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Cheap flights from Illinois to Kolkata from ₹ 44,400

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 16/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Illinois to Kolkata

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:01 - 02:55
STL
-
CCU
29h 24m
2 stops
Multiple Airlines Logo
03:50 - 23:58
CCU
-
STL
30h 38m
2 stops
₹ 98,232Multiple Airlines
Thu, 24 Sep - Fri, 16 Oct
Multiple Airlines Logo
19:20 - 02:30
ORD
-
CCU
20h 40m
1 stop
Multiple Airlines Logo
04:00 - 22:31
CCU
-
ORD
29h 01m
2 stops
₹ 116,240Multiple Airlines
Mon, 24 Aug - Mon, 31 Aug
Qatar Airways Logo
07:00 - 01:55
ORD
-
CCU
31h 25m
2 stops
Qatar Airways Logo
03:25 - 14:30
CCU
-
ORD
22h 35m
1 stop
₹ 116,621Qatar Airways
Thu, 19 Nov - Tue, 19 Jan
Qatar Airways Logo
06:00 - 02:30
ORD
-
CCU
34h 00m
2 stops
Qatar Airways Logo
04:00 - 15:05
CCU
-
ORD
21h 35m
1 stop
₹ 116,716Qatar Airways
Sat, 5 Sep - Mon, 28 Sep
Multiple Airlines Logo
07:00 - 01:55
ORD
-
CCU
31h 25m
2 stops
Multiple Airlines Logo
21:00 - 14:30
CCU
-
ORD
53h 00m
2 stops
₹ 116,811Multiple Airlines
Tue, 3 Nov - Mon, 30 Nov
Etihad Airways Logo
20:20 - 20:00
ORD
-
CCU
36h 10m
1 stop
Etihad Airways Logo
03:35 - 07:55
CCU
-
ORD
39h 50m
1 stop
₹ 116,907Etihad Airways
Mon, 16 Nov - Sat, 16 Jan
Qatar Airways Logo
07:27 - 02:30
STL
-
CCU
32h 33m
2 stops
Qatar Airways Logo
04:00 - 20:44
CCU
-
STL
27h 14m
2 stops
₹ 116,907Qatar Airways
Thu, 17 Sep - Mon, 21 Sep
Etihad Airways Logo
20:20 - 20:00
ORD
-
CCU
36h 10m
1 stop
Etihad Airways Logo
20:55 - 15:00
CCU
-
ORD
29h 35m
1 stop
₹ 117,859Etihad Airways
Fri, 20 Nov - Mon, 18 Jan
Lufthansa Logo
15:30 - 08:50
STL
-
CCU
54h 50m
2 stops
Lufthansa Logo
21:00 - 13:45
CCU
-
STL
52h 15m
2 stops
₹ 310,989Lufthansa
Wed, 21 Oct - Wed, 24 Feb
Lufthansa Logo
13:29 - 08:50
STL
-
CCU
32h 51m
3 stops
Lufthansa Logo
21:00 - 13:45
CCU
-
STL
52h 15m
2 stops
₹ 327,377Lufthansa
Wed, 21 Oct - Wed, 24 Feb

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Emirates flights from Illinois to Kolkata

Our best Emirates deals on Illinois to Kolkata flight tickets
Emirates
10 Jul
ORD20:35Chicago O'Hare Intl
41h 25m
1 stop
CCU00:30Kolkata Netaji S. Chandra
18 Jul
CCU20:55Kolkata Netaji S. Chandra
29h 20m
1 stop
ORD15:45Chicago O'Hare Intl
₹ 152,541
Emirates
8 Jul
ORD20:35Chicago O'Hare Intl
25h 05m
1 stop
CCU08:10Kolkata Netaji S. Chandra
15 Jul
CCU01:30Kolkata Netaji S. Chandra
24h 45m
1 stop
ORD15:45Chicago O'Hare Intl
₹ 154,256

Qatar Airways flights from Illinois to Kolkata

Our best Qatar Airways deals on Illinois to Kolkata flight tickets
Qatar Airways
19 Nov
ORD07:00Chicago O'Hare Intl
31h 25m
2 stops
CCU01:55Kolkata Netaji S. Chandra
19 Jan
CCU03:25Kolkata Netaji S. Chandra
22h 35m
1 stop
ORD14:30Chicago O'Hare Intl
₹ 116,621
Qatar Airways
5 Sept
ORD06:00Chicago O'Hare Intl
34h 00m
2 stops
CCU02:30Kolkata Netaji S. Chandra
28 Sept
CCU04:00Kolkata Netaji S. Chandra
21h 35m
1 stop
ORD15:05Chicago O'Hare Intl
₹ 116,716
Qatar Airways
17 Sept
STL07:27Lambert-St Louis
32h 33m
2 stops
CCU02:30Kolkata Netaji S. Chandra
21 Sept
CCU04:00Kolkata Netaji S. Chandra
27h 14m
2 stops
STL20:44Lambert-St Louis
₹ 116,907

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 2 July 2026.
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

Cheapest return flight

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Thu 24/9

11:01-02:55

2 stops29h 24m

Kolkata Netaji S. Chandra

Fri 16/10

03:50-23:58

2 stops30h 38m

₹ 98,232
Fastest return journey

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Mon 24/8

19:20-02:30

1 stop20h 40m

Kolkata Netaji S. Chandra

Mon 31/8

04:00-22:31

2 stops29h 01m

₹ 116,240

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Thu 19/11

07:00-01:55

2 stops31h 25m

Kolkata Netaji S. Chandra

Tue 19/1

03:25-14:30

1 stop22h 35m

₹ 116,621

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Sat 5/9

06:00-02:30

2 stops34h 00m

Kolkata Netaji S. Chandra

Mon 28/9

04:00-15:05

1 stop21h 35m

₹ 116,716

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Tue 3/11

07:00-01:55

2 stops31h 25m

Kolkata Netaji S. Chandra

Mon 30/11

21:00-14:30

2 stops53h 00m

₹ 116,811

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Mon 16/11

20:20-20:00

1 stop36h 10m

Kolkata Netaji S. Chandra

Sat 16/1

03:35-07:55

1 stop39h 50m

₹ 116,907

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Thu 17/9

07:27-02:30

2 stops32h 33m

Kolkata Netaji S. Chandra

Mon 21/9

04:00-20:44

2 stops27h 14m

₹ 116,907

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Fri 20/11

20:20-20:00

1 stop36h 10m

Kolkata Netaji S. Chandra

Mon 18/1

20:55-15:00

1 stop29h 35m

₹ 117,859

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Wed 21/10

15:30-08:50

2 stops54h 50m

Kolkata Netaji S. Chandra

Wed 24/2

21:00-13:45

2 stops52h 15m

₹ 310,989

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Wed 21/10

13:29-08:50

3 stops32h 51m

Kolkata Netaji S. Chandra

Wed 24/2

21:00-13:45

2 stops52h 15m

₹ 327,377

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 Kolkata from

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 August, then departing from Illinois during the month May is also very affordable. Most momondo users find prices during this month for around ₹ 64,694.

How far in advance should I book a flight from Illinois 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 ₹ 111,745 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 ₹ 92,992 on momondo.

Can stopping save me money on Illinois to Kolkata flights?

You could potentially save up to 7% 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

Fastest flight time

19h 15m

Direct flights

None
The fastest flight from Illinois to Kolkata takes 19h 15m
There are no direct flights from Illinois to Kolkata. There are no popular flight routes from Illinois to Kolkata.
Search flight deals

Frequently asked questions about flying from Illinois to Kolkata

  • 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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