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Cheap flights from Tamil Nadu to Illinois from ₹ 38,349

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Tamil Nadu to Illinois departing on 14/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Tamil Nadu to Illinois

Cheap return flights

Enter your travel dates to find the best prices.
Etihad Airways Logo
15:45 - 08:35
MAA
-
ORD
27h 20m
1 stop
Etihad Airways Logo
14:00 - 02:25
ORD
-
MAA
25h 55m
1 stop
₹ 68,467Etihad Airways
Sun, 22 Mar - Sun, 5 Apr
Etihad Airways Logo
15:45 - 08:35
MAA
-
ORD
27h 20m
1 stop
Etihad Airways Logo
14:00 - 20:10
ORD
-
MAA
19h 40m
1 stop
₹ 68,558Etihad Airways
Sun, 22 Mar - Sun, 29 Mar
Multiple Airlines Logo
10:00 - 07:35
MAA
-
ORD
33h 05m
1 stop
Multiple Airlines Logo
16:00 - 23:35
ORD
-
MAA
45h 05m
1 stop
₹ 68,738Multiple Airlines
Wed, 25 Feb - Tue, 18 Aug
Etihad Airways Logo
15:25 - 08:35
MAA
-
ORD
27h 40m
1 stop
Etihad Airways Logo
14:00 - 08:25
ORD
-
MAA
31h 55m
1 stop
₹ 68,829Etihad Airways
Fri, 13 Mar - Wed, 29 Apr
Etihad Airways Logo
15:25 - 08:35
MAA
-
ORD
27h 40m
1 stop
Etihad Airways Logo
14:00 - 20:10
ORD
-
MAA
19h 40m
1 stop
₹ 68,919Etihad Airways
Sun, 8 Mar - Thu, 30 Apr
Multiple Airlines Logo
07:10 - 08:35
CJB
-
ORD
35h 55m
2 stops
Multiple Airlines Logo
14:00 - 23:15
ORD
-
CJB
22h 45m
2 stops
₹ 85,652Multiple Airlines
Mon, 23 Mar - Mon, 30 Mar
British Airways Logo
05:35 - 22:19
MAA
-
STL
27h 14m
2 stops
British Airways Logo
16:32 - 03:30
STL
-
MAA
24h 28m
2 stops
₹ 101,208British Airways
Sun, 17 May - Sun, 16 Aug
British Airways Logo
05:35 - 19:19
MAA
-
STL
48h 14m
2 stops
British Airways Logo
07:44 - 03:30
STL
-
MAA
33h 16m
2 stops
₹ 101,480British Airways
Mon, 20 Jul - Sun, 20 Sep
Lufthansa Logo
01:55 - 13:25
MAA
-
STL
22h 00m
1 stop
Lufthansa Logo
08:25 - 00:10
STL
-
MAA
29h 15m
2 stops
₹ 115,408Lufthansa
Sat, 16 May - Sun, 16 Aug
Lufthansa Logo
18:00 - 13:25
MAA
-
STL
29h 55m
2 stops
Lufthansa Logo
15:30 - 00:10
STL
-
MAA
22h 10m
1 stop
₹ 140,733Lufthansa
Mon, 20 Jul - Sun, 20 Sep

Air India flights from Tamil Nadu to Illinois

Our best Air India deals on Tamil Nadu to Illinois flight tickets
Air India
8 Apr
CJB21:40Coimbatore Peelamedu
48h 00m
3 stops
ORD11:10Chicago O'Hare Intl
30 Sept
ORD13:10Chicago O'Hare Intl
39h 05m
1 stop
CJB14:45Coimbatore Peelamedu
₹ 102,746
Air India
14 Apr
CJB15:20Coimbatore Peelamedu
30h 20m
2 stops
ORD11:10Chicago O'Hare Intl
21 Sept
ORD13:10Chicago O'Hare Intl
39h 05m
1 stop
CJB14:45Coimbatore Peelamedu
₹ 110,976
Air India
14 Apr
CJB09:10Coimbatore Peelamedu
36h 30m
3 stops
ORD11:10Chicago O'Hare Intl
23 Sept
ORD13:10Chicago O'Hare Intl
32h 30m
2 stops
CJB08:10Coimbatore Peelamedu
₹ 111,971

Etihad Airways flights from Tamil Nadu to Illinois

Our best Etihad Airways deals on Tamil Nadu to Illinois flight tickets
Etihad Airways
22 Mar
MAA15:45Chennai
27h 20m
1 stop
ORD08:35Chicago O'Hare Intl
5 Apr
ORD14:00Chicago O'Hare Intl
25h 55m
1 stop
MAA02:25Chennai
₹ 68,467
Etihad Airways
22 Mar
MAA15:45Chennai
27h 20m
1 stop
ORD08:35Chicago O'Hare Intl
29 Mar
ORD14:00Chicago O'Hare Intl
19h 40m
1 stop
MAA20:10Chennai
₹ 68,558
Etihad Airways
13 Mar
MAA15:25Chennai
27h 40m
1 stop
ORD08:35Chicago O'Hare Intl
3 May
ORD14:00Chicago O'Hare Intl
19h 40m
1 stop
MAA20:10Chennai
₹ 68,829

momondo Fare Finder

 
Customise your flight search to find flights from Tamil Nadu 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, momondo users made 59,053 searches. Data last updated 8 February 2026.
Use the filters below to find and compare flights from Tamil Nadu to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Sun 22/3

15:45-08:35

1 stop27h 20m

Chicago O'Hare Intl

Sun 5/4

14:00-02:25

1 stop25h 55m

₹ 68,467

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Sun 22/3

15:45-08:35

1 stop27h 20m

Chicago O'Hare Intl

Sun 29/3

14:00-20:10

1 stop19h 40m

₹ 68,558

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Wed 25/2

10:00-07:35

1 stop33h 05m

Chicago O'Hare Intl

Tue 18/8

16:00-23:35

1 stop45h 05m

₹ 68,738

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Fri 13/3

15:25-08:35

1 stop27h 40m

Chicago O'Hare Intl

Wed 29/4

14:00-08:25

1 stop31h 55m

₹ 68,829

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Sun 8/3

15:25-08:35

1 stop27h 40m

Chicago O'Hare Intl

Thu 30/4

14:00-20:10

1 stop19h 40m

₹ 68,919

CoimbatoreChicago

CJB - ORD

CJBORD

Coimbatore Peelamedu

Mon 23/3

07:10-08:35

2 stops35h 55m

Chicago O'Hare Intl

Mon 30/3

14:00-23:15

2 stops22h 45m

₹ 85,652

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Sun 17/5

05:35-22:19

2 stops27h 14m

Lambert-St Louis

Sun 16/8

16:32-03:30

2 stops24h 28m

₹ 101,208

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Mon 20/7

05:35-19:19

2 stops48h 14m

Lambert-St Louis

Sun 20/9

07:44-03:30

2 stops33h 16m

₹ 101,480

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Sat 16/5

01:55-13:25

1 stop22h 00m

Lambert-St Louis

Sun 16/8

08:25-00:10

2 stops29h 15m

₹ 115,408

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Mon 20/7

18:00-13:25

2 stops29h 55m

Lambert-St Louis

Sun 20/9

15:30-00:10

1 stop22h 10m

₹ 140,733

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 Illinois from

How to get the cheapest flight ticket from Tamil Nadu to Illinois

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 Illinois?

In general, October is the cheapest month to fly from Tamil Nadu to Illinois. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around ₹ 79,682. If you aren’t able to travel during the month of October, then book flights to Illinois from Tamil Nadu during February instead. Flights to Illinois in February, while not as cheap as those in October, still average around ₹ 81,582.

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

You are more likely to see cheaper flights to Illinois from Tamil Nadu when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around ₹ 96,792 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Tamil Nadu for as low as ₹ 72,899 on momondo.

Can stopping save me money on Tamil Nadu to Illinois flights?

You could potentially save up to 21% on your flight if you consider stops on a Tamil Nadu to Illinois flight.

Cheap Tamil Nadu to Illinois flight deals and tips

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

Fastest flight time

21h 15m

Direct flights

None
The fastest flight from Tamil Nadu to Illinois takes 21h 15m
There are no direct flights from Tamil Nadu to Illinois. There are no popular flight routes from Tamil Nadu to Illinois.
Search flight deals

  • When did momondo last update prices for flights from Tamil Nadu to Illinois?

    Prices for flights from Tamil Nadu to Illinois are refreshed on a daily basis.

  • How many operators does momondo search for flights from Tamil Nadu to Illinois?

  • How old do you have to be to fly from Tamil Nadu to Illinois?

    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 Tamil Nadu to Illinois.

  • What documentation or ID do you need to fly to Illinois?

    The travel and health documents required for your trip to Illinois 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 Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Tamil Nadu to Illinois

Compare and see reviews for airlines that fly from Tamil Nadu to Illinois with momondo
Airline
Rating
Free Cancellation
Price
Etihad AirwaysPriceFrom ₹ 70,045Free CancellationRating
7.3
1,387 reviews
Search Etihad Airways flights
Air IndiaPriceFrom ₹ 72,636Free CancellationRating
5.5
2,966 reviews
Search Air India flights
Qatar AirwaysPriceFrom ₹ 81,641Free CancellationRating
7.4
3,728 reviews
Search Qatar Airways flights
LufthansaPriceFrom ₹ 81,655Free CancellationRating
6.8
7,773 reviews
Search Lufthansa flights
British AirwaysPriceFrom ₹ 87,887Free CancellationRating
6.7
7,720 reviews
Search British Airways flights
EmiratesPriceFrom ₹ 94,225Free CancellationRating
8.1
3,509 reviews
Search Emirates flights

Why use momondo?

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

It is quick and easy to find Tamil Nadu to Illinois flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Illinois that suits you.

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

momondo does allow users to show only those flights to Illinois from Tamil Nadu which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Tamil Nadu to Illinois?

Once all potential Tamil Nadu to Illinois flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are not ready to book a flight from Tamil Nadu to Illinois now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Illinois and let you know when they change.

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Find better results for your trip to Illinois

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Popular flights according to clicks in the last 7 days on momondo
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