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Cheap flights from Illinois to Kolkata from ₹ 36,269

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 7/11. 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

SWISS Logo
17:50 - 09:00ORD-CCU
51h 40m3 stops
SWISS Logo
17:30 - 16:20CCU-ORD
34h 20m2 stops
₹ 81,494SWISS
Find Deal
Wed, 14 Jan - Wed, 18 Feb
Turkish Airlines Logo
11:50 - 15:50ORD-CCU
40h 30m2 stops
Turkish Airlines Logo
21:30 - 10:05CCU-ORD
48h 05m2 stops
₹ 81,582Turkish Airlines
Find Deal
Thu, 8 Jan - Tue, 20 Jan
Multiple Airlines Logo
20:20 - 12:25ORD-CCU
28h 35m2 stops
Multiple Airlines Logo
05:00 - 11:30CCU-ORD
42h 00m3 stops
₹ 81,671Multiple Airlines
Find Deal
Thu, 6 Nov - Thu, 13 Nov
Etihad Airways Logo
14:10 - 02:40ORD-CCU
26h 00m1 stop
Etihad Airways Logo
03:35 - 07:55CCU-ORD
39h 50m1 stop
₹ 81,760Etihad Airways
Find Deal
Fri, 31 Oct - Fri, 7 Nov
Etihad Airways Logo
14:10 - 02:40ORD-CCU
26h 00m1 stop
Etihad Airways Logo
03:45 - 08:45CCU-ORD
39h 30m1 stop
₹ 82,913Etihad Airways
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Sun, 22 Mar - Mon, 6 Apr
IndiGo Logo
19:50 - 15:50ORD-CCU
33h 30m2 stops
IndiGo Logo
21:30 - 19:25CCU-ORD
32h 25m2 stops
₹ 83,179IndiGo
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Fri, 24 Oct - Sat, 1 Nov
Air India Logo
14:30 - 23:30ORD-CCU
22h 30m1 stop
Air India Logo
21:20 - 11:30CCU-ORD
25h 40m2 stops
₹ 83,267Air India
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Sun, 26 Oct - Sat, 15 Nov
Air India Logo
14:30 - 23:30ORD-CCU
22h 30m1 stop
Air India Logo
16:15 - 11:30CCU-ORD
30h 45m2 stops
₹ 83,799Air India
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Wed, 29 Oct - Tue, 11 Nov
Multiple Airlines Logo
22:50 - 09:00ORD-CCU
47h 40m2 stops
Multiple Airlines Logo
17:30 - 15:55CCU-ORD
32h 55m2 stops
₹ 83,977Multiple Airlines
Find Deal
Sun, 22 Mar - Fri, 10 Apr
IndiGo Logo
20:20 - 17:35ORD-CCU
33h 45m2 stops
IndiGo Logo
19:30 - 18:25CCU-ORD
34h 25m2 stops
₹ 84,065IndiGo
Find Deal
Mon, 24 Nov - Mon, 1 Dec

SWISS flights from Illinois to Kolkata

Our best SWISS deals on Illinois to Kolkata flight tickets
SWISS
14 Jan
ORD17:50Chicago O'Hare Intl
51h 40m
3 stops
CCU09:00Kolkata Netaji S. Chandra
18 Feb
CCU17:30Kolkata Netaji S. Chandra
34h 20m
2 stops
ORD16:20Chicago O'Hare Intl
₹ 81,494
Find similar
SWISS
22 Mar
ORD17:55Chicago O'Hare Intl
28h 35m
3 stops
CCU09:00Kolkata Netaji S. Chandra
9 Apr
CCU17:30Kolkata Netaji S. Chandra
32h 55m
2 stops
ORD15:55Chicago O'Hare Intl
₹ 82,203
Find similar
SWISS
27 Sept
ORD19:05Chicago O'Hare Intl
51h 55m
2 stops
CCU09:30Kolkata Netaji S. Chandra
8 Nov
CCU17:30Kolkata Netaji S. Chandra
34h 20m
2 stops
ORD16:20Chicago O'Hare Intl
₹ 92,401
Find similar

Turkish Airlines flights from Illinois to Kolkata

Our best Turkish Airlines deals on Illinois to Kolkata flight tickets
Turkish Airlines
8 Jan
ORD11:50Chicago O'Hare Intl
40h 30m
2 stops
CCU15:50Kolkata Netaji S. Chandra
20 Jan
CCU21:30Kolkata Netaji S. Chandra
48h 05m
2 stops
ORD10:05Chicago O'Hare Intl
₹ 81,582
Find similar
Turkish Airlines
14 Nov
ORD11:50Chicago O'Hare Intl
40h 30m
2 stops
CCU15:50Kolkata Netaji S. Chandra
29 Nov
CCU21:30Kolkata Netaji S. Chandra
48h 05m
2 stops
ORD10:05Chicago O'Hare Intl
₹ 88,499
Find similar
Turkish Airlines
23 Nov
ORD20:20Chicago O'Hare Intl
28h 35m
2 stops
CCU12:25Kolkata Netaji S. Chandra
29 Nov
CCU18:30Kolkata Netaji S. Chandra
51h 05m
2 stops
ORD10:05Chicago O'Hare Intl
₹ 88,588
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 23 September 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

Wed 14/1

17:50-09:00

3 stops51h 40m

Kolkata Netaji S. Chandra

Wed 18/2

17:30-16:20

2 stops34h 20m

₹ 81,494

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Thu 8/1

11:50-15:50

2 stops40h 30m

Kolkata Netaji S. Chandra

Tue 20/1

21:30-10:05

2 stops48h 05m

₹ 81,582

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Thu 6/11

20:20-12:25

2 stops28h 35m

Kolkata Netaji S. Chandra

Thu 13/11

05:00-11:30

3 stops42h 00m

₹ 81,671

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Fri 31/10

14:10-02:40

1 stop26h 00m

Kolkata Netaji S. Chandra

Fri 7/11

03:35-07:55

1 stop39h 50m

₹ 81,760

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Sun 22/3

14:10-02:40

1 stop26h 00m

Kolkata Netaji S. Chandra

Mon 6/4

03:45-08:45

1 stop39h 30m

₹ 82,913

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Fri 24/10

19:50-15:50

2 stops33h 30m

Kolkata Netaji S. Chandra

Sat 1/11

21:30-19:25

2 stops32h 25m

₹ 83,179

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Sun 26/10

14:30-23:30

1 stop22h 30m

Kolkata Netaji S. Chandra

Sat 15/11

21:20-11:30

2 stops25h 40m

₹ 83,267

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Wed 29/10

14:30-23:30

1 stop22h 30m

Kolkata Netaji S. Chandra

Tue 11/11

16:15-11:30

2 stops30h 45m

₹ 83,799

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Sun 22/3

22:50-09:00

2 stops47h 40m

Kolkata Netaji S. Chandra

Fri 10/4

17:30-15:55

2 stops32h 55m

₹ 83,977

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Mon 24/11

20:20-17:35

2 stops33h 45m

Kolkata Netaji S. Chandra

Mon 1/12

19:30-18:25

2 stops34h 25m

₹ 84,065

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 March, then departing from Illinois during the month April is also very affordable. Most momondo users find prices during this month for around ₹ 76,705.

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 ₹ 81,033. 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 ₹ 152,523.

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 ₹ 80,772. 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 ₹ 163,960 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 ₹ 98,638 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 ₹ 83,711 on momondo.

Can stopping save me money on Illinois to Kolkata flights?

You could potentially save up to 4% 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

Direct flights

None
There are no direct flights from Illinois to Kolkata. There are no popular flight routes from Illinois to Kolkata.
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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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