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Cheap flights from Illinois to Kolkata from ₹ 34,699

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Kolkata departing on 8/9. 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

Air India Logo
13:10 - 19:45ORD-CCU
20h 05m1 stop
Air India Logo
21:20 - 07:30CCU-ORD
20h 40m1 stop
₹ 61,639Air India
Find Deal
Mon, 25 Aug - Wed, 29 Oct
Air India Logo
13:10 - 19:45ORD-CCU
20h 05m1 stop
Air India Logo
23:45 - 11:10CCU-ORD
45h 55m1 stop
₹ 61,813Air India
Find Deal
Fri, 29 Aug - Sat, 13 Sep
Lufthansa Logo
18:35 - 07:40ORD-CCU
26h 35m2 stops
Lufthansa Logo
20:30 - 12:30CCU-ORD
26h 30m2 stops
₹ 73,670Lufthansa
Find Deal
Mon, 1 Sep - Mon, 15 Sep
IndiGo Logo
19:50 - 20:15ORD-CCU
37h 55m2 stops
IndiGo Logo
21:15 - 22:00CCU-ORD
35h 15m2 stops
₹ 78,030IndiGo
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Tue, 16 Sep - Tue, 23 Sep
IndiGo Logo
19:50 - 15:30ORD-CCU
33h 10m2 stops
IndiGo Logo
21:15 - 17:55CCU-ORD
31h 10m2 stops
₹ 78,553IndiGo
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Fri, 19 Sep - Mon, 13 Oct
Logo
19:50 - 15:30ORD-CCU
33h 10m2 stops
Logo
00:55 - 07:30CCU-ORD
41h 05m1 stop
₹ 79,512
Find Deal
Wed, 27 Aug - Thu, 30 Oct
Emirates Logo
20:35 - 08:10ORD-CCU
25h 05m1 stop
Emirates Logo
20:45 - 15:45CCU-ORD
29h 30m1 stop
₹ 79,773Emirates
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Sun, 31 Aug - Wed, 8 Oct
Logo
09:15 - 04:15STL-CCU
32h 30m2 stops
Logo
21:20 - 13:55CCU-STL
28h 05m2 stops
₹ 130,427
Find Deal
Tue, 23 Sep - Tue, 2 Dec
Lufthansa Logo
12:35 - 09:00STL-CCU
33h 55m3 stops
Lufthansa Logo
21:20 - 17:03CCU-STL
31h 13m3 stops
₹ 131,648Lufthansa
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Tue, 23 Sep - Tue, 2 Dec
Emirates Logo
15:23 - 08:10STL-CCU
30h 17m2 stops
Emirates Logo
20:45 - 22:00CCU-STL
35h 45m2 stops
₹ 137,489Emirates
Find Deal
Sat, 18 Oct - Wed, 22 Oct

Air India flights from Illinois to Kolkata

Our best Air India deals on Illinois to Kolkata flight tickets
Air India
25 Aug
ORD13:10Chicago O'Hare Intl
20h 05m
1 stop
CCU19:45Kolkata Netaji S. Chandra
29 Oct
CCU21:20Kolkata Netaji S. Chandra
20h 40m
1 stop
ORD07:30Chicago O'Hare Intl
₹ 61,639
Find similar
Air India
29 Aug
ORD13:10Chicago O'Hare Intl
20h 05m
1 stop
CCU19:45Kolkata Netaji S. Chandra
13 Sept
CCU23:45Kolkata Netaji S. Chandra
45h 55m
1 stop
ORD11:10Chicago O'Hare Intl
₹ 61,813
Find similar
Air India
27 Aug
ORD13:10Chicago O'Hare Intl
20h 05m
1 stop
CCU19:45Kolkata Netaji S. Chandra
11 Sept
CCU20:30Kolkata Netaji S. Chandra
25h 10m
1 stop
ORD11:10Chicago O'Hare Intl
₹ 62,598
Find similar

Etihad Airways flights from Illinois to Kolkata

Our best Etihad Airways deals on Illinois to Kolkata flight tickets
Etihad Airways
18 Sept
ORD13:55Chicago O'Hare Intl
20h 10m
1 stop
CCU20:35Kolkata Netaji S. Chandra
25 Sept
CCU04:00Kolkata Netaji S. Chandra
39h 15m
1 stop
ORD08:45Chicago O'Hare Intl
₹ 81,168
Find similar
Etihad Airways
12 Aug
ORD13:55Chicago O'Hare Intl
20h 10m
1 stop
CCU20:35Kolkata Netaji S. Chandra
1 Sept
CCU21:30Kolkata Netaji S. Chandra
21h 45m
1 stop
ORD08:45Chicago O'Hare Intl
₹ 89,276
Find similar
Etihad Airways
12 Aug
ORD13:55Chicago O'Hare Intl
20h 10m
1 stop
CCU20:35Kolkata Netaji S. Chandra
1 Sept
CCU21:30Kolkata Netaji S. Chandra
21h 45m
1 stop
ORD08:45Chicago O'Hare Intl
₹ 90,061
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Illinois to Kolkata 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 4 August 2025.
Use the filters below to find and compare flights from Illinois to Kolkata that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Mon 25/8

13:10-19:45

1 stop20h 05m

Kolkata Netaji S. Chandra

Wed 29/10

21:20-07:30

1 stop20h 40m

₹ 61,639

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Fri 29/8

13:10-19:45

1 stop20h 05m

Kolkata Netaji S. Chandra

Sat 13/9

23:45-11:10

1 stop45h 55m

₹ 61,813

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Mon 1/9

18:35-07:40

2 stops26h 35m

Kolkata Netaji S. Chandra

Mon 15/9

20:30-12:30

2 stops26h 30m

₹ 73,670

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Tue 16/9

19:50-20:15

2 stops37h 55m

Kolkata Netaji S. Chandra

Tue 23/9

21:15-22:00

2 stops35h 15m

₹ 78,030

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Fri 19/9

19:50-15:30

2 stops33h 10m

Kolkata Netaji S. Chandra

Mon 13/10

21:15-17:55

2 stops31h 10m

₹ 78,553

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Wed 27/8

19:50-15:30

2 stops33h 10m

Kolkata Netaji S. Chandra

Thu 30/10

00:55-07:30

1 stop41h 05m

₹ 79,512

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Sun 31/8

20:35-08:10

1 stop25h 05m

Kolkata Netaji S. Chandra

Wed 8/10

20:45-15:45

1 stop29h 30m

₹ 79,773

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Tue 23/9

09:15-04:15

2 stops32h 30m

Kolkata Netaji S. Chandra

Tue 2/12

21:20-13:55

2 stops28h 05m

₹ 130,427

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Tue 23/9

12:35-09:00

3 stops33h 55m

Kolkata Netaji S. Chandra

Tue 2/12

21:20-17:03

3 stops31h 13m

₹ 131,648

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Sat 18/10

15:23-08:10

2 stops30h 17m

Kolkata Netaji S. Chandra

Wed 22/10

20:45-22:00

2 stops35h 45m

₹ 137,489

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Illinois to Kolkata

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 Kolkata?

If you are unable to visit Kolkata during the month of March, then departing from Illinois during the month September is also very affordable. Most momondo users find prices during this month for around ₹ 74,455.

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

The cheapest day to depart on your flight to Kolkata is on a Sunday when prices can be found for as low as ₹ 79,669. This is often the case because there is less demand to fly during this day of the week. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Illinois to Kolkata for around ₹ 149,956.

What is the cheapest time of day to depart on your flight to Kolkata?

According to our data, the cheapest time of day to fly to Kolkata is in the afternoon. momondo users have found flights departing from Illinois to Kolkata in the afternoon for as low as ₹ 79,412. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the evening is when there is more demand to fly to Kolkata, so prices are often more expensive at around ₹ 161,201 per ticket.

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

You are more likely to see cheaper flights to Kolkata from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Kolkata for around ₹ 96,665 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Kolkata from Illinois for as low as ₹ 80,122 on momondo.

Can stopping save me money on Illinois to Kolkata flights?

You could potentially save up to 38% on your flight if you consider stops on a Illinois to Kolkata flight.

Cheap Illinois to Kolkata flight deals and tips

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

Best price found

₹ 34,699

Fastest flight time

19h 20m

Direct flights

None

Airports in Kolkata

1 airport
The best one-way flight to Kolkata from Illinois in the past 72 hours is ₹ 34,699. The best return flight deal from Illinois to Kolkata found on momondo in the last 72 hours is ₹ 61,639.
The fastest flight from Illinois to Kolkata takes 19h 20m
There are no direct flights from Illinois to Kolkata. Popular non-direct route for this connection is Chicago O'Hare Intl Airport - Kolkata Netaji S. Chandra Airport.
There is 1 airport near Kolkata: Kolkata Netaji S. Chandra (CCU)
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  • When did momondo last update prices for flights from Illinois to Kolkata Netaji S. Chandra Airport?

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

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

    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 Illinois to Kolkata Netaji S. Chandra Airport.

  • What documentation or ID do you need to fly to Kolkata Netaji S. Chandra Airport?

    The required travel and health documents for your Kolkata Netaji S. Chandra Airport 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 Kolkata Netaji S. Chandra Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

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

Finding the right flight to Kolkata from Illinois 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 Kolkata quick and easy, saving you time and money.

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

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

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

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

Of course. momondo tracks the price of Illinois to Kolkata flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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