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Cheap flights from Illinois to Chennai from ₹ 41,593

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Chennai departing on 19/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Illinois to Chennai

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
06:03 - 20:10
STL
-
MAA
27h 37m
2 stops
Multiple Airlines Logo
10:00 - 14:53
MAA
-
STL
40h 23m
2 stops
₹ 96,609Multiple Airlines
Wed, 7 Oct - Mon, 2 Nov
Multiple Airlines Logo
09:59 - 08:25
PIA
-
MAA
35h 56m
2 stops
Multiple Airlines Logo
04:05 - 23:06
MAA
-
PIA
29h 31m
2 stops
₹ 99,539Multiple Airlines
Fri, 9 Oct - Fri, 16 Oct
Multiple Airlines Logo
21:10 - 08:25
ORD
-
MAA
24h 45m
1 stop
Multiple Airlines Logo
22:05 - 15:45
MAA
-
ORD
28h 10m
1 stop
₹ 105,967Multiple Airlines
Wed, 2 Sep - Sat, 26 Sep
Etihad Airways Logo
20:25 - 20:10
ORD
-
MAA
37h 15m
1 stop
Etihad Airways Logo
04:05 - 08:35
MAA
-
ORD
39h 00m
1 stop
₹ 106,157Etihad Airways
Mon, 20 Jul - Mon, 27 Jul
Qatar Airways Logo
09:00 - 02:40
ORD
-
MAA
31h 10m
2 stops
Qatar Airways Logo
04:05 - 14:30
MAA
-
ORD
21h 55m
1 stop
₹ 106,251Qatar Airways
Fri, 23 Oct - Mon, 9 Nov
Qatar Airways Logo
06:00 - 02:50
ORD
-
MAA
34h 20m
2 stops
Qatar Airways Logo
03:25 - 14:30
MAA
-
ORD
22h 35m
1 stop
₹ 106,346Qatar Airways
Fri, 9 Oct - Sun, 8 Nov
Etihad Airways Logo
14:00 - 15:05
ORD
-
MAA
38h 35m
1 stop
Etihad Airways Logo
04:05 - 15:40
MAA
-
ORD
22h 05m
1 stop
₹ 107,007Etihad Airways
Wed, 22 Jul - Sun, 2 Aug
Emirates Logo
06:15 - 02:30
PIA
-
MAA
33h 45m
2 stops
Emirates Logo
22:05 - 22:58
MAA
-
PIA
35h 23m
2 stops
₹ 132,058Emirates
Fri, 9 Oct - Fri, 16 Oct
Lufthansa Logo
10:43 - 08:55
PIA
-
MAA
35h 42m
3 stops
Lufthansa Logo
01:55 - 22:58
MAA
-
PIA
31h 33m
2 stops
₹ 154,461Lufthansa
Fri, 9 Oct - Thu, 15 Oct
Lufthansa Logo
10:43 - 08:55
PIA
-
MAA
35h 42m
3 stops
Lufthansa Logo
18:00 - 19:01
MAA
-
PIA
35h 31m
3 stops
₹ 156,352Lufthansa
Fri, 9 Oct - Fri, 16 Oct

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Qatar Airways flights from Illinois to Chennai

Our best Qatar Airways deals on Illinois to Chennai flight tickets
Qatar Airways
23 Oct
ORD09:00Chicago O'Hare Intl
31h 10m
2 stops
MAA02:40Chennai
9 Nov
MAA04:05Chennai
21h 55m
1 stop
ORD14:30Chicago O'Hare Intl
₹ 106,251
Qatar Airways
9 Oct
ORD06:00Chicago O'Hare Intl
34h 20m
2 stops
MAA02:50Chennai
8 Nov
MAA03:25Chennai
22h 35m
1 stop
ORD14:30Chicago O'Hare Intl
₹ 106,346
Qatar Airways
1 Dec
ORD06:00Chicago O'Hare Intl
33h 00m
2 stops
MAA02:30Chennai
21 Jan
MAA04:05Chennai
21h 55m
1 stop
ORD14:30Chicago O'Hare Intl
₹ 106,440

Etihad Airways flights from Illinois to Chennai

Our best Etihad Airways deals on Illinois to Chennai flight tickets
Etihad Airways
20 Jul
ORD20:25Chicago O'Hare Intl
37h 15m
1 stop
MAA20:10Chennai
27 Jul
MAA04:05Chennai
39h 00m
1 stop
ORD08:35Chicago O'Hare Intl
₹ 106,157
Etihad Airways
22 Jul
ORD14:00Chicago O'Hare Intl
38h 35m
1 stop
MAA15:05Chennai
2 Aug
MAA04:05Chennai
22h 05m
1 stop
ORD15:40Chicago O'Hare Intl
₹ 107,007
Etihad Airways
11 Aug
ORD10:56Chicago O'Hare Intl
29h 24m
2 stops
MAA02:50Chennai
18 Aug
MAA10:15Chennai
39h 55m
1 stop
ORD15:40Chicago O'Hare Intl
₹ 107,385

momondo Fare Finder

 
Customise 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, momondo users made 59,053 searches. Data last updated 23 June 2026.
Use the filters below to find and compare flights from Illinois to Chennai that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Wed 7/10

06:03-20:10

2 stops27h 37m

Chennai

Mon 2/11

10:00-14:53

2 stops40h 23m

₹ 96,609

PeoriaChennai

PIA - MAA

PIAMAA

Greater Peoria

Fri 9/10

09:59-08:25

2 stops35h 56m

Chennai

Fri 16/10

04:05-23:06

2 stops29h 31m

₹ 99,539
Fastest return journey

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Wed 2/9

21:10-08:25

1 stop24h 45m

Chennai

Sat 26/9

22:05-15:45

1 stop28h 10m

₹ 105,967

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Mon 20/7

20:25-20:10

1 stop37h 15m

Chennai

Mon 27/7

04:05-08:35

1 stop39h 00m

₹ 106,157

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Fri 23/10

09:00-02:40

2 stops31h 10m

Chennai

Mon 9/11

04:05-14:30

1 stop21h 55m

₹ 106,251

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Fri 9/10

06:00-02:50

2 stops34h 20m

Chennai

Sun 8/11

03:25-14:30

1 stop22h 35m

₹ 106,346

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Wed 22/7

14:00-15:05

1 stop38h 35m

Chennai

Sun 2/8

04:05-15:40

1 stop22h 05m

₹ 107,007

PeoriaChennai

PIA - MAA

PIAMAA

Greater Peoria

Fri 9/10

06:15-02:30

2 stops33h 45m

Chennai

Fri 16/10

22:05-22:58

2 stops35h 23m

₹ 132,058

PeoriaChennai

PIA - MAA

PIAMAA

Greater Peoria

Fri 9/10

10:43-08:55

3 stops35h 42m

Chennai

Thu 15/10

01:55-22:58

2 stops31h 33m

₹ 154,461

PeoriaChennai

PIA - MAA

PIAMAA

Greater Peoria

Fri 9/10

10:43-08:55

3 stops35h 42m

Chennai

Fri 16/10

18:00-19:01

3 stops35h 31m

₹ 156,352

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Chennai from

How to get the cheapest flight ticket from Illinois to Chennai

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Chennai?

The month of January is another great option to travel to Chennai, with average flight prices from Illinois averaging around ₹ 56,529.

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

You are more likely to see cheaper flights to Chennai from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Chennai for around ₹ 100,855 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chennai from Illinois for as low as ₹ 88,858 on momondo.

Can stopping save me money on Illinois to Chennai flights?

You could potentially save up to 23% on your flight if you consider stops on a Illinois to Chennai flight.

Cheap Illinois to Chennai flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Chennai

Fastest flight time

18h 40m

Direct flights

None
The fastest flight from Illinois to Chennai takes 18h 40m
There are no direct flights from Illinois to Chennai. There are no popular flight routes from Illinois to Chennai.
Search flight deals

Frequently asked questions about flying from Illinois to Chennai

  • When did momondo last update prices for flights from Illinois to Chennai Airport?

    Prices for flights from Illinois to Chennai Airport are updated daily.

  • How many operators does momondo search for flights from Illinois to Chennai Airport?

  • How old do you have to be to fly from Illinois to Chennai Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to Chennai Airport.

  • What documentation or ID do you need to fly to Chennai Airport?

    The travel and health documents required for your trip to Chennai Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Chennai Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Illinois to Chennai

Compare and see reviews for airlines that fly from Illinois to Chennai with momondo
Airline
Rating
Free Cancellation
Price
Etihad AirwaysPriceFrom ₹ 77,191Free CancellationRating
7.3
1,461 reviews
Search Etihad Airways flights
British AirwaysPriceFrom ₹ 83,716Free CancellationRating
6.7
8,067 reviews
Search British Airways flights
Air IndiaPriceFrom ₹ 109,041Free CancellationRating
5.5
2,958 reviews
Search Air India flights

Travelling to a place near Chennai?

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

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Chennai?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Chennai from Illinois.

Can I find flights from Illinois to Chennai with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Illinois to Chennai flights to just show those with flexible booking policies.

How can momondo help me find flights from Illinois to Chennai?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Chennai from Illinois.

I’m not ready to book a flight from Illinois to Chennai right now. Can momondo alert me if prices change?

Price alerts on flights to Chennai from Illinois are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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