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Cheap flights from Illinois to Kolkata from $378

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 2/24. 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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0 bags

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Find the cheapest flights from Illinois to Kolkata

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air India Logo
1:10 pm - 12:15 am
ORD
-
CCU
24h 35m
1 stop
Air India Logo
3:55 pm - 11:10 am
CCU
-
ORD
29h 45m
2 stops
$831Air India
Wed, Apr 8 - Tue, Apr 21
Air India Logo
2:30 pm - 9:15 pm
ORD
-
CCU
20h 15m
1 stop
Air India Logo
10:00 pm - 11:10 am
CCU
-
ORD
23h 40m
2 stops
$866Air India
Wed, Mar 25 - Tue, Apr 14
Air India Logo
1:10 pm - 9:15 pm
ORD
-
CCU
21h 35m
1 stop
Air India Logo
7:05 pm - 11:10 am
CCU
-
ORD
26h 35m
2 stops
$870Air India
Wed, Apr 8 - Thu, Apr 23
Air India Logo
1:10 pm - 4:15 am
ORD
-
CCU
28h 35m
1 stop
Air India Logo
9:55 am - 11:10 am
CCU
-
ORD
35h 45m
2 stops
$872Air India
Wed, Apr 1 - Thu, Apr 30
Air India Logo
1:10 pm - 11:15 pm
ORD
-
CCU
23h 35m
1 stop
Air India Logo
10:00 pm - 11:10 am
CCU
-
ORD
23h 40m
2 stops
$882Air India
Mon, Apr 6 - Sun, Apr 19
Multiple Airlines Logo
1:10 pm - 1:35 am
ORD
-
CCU
24h 55m
2 stops
Multiple Airlines Logo
5:00 am - 8:35 am
CCU
-
ORD
38h 05m
2 stops
$902Multiple Airlines
Wed, Feb 25 - Thu, Mar 12
Etihad Airways Logo
1:10 pm - 8:00 pm
ORD
-
CCU
19h 20m
1 stop
Etihad Airways Logo
8:55 pm - 8:35 am
CCU
-
ORD
22h 10m
1 stop
$906Etihad Airways
Tue, Feb 24 - Wed, Mar 11
Multiple Airlines Logo
1:30 pm - 12:15 am
ORD
-
CCU
23h 15m
1 stop
Multiple Airlines Logo
3:15 am - 4:05 pm
CCU
-
ORD
47h 20m
2 stops
$910Multiple Airlines
Wed, Feb 25 - Wed, Mar 11
Emirates Logo
7:45 pm - 6:50 pm
ORD
-
CCU
35h 35m
1 stop
Emirates Logo
9:15 am - 3:45 pm
CCU
-
ORD
41h 00m
1 stop
$911Emirates
Wed, Feb 25 - Thu, Mar 12
Qatar Airways Logo
9:37 am - 1:55 am
STL
-
CCU
28h 48m
2 stops
Qatar Airways Logo
3:25 am - 12:44 pm
CCU
-
STL
43h 49m
2 stops
$1,023Qatar Airways
Thu, Feb 26 - Thu, Mar 12

Etihad Airways flights from Illinois to Kolkata

Our best Etihad Airways deals on Illinois to Kolkata flight tickets
Etihad Airways
Feb 24
ORD1:10 pmChicago O'Hare Intl
19h 20m
1 stop
CCU8:00 pmKolkata Netaji S. Chandra
Mar 11
CCU8:55 pmKolkata Netaji S. Chandra
22h 10m
1 stop
ORD8:35 amChicago O'Hare Intl
$906
Etihad Airways
Mar 1
ORD1:10 pmChicago O'Hare Intl
19h 20m
1 stop
CCU8:00 pmKolkata Netaji S. Chandra
Mar 9
CCU8:55 pmKolkata Netaji S. Chandra
22h 10m
1 stop
ORD8:35 amChicago O'Hare Intl
$921
Etihad Airways
Apr 7
ORD2:00 pmChicago O'Hare Intl
20h 00m
1 stop
CCU8:30 pmKolkata Netaji S. Chandra
Apr 22
CCU9:30 pmKolkata Netaji S. Chandra
21h 35m
1 stop
ORD8:35 amChicago O'Hare Intl
$925

Air India flights from Illinois to Kolkata

Our best Air India deals on Illinois to Kolkata flight tickets
Air India
Apr 8
ORD1:10 pmChicago O'Hare Intl
24h 35m
1 stop
CCU12:15 amKolkata Netaji S. Chandra
Apr 21
CCU3:55 pmKolkata Netaji S. Chandra
29h 45m
2 stops
ORD11:10 amChicago O'Hare Intl
$831
Air India
Mar 25
ORD2:30 pmChicago O'Hare Intl
20h 15m
1 stop
CCU9:15 pmKolkata Netaji S. Chandra
Apr 14
CCU10:00 pmKolkata Netaji S. Chandra
23h 40m
2 stops
ORD11:10 amChicago O'Hare Intl
$866
Air India
Apr 8
ORD1:10 pmChicago O'Hare Intl
21h 35m
1 stop
CCU9:15 pmKolkata Netaji S. Chandra
Apr 23
CCU7:05 pmKolkata Netaji S. Chandra
26h 35m
2 stops
ORD11:10 amChicago O'Hare Intl
$870

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated February 11, 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

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Wed 4/8

1:10 pm-12:15 am

1 stop24h 35m

Kolkata Netaji S. Chandra

Tue 4/21

3:55 pm-11:10 am

2 stops29h 45m

$831

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Wed 3/25

2:30 pm-9:15 pm

1 stop20h 15m

Kolkata Netaji S. Chandra

Tue 4/14

10:00 pm-11:10 am

2 stops23h 40m

$866

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Wed 4/8

1:10 pm-9:15 pm

1 stop21h 35m

Kolkata Netaji S. Chandra

Thu 4/23

7:05 pm-11:10 am

2 stops26h 35m

$870

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Wed 4/1

1:10 pm-4:15 am

1 stop28h 35m

Kolkata Netaji S. Chandra

Thu 4/30

9:55 am-11:10 am

2 stops35h 45m

$872

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Mon 4/6

1:10 pm-11:15 pm

1 stop23h 35m

Kolkata Netaji S. Chandra

Sun 4/19

10:00 pm-11:10 am

2 stops23h 40m

$882

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Wed 2/25

1:10 pm-1:35 am

2 stops24h 55m

Kolkata Netaji S. Chandra

Thu 3/12

5:00 am-8:35 am

2 stops38h 05m

$902

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Tue 2/24

1:10 pm-8:00 pm

1 stop19h 20m

Kolkata Netaji S. Chandra

Wed 3/11

8:55 pm-8:35 am

1 stop22h 10m

$906

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Wed 2/25

1:30 pm-12:15 am

1 stop23h 15m

Kolkata Netaji S. Chandra

Wed 3/11

3:15 am-4:05 pm

2 stops47h 20m

$910

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Wed 2/25

7:45 pm-6:50 pm

1 stop35h 35m

Kolkata Netaji S. Chandra

Thu 3/12

9:15 am-3:45 pm

1 stop41h 00m

$911

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Thu 2/26

9:37 am-1:55 am

2 stops28h 48m

Kolkata Netaji S. Chandra

Thu 3/12

3:25 am-12:44 pm

2 stops43h 49m

$1,023

Flights are sorted by cheapest round-trip 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?

The month of September is, on average, the cheapest month to fly to Kolkata from Illinois, with most prices found around $785. If you aren’t able to travel during the month of September, then book flights to Kolkata from Illinois during April instead. Flights to Kolkata in April, while not as cheap as those in September, still average around $902.

What is the cheapest Illinois to Kolkata Netaji S. Chandra flight route?

Fly from Chicago O'Hare Intl to Kolkata Netaji S. Chandra for the best Illinois - Kolkata Netaji S. Chandra flight prices

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 $1,120 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Kolkata from Illinois for as low as $889 on momondo.

What cabin class options are available on Illinois to Kolkata Netaji S. Chandra flights?

There is only 1 cabin class available to choose from on Illinois to Kolkata Netaji S. Chandra flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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 20m

Direct flights

None
The fastest flight from Illinois to Kolkata takes 19h 20m
There are no direct flights from Illinois to Kolkata. There are no popular flight routes from Illinois to Kolkata.
Search flight deals

  • 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 are refreshed on a daily basis.

  • How many operators does momondo search for flights from Illinois to Kolkata Netaji S. Chandra Airport?

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

    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 Illinois to Kolkata Netaji S. Chandra Airport.

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

    The travel and health documents you'll need for your trip to Kolkata Netaji S. Chandra Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Kolkata Netaji S. Chandra Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Illinois to Kolkata

Compare and see reviews for airlines that fly from Illinois to Kolkata with momondo
Airline
Rating
Free Cancellation
Price
Air IndiaPriceFrom $729Free CancellationRating
5.5
2,968 reviews
Search Air India flights
SWISSPriceFrom $814Free CancellationRating
7.6
1,870 reviews
Search SWISS flights
IndiGoPriceFrom $850Free CancellationRating
6.8
530 reviews
Search IndiGo flights
Etihad AirwaysPriceFrom $896Free CancellationRating
7.3
1,393 reviews
Search Etihad Airways flights
Qatar AirwaysPriceFrom $924Free CancellationRating
7.4
3,731 reviews
Search Qatar Airways flights
EmiratesPriceFrom $931Free CancellationRating
8.1
3,513 reviews
Search Emirates flights

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?

Yes. momondo enables you to select and highlight flights to Kolkata from Illinois with this policy.

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?

Yes momondo offers price alerts on flights to Kolkata from Illinois. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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