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Cheap flights from Kolkata to Illinois from ₹ 38,714

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Kolkata to Illinois departing on 6/12. 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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Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
20:15 - 14:20CCU-ORD
29h 35m2 stops
Multiple Airlines Logo
17:20 - 07:45ORD-CCU
26h 55m2 stops
₹ 70,932Multiple Airlines
Find Deal
Tue, 23 Dec - Wed, 7 Jan
Multiple Airlines Logo
20:45 - 15:10CCU-ORD
29h 55m2 stops
Multiple Airlines Logo
17:20 - 07:45ORD-CCU
26h 55m2 stops
₹ 71,195Multiple Airlines
Find Deal
Tue, 23 Dec - Wed, 7 Jan
Air India Logo
22:00 - 11:30CCU-ORD
25h 00m2 stops
Air India Logo
14:05 - 00:35ORD-CCU
47h 00m2 stops
₹ 77,955Air India
Find Deal
Sat, 20 Dec - Sat, 17 Jan
Air India Logo
00:30 - 11:30CCU-ORD
46h 30m2 stops
Air India Logo
14:05 - 18:25ORD-CCU
40h 50m2 stops
₹ 80,325Air India
Find Deal
Fri, 19 Dec - Sat, 17 Jan
Etihad Airways Logo
21:15 - 08:45CCU-ORD
22h 00m1 stop
Etihad Airways Logo
14:00 - 20:20ORD-CCU
19h 50m1 stop
₹ 86,031Etihad Airways
Find Deal
Wed, 15 Apr - Sun, 19 Apr
Qatar Airways Logo
03:25 - 14:30CCU-ORD
22h 35m1 stop
Qatar Airways Logo
18:50 - 01:55ORD-CCU
19h 35m1 stop
₹ 89,894Qatar Airways
Find Deal
Mon, 22 Dec - Wed, 7 Jan
Qatar Airways Logo
03:25 - 14:30CCU-ORD
22h 35m1 stop
Qatar Airways Logo
18:50 - 01:55ORD-CCU
19h 35m1 stop
₹ 92,616Qatar Airways
Find Deal
Mon, 22 Dec - Wed, 7 Jan
Etihad Airways Logo
03:45 - 08:45CCU-ORD
39h 30m1 stop
Etihad Airways Logo
14:00 - 20:20ORD-CCU
19h 50m1 stop
₹ 94,547Etihad Airways
Find Deal
Mon, 13 Apr - Tue, 16 Jun
Emirates Logo
09:15 - 15:45CCU-ORD
41h 00m1 stop
Emirates Logo
20:35 - 08:10ORD-CCU
25h 05m1 stop
₹ 102,711Emirates
Find Deal
Sun, 22 Mar - Mon, 15 Jun
Emirates Logo
09:45 - 15:45CCU-ORD
40h 30m1 stop
Emirates Logo
20:35 - 08:10ORD-CCU
25h 05m1 stop
₹ 102,887Emirates
Find Deal
Tue, 14 Apr - Tue, 16 Jun

Qatar Airways flights from Kolkata to Illinois

Our best Qatar Airways deals on Kolkata to Illinois flight tickets
Qatar Airways
22 Dec
CCU03:25Kolkata Netaji S. Chandra
22h 35m
1 stop
ORD14:30Chicago O'Hare Intl
7 Jan
ORD18:50Chicago O'Hare Intl
19h 35m
1 stop
CCU01:55Kolkata Netaji S. Chandra
₹ 89,894
Find similar
Qatar Airways
22 Dec
CCU03:25Kolkata Netaji S. Chandra
22h 35m
1 stop
ORD14:30Chicago O'Hare Intl
7 Jan
ORD18:50Chicago O'Hare Intl
19h 35m
1 stop
CCU01:55Kolkata Netaji S. Chandra
₹ 92,616
Find similar
Qatar Airways
26 Oct
CCU03:25Kolkata Netaji S. Chandra
40h 32m
2 stops
ORD09:27Chicago O'Hare Intl
8 Dec
ORD16:04Chicago O'Hare Intl
46h 21m
2 stops
CCU01:55Kolkata Netaji S. Chandra
₹ 136,948
Find similar

Air India flights from Kolkata to Illinois

Our best Air India deals on Kolkata to Illinois flight tickets
Air India
20 Dec
CCU22:00Kolkata Netaji S. Chandra
25h 00m
2 stops
ORD11:30Chicago O'Hare Intl
17 Jan
ORD14:05Chicago O'Hare Intl
47h 00m
2 stops
CCU00:35Kolkata Netaji S. Chandra
₹ 77,955
Find similar
Air India
19 Dec
CCU00:30Kolkata Netaji S. Chandra
46h 30m
2 stops
ORD11:30Chicago O'Hare Intl
17 Jan
ORD14:05Chicago O'Hare Intl
40h 50m
2 stops
CCU18:25Kolkata Netaji S. Chandra
₹ 80,325
Find similar
Air India
15 Apr
CCU21:20Kolkata Netaji S. Chandra
20h 35m
1 stop
ORD07:25Chicago O'Hare Intl
19 Apr
ORD12:00Chicago O'Hare Intl
21h 15m
1 stop
CCU19:45Kolkata Netaji S. Chandra
₹ 85,768
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Kolkata 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 25 October 2025.
Use the filters below to find and compare flights from Kolkata to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Tue 23/12

20:15-14:20

2 stops29h 35m

Chicago O'Hare Intl

Wed 7/1

17:20-07:45

2 stops26h 55m

₹ 70,932

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Tue 23/12

20:45-15:10

2 stops29h 55m

Chicago O'Hare Intl

Wed 7/1

17:20-07:45

2 stops26h 55m

₹ 71,195

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Sat 20/12

22:00-11:30

2 stops25h 00m

Chicago O'Hare Intl

Sat 17/1

14:05-00:35

2 stops47h 00m

₹ 77,955

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Fri 19/12

00:30-11:30

2 stops46h 30m

Chicago O'Hare Intl

Sat 17/1

14:05-18:25

2 stops40h 50m

₹ 80,325

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Wed 15/4

21:15-08:45

1 stop22h 00m

Chicago O'Hare Intl

Sun 19/4

14:00-20:20

1 stop19h 50m

₹ 86,031

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Mon 22/12

03:25-14:30

1 stop22h 35m

Chicago O'Hare Intl

Wed 7/1

18:50-01:55

1 stop19h 35m

₹ 89,894

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Mon 22/12

03:25-14:30

1 stop22h 35m

Chicago O'Hare Intl

Wed 7/1

18:50-01:55

1 stop19h 35m

₹ 92,616

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Mon 13/4

03:45-08:45

1 stop39h 30m

Chicago O'Hare Intl

Tue 16/6

14:00-20:20

1 stop19h 50m

₹ 94,547

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Sun 22/3

09:15-15:45

1 stop41h 00m

Chicago O'Hare Intl

Mon 15/6

20:35-08:10

1 stop25h 05m

₹ 102,711

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Tue 14/4

09:45-15:45

1 stop40h 30m

Chicago O'Hare Intl

Tue 16/6

20:35-08:10

1 stop25h 05m

₹ 102,887

Flights are sorted by cheapest return flights first.

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See travel insights to Illinois from

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

What is the cheapest month to fly to Illinois?

In general, April is the cheapest month to fly from Kolkata to Illinois. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around ₹ 90,684. If you aren’t able to travel during the month of April, then book flights to Illinois from Kolkata during June instead. Flights to Illinois in June, while not as cheap as those in April, still average around ₹ 94,810.

What is the cheapest day to depart on your flight to Illinois?

On average, the least expensive day to fly to Illinois from Kolkata is on a Friday. momondo users have found tickets for Friday departures for as low as ₹ 116,725. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Kolkata to Illinois on a Sunday will generally be more expensive and average around ₹ 137,649. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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 ₹ 110,173 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 ₹ 88,226 on momondo.

Can stopping save me money on Kolkata to Illinois flights?

You could potentially save up to 14% 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

Direct flights

None
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?

  • 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
Qatar AirwaysPriceFrom ₹ 82,272Free CancellationRating
7.4
3,657 reviews
Search Qatar Airways flights
Air IndiaPriceFrom ₹ 82,650Free CancellationRating
5.5
2,941 reviews
Search Air India flights
Etihad AirwaysPriceFrom ₹ 86,654Free CancellationRating
7.4
1,282 reviews
Search Etihad 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.

An easier way to manage your Illinois trip

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