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Cheap flights from Kolkata to Illinois from ₹ 42,373

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 16/4. 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 Kolkata to Illinois

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
21:30 - 14:20
CCU
-
ORD
28h 20m2 stops
Multiple Airlines Logo
17:20 - 07:45
ORD
-
CCU
26h 55m2 stops
₹ 76,054Multiple Airlines
Tue, 23 Dec - Wed, 7 Jan
Air France Logo
21:30 - 15:10
CCU
-
ORD
29h 10m2 stops
Air France Logo
17:20 - 07:45
ORD
-
CCU
26h 55m2 stops
₹ 82,392Air France
Mon, 26 Jan - Mon, 2 Feb
Multiple Airlines Logo
22:30 - 07:35
CCU
-
ORD
44h 35m2 stops
Multiple Airlines Logo
13:30 - 02:10
ORD
-
CCU
25h 10m1 stop
₹ 83,750Multiple Airlines
Mon, 26 Jan - Mon, 2 Feb
KLM Logo
21:30 - 14:20
CCU
-
ORD
28h 20m2 stops
KLM Logo
17:20 - 07:10
ORD
-
CCU
26h 20m2 stops
₹ 86,738KLM
Tue, 23 Dec - Wed, 7 Jan
Multiple Airlines Logo
21:15 - 11:10
CCU
-
ORD
24h 25m2 stops
Multiple Airlines Logo
15:35 - 04:45
ORD
-
CCU
26h 40m2 stops
₹ 89,001Multiple Airlines
Tue, 21 Apr - Wed, 27 May
Multiple Airlines Logo
07:05 - 07:35
CCU
-
ORD
36h 00m3 stops
Multiple Airlines Logo
13:10 - 02:10
ORD
-
CCU
25h 30m2 stops
₹ 89,182Multiple Airlines
Mon, 26 Jan - Mon, 2 Feb
Etihad Airways Logo
20:55 - 07:35
CCU
-
ORD
22h 10m1 stop
Etihad Airways Logo
13:10 - 02:40
ORD
-
CCU
26h 00m1 stop
₹ 89,816Etihad Airways
Tue, 23 Dec - Wed, 7 Jan
Multiple Airlines Logo
21:30 - 15:10
CCU
-
ORD
29h 10m2 stops
Multiple Airlines Logo
17:20 - 07:10
ORD
-
CCU
26h 20m2 stops
₹ 90,088Multiple Airlines
Tue, 23 Dec - Wed, 7 Jan
Multiple Airlines Logo
21:00 - 11:10
CCU
-
ORD
24h 40m2 stops
Multiple Airlines Logo
15:35 - 04:45
ORD
-
CCU
26h 40m2 stops
₹ 90,450Multiple Airlines
Sat, 18 Apr - Wed, 27 May
Multiple Airlines Logo
23:55 - 12:30
CCU
-
ORD
47h 05m3 stops
Multiple Airlines Logo
13:10 - 20:15
ORD
-
CCU
20h 35m1 stop
₹ 90,541Multiple Airlines
Fri, 20 Mar - Sun, 13 Sep

KLM flights from Kolkata to Illinois

Our best KLM deals on Kolkata to Illinois flight tickets
KLM
23 Dec
CCU21:30Kolkata Netaji S. Chandra
28h 20m
2 stops
ORD14:20Chicago O'Hare Intl
7 Jan
ORD17:20Chicago O'Hare Intl
26h 20m
2 stops
CCU07:10Kolkata Netaji S. Chandra
₹ 86,647
Find similar
KLM
23 Dec
CCU21:30Kolkata Netaji S. Chandra
28h 20m
2 stops
ORD14:20Chicago O'Hare Intl
7 Jan
ORD17:20Chicago O'Hare Intl
26h 20m
2 stops
CCU07:10Kolkata Netaji S. Chandra
₹ 86,738
Find similar

Etihad Airways flights from Kolkata to Illinois

Our best Etihad Airways deals on Kolkata to Illinois flight tickets
Etihad Airways
23 Dec
CCU20:55Kolkata Netaji S. Chandra
22h 10m
1 stop
ORD07:35Chicago O'Hare Intl
7 Jan
ORD13:10Chicago O'Hare Intl
26h 00m
1 stop
CCU02:40Kolkata Netaji S. Chandra
₹ 89,816
Find similar
Etihad Airways
23 Dec
CCU20:55Kolkata Netaji S. Chandra
22h 10m
1 stop
ORD07:35Chicago O'Hare Intl
7 Jan
ORD13:10Chicago O'Hare Intl
26h 00m
1 stop
CCU02:40Kolkata Netaji S. Chandra
₹ 101,043
Find similar
Etihad Airways
13 Jan
CCU20:55Kolkata Netaji S. Chandra
22h 10m
1 stop
ORD07:35Chicago O'Hare Intl
29 Jan
ORD13:10Chicago O'Hare Intl
19h 20m
1 stop
CCU20:00Kolkata Netaji S. Chandra
₹ 126,123
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 14 December 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

21:30-14:20

2 stops28h 20m

Chicago O'Hare Intl

Wed 7/1

17:20-07:45

2 stops26h 55m

₹ 76,054

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Mon 26/1

21:30-15:10

2 stops29h 10m

Chicago O'Hare Intl

Mon 2/2

17:20-07:45

2 stops26h 55m

₹ 82,392

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Mon 26/1

22:30-07:35

2 stops44h 35m

Chicago O'Hare Intl

Mon 2/2

13:30-02:10

1 stop25h 10m

₹ 83,750

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Tue 23/12

21:30-14:20

2 stops28h 20m

Chicago O'Hare Intl

Wed 7/1

17:20-07:10

2 stops26h 20m

₹ 86,738

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Tue 21/4

21:15-11:10

2 stops24h 25m

Chicago O'Hare Intl

Wed 27/5

15:35-04:45

2 stops26h 40m

₹ 89,001

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Mon 26/1

07:05-07:35

3 stops36h 00m

Chicago O'Hare Intl

Mon 2/2

13:10-02:10

2 stops25h 30m

₹ 89,182

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Tue 23/12

20:55-07:35

1 stop22h 10m

Chicago O'Hare Intl

Wed 7/1

13:10-02:40

1 stop26h 00m

₹ 89,816

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Tue 23/12

21:30-15:10

2 stops29h 10m

Chicago O'Hare Intl

Wed 7/1

17:20-07:10

2 stops26h 20m

₹ 90,088

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Sat 18/4

21:00-11:10

2 stops24h 40m

Chicago O'Hare Intl

Wed 27/5

15:35-04:45

2 stops26h 40m

₹ 90,450

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Fri 20/3

23:55-12:30

3 stops47h 05m

Chicago O'Hare Intl

Sun 13/9

13:10-20:15

1 stop20h 35m

₹ 90,541

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 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 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 ₹ 120,386. 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 ₹ 141,967. 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 ₹ 109,780 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 ₹ 89,545 on momondo.

Can stopping save me money on Kolkata to Illinois flights?

You could potentially save up to 8% 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

22h 00m

Direct flights

None
The fastest flight from Kolkata to Illinois takes 22h 00m
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 ₹ 84,853Free CancellationRating
7.4
3,679 reviews
Search Qatar Airways flights
Air IndiaPriceFrom ₹ 85,242Free CancellationRating
5.5
2,947 reviews
Search Air India flights
Etihad AirwaysPriceFrom ₹ 89,372Free CancellationRating
7.4
1,331 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.

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Find better results for your trip to Illinois

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