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Cheap flights from Chennai to Illinois from ₹ 32,981

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 4/12. Fares are subject to change and may not be available on all flights or dates of travel.
MAA — ORD
16 Dec — 23 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Chennai to Illinois

Keep the following information in mind while searching for Chennai to Illinois flight deals. Data was last updated 16 November 2025.

Round-trip from

₹ 66,405

One-way from

₹ 32,981

Popular in

January

Cheapest in

October

Average price

₹ 89,191
Air India
  • Air India
  • 16/12-16/1
  • 2 total stops
  • 67h 05m total
  • Chennai to Illinois
Search Deals
Air India
  • Air India
  • 4/12
  • 2 total stops
  • 32h 30m total
  • Chennai to Illinois
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (₹ 695,622 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (₹ 170,484 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find 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 16 November 2025.

Tue 16/1203:55MAA - ORD
1 stop39h 10mMultiple Airlines
Fri 16/113:30ORD - MAA
1 stop27h 55mMultiple Airlines
Deal found 15/11₹ 66,405
Sun 23/1106:00MAA - ORD
2 stops41h 00mMultiple Airlines
Wed 13/514:00ORD - MAA
1 stop38h 05mMultiple Airlines
Deal found 16/11₹ 68,001
Tue 18/1108:05MAA - ORD
2 stops38h 55mAir India
Fri 16/113:30ORD - MAA
1 stop38h 05mAir India
Deal found 15/11₹ 68,799
Sat 22/1103:55MAA - ORD
1 stop39h 10mEtihad Airways
Wed 13/514:00ORD - MAA
1 stop25h 55mEtihad Airways
Deal found 15/11₹ 69,242
Mon 17/1103:55MAA - ORD
1 stop39h 10mMultiple Airlines
Fri 16/113:30ORD - MAA
1 stop33h 20mMultiple Airlines
Deal found 14/11₹ 70,040
Tue 18/1122:30MAA - ORD
2 stops28h 10mAir France
Fri 16/117:20ORD - MAA
2 stops25h 40mAir France
Deal found 15/11₹ 70,395
Sat 22/1123:15MAA - ORD
2 stops27h 25mMultiple Airlines
Sat 10/117:20ORD - MAA
2 stops25h 40mMultiple Airlines
Deal found 15/11₹ 70,484
Sat 15/1107:35MAA - STL
2 stops45h 49mBritish Airways
Wed 19/1111:51STL - MAA
2 stops30h 14mBritish Airways
Deal found 13/11₹ 136,800
Fri 14/1103:50MAA - STL
2 stops30h 02mEmirates
Wed 19/1115:14STL - MAA
2 stops23h 31mEmirates
Deal found 13/11₹ 311,192

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 16 November 2025.
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

Thu 25/12

16:20-11:30

2 stops30h 40m

Chicago O'Hare Intl

Tue 13/1

13:10-03:00

3 stops26h 20m

₹ 76,246

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Thu 26/3

10:00-08:35

1 stop33h 05m

Chicago O'Hare Intl

Thu 30/7

14:00-20:00

1 stop19h 30m

₹ 79,261

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Thu 26/3

10:00-08:35

1 stop33h 05m

Chicago O'Hare Intl

Sun 26/7

14:00-08:30

1 stop32h 00m

₹ 79,261

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Mon 23/3

03:55-08:35

1 stop39h 10m

Chicago O'Hare Intl

Wed 29/7

14:00-02:25

1 stop25h 55m

₹ 79,261

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Fri 27/3

15:45-08:35

1 stop27h 20m

Chicago O'Hare Intl

Tue 28/7

14:00-02:25

1 stop25h 55m

₹ 79,261

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Tue 24/3

03:55-08:35

1 stop39h 10m

Chicago O'Hare Intl

Sun 29/3

14:00-20:00

1 stop19h 30m

₹ 79,704

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Sat 28/3

10:00-08:45

1 stop33h 15m

Chicago O'Hare Intl

Thu 30/7

14:00-08:30

1 stop32h 00m

₹ 80,325

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Sat 28/3

10:00-08:45

1 stop33h 15m

Chicago O'Hare Intl

Sun 26/7

14:00-08:30

1 stop32h 00m

₹ 80,325

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Sat 28/3

10:00-08:45

1 stop33h 15m

Chicago O'Hare Intl

Wed 29/7

14:00-08:30

1 stop32h 00m

₹ 80,325

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Mon 23/3

03:55-08:35

1 stop39h 10m

Chicago O'Hare Intl

Sat 1/8

14:00-02:25

1 stop25h 55m

₹ 80,325

Flights are sorted by cheapest return flights first.

Deals found on 16/11

Showing 1-10 of 33 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 ₹ 63,657). Flying from Chennai to Illinois in August is currently the most expensive (average of ₹ 92,205). 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 16 November 2025.
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
3,412 reviews
Check prices

Crew

8.3

Food

7.9

Entertainment

8.2

Comfort

8.0

Boarding

8.1

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

DXB - ORD

Overall it was wonderfull for the amount I paid for.
Emirates
8.1
Very Good
3,412 reviews
Emirates
8.1
Very Good
3,412 reviews
Check prices

Crew

8.3

Food

7.9

Entertainment

8.2

Comfort

8.0

Boarding

8.1

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

DXB - ORD

Overall it was wonderfull for the amount I paid for.
Qatar Airways
7.4
Good
3,664 reviews
Emirates
8.1
Very Good
3,412 reviews
Check prices

Crew

8.3

Food

7.9

Entertainment

8.2

Comfort

8.0

Boarding

8.1

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

DXB - ORD

Overall it was wonderfull for the amount I paid for.
Etihad Airways
7.4
Good
1,303 reviews
Emirates
8.1
Very Good
3,412 reviews
Check prices

Crew

8.3

Food

7.9

Entertainment

8.2

Comfort

8.0

Boarding

8.1

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

DXB - ORD

Overall it was wonderfull for the amount I paid for.
British Airways
6.7
Okay
7,527 reviews
Emirates
8.1
Very Good
3,412 reviews
Check prices

Crew

8.3

Food

7.9

Entertainment

8.2

Comfort

8.0

Boarding

8.1

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

DXB - ORD

Overall it was wonderfull for the amount I paid for.
Air India
5.5
Fair
2,938 reviews
Emirates
8.1
Very Good
3,412 reviews
Check prices

Crew

8.3

Food

7.9

Entertainment

8.2

Comfort

8.0

Boarding

8.1

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

DXB - ORD

Overall it was wonderfull for the amount I paid for.

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 ₹ 103,021, Etihad Airways can have you in Illinois from Chennai in 27h 25m. 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 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 ₹ 63,657). Flying from Chennai to Illinois in August is currently the most expensive (average of ₹ 92,205). 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

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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 16 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Air IndiaCheapest₹ 71,201Average₹ 99,841FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Etihad AirwaysCheapest₹ 74,041Average₹ 96,312FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
LufthansaCheapest₹ 79,918Average₹ 96,653FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Qatar AirwaysCheapest₹ 80,539Average₹ 93,271FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
British AirwaysCheapest₹ 80,871Average₹ 97,133FlexibilityNo cancel feeOn-time70%
Search British Airways flights
EmiratesCheapest₹ 92,364Average₹ 101,064FlexibilityNo 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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