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$347+ Cheap flights from Illinois to Chennai (MAA)

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 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — MAA
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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Cheap flight deals from Illinois to Chennai

Keep the following information in mind while searching for Illinois to Chennai flight deals. Data was last updated May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$808
(Indian Eagle)

One-way from

$347
(oojo)

Popular in

December

Cheapest in

September

Average price

$1,257

Good round-trip deal

$1,180 or less
Provider with most accurate pricing for Chicago (CHI)-Chennai flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Chennai flights.
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From Illinois to Chennai
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One-way flight from Illinois to Chennai
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Highest demand for flights based on searches. 11% potential increase in price ($139 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($42 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Price to beat on a round-trip flight from Illinois to Chennai.
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Find flight deals from Illinois to Chennai

Cheapest flights from Illinois to Chennai
Explore the most affordable flight options available from Illinois to Chennai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

This oojo deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1811:00 amORD - MAA
1 stop20h 40mAir India
Wed 12/176:10 amMAA - ORD
1 stop35h 50mAir India
Deal found 4/30$790
This SWISS deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/37:05 pmORD - MAA
2 stops51h 20mSWISS
Wed 9/178:40 pmMAA - ORD
2 stops26h 00mSWISS
Deal found 4/30$799
This Booking.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/16:30 pmORD - MAA
1 stop19h 10mMultiple Airlines
Tue 9/308:40 pmMAA - ORD
2 stops26h 00mMultiple Airlines
Deal found 4/30$824
This Lufthansa deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/143:35 pmORD - MAA
2 stops30h 50mLufthansa
Wed 9/241:55 amMAA - ORD
1 stop21h 30mLufthansa
Deal found 4/30$826
This Air Canada deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/167:11 amORD - MAA
2 stops30h 29mAir Canada
Wed 9/241:55 amMAA - ORD
2 stops28h 46mAir Canada
Deal found 4/30$848
This American Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/134:44 pmORD - MAA
2 stops26h 01mAmerican Airlines
Sat 5/243:45 pmMAA - ORD
2 stops29h 54mAmerican Airlines
Deal found 4/30$889
This Indian Eagle deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/67:20 pmORD - MAA
1 stop21h 00mQatar Airways
Sat 5/173:55 amMAA - ORD
1 stop21h 40mQatar Airways
Deal found 4/30$893
This Indian Eagle deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/178:35 pmORD - MAA
1 stop19h 25mEmirates
Mon 11/173:45 amMAA - ORD
1 stop22h 40mEmirates
Deal found 4/30$916
This Booking.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/227:50 pmORD - MAA
2 stops33h 40mIndiGo
Mon 9/2211:00 pmMAA - ORD
2 stops29h 25mIndiGo
Deal found 4/30$942
This oojo deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/75:13 amSTL - MAA
2 stops35h 07mQatar Airways
Tue 5/273:55 amMAA - STL
2 stops28h 54mQatar Airways
Deal found 4/30$1,011
This Etihad Airways deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/19:12 amSTL - MAA
2 stops24h 18mMultiple Airlines
Fri 5/304:25 pmMAA - STL
2 stops33h 24mMultiple Airlines
Deal found 4/30$1,249
This Gurufare deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/261:25 pmSTL - MAA
3 stops47h 15mLufthansa
Sun 8/177:50 pmMAA - STL
3 stops30h 27mLufthansa
Deal found 4/30$1,260

Cheapflights Fare Finder

Customize your flight search to find flights from Illinois to Chennai 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 2,558,603 searches. Data last updated May 1, 2025.
Use the filters below to find and compare flights from Illinois to Chennai that are best for you.

Fly from

Illinois

Fly to

Chennai

Route

Depart

Return

Price

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Sun 10/5

12:00 pm-8:40 pm

1 stop22h 10m

Chennai

Thu 10/30

11:20 am-7:30 am

1 stop30h 40m

$795

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Sun 8/3

7:05 pm-8:55 am

2 stops51h 20m

Chennai

Wed 9/17

8:40 pm-12:10 pm

2 stops26h 00m

$799

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Mon 9/1

6:30 pm-12:10 am

1 stop19h 10m

Chennai

Tue 9/30

8:40 pm-12:10 pm

2 stops26h 00m

$824

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Sun 9/14

3:35 pm-8:55 am

2 stops30h 50m

Chennai

Wed 9/24

1:55 am-12:55 pm

1 stop21h 30m

$826

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Tue 9/16

7:11 am-12:10 am

2 stops30h 29m

Chennai

Wed 9/24

1:55 am-8:11 pm

2 stops28h 46m

$848

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Tue 8/5

7:20 pm-2:50 am

1 stop21h 00m

Chennai

Sun 11/9

3:45 am-2:30 pm

1 stop22h 15m

$871

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Tue 5/13

4:44 pm-5:15 am

2 stops26h 01m

Chennai

Sat 5/24

3:45 pm-11:09 am

2 stops29h 54m

$889

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Fri 10/17

8:35 pm-2:30 am

1 stop19h 25m

Chennai

Mon 11/17

3:45 am-2:55 pm

1 stop22h 40m

$916

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Fri 8/22

7:50 pm-4:00 pm

2 stops33h 40m

Chennai

Mon 9/22

11:00 pm-5:55 pm

2 stops29h 25m

$942

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Sat 7/26

1:25 pm-11:10 pm

3 stops47h 15m

Chennai

Sun 8/17

7:50 pm-3:47 pm

3 stops30h 27m

$1,260

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 34 results
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Best time to book a flight from Illinois to Chennai

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

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

Currently, September is the cheapest month in which you can book a flight from Illinois to Chennai (average of $943). Flying from Illinois to Chennai in June is currently the most expensive (average of $1,617). 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.

What is the cheapest time of day to fly from IL to MAA?

Find hourly flight availability from Illinois to Chennai. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 1, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Chennai as you normally would.

Rainfall in Chennai by month

Plan your trip to Chennai by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chennai ranges from 0.4 - 13.0 inches per month. November is typically the wettest month, when rainfall can reach 13.0 in. February is typically the driest time to visit Chennai when rainfall is around 0.4 in.

Temperature in Chennai by month

Plan your trip to Chennai by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chennai, use this chart to help with planning. For those seeking warmer temperatures, May is the ideal time of year to visit, when temperatures reach an average of 91.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).

Reviews of airlines servicing Chennai

Get insights into the airlines that provide service to Chennai. 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 Chennai. Reviews last updated May 1, 2025.
Read reviews from past customers who have flown Japan Airlines, Singapore Airlines and Emirates from Illinois to Chennai. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Japan Airlines
8.3
Very good
1,464 reviews

Entertainment

7.8

Crew

8.7

Boarding

8.4

Overall

8.3

Comfort

8.2

Food

7.7

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.
Japan Airlines
8.3
Very good
1,464 reviews
Japan Airlines
8.3
Very good
1,464 reviews

Entertainment

7.8

Crew

8.7

Boarding

8.4

Overall

8.3

Comfort

8.2

Food

7.7

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.
Singapore Airlines
8.1
Very good
1,292 reviews
Japan Airlines
8.3
Very good
1,464 reviews

Entertainment

7.8

Crew

8.7

Boarding

8.4

Overall

8.3

Comfort

8.2

Food

7.7

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.
Emirates
8.0
Very good
3,215 reviews
Japan Airlines
8.3
Very good
1,464 reviews

Entertainment

7.8

Crew

8.7

Boarding

8.4

Overall

8.3

Comfort

8.2

Food

7.7

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.
SWISS
7.5
Good
1,588 reviews
Japan Airlines
8.3
Very good
1,464 reviews

Entertainment

7.8

Crew

8.7

Boarding

8.4

Overall

8.3

Comfort

8.2

Food

7.7

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.
Qatar Airways
7.4
Good
3,563 reviews
Japan Airlines
8.3
Very good
1,464 reviews

Entertainment

7.8

Crew

8.7

Boarding

8.4

Overall

8.3

Comfort

8.2

Food

7.7

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Related info for your journey

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

    Most people fly into Chennai (MAA) if they book a flight to Chennai from Illinois. Chennai is conveniently located just 10.2 mi from Chennai’s city center.

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

    To fly one-way, consider booking your trip with Air India, which is currently one of the cheapest options available, starting at $347. American Airlines flights start at $429 while deals on IndiGo start at $478 one-way.

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

    While some choose either Lambert-St Louis - Chennai or Chicago Midway - Chennai, Chicago O'Hare Intl - Chennai is the most popular route from Illinois to Chennai.

  • What are the cheapest flights from Illinois to Chennai?

    On average you can expect to pay $1,326 for a flight from Illinois to Chennai. The cheapest flight overall is $1,157 while the most popular route, (Chicago O'Hare Intl - Chennai) is currently priced at $687.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Illinois to Chennai (average of $943). Flying from Illinois to Chennai in June is currently the most expensive (average of $1,617). 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

Traveling to a place near Illinois?

Book flights to Illinois if you plan to visit one of these locations
Mahabalipuram
Vellore

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Alternative routes for Illinois to Chennai

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Illinois to Chennai

Discover the top 10 airlines that operate flights from Illinois to Chennai. 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 2,558,603 searches. Data last updated May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest$646Average$753FlexibilityNo cancel feeOn-time72%
Air IndiaCheapest$696Average$979FlexibilityNo cancel feeOn-timeN/A
EmiratesCheapest$730Average$1,252FlexibilityNo cancel feeOn-time75%
Etihad AirwaysCheapest$766Average$1,124FlexibilityNo cancel feeOn-time75%
Qatar AirwaysCheapest$808Average$1,129FlexibilityNo cancel feeOn-time68%
LufthansaCheapest$829Average$1,296FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$1,032Average$1,388FlexibilityNo cancel feeOn-time67%
IndiGoCheapest$1,053Average$1,290FlexibilityNo cancel feeOn-time80%
Ethiopian AirCheapest$1,069Average$1,548FlexibilityNo cancel feeOn-time72%
British AirwaysCheapest$1,110Average$1,596FlexibilityNo cancel feeOn-time70%

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