:05
MAA
-
ORD
1 stop39h 40m
Etihad Airways
Fri 10/413:00
ORD
-
MAA
1 stop20h 45m
Etihad Airways
Deal found 26/3₹ 76,111
Mon 6/404:05
MAA
-
ORD
1 stop39h 40m
Etihad Airways
Wed 6/514:00
ORD
-
MAA
1 stop19h 40m
Etihad Airways
Deal found 27/3₹ 76,205
Fri 8/516:05
MAA
-
ORD
1 stop27h 00m
Etihad Airways
Wed 4/1113:10
ORD
-
MAA
1 stop25h 50m
Etihad Airways
Deal found 30/3₹ 76,299
Fri 8/516:05
MAA
-
ORD
1 stop27h 00m
Etihad Airways
Tue 3/1113:10
ORD
-
MAA
1 stop25h 50m
Etihad Airways
Deal found 30/3₹ 76,394
Wed 15/404:05
MAA
-
ORD
1 stop39h 40m
Etihad Airways
Mon 8/614:00
ORD
-
MAA
1 stop31h 55m
Etihad Airways
Deal found 29/3₹ 76,488
Sun 5/421:55
MAA
-
ORD
1 stop21h 50m
Etihad Airways
Tue 21/413:00
ORD
-
MAA
1 stop20h 45m
Etihad Airways
Deal found 26/3₹ 76,582
Thu 14/510:15
MAA
-
ORD
1 stop32h 50m
Etihad Airways
Sun 8/1113:10
ORD
-
MAA
1 stop25h 50m
Etihad Airways
Deal found 27/3₹ 76,676

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 31 March 2026.

Round-trip from

₹ 75,073

One-way from

₹ 47,157

Popular in

January

Cheapest in

October

Average price

₹ 88,937
Etihad Airways
  • Etihad Airways
  • 15/5-15/6
  • 2 total stops
  • 69h 20m total
  • Chennai to Illinois
Search Deals
Qatar Airways
  • Qatar Airways
  • 5/5
  • 1 total stop
  • 21h 15m total
  • Chennai to Illinois
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (₹ 449,880 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (₹ 191,166 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 31 March 2026.
Use the filters below to find and compare flights from Chennai to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Mon 4/5

16:05-08:35

1 stop27h 00m

Chicago O'Hare Intl

Tue 21/7

21:10-08:25

1 stop24h 45m

₹ 80,638

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Fri 1/5

10:15-08:35

1 stop32h 50m

Chicago O'Hare Intl

Mon 22/6

21:10-02:25

1 stop18h 45m

₹ 85,448

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Fri 1/5

16:05-08:35

1 stop27h 00m

Chicago O'Hare Intl

Thu 25/6

21:10-08:25

1 stop24h 45m

₹ 85,448
Fastest return journey

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Mon 4/5

16:05-08:35

1 stop27h 00m

Chicago O'Hare Intl

Tue 26/5

14:00-20:10

1 stop19h 40m

₹ 89,597

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Thu 14/5

16:05-18:04

2 stops36h 29m

Lambert-St Louis

Sun 18/10

07:35-20:10

2 stops26h 05m

₹ 91,767

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Mon 27/7

04:05-15:45

1 stop22h 10m

Chicago O'Hare Intl

Sun 16/8

20:35-08:05

1 stop25h 00m

₹ 92,521

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Thu 23/4

03:55-06:40

2 stops37h 15m

Chicago O'Hare Intl

Fri 1/5

16:36-02:50

2 stops23h 44m

₹ 110,063

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Sun 12/7

15:30-06:50

2 stops49h 50m

Chicago O'Hare Intl

Mon 23/11

18:50-06:30

2 stops48h 10m

₹ 111,101

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Sun 31/5

22:10-09:40

2 stops46h 00m

Chicago O'Hare Intl

Tue 14/7

20:10-12:00

2 stops29h 20m

₹ 111,195

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Thu 7/5

22:30-18:15

2 stops54h 15m

Chicago O'Hare Intl

Sat 31/10

21:20-12:10

2 stops28h 20m

₹ 111,195

Flights are sorted by cheapest return flights first.

Deals found on 30/3

Showing 1-10 of 52 resultsSorted by cheapest first
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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 ₹ 67,717). Flying from Chennai to Illinois in August is currently the most expensive (average of ₹ 96,765). 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.

How much does it cost for a return flight from Chennai to Illinois?

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 31 March 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
3,550 reviews
Check prices

Crew

8.3

Boarding

8.1

Comfort

8.0

Entertainment

8.2

Food

7.9

Overall

8.1

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
3,550 reviews
Emirates
8.1
Very Good
3,550 reviews
Check prices

Crew

8.3

Boarding

8.1

Comfort

8.0

Entertainment

8.2

Food

7.9

Overall

8.1

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
3,729 reviews
Emirates
8.1
Very Good
3,550 reviews
Check prices

Crew

8.3

Boarding

8.1

Comfort

8.0

Entertainment

8.2

Food

7.9

Overall

8.1

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
1,432 reviews
Emirates
8.1
Very Good
3,550 reviews
Check prices

Crew

8.3

Boarding

8.1

Comfort

8.0

Entertainment

8.2

Food

7.9

Overall

8.1

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
7,835 reviews
Emirates
8.1
Very Good
3,550 reviews
Check prices

Crew

8.3

Boarding

8.1

Comfort

8.0

Entertainment

8.2

Food

7.9

Overall

8.1

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
2,973 reviews
Emirates
8.1
Very Good
3,550 reviews
Check prices

Crew

8.3

Boarding

8.1

Comfort

8.0

Entertainment

8.2

Food

7.9

Overall

8.1

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 ₹ 92,521, Etihad Airways can have you in Illinois from Chennai in 22h 10m. Chennai and Illinois are separated by a distance of 13773 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 (₹ 34,844), Etihad Airways (₹ 37,653), and Emirates (₹ 38,791).

  • 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 ₹ 67,717). Flying from Chennai to Illinois in August is currently the most expensive (average of ₹ 96,765). 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 5 airlines flying from Chennai to Illinois

Discover the top 5 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 31 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Etihad AirwaysCheapest₹ 71,833Average₹ 92,597FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Air IndiaCheapest₹ 75,742Average₹ 99,100FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Qatar AirwaysCheapest₹ 83,711Average₹ 106,051FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
British AirwaysCheapest₹ 90,968Average₹ 125,500FlexibilityNo cancel feeOn-time70%
Search British Airways flights
EmiratesCheapest₹ 91,738Average₹ 108,015FlexibilityNo 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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