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Cheap flights from Illinois to Chennai from ₹ 35,171

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 1/5. 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

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Find the cheapest flights from Illinois to Chennai

Cheap return flights

Enter your travel dates to find the best prices.
Etihad Airways Logo
14:00 - 20:10
ORD
-
MAA
19h 40m
1 stop
Etihad Airways Logo
10:15 - 15:40
MAA
-
ORD
39h 55m
1 stop
₹ 73,250Etihad Airways
Wed, 29 Apr - Mon, 15 Jun
Etihad Airways Logo
14:00 - 20:10
ORD
-
MAA
19h 40m
1 stop
Etihad Airways Logo
21:55 - 08:35
MAA
-
ORD
21h 10m
1 stop
₹ 73,438Etihad Airways
Wed, 6 May - Tue, 19 May
Etihad Airways Logo
21:10 - 02:25
ORD
-
MAA
18h 45m
1 stop
Etihad Airways Logo
04:05 - 15:40
MAA
-
ORD
22h 05m
1 stop
₹ 73,625Etihad Airways
Mon, 31 Aug - Thu, 17 Sep
Etihad Airways Logo
14:00 - 02:50
ORD
-
MAA
26h 20m
1 stop
Etihad Airways Logo
21:55 - 08:35
MAA
-
ORD
21h 10m
1 stop
₹ 73,719Etihad Airways
Wed, 13 May - Sun, 24 May
Etihad Airways Logo
13:00 - 20:15
ORD
-
MAA
20h 45m
1 stop
Etihad Airways Logo
21:55 - 09:15
MAA
-
ORD
21h 50m
1 stop
₹ 73,813Etihad Airways
Thu, 9 Apr - Sun, 12 Apr
Multiple Airlines Logo
07:00 - 20:10
STL
-
MAA
26h 40m
2 stops
Multiple Airlines Logo
04:05 - 23:20
MAA
-
STL
29h 45m
2 stops
₹ 89,288Multiple Airlines
Wed, 15 Apr - Wed, 9 Sep
Multiple Airlines Logo
07:00 - 20:10
STL
-
MAA
26h 40m
2 stops
Multiple Airlines Logo
16:05 - 15:12
MAA
-
STL
33h 37m
2 stops
₹ 89,382Multiple Airlines
Sun, 19 Apr - Sun, 26 Apr
Qatar Airways Logo
16:30 - 02:40
STL
-
MAA
23h 40m
2 stops
Qatar Airways Logo
04:20 - 19:33
MAA
-
STL
25h 43m
2 stops
₹ 92,102Qatar Airways
Wed, 6 May - Wed, 13 May
Qatar Airways Logo
16:30 - 02:40
STL
-
MAA
23h 40m
2 stops
Qatar Airways Logo
03:55 - 19:33
MAA
-
STL
26h 08m
2 stops
₹ 92,946Qatar Airways
Wed, 6 May - Tue, 12 May
British Airways Logo
19:02 - 03:30
PIA
-
MAA
21h 58m
2 stops
British Airways Logo
05:35 - 23:33
MAA
-
PIA
28h 28m
2 stops
₹ 710,647British Airways
Sun, 5 Apr - Thu, 9 Apr

Qatar Airways flights from Illinois to Chennai

Our best Qatar Airways deals on Illinois to Chennai flight tickets
Qatar Airways
5 Apr
ORD19:20Chicago O'Hare Intl
21h 00m
1 stop
MAA02:50Chennai
20 Apr
MAA04:20Chennai
21h 15m
1 stop
ORD15:05Chicago O'Hare Intl
₹ 78,784
Qatar Airways
6 Apr
ORD06:00Chicago O'Hare Intl
34h 20m
2 stops
MAA02:50Chennai
21 Apr
MAA04:20Chennai
21h 15m
1 stop
ORD15:05Chicago O'Hare Intl
₹ 84,692
Qatar Airways
29 Mar
ORD19:20Chicago O'Hare Intl
21h 00m
1 stop
MAA02:50Chennai
2 Apr
MAA04:20Chennai
21h 15m
1 stop
ORD15:05Chicago O'Hare Intl
₹ 84,880

Etihad Airways flights from Illinois to Chennai

Our best Etihad Airways deals on Illinois to Chennai flight tickets
Etihad Airways
29 Apr
ORD14:00Chicago O'Hare Intl
19h 40m
1 stop
MAA20:10Chennai
15 Jun
MAA10:15Chennai
39h 55m
1 stop
ORD15:40Chicago O'Hare Intl
₹ 73,250
Etihad Airways
6 May
ORD14:00Chicago O'Hare Intl
19h 40m
1 stop
MAA20:10Chennai
19 May
MAA21:55Chennai
21h 10m
1 stop
ORD08:35Chicago O'Hare Intl
₹ 73,438
Etihad Airways
1 Apr
ORD13:00Chicago O'Hare Intl
20h 45m
1 stop
MAA20:15Chennai
12 Apr
MAA04:05Chennai
39h 40m
1 stop
ORD09:15Chicago O'Hare Intl
₹ 73,531

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 25 March 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

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Wed 29/4

14:00-20:10

1 stop19h 40m

Chennai

Mon 15/6

10:15-15:40

1 stop39h 55m

₹ 73,250
Fastest return journey

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Wed 6/5

14:00-20:10

1 stop19h 40m

Chennai

Tue 19/5

21:55-08:35

1 stop21h 10m

₹ 73,438

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Mon 31/8

21:10-02:25

1 stop18h 45m

Chennai

Thu 17/9

04:05-15:40

1 stop22h 05m

₹ 73,625

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Wed 13/5

14:00-02:50

1 stop26h 20m

Chennai

Sun 24/5

21:55-08:35

1 stop21h 10m

₹ 73,719

ChicagoChennai

ORD - MAA

ORDMAA

Chicago O'Hare Intl

Thu 9/4

13:00-20:15

1 stop20h 45m

Chennai

Sun 12/4

21:55-09:15

1 stop21h 50m

₹ 73,813

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Wed 15/4

07:00-20:10

2 stops26h 40m

Chennai

Wed 9/9

04:05-23:20

2 stops29h 45m

₹ 89,288

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Sun 19/4

07:00-20:10

2 stops26h 40m

Chennai

Sun 26/4

16:05-15:12

2 stops33h 37m

₹ 89,382

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Wed 6/5

16:30-02:40

2 stops23h 40m

Chennai

Wed 13/5

04:20-19:33

2 stops25h 43m

₹ 92,102

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Wed 6/5

16:30-02:40

2 stops23h 40m

Chennai

Tue 12/5

03:55-19:33

2 stops26h 08m

₹ 92,946

PeoriaChennai

PIA - MAA

PIAMAA

Greater Peoria

Sun 5/4

19:02-03:30

2 stops21h 58m

Chennai

Thu 9/4

05:35-23:33

2 stops28h 28m

₹ 710,647

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 April is another great option to travel to Chennai, with average flight prices from Illinois averaging around ₹ 78,877.

How far in advance should I book a flight 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 ₹ 97,120 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 ₹ 85,161 on momondo.

Can stopping save me money on Illinois to Chennai flights?

You could potentially save up to 25% 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 45m

Direct flights

None
The fastest flight from Illinois to Chennai takes 18h 45m
There are no direct flights from Illinois to Chennai. There are no popular flight routes from Illinois to Chennai.
Search flight deals

  • 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
Air IndiaPriceFrom ₹ 69,824Free CancellationRating
5.5
2,972 reviews
Search Air India flights
Etihad AirwaysPriceFrom ₹ 72,007Free CancellationRating
7.3
1,429 reviews
Search Etihad Airways flights
British AirwaysPriceFrom ₹ 80,415Free CancellationRating
6.7
7,820 reviews
Search British Airways 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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