What airlines fly to Illinois?

Etihad Airways, Emirates and Air India 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 49% 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.

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

Qatar Airways, Oman Air, and Emirates are the most popular carriers operating 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 April 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.

$500 Cheap Flights from Chennai to Illinois in 2026

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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.

9:55 pm - 9:15 am

MAA

ORD

21h 50m

1 stop

9:10 pm - 8:25 am

ORD

MAA

24h 45m

1 stop

$801Etihad Airways

Wed, Apr 22 - Wed, Jul 22

4:05 pm - 8:35 am

MAA

ORD

27h 00m

1 stop

2:10 pm - 2:30 am

ORD

MAA

25h 50m

1 stop

$802Etihad Airways

Thu, May 7 - Sat, Oct 31

10:15 am - 8:35 am

MAA

ORD

32h 50m

1 stop

2:00 pm - 8:10 pm

ORD

MAA

19h 40m

1 stop

$803Etihad Airways

Wed, Jun 10 - Tue, Jul 21

4:05 am - 8:35 am

MAA

ORD

39h 00m

1 stop

1:10 pm - 3:10 pm

ORD

MAA

38h 30m

1 stop

$806Etihad Airways

Sat, May 9 - Thu, Nov 5

4:05 am - 8:35 am

MAA

ORD

39h 00m

1 stop

9:10 pm - 2:25 am

ORD

MAA

18h 45m

1 stop

$808Etihad Airways

Tue, Jun 2 - Sun, Aug 9

4:05 am - 8:35 am

MAA

ORD

39h 00m

1 stop

2:10 pm - 2:30 am

ORD

MAA

25h 50m

1 stop

$809Etihad Airways

Fri, May 8 - Wed, Oct 28

4:05 pm - 2:50 pm

MAA

STL

33h 15m

2 stops

9:32 am - 2:25 am

STL

MAA

30h 23m

2 stops

$972Multiple Airlines

Wed, Jul 15 - Wed, Sep 16

4:20 am - 8:30 pm

MAA

STL

26h 40m

2 stops

10:14 am - 2:50 am

STL

MAA

30h 06m

2 stops

$1,342Qatar Airways

Wed, Jun 10 - Wed, Sep 16

4:20 am - 11:54 pm

MAA

STL

30h 04m

2 stops

9:45 am - 2:40 am

STL

MAA

30h 25m

2 stops

$1,346Qatar Airways

Wed, Jun 17 - Wed, Aug 12

3:55 am - 7:21 pm

MAA

STL

25h 56m

2 stops

11:48 am - 2:50 am

STL

MAA

28h 32m

2 stops

$1,350Qatar Airways

Mon, Jun 15 - Tue, Aug 11

Etihad Airways flights from Chennai to Illinois

Our best Etihad Airways deals on Chennai to Illinois flight tickets

Etihad Airways

Apr 22

MAA9:55 pmChennai

21h 50m

1 stop

ORD9:15 amChicago O'Hare Intl

Jul 22

ORD9:10 pmChicago O'Hare Intl

24h 45m

1 stop

MAA8:25 amChennai

$801

Etihad Airways

May 7

MAA4:05 pmChennai

27h 00m

1 stop

ORD8:35 amChicago O'Hare Intl

Oct 31

ORD2:10 pmChicago O'Hare Intl

25h 50m

1 stop

MAA2:30 amChennai

$802

Etihad Airways

Jun 10

MAA10:15 amChennai

32h 50m

1 stop

ORD8:35 amChicago O'Hare Intl

Jul 21

ORD2:00 pmChicago O'Hare Intl

19h 40m

1 stop

MAA8:10 pmChennai

$803

Qatar Airways flights from Chennai to Illinois

Our best Qatar Airways deals on Chennai to Illinois flight tickets

Qatar Airways

Apr 13

MAA3:55 amChennai

23h 10m

1 stop

ORD4:35 pmChicago O'Hare Intl

May 6

ORD7:20 pmChicago O'Hare Intl

21h 05m

1 stop

MAA2:55 amChennai

$861

Qatar Airways

Apr 14

MAA3:55 amChennai

23h 10m

1 stop

ORD4:35 pmChicago O'Hare Intl

May 6

ORD7:20 pmChicago O'Hare Intl

21h 05m

1 stop

MAA2:55 amChennai

$896

Qatar Airways

Apr 14

MAA3:55 amChennai

23h 10m

1 stop

ORD4:35 pmChicago O'Hare Intl

Oct 3

ORD7:20 pmChicago O'Hare Intl

21h 00m

1 stop

MAA2:50 amChennai

$948

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Wed 4/22

9:55 pm-9:15 am

1 stop21h 50m

Chicago O'Hare Intl

Wed 7/22

9:10 pm-8:25 am

1 stop24h 45m

$801

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Thu 5/7

4:05 pm-8:35 am

1 stop27h 00m

Chicago O'Hare Intl

Sat 10/31

2:10 pm-2:30 am

1 stop25h 50m

$802

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Wed 6/10

10:15 am-8:35 am

1 stop32h 50m

Chicago O'Hare Intl

Tue 7/21

2:00 pm-8:10 pm

1 stop19h 40m

$803

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Sat 5/9

4:05 am-8:35 am

1 stop39h 00m

Chicago O'Hare Intl

Thu 11/5

1:10 pm-3:10 pm

1 stop38h 30m

$806

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Tue 6/2

4:05 am-8:35 am

1 stop39h 00m

Chicago O'Hare Intl

Sun 8/9

9:10 pm-2:25 am

1 stop18h 45m

$808

ChennaiChicago

MAA - ORD

MAAORD

Chennai

Fri 5/8

4:05 am-8:35 am

1 stop39h 00m

Chicago O'Hare Intl

Wed 10/28

2:10 pm-2:30 am

1 stop25h 50m

$809

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Wed 7/15

4:05 pm-2:50 pm

2 stops33h 15m

Lambert-St Louis

Wed 9/16

9:32 am-2:25 am

2 stops30h 23m

$972

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Wed 6/10

4:20 am-8:30 pm

2 stops26h 40m

Lambert-St Louis

Wed 9/16

10:14 am-2:50 am

2 stops30h 06m

$1,342

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Wed 6/17

4:20 am-11:54 pm

2 stops30h 04m

Lambert-St Louis

Wed 8/12

9:45 am-2:40 am

2 stops30h 25m

$1,346

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Mon 6/15

3:55 am-7:21 pm

2 stops25h 56m

Lambert-St Louis

Tue 8/11

11:48 am-2:50 am

2 stops28h 32m

$1,350

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 October. Flight prices, which tend to average around $881, 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 October, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $943.

How far in advance should I book a flight 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 $1,060 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 $845 on momondo.

Can stopping save me money on Chennai to Illinois flights?

You could potentially save up to 14% 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 April 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 $768	Free Cancellation	Rating 7.3 1,432 reviews	Search Etihad Airways flights
Air India	PriceFrom $818	Free Cancellation	Rating 5.5 2,972 reviews	Search Air India flights
Qatar Airways	PriceFrom $822	Free Cancellation	Rating 7.4 3,732 reviews	Search Qatar Airways flights
Lufthansa	PriceFrom $906	Free Cancellation	Rating 6.8 7,882 reviews	Search Lufthansa flights
Emirates	PriceFrom $960	Free Cancellation	Rating 8.1 3,551 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.