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Cheap flights from Illinois to Kolkata from $409

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 11/7. 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 Illinois to Kolkata

Cheap round-trip flights

SWISS Logo
5:50 pm - 9:00 amORD-CCU
51h 40m3 stops
SWISS Logo
5:30 pm - 4:20 pmCCU-ORD
34h 20m2 stops
$919SWISS
Find Deal
Wed, Jan 14 - Wed, Feb 18
Turkish Airlines Logo
11:50 am - 3:50 pmORD-CCU
40h 30m2 stops
Turkish Airlines Logo
9:30 pm - 10:05 amCCU-ORD
48h 05m2 stops
$920Turkish Airlines
Find Deal
Thu, Jan 8 - Tue, Jan 20
Multiple Airlines Logo
8:20 pm - 12:25 pmORD-CCU
28h 35m2 stops
Multiple Airlines Logo
5:00 am - 11:30 amCCU-ORD
42h 00m3 stops
$921Multiple Airlines
Find Deal
Thu, Nov 6 - Thu, Nov 13
Etihad Airways Logo
2:10 pm - 2:40 amORD-CCU
26h 00m1 stop
Etihad Airways Logo
3:35 am - 7:55 amCCU-ORD
39h 50m1 stop
$922Etihad Airways
Find Deal
Fri, Oct 31 - Thu, Nov 6
Etihad Airways Logo
2:10 pm - 2:40 amORD-CCU
26h 00m1 stop
Etihad Airways Logo
3:45 am - 8:45 amCCU-ORD
39h 30m1 stop
$935Etihad Airways
Find Deal
Sun, Mar 22 - Mon, Apr 6
IndiGo Logo
7:50 pm - 3:50 pmORD-CCU
33h 30m2 stops
IndiGo Logo
9:30 pm - 7:25 pmCCU-ORD
32h 25m2 stops
$938IndiGo
Find Deal
Fri, Oct 24 - Sat, Nov 1
Air India Logo
2:30 pm - 11:30 pmORD-CCU
22h 30m1 stop
Air India Logo
9:20 pm - 11:30 amCCU-ORD
25h 40m2 stops
$939Air India
Find Deal
Sun, Oct 26 - Sat, Nov 15
Air India Logo
2:30 pm - 11:30 pmORD-CCU
22h 30m1 stop
Air India Logo
4:15 pm - 11:30 amCCU-ORD
30h 45m2 stops
$945Air India
Find Deal
Wed, Oct 29 - Tue, Nov 11
Multiple Airlines Logo
10:50 pm - 9:00 amORD-CCU
47h 40m2 stops
Multiple Airlines Logo
5:30 pm - 3:55 pmCCU-ORD
32h 55m2 stops
$947Multiple Airlines
Find Deal
Sun, Mar 22 - Fri, Apr 10
IndiGo Logo
8:20 pm - 5:35 pmORD-CCU
33h 45m2 stops
IndiGo Logo
7:30 pm - 6:25 pmCCU-ORD
34h 25m2 stops
$948IndiGo
Find Deal
Mon, Nov 24 - Mon, Dec 1

SWISS flights from Illinois to Kolkata

Our best SWISS deals on Illinois to Kolkata flight tickets
SWISS
Jan 14
ORD5:50 pmChicago O'Hare Intl
51h 40m
3 stops
CCU9:00 amKolkata Netaji S. Chandra
Feb 18
CCU5:30 pmKolkata Netaji S. Chandra
34h 20m
2 stops
ORD4:20 pmChicago O'Hare Intl
$919
Find similar
SWISS
Mar 22
ORD5:55 pmChicago O'Hare Intl
28h 35m
3 stops
CCU9:00 amKolkata Netaji S. Chandra
Apr 11
CCU5:30 pmKolkata Netaji S. Chandra
29h 20m
2 stops
ORD12:20 pmChicago O'Hare Intl
$927
Find similar
SWISS
Sep 27
ORD7:05 pmChicago O'Hare Intl
51h 55m
2 stops
CCU9:30 amKolkata Netaji S. Chandra
Nov 8
CCU5:30 pmKolkata Netaji S. Chandra
34h 20m
2 stops
ORD4:20 pmChicago O'Hare Intl
$1,042
Find similar

Turkish Airlines flights from Illinois to Kolkata

Our best Turkish Airlines deals on Illinois to Kolkata flight tickets
Turkish Airlines
Jan 8
ORD11:50 amChicago O'Hare Intl
40h 30m
2 stops
CCU3:50 pmKolkata Netaji S. Chandra
Jan 20
CCU9:30 pmKolkata Netaji S. Chandra
48h 05m
2 stops
ORD10:05 amChicago O'Hare Intl
$920
Find similar
Turkish Airlines
Nov 14
ORD11:50 amChicago O'Hare Intl
40h 30m
2 stops
CCU3:50 pmKolkata Netaji S. Chandra
Nov 29
CCU9:30 pmKolkata Netaji S. Chandra
48h 05m
2 stops
ORD10:05 amChicago O'Hare Intl
$998
Find similar
Turkish Airlines
Nov 23
ORD8:20 pmChicago O'Hare Intl
28h 35m
2 stops
CCU12:25 pmKolkata Netaji S. Chandra
Nov 29
CCU6:30 pmKolkata Netaji S. Chandra
51h 05m
2 stops
ORD10:05 amChicago O'Hare Intl
$999
Find similar

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 September 23, 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 1/14

5:50 pm-9:00 am

3 stops51h 40m

Kolkata Netaji S. Chandra

Wed 2/18

5:30 pm-4:20 pm

2 stops34h 20m

$919

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Thu 1/8

11:50 am-3:50 pm

2 stops40h 30m

Kolkata Netaji S. Chandra

Tue 1/20

9:30 pm-10:05 am

2 stops48h 05m

$920

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Thu 11/6

8:20 pm-12:25 pm

2 stops28h 35m

Kolkata Netaji S. Chandra

Thu 11/13

5:00 am-11:30 am

3 stops42h 00m

$921

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Fri 10/31

2:10 pm-2:40 am

1 stop26h 00m

Kolkata Netaji S. Chandra

Thu 11/6

3:35 am-7:55 am

1 stop39h 50m

$922

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Sun 3/22

2:10 pm-2:40 am

1 stop26h 00m

Kolkata Netaji S. Chandra

Mon 4/6

3:45 am-8:45 am

1 stop39h 30m

$935

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Fri 10/24

7:50 pm-3:50 pm

2 stops33h 30m

Kolkata Netaji S. Chandra

Sat 11/1

9:30 pm-7:25 pm

2 stops32h 25m

$938

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Sun 10/26

2:30 pm-11:30 pm

1 stop22h 30m

Kolkata Netaji S. Chandra

Sat 11/15

9:20 pm-11:30 am

2 stops25h 40m

$939

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Wed 10/29

2:30 pm-11:30 pm

1 stop22h 30m

Kolkata Netaji S. Chandra

Tue 11/11

4:15 pm-11:30 am

2 stops30h 45m

$945

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Sun 3/22

10:50 pm-9:00 am

2 stops47h 40m

Kolkata Netaji S. Chandra

Fri 4/10

5:30 pm-3:55 pm

2 stops32h 55m

$947

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Mon 11/24

8:20 pm-5:35 pm

2 stops33h 45m

Kolkata Netaji S. Chandra

Mon 12/1

7:30 pm-6:25 pm

2 stops34h 25m

$948

Flights are sorted by cheapest round-trip flights 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 March is, on average, the cheapest month to fly to Kolkata from Illinois, with most prices found around $817. If you aren’t able to travel during the month of March, then book flights to Kolkata from Illinois during April instead. Flights to Kolkata in April, while not as cheap as those in March, still average around $865.

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

On average, the least expensive day to fly to Kolkata from Illinois is on a Sunday. momondo users have found tickets for Sunday departures for as low as $1,028. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Tuesday as prices are generally higher than usual. According to our data, the average ticket price to Kolkata on Tuesday is $1,134.

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

In the afternoon is the cheapest time of day to fly from Illinois to Kolkata when you can find flight prices for as low as $1,063. Flying to Kolkata in the afternoon is an ideal time because this is during off-peak travel hours. Flights to Kolkata are more costly in the evening, with an average ticket price of $1,134. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

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 $1,112 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 $944 on momondo.

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

There are 2 cabin classes 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.

Can stopping save me money on Illinois to Kolkata flights?

You could potentially save up to 8% 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 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 $735Free CancellationRating
5.5
2,934 reviews
Search Air India flights
Etihad AirwaysPriceFrom $800Free CancellationRating
7.4
1,256 reviews
Search Etihad Airways flights
SWISSPriceFrom $814Free CancellationRating
7.6
1,742 reviews
Search SWISS flights
LufthansaPriceFrom $817Free CancellationRating
6.8
7,421 reviews
Search Lufthansa flights
EmiratesPriceFrom $823Free CancellationRating
8.1
3,345 reviews
Search Emirates flights
Qatar AirwaysPriceFrom $886Free CancellationRating
7.4
3,626 reviews
Search Qatar Airways flights
IndiGoPriceFrom $1,015Free CancellationRating
6.9
484 reviews
Search IndiGo 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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