Which airlines fly to Illinois?

Etihad Airways, Qatar Airways and Air India are the top three most popular airlines that fly to Illinois from Kolkata according to our data. Etihad Airways is the first choice among our users, with 36% of people opting to fly with this airline when travelling to Illinois. Keep in mind that there are 3 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 Kolkata Netaji S. Chandra Airport to Illinois?

Prices for flights from Kolkata Netaji S. Chandra Airport to Illinois were last updated today.

How many operators does momondo search for flights from Kolkata Netaji S. Chandra Airport to Illinois?

There are 3 operators available for flights from Kolkata Netaji S. Chandra Airport to Illinois as of February 2026.

How old do you have to be to fly from Kolkata Netaji S. Chandra Airport to Illinois?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Kolkata Netaji S. Chandra 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.

₹ 43,992 Cheap Flights from Kolkata to Illinois in 2026

1 adult

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Find the cheapest flights from Kolkata to Illinois

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

23:00 - 16:05

CCU

ORD

51h 35m

2 stops

13:10 - 20:15

ORD

CCU

20h 35m

1 stop

₹ 82,190Multiple Airlines

Wed, 11 Mar - Fri, 31 Jul

23:00 - 16:05

CCU

ORD

51h 35m

2 stops

13:10 - 20:15

ORD

CCU

20h 35m

1 stop

₹ 82,733Multiple Airlines

Wed, 11 Mar - Wed, 29 Jul

07:05 - 08:35

CCU

ORD

36h 00m

2 stops

14:00 - 00:35

ORD

CCU

24h 05m

2 stops

₹ 83,276Multiple Airlines

Sun, 22 Mar - Sun, 29 Mar

23:00 - 07:35

CCU

ORD

44h 05m

2 stops

14:30 - 23:15

ORD

CCU

22h 15m

1 stop

₹ 84,000Multiple Airlines

Sun, 1 Mar - Mon, 16 Mar

22:00 - 08:35

CCU

ORD

45h 05m

2 stops

13:10 - 20:15

ORD

CCU

20h 35m

1 stop

₹ 84,453Multiple Airlines

Mon, 9 Mar - Fri, 31 Jul

04:55 - 08:35

CCU

ORD

38h 10m

2 stops

13:10 - 20:15

ORD

CCU

20h 35m

1 stop

₹ 85,087Multiple Airlines

Fri, 13 Mar - Wed, 29 Jul

04:55 - 08:35

CCU

ORD

38h 10m

2 stops

13:10 - 20:15

ORD

CCU

20h 35m

1 stop

₹ 85,268Multiple Airlines

Mon, 9 Mar - Wed, 29 Jul

20:55 - 18:29

CCU

ORD

32h 04m

2 stops

13:10 - 20:15

ORD

CCU

20h 35m

1 stop

₹ 85,449Multiple Airlines

Sun, 15 Mar - Fri, 31 Jul

08:45 - 08:35

CCU

ORD

34h 20m

3 stops

14:00 - 00:35

ORD

CCU

24h 05m

2 stops

₹ 85,720Multiple Airlines

Sun, 22 Mar - Sun, 29 Mar

04:55 - 08:35

CCU

ORD

38h 10m

2 stops

13:10 - 20:15

ORD

CCU

20h 35m

1 stop

₹ 85,811Multiple Airlines

Sat, 14 Mar - Wed, 29 Jul

Etihad Airways flights from Kolkata to Illinois

Our best Etihad Airways deals on Kolkata to Illinois flight tickets

Etihad Airways

20 Mar

CCU03:35Kolkata Netaji S. Chandra

39h 30m

1 stop

ORD08:35Chicago O'Hare Intl

28 Mar

ORD14:10Chicago O'Hare Intl

19h 50m

1 stop

CCU20:30Kolkata Netaji S. Chandra

₹ 86,987

Etihad Airways

22 Mar

CCU20:55Kolkata Netaji S. Chandra

22h 10m

1 stop

ORD08:35Chicago O'Hare Intl

29 Mar

ORD14:00Chicago O'Hare Intl

20h 00m

1 stop

CCU20:30Kolkata Netaji S. Chandra

₹ 88,255

Etihad Airways

16 Feb

CCU03:35Kolkata Netaji S. Chandra

39h 30m

1 stop

ORD07:35Chicago O'Hare Intl

21 Feb

ORD13:10Chicago O'Hare Intl

19h 20m

1 stop

CCU20:00Kolkata Netaji S. Chandra

₹ 90,427

KLM flights from Kolkata to Illinois

Our best KLM deals on Kolkata to Illinois flight tickets

KLM

5 May

CCU22:30Kolkata Netaji S. Chandra

51h 10m

2 stops

ORD15:10Chicago O'Hare Intl

20 Sept

ORD16:20Chicago O'Hare Intl

28h 40m

2 stops

CCU07:30Kolkata Netaji S. Chandra

₹ 86,625

KLM

12 May

CCU20:45Kolkata Netaji S. Chandra

28h 15m

2 stops

ORD14:30Chicago O'Hare Intl

20 Sept

ORD16:20Chicago O'Hare Intl

29h 35m

2 stops

CCU08:25Kolkata Netaji S. Chandra

₹ 88,436

KLM

26 Apr

CCU20:45Kolkata Netaji S. Chandra

28h 15m

2 stops

ORD14:30Chicago O'Hare Intl

1 Jun

ORD16:50Chicago O'Hare Intl

28h 10m

2 stops

CCU07:30Kolkata Netaji S. Chandra

₹ 92,690

Fly from

Fly to

Route

Depart

Return

Price

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Wed 11/3

23:00-16:05

2 stops51h 35m

Chicago O'Hare Intl

Fri 31/7

13:10-20:15

1 stop20h 35m

₹ 82,190

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Wed 11/3

23:00-16:05

2 stops51h 35m

Chicago O'Hare Intl

Wed 29/7

13:10-20:15

1 stop20h 35m

₹ 82,733

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Sun 22/3

07:05-08:35

2 stops36h 00m

Chicago O'Hare Intl

Sun 29/3

14:00-00:35

2 stops24h 05m

₹ 83,276

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Sun 1/3

23:00-07:35

2 stops44h 05m

Chicago O'Hare Intl

Mon 16/3

14:30-23:15

1 stop22h 15m

₹ 84,000

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Mon 9/3

22:00-08:35

2 stops45h 05m

Chicago O'Hare Intl

Fri 31/7

13:10-20:15

1 stop20h 35m

₹ 84,453

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Fri 13/3

04:55-08:35

2 stops38h 10m

Chicago O'Hare Intl

Wed 29/7

13:10-20:15

1 stop20h 35m

₹ 85,087

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Mon 9/3

04:55-08:35

2 stops38h 10m

Chicago O'Hare Intl

Wed 29/7

13:10-20:15

1 stop20h 35m

₹ 85,268

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Sun 15/3

20:55-18:29

2 stops32h 04m

Chicago O'Hare Intl

Fri 31/7

13:10-20:15

1 stop20h 35m

₹ 85,449

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Sun 22/3

08:45-08:35

3 stops34h 20m

Chicago O'Hare Intl

Sun 29/3

14:00-00:35

2 stops24h 05m

₹ 85,720

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Sat 14/3

04:55-08:35

2 stops38h 10m

Chicago O'Hare Intl

Wed 29/7

13:10-20:15

1 stop20h 35m

₹ 85,811

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Kolkata 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

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

You are more likely to see cheaper flights to Illinois from Kolkata when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around ₹ 107,316 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 Kolkata for as low as ₹ 85,449 on momondo.

Can stopping save me money on Kolkata to Illinois flights?

You could potentially save up to 10% on your flight if you consider stops on a Kolkata to Illinois flight.

Cheap Kolkata to Illinois flight deals and tips

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

Fastest flight time	21h 35m
Direct flights	None

The fastest flight from Kolkata to Illinois takes 21h 35m

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

Search flight deals

When did momondo last update prices for flights from Kolkata Netaji S. Chandra Airport to Illinois?
Prices for flights from Kolkata Netaji S. Chandra Airport to Illinois were last updated today.
How many operators does momondo search for flights from Kolkata Netaji S. Chandra Airport to Illinois?
There are 3 operators available for flights from Kolkata Netaji S. Chandra Airport to Illinois as of February 2026.
How old do you have to be to fly from Kolkata Netaji S. Chandra Airport to Illinois?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Kolkata Netaji S. Chandra 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 Kolkata to Illinois

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

Airline	Rating	Free Cancellation	Price
Air India	PriceFrom ₹ 85,220	Free Cancellation	Rating 5.5 2,972 reviews	Search Air India flights
Etihad Airways	PriceFrom ₹ 89,349	Free Cancellation	Rating 7.3 1,387 reviews	Search Etihad Airways flights
Qatar Airways	PriceFrom ₹ 104,300	Free Cancellation	Rating 7.4 3,730 reviews	Search Qatar Airways flights

Why use momondo?

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

Finding the right flight to Illinois from Kolkata is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Illinois quick and easy, saving you time and money.

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

All flight searches from Kolkata to Illinois on momondo can be filtered to show those which offer flexible booking policies.

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

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 Illinois from Kolkata.

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

If you are simply researching potential flights to Illinois, momondo offers a useful price alert feature which will track prices for flights to Illinois from Kolkata and alert you when they change.