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Cheap flights from Chennai to Illinois from ₹ 57,959

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 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
MAA — ORD
14 Sep — 21 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 15 August 2026.

Tue 24/1109:55 -
2 stops42h 22m
Sun 11/407:00 -
2 stops33h 20m
Deal found 11/8₹ 97,393
Fri 23/1005:35 -
2 stops42h 55m
Mon 11/116:26 -
2 stops25h 39m
Deal found 11/8₹ 101,213
Sat 5/916:05 -
1 stop27h 00m
Fri 2/1014:00 -
1 stop31h 55m
Deal found 10/8₹ 101,690
Mon 7/910:15 -
1 stop32h 50m
Mon 14/914:00 -
2 stops24h 35m
Deal found 10/8₹ 101,786
Fri 9/1004:20 -
2 stops28h 40m
Mon 26/1015:37 -
2 stops24h 23m
Deal found 10/8₹ 101,881
Tue 15/900:50 -
2 stops29h 39m
Thu 19/1105:30 -
2 stops31h 35m
Deal found 11/8₹ 102,454
Sat 31/1003:55 -
1 stop39h 30m
Mon 23/1114:35 -
1 stop22h 30m
Deal found 13/8₹ 102,645
Sat 5/916:05 -
1 stop27h 00m
Thu 3/1213:10 -
1 stop38h 25m
Deal found 14/8₹ 102,931
Sun 6/915:40 -
1 stop27h 25m
Thu 29/1014:10 -
1 stop25h 55m
Deal found 13/8₹ 103,027
Thu 24/904:20 -
2 stops30h 09m
Fri 5/218:50 -
1 stop20h 10m
Deal found 14/8₹ 103,218
Sat 5/916:05 -
1 stop27h 00m
Fri 27/1113:10 -
1 stop19h 10m
Deal found 14/8₹ 103,313
Thu 8/1004:05 -
1 stop21h 30m
Thu 3/1220:42 -
2 stops42h 18m
Deal found 10/8₹ 103,409

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 15 August 2026.

Round-trip from

₹ 97,393

One-way from

₹ 57,959

Popular in

January

Cheapest in

October

Average price

₹ 123,842
24/11-11/4
  • 24/11-11/4
  • 4 total stops
  • 75h 42m total
  • Chennai to Illinois
Search Deals
11/10
  • 11/10
  • 2 total stops
  • 48h 05m total
  • Chennai to Illinois
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (₹ 520,343 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (₹ 242,380 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 15 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

Tue 10/11

04:05-14:30

1 stop21h 55m

Chicago O'Hare Intl

Tue 17/11

09:30-02:30

2 stops29h 30m

₹ 103,504

ChennaiChicago

MAA Chennai - ORD Chicago O'Hare Intl

MAAORD

Chennai

Tue 10/11

07:20-15:05

2 stops43h 15m

Chicago O'Hare Intl

Fri 7/5

19:20-14:40

2 stops56h 50m

₹ 103,982

ChennaiSt. Louis

MAA Chennai - STL Lambert-St Louis

MAASTL

Chennai

Thu 4/2

07:35-17:41

2 stops45h 36m

Lambert-St Louis

Mon 8/2

17:27-05:35

2 stops48h 38m

₹ 103,982

ChennaiChicago

MAA Chennai - ORD Chicago O'Hare Intl

MAAORD

Chennai

Sat 26/9

08:15-16:10

2 stops42h 25m

Chicago O'Hare Intl

Sun 10/1

18:50-14:20

2 stops56h 00m

₹ 109,997

ChennaiChicago

MAA Chennai - ORD Chicago O'Hare Intl

MAAORD

Chennai

Mon 7/9

10:15-15:40

1 stop39h 55m

Chicago O'Hare Intl

Wed 25/11

13:10-19:50

1 stop19h 10m

₹ 116,872

ChennaiChicago

MAA Chennai - ORD Chicago O'Hare Intl

MAAORD

Chennai

Tue 8/9

21:50-14:30

2 stops27h 10m

Chicago O'Hare Intl

Tue 29/9

17:10-08:20

2 stops28h 40m

₹ 117,731

ChennaiChicago

MAA Chennai - ORD Chicago O'Hare Intl

MAAORD

Chennai

Sun 1/11

21:05-11:00

2 stops49h 25m

Chicago O'Hare Intl

Mon 23/11

20:15-12:20

2 stops28h 35m

₹ 118,686

ChennaiChicago

MAA Chennai - ORD Chicago O'Hare Intl

MAAORD

Chennai

Thu 3/9

15:40-08:35

1 stop27h 25m

Chicago O'Hare Intl

Fri 27/11

13:10-02:35

1 stop25h 55m

₹ 118,973

ChennaiChicago

MAA Chennai - ORD Chicago O'Hare Intl

MAAORD

Chennai

Tue 8/9

04:05-21:46

2 stops28h 11m

Chicago O'Hare Intl

Wed 14/10

13:50-02:50

2 stops26h 30m

₹ 129,858

ChennaiChicago

MAA Chennai - ORD Chicago O'Hare Intl

MAAORD

Chennai

Wed 11/11

20:00-12:40

2 stops28h 10m

Chicago O'Hare Intl

Tue 17/11

21:50-08:45

3 stops47h 25m

₹ 131,195

Flights are sorted by cheapest return flights first.

Deals found on 13/8

Showing 1-10 of 58 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, April is the cheapest month in which you can book a flight from Chennai to Illinois (average of ₹ 87,463). Flying from Chennai to Illinois in August is currently the most expensive (average of ₹ 127,184). 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 ₹ 113,530 and ₹ 148,954 in October.
The cheapest return price found within the last 5 days was ₹ 101,213 on British Airways (23 Oct–11 Jan).

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 15 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
3,655 reviews
Check prices

Crew

8.4

Overall

8.1

Food

7.9

Entertainment

8.2

Boarding

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
3,655 reviews
Emirates
8.1
Very Good
3,655 reviews
Check prices

Crew

8.4

Overall

8.1

Food

7.9

Entertainment

8.2

Boarding

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
1,505 reviews
Emirates
8.1
Very Good
3,655 reviews
Check prices

Crew

8.4

Overall

8.1

Food

7.9

Entertainment

8.2

Boarding

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
8,194 reviews
Emirates
8.1
Very Good
3,655 reviews
Check prices

Crew

8.4

Overall

8.1

Food

7.9

Entertainment

8.2

Boarding

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 ₹ 103,504, Qatar Airways can have you in Illinois from Chennai in 21h 55m. 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 (₹ 37,644), Air India (₹ 41,092), and Qatar Airways (₹ 48,176).

  • 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, April is the cheapest month in which you can book a flight from Chennai to Illinois (average of ₹ 87,463). Flying from Chennai to Illinois in August is currently the most expensive (average of ₹ 127,184). 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 2 airlines flying from Chennai to Illinois

Discover the top 2 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 15 August 2026.
AirlineCheapestAverageFlexibilityOn-time
Etihad AirwaysCheapest₹ 73,947Average₹ 91,829FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
EmiratesCheapest₹ 92,685Average₹ 102,670FlexibilityNo 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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