What is the cheapest airline that flies from Chennai to Illinois?

Qatar Airways, KLM, and Emirates are the most popular carriers operating from Chennai to Illinois

What airlines fly to Illinois?

Etihad Airways, Emirates and Qatar Airways are the top three most popular airlines that fly to Illinois from Chennai according to our data. Etihad Airways is the first choice among our users, with 57% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 5 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Chennai Airport to Illinois are refreshed on a daily basis.

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

There are 6 operators available for flights from Chennai Airport to Illinois as of May 2026.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Chennai Airport to Illinois.

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

The required travel and health documents for your Illinois trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$538 Cheap Flights from Chennai to Illinois in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Chennai to Illinois

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:40 pm - 8:35 am

MAA

ORD

27h 25m

1 stop

9:10 pm - 8:25 am

ORD

MAA

24h 45m

1 stop

$894Etihad Airways

Sun, Jun 28 - Sun, Jul 12

10:15 am - 8:35 am

MAA

ORD

32h 50m

1 stop

8:20 pm - 2:30 am

ORD

MAA

18h 40m

1 stop

$905Etihad Airways

Wed, Jul 8 - Wed, Nov 11

10:15 am - 8:35 am

MAA

ORD

32h 50m

1 stop

2:00 pm - 8:10 pm

ORD

MAA

19h 40m

1 stop

$907Etihad Airways

Tue, Jul 21 - Wed, Aug 19

8:15 am - 6:50 am

MAA

ORD

33h 05m

2 stops

11:10 am - 7:25 am

ORD

MAA

33h 45m

2 stops

$927Oman Air

Mon, Jun 8 - Tue, Sep 8

8:40 pm - 12:35 pm

MAA

ORD

26h 25m

2 stops

4:20 pm - 12:05 am

ORD

MAA

20h 15m

1 stop

$956Multiple Airlines

Sun, Sep 13 - Sat, Mar 6

4:20 am - 12:16 am

MAA

STL

30h 26m

2 stops

8:36 am - 2:50 am

STL

MAA

31h 44m

2 stops

$1,284Qatar Airways

Thu, Jun 18 - Tue, Aug 11

4:25 am - 10:57 pm

MAA

STL

29h 02m

2 stops

9:31 am - 2:50 am

STL

MAA

30h 49m

2 stops

$1,285Qatar Airways

Tue, Jun 16 - Tue, Aug 11

10:05 pm - 9:30 pm

MAA

STL

33h 55m

2 stops

3:11 pm - 2:30 am

STL

MAA

24h 49m

2 stops

$1,371Emirates

Wed, Jun 17 - Mon, Oct 19

9:50 am - 9:30 pm

MAA

STL

46h 10m

2 stops

3:11 pm - 8:30 pm

STL

MAA

42h 49m

2 stops

$1,381Emirates

Mon, Jun 15 - Mon, Oct 19

4:20 am - 2:35 pm

MAA

MDW

44h 45m

2 stops

10:25 am - 2:50 am

MDW

MAA

29h 55m

2 stops

$1,798Multiple Airlines

Wed, Jul 1 - Thu, Jul 16

Emirates flights from Chennai to Illinois

Our best Emirates deals on Chennai to Illinois flight tickets

Emirates

Jun 16

MAA10:05 pmChennai

28h 10m

1 stop

ORD3:45 pmChicago O'Hare Intl

Dec 3

ORD7:45 pmChicago O'Hare Intl

36h 55m

1 stop

MAA8:10 pmChennai

$966

Emirates

Jun 23

MAA4:05 amChennai

22h 10m

1 stop

ORD3:45 pmChicago O'Hare Intl

Jul 16

ORD8:35 pmChicago O'Hare Intl

19h 25m

1 stop

MAA2:30 amChennai

$968

Emirates

Jun 8

MAA9:50 amChennai

40h 25m

1 stop

ORD3:45 pmChicago O'Hare Intl

Jun 16

ORD8:35 pmChicago O'Hare Intl

19h 25m

1 stop

MAA2:30 amChennai

$975

Etihad Airways flights from Chennai to Illinois

Our best Etihad Airways deals on Chennai to Illinois flight tickets

Etihad Airways

Sep 8

MAA9:55 pmChennai

28h 15m

1 stop

ORD3:40 pmChicago O'Hare Intl

Feb 18

ORD1:10 pmChicago O'Hare Intl

25h 50m

1 stop

MAA2:30 amChennai

$905

Etihad Airways

Jul 21

MAA10:15 amChennai

32h 50m

1 stop

ORD8:35 amChicago O'Hare Intl

Aug 19

ORD2:00 pmChicago O'Hare Intl

19h 40m

1 stop

MAA8:10 pmChennai

$907

Etihad Airways

Jun 17

MAA10:15 amChennai

39h 55m

1 stop

ORD3:40 pmChicago O'Hare Intl

Jul 17

ORD9:10 pmChicago O'Hare Intl

24h 45m

1 stop

MAA8:25 amChennai

$916

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Sun 6/28

3:40 pm-8:35 am

1 stop27h 25m

Chicago O'Hare Intl

Sun 7/12

9:10 pm-8:25 am

1 stop24h 45m

$894

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Wed 7/8

10:15 am-8:35 am

1 stop32h 50m

Chicago O'Hare Intl

Wed 11/11

8:20 pm-2:30 am

1 stop18h 40m

$905

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Tue 7/21

10:15 am-8:35 am

1 stop32h 50m

Chicago O'Hare Intl

Wed 8/19

2:00 pm-8:10 pm

1 stop19h 40m

$907

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Mon 6/8

8:15 am-6:50 am

2 stops33h 05m

Chicago O'Hare Intl

Tue 9/8

11:10 am-7:25 am

2 stops33h 45m

$927

Quickest round-trip

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Sun 9/13

8:40 pm-12:35 pm

2 stops26h 25m

Chicago O'Hare Intl

Sat 3/6

4:20 pm-12:05 am

1 stop20h 15m

$956

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Thu 6/18

4:20 am-12:16 am

2 stops30h 26m

Lambert-St Louis

Tue 8/11

8:36 am-2:50 am

2 stops31h 44m

$1,284

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Tue 6/16

4:25 am-10:57 pm

2 stops29h 02m

Lambert-St Louis

Tue 8/11

9:31 am-2:50 am

2 stops30h 49m

$1,285

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Wed 6/17

10:05 pm-9:30 pm

2 stops33h 55m

Lambert-St Louis

Mon 10/19

3:11 pm-2:30 am

2 stops24h 49m

$1,371

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Mon 6/15

9:50 am-9:30 pm

2 stops46h 10m

Lambert-St Louis

Mon 10/19

3:11 pm-8:30 pm

2 stops42h 49m

$1,381

ChennaiChicago

MAA - MDW

MAAMDW

Chennai

Wed 7/1

4:20 am-2:35 pm

2 stops44h 45m

Chicago Midway

Thu 7/16

10:25 am-2:50 am

2 stops29h 55m

$1,798

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Chennai 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

Prices

Airlines

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from Chennai is in April. Flight prices, which tend to average around $408, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of April, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $564.

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

You are more likely to see cheaper flights to Illinois from Chennai when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $1,006 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Chennai for as low as $906 on momondo.

Can stopping save me money on Chennai to Illinois flights?

You could potentially save up to 24% on your flight if you consider stops on a Chennai to Illinois flight.

Cheap Chennai to Illinois flight deals and tips

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

Fastest flight time	21h 10m
Direct flights	None

The fastest flight from Chennai to Illinois takes 21h 10m

There are no direct flights from Chennai to Illinois. There are no popular flight routes from Chennai to Illinois.

Search flight deals

Frequently asked questions about flying from Chennai to Illinois

When did momondo last update prices for flights from Chennai Airport to Illinois?
Prices for flights from Chennai Airport to Illinois are refreshed on a daily basis.
How many operators does momondo search for flights from Chennai Airport to Illinois?
There are 6 operators available for flights from Chennai Airport to Illinois as of May 2026.
How old do you have to be to fly from Chennai Airport to Illinois?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Chennai Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The required travel and health documents for your Illinois trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Chennai to Illinois

Compare and see reviews for airlines that fly from Chennai to Illinois with momondo

Airline	Rating	Free Cancellation	Price
Etihad Airways	PriceFrom $774	Free Cancellation	Rating 7.3 1,437 reviews	Search Etihad Airways flights
Air India	PriceFrom $815	Free Cancellation	Rating 5.5 2,957 reviews	Search Air India flights
Qatar Airways	PriceFrom $821	Free Cancellation	Rating 7.4 3,726 reviews	Search Qatar Airways flights
Lufthansa	PriceFrom $906	Free Cancellation	Rating 6.8 8,010 reviews	Search Lufthansa flights
Emirates	PriceFrom $954	Free Cancellation	Rating 8.1 3,570 reviews	Search Emirates flights

Why use momondo?

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

It is quick and easy to find Chennai 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 Chennai to Illinois with flexible booking policies on momondo?

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

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

Once all potential Chennai 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 Chennai to Illinois right now. Can momondo alert me if prices change?

Price alerts on flights to Illinois from Chennai 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.