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Cheap flights from Chennai to Illinois from ₹ 56,425

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 14/9. Fares are subject to change and may not be available on all flights or dates of travel.
MAA — ORD
9 Sep — 16 Sep1
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 10 August 2026.

Tue 22/904:05 -
1 stop22h 05m
Sat 26/914:00 -
1 stop26h 20m
Deal found 6/8₹ 98,577
Mon 9/1104:05 -
2 stops37h 05m
Fri 7/519:20 -
1 stop21h 00m
Deal found 9/8₹ 99,052
Fri 11/1207:20 -
2 stops43h 15m
Thu 14/118:50 -
2 stops24h 20m
Deal found 9/8₹ 99,148
Tue 1/910:15 -
1 stop32h 50m
Thu 10/920:25 -
1 stop19h 55m
Deal found 6/8₹ 99,243
Fri 9/1005:35 -
2 stops33h 55m
Mon 26/1022:50 -
1 stop20h 15m
Deal found 6/8₹ 99,623
Fri 2/1008:15 -
2 stops42h 25m
Fri 8/118:50 -
2 stops48h 20m
Deal found 7/8₹ 100,004
Thu 24/908:15 -
2 stops42h 25m
Fri 5/218:50 -
2 stops48h 20m
Deal found 8/8₹ 100,099
Tue 6/1005:35 -
2 stops45h 45m
Sat 6/216:45 -
2 stops25h 20m
Deal found 9/8₹ 100,575
Mon 21/904:20 -
2 stops41h 10m
Sun 11/1011:45 -
2 stops28h 35m
Deal found 7/8₹ 155,858
Tue 18/810:15 -
2 stops40h 39m
Wed 10/207:29 -
2 stops24h 51m
Deal found 5/8₹ 157,951
Tue 22/904:20 -
2 stops41h 10m
Sun 11/1011:45 -
2 stops28h 35m
Deal found 8/8₹ 158,998
Tue 18/820:15 -
2 stops33h 45m
Wed 10/211:31 -
2 stops30h 34m
Deal found 5/8₹ 167,181

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 10 August 2026.

Round-trip from

₹ 98,577

One-way from

₹ 56,425

Popular in

January

Cheapest in

October

Average price

₹ 116,370
Etihad Airways
  • Etihad Airways
  • 22/9-26/9
  • 2 total stops
  • 48h 25m total
  • Chennai to Illinois
Search Deals
14/9
  • 14/9
  • 2 total stops
  • 49h 45m total
  • Chennai to Illinois
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (₹ 598,288 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (₹ 248,178 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 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 10 August 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 Chennai - ORD Chicago O'Hare Intl

MAAORD

Chennai

Wed 16/12

16:10-07:55

1 stop27h 15m

Chicago O'Hare Intl

Sat 16/1

20:20-15:05

1 stop31h 15m

₹ 98,672

ChennaiChicago

MAA Chennai - ORD Chicago O'Hare Intl

MAAORD

Chennai

Tue 22/9

04:05-15:40

1 stop22h 05m

Chicago O'Hare Intl

Sat 26/9

14:00-02:50

1 stop26h 20m

₹ 98,672

ChennaiChicago

MAA Chennai - ORD Chicago O'Hare Intl

MAAORD

Chennai

Sun 20/9

21:50-14:30

2 stops27h 10m

Chicago O'Hare Intl

Sun 4/10

16:15-08:20

2 stops29h 35m

₹ 103,334

ChennaiSt. Louis

MAA Chennai - STL Lambert-St Louis

MAASTL

Chennai

Thu 4/2

07:35-22:44

2 stops50h 39m

Lambert-St Louis

Mon 8/2

17:27-05:35

2 stops48h 38m

₹ 103,620

ChennaiChicago

MAA Chennai - ORD Chicago O'Hare Intl

MAAORD

Chennai

Mon 21/9

04:20-15:05

1 stop21h 15m

Chicago O'Hare Intl

Sun 25/10

16:25-02:30

2 stops23h 35m

₹ 104,857

ChennaiChicago

MAA Chennai - ORD Chicago O'Hare Intl

MAAORD

Chennai

Thu 26/11

07:35-22:28

2 stops26h 23m

Chicago O'Hare Intl

Thu 20/5

17:00-03:30

1 stop24h 00m

₹ 107,711

ChennaiChicago

MAA Chennai - ORD Chicago O'Hare Intl

MAAORD

Chennai

Mon 21/9

09:55-08:35

3 stops33h 10m

Chicago O'Hare Intl

Sun 25/10

19:30-15:05

3 stops33h 05m

₹ 108,187
Fastest return journey

ChennaiChicago

MAA Chennai - ORD Chicago O'Hare Intl

MAAORD

Chennai

Sun 1/11

04:05-15:30

1 stop21h 55m

Chicago O'Hare Intl

Mon 23/11

18:50-02:20

1 stop20h 00m

₹ 116,180

ChennaiChicago

MAA Chennai - ORD Chicago O'Hare Intl

MAAORD

Chennai

Wed 26/8

23:45-09:40

2 stops44h 25m

Chicago O'Hare Intl

Wed 11/11

11:45-12:10

2 stops36h 55m

₹ 118,273

ChennaiChicago

MAA Chennai - ORD Chicago O'Hare Intl

MAAORD

Chennai

Fri 28/8

20:15-09:40

2 stops47h 55m

Chicago O'Hare Intl

Thu 12/11

11:45-12:10

2 stops36h 55m

₹ 121,223

Flights are sorted by cheapest return flights first.

Deals found on 6/8

Showing 1-10 of 43 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 ₹ 86,588). Flying from Chennai to Illinois in August is currently the most expensive (average of ₹ 127,598). 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?

Airfare is below average for this route at the moment.
Chennai to Illinois flights typically cost between ₹ 116,085 and ₹ 139,397 in September.
The cheapest return price found within the last 5 days was ₹ 98,577 on Etihad Airways (22 Sept–26 Sept).

How far ahead should I book a flight from Chennai to Illinois?

The best time to book flights from Chennai to Illinois is 77 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 10 August 2026.
Check out reviews from past customers who have flown with Emirates,Etihad Airways, andLufthansa 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
3,648 reviews
Check prices

Overall

8.1

Boarding

8.1

Food

7.9

Crew

8.4

Entertainment

8.2

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2026

DXB - SEA

It wasn’t the same Emirates like years back in 2015 I had the experience. Unfortunately it’s been changed to the worst.
Emirates
8.1
Very Good
3,648 reviews
Emirates
8.1
Very Good
3,648 reviews
Check prices

Overall

8.1

Boarding

8.1

Food

7.9

Crew

8.4

Entertainment

8.2

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2026

DXB - SEA

It wasn’t the same Emirates like years back in 2015 I had the experience. Unfortunately it’s been changed to the worst.
Etihad Airways
7.3
Good
1,500 reviews
Emirates
8.1
Very Good
3,648 reviews
Check prices

Overall

8.1

Boarding

8.1

Food

7.9

Crew

8.4

Entertainment

8.2

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2026

DXB - SEA

It wasn’t the same Emirates like years back in 2015 I had the experience. Unfortunately it’s been changed to the worst.
Lufthansa
6.8
Okay
8,176 reviews
Emirates
8.1
Very Good
3,648 reviews
Check prices

Overall

8.1

Boarding

8.1

Food

7.9

Crew

8.4

Entertainment

8.2

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2026

DXB - SEA

It wasn’t the same Emirates like years back in 2015 I had the experience. Unfortunately it’s been changed to the worst.
British Airways
6.7
Okay
8,151 reviews
Emirates
8.1
Very Good
3,648 reviews
Check prices

Overall

8.1

Boarding

8.1

Food

7.9

Crew

8.4

Entertainment

8.2

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2026

DXB - SEA

It wasn’t the same Emirates like years back in 2015 I had the experience. Unfortunately it’s been changed to the worst.

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 ₹ 103,334, Etihad Airways can have you in Illinois from Chennai in 27h 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 Etihad Airways (₹ 37,513), Air India (₹ 40,949), and Qatar Airways (₹ 48,009).

  • 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 - Chicago Midway or Chennai - Lambert-St Louis, 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 ₹ 86,588). Flying from Chennai to Illinois in August is currently the most expensive (average of ₹ 127,598). 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

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Alternative routes for Chennai to Illinois

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Top 3 airlines flying from Chennai to Illinois

Discover the top 3 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 10 August 2026.
AirlineCheapestAverageFlexibilityOn-time
Etihad AirwaysCheapest₹ 73,690Average₹ 91,595FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Qatar AirwaysCheapest₹ 84,455Average₹ 106,994FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
EmiratesCheapest₹ 92,362Average₹ 102,349FlexibilityNo 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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