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Cheap flights from Illinois to Kolkata from $398

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 9/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Illinois to Kolkata

Cheap round-trip flights

Air India Logo
1:10 pm - 7:45 pmORD-CCU
20h 05m1 stop
Air India Logo
9:20 pm - 7:30 amCCU-ORD
20h 40m1 stop
$707Air India
Find Deal
Mon, Aug 25 - Wed, Oct 29
Air India Logo
1:10 pm - 7:45 pmORD-CCU
20h 05m1 stop
Air India Logo
9:20 pm - 6:30 amCCU-ORD
20h 40m1 stop
$739Air India
Find Deal
Sun, Aug 24 - Mon, Nov 3
IndiGo Logo
7:50 pm - 8:15 pmORD-CCU
37h 55m2 stops
IndiGo Logo
9:15 pm - 10:00 pmCCU-ORD
35h 15m2 stops
$895IndiGo
Find Deal
Tue, Sep 16 - Tue, Sep 23
IndiGo Logo
7:50 pm - 3:30 pmORD-CCU
33h 10m2 stops
IndiGo Logo
9:15 pm - 5:55 pmCCU-ORD
31h 10m2 stops
$901IndiGo
Find Deal
Fri, Sep 19 - Mon, Oct 13
Logo
7:50 pm - 3:30 pmORD-CCU
33h 10m2 stops
Logo
12:55 am - 7:30 amCCU-ORD
41h 05m1 stop
$912
Find Deal
Wed, Aug 27 - Thu, Oct 30
Emirates Logo
8:35 pm - 8:10 amORD-CCU
25h 05m1 stop
Emirates Logo
8:45 pm - 3:45 pmCCU-ORD
29h 30m1 stop
$915Emirates
Find Deal
Sun, Aug 31 - Wed, Oct 8
Emirates Logo
8:35 pm - 8:10 amORD-CCU
25h 05m1 stop
Emirates Logo
8:25 pm - 2:55 pmCCU-ORD
30h 00m1 stop
$936Emirates
Find Deal
Sun, Sep 28 - Fri, Nov 7
Logo
1:55 pm - 12:50 amORD-CCU
24h 25m2 stops
Logo
11:45 am - 11:10 amCCU-ORD
33h 55m3 stops
$938
Find Deal
Wed, Sep 3 - Thu, Sep 18
Qatar Airways Logo
7:20 pm - 2:20 amORD-CCU
20h 30m1 stop
Qatar Airways Logo
3:25 am - 3:30 pmCCU-ORD
22h 35m1 stop
$942Qatar Airways
Find Deal
Tue, Aug 26 - Tue, Oct 28
Qatar Airways Logo
7:20 pm - 2:20 amORD-CCU
20h 30m1 stop
Qatar Airways Logo
3:50 am - 3:05 pmCCU-ORD
21h 45m1 stop
$947Qatar Airways
Find Deal
Thu, Sep 4 - Mon, Sep 22

Etihad Airways flights from Illinois to Kolkata

Our best Etihad Airways deals on Illinois to Kolkata flight tickets
Etihad Airways
Sep 23
ORD1:55 pmChicago O'Hare Intl
20h 10m
1 stop
CCU8:35 pmKolkata Netaji S. Chandra
Oct 14
CCU4:00 amKolkata Netaji S. Chandra
39h 15m
1 stop
ORD8:45 amChicago O'Hare Intl
$952
Find similar
Etihad Airways
Aug 12
ORD1:55 pmChicago O'Hare Intl
20h 10m
1 stop
CCU8:35 pmKolkata Netaji S. Chandra
Sep 1
CCU9:30 pmKolkata Netaji S. Chandra
21h 45m
1 stop
ORD8:45 amChicago O'Hare Intl
$1,024
Find similar
Etihad Airways
Aug 12
ORD1:55 pmChicago O'Hare Intl
20h 10m
1 stop
CCU8:35 pmKolkata Netaji S. Chandra
Sep 1
CCU9:30 pmKolkata Netaji S. Chandra
21h 45m
1 stop
ORD8:45 amChicago O'Hare Intl
$1,033
Find similar

Qatar Airways flights from Illinois to Kolkata

Our best Qatar Airways deals on Illinois to Kolkata flight tickets
Qatar Airways
Aug 26
ORD7:20 pmChicago O'Hare Intl
20h 30m
1 stop
CCU2:20 amKolkata Netaji S. Chandra
Oct 28
CCU3:25 amKolkata Netaji S. Chandra
22h 35m
1 stop
ORD3:30 pmChicago O'Hare Intl
$942
Find similar
Qatar Airways
Sep 4
ORD7:20 pmChicago O'Hare Intl
20h 30m
1 stop
CCU2:20 amKolkata Netaji S. Chandra
Sep 22
CCU3:50 amKolkata Netaji S. Chandra
21h 45m
1 stop
ORD3:05 pmChicago O'Hare Intl
$947
Find similar
Qatar Airways
Sep 4
ORD7:20 pmChicago O'Hare Intl
20h 30m
1 stop
CCU2:20 amKolkata Netaji S. Chandra
Sep 22
CCU3:50 amKolkata Netaji S. Chandra
21h 45m
1 stop
ORD3:05 pmChicago O'Hare Intl
$951
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 August 4, 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 8/25

1:10 pm-7:45 pm

1 stop20h 05m

Kolkata Netaji S. Chandra

Wed 10/29

9:20 pm-7:30 am

1 stop20h 40m

$707

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Sun 8/24

1:10 pm-7:45 pm

1 stop20h 05m

Kolkata Netaji S. Chandra

Mon 11/3

9:20 pm-6:30 am

1 stop20h 40m

$739

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Tue 9/16

7:50 pm-8:15 pm

2 stops37h 55m

Kolkata Netaji S. Chandra

Tue 9/23

9:15 pm-10:00 pm

2 stops35h 15m

$895

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Fri 9/19

7:50 pm-3:30 pm

2 stops33h 10m

Kolkata Netaji S. Chandra

Mon 10/13

9:15 pm-5:55 pm

2 stops31h 10m

$901

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Wed 8/27

7:50 pm-3:30 pm

2 stops33h 10m

Kolkata Netaji S. Chandra

Thu 10/30

12:55 am-7:30 am

1 stop41h 05m

$912

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Sun 8/31

8:35 pm-8:10 am

1 stop25h 05m

Kolkata Netaji S. Chandra

Wed 10/8

8:45 pm-3:45 pm

1 stop29h 30m

$915

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Sun 9/28

8:35 pm-8:10 am

1 stop25h 05m

Kolkata Netaji S. Chandra

Fri 11/7

8:25 pm-2:55 pm

1 stop30h 00m

$936

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Wed 9/3

1:55 pm-12:50 am

2 stops24h 25m

Kolkata Netaji S. Chandra

Thu 9/18

11:45 am-11:10 am

3 stops33h 55m

$938

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Tue 8/26

7:20 pm-2:20 am

1 stop20h 30m

Kolkata Netaji S. Chandra

Tue 10/28

3:25 am-3:30 pm

1 stop22h 35m

$942

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Thu 9/4

7:20 pm-2:20 am

1 stop20h 30m

Kolkata Netaji S. Chandra

Mon 9/22

3:50 am-3:05 pm

1 stop21h 45m

$947

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 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 September instead. Flights to Kolkata in September, while not as cheap as those in March, still average around $854.

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 Thursday. momondo users have found tickets for Thursday departures for as low as $915. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Kolkata on Saturday is $1,318.

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 $1,109 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 $919 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.

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

$398

Fastest flight time

18h 40m

Direct flights

None

Airports in Kolkata

1 airport
The best one-way flight to Kolkata from Illinois in the past 72 hours is $398. The best round-trip flight deal from Illinois to Kolkata found on momondo in the last 72 hours is $707.
The fastest flight from Illinois to Kolkata takes 18h 40m
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 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 $738Free CancellationRating
5.5
2,928 reviews
Search Air India flights
Etihad AirwaysPriceFrom $785Free CancellationRating
7.4
1,232 reviews
Search Etihad Airways flights
LufthansaPriceFrom $817Free CancellationRating
6.8
7,285 reviews
Search Lufthansa flights
EmiratesPriceFrom $823Free CancellationRating
8.1
3,303 reviews
Search Emirates flights
Qatar AirwaysPriceFrom $864Free CancellationRating
7.4
3,608 reviews
Search Qatar Airways flights
IndiGoPriceFrom $959Free CancellationRating
6.8
479 reviews
Search IndiGo flights
SWISSPriceFrom $972Free CancellationRating
7.5
1,687 reviews
Search SWISS 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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