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Cheap flights from Illinois to Kolkata from $477

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 8/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Illinois to Kolkata

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:01 am - 2:55 am
STL
-
CCU
29h 24m
2 stops
Multiple Airlines Logo
3:50 am - 11:58 pm
CCU
-
STL
30h 38m
2 stops
$1,031Multiple Airlines
Thu, Sep 24 - Fri, Oct 16
Emirates Logo
7:45 pm - 7:40 am
ORD
-
CCU
24h 25m
1 stop
Emirates Logo
9:15 am - 2:55 pm
CCU
-
ORD
41h 10m
1 stop
$1,220Emirates
Sun, Nov 1 - Thu, Mar 4
Etihad Airways Logo
2:00 pm - 8:30 pm
ORD
-
CCU
20h 00m
1 stop
Etihad Airways Logo
9:30 pm - 3:40 pm
CCU
-
ORD
28h 40m
1 stop
$1,221Etihad Airways
Tue, Jul 28 - Wed, Aug 12
Qatar Airways Logo
7:00 am - 1:55 am
ORD
-
CCU
31h 25m
2 stops
Qatar Airways Logo
3:25 am - 2:30 pm
CCU
-
ORD
22h 35m
1 stop
$1,224Qatar Airways
Thu, Nov 19 - Tue, Jan 19
Qatar Airways Logo
6:00 am - 2:30 am
ORD
-
CCU
34h 00m
2 stops
Qatar Airways Logo
4:00 am - 3:05 pm
CCU
-
ORD
21h 35m
1 stop
$1,225Qatar Airways
Sat, Sep 5 - Mon, Sep 28
Multiple Airlines Logo
7:00 am - 1:55 am
ORD
-
CCU
31h 25m
2 stops
Multiple Airlines Logo
9:00 pm - 2:30 pm
CCU
-
ORD
53h 00m
2 stops
$1,226Multiple Airlines
Tue, Nov 3 - Mon, Nov 30
Etihad Airways Logo
8:20 pm - 8:00 pm
ORD
-
CCU
36h 10m
1 stop
Etihad Airways Logo
3:35 am - 7:55 am
CCU
-
ORD
39h 50m
1 stop
$1,227Etihad Airways
Mon, Nov 16 - Sat, Jan 16
Qatar Airways Logo
7:27 am - 2:30 am
STL
-
CCU
32h 33m
2 stops
Qatar Airways Logo
4:00 am - 8:44 pm
CCU
-
STL
27h 14m
2 stops
$1,227Qatar Airways
Thu, Sep 17 - Mon, Sep 21
Lufthansa Logo
3:30 pm - 8:50 am
STL
-
CCU
54h 50m
2 stops
Lufthansa Logo
9:00 pm - 1:45 pm
CCU
-
STL
52h 15m
2 stops
$3,264Lufthansa
Wed, Oct 21 - Wed, Feb 24
Lufthansa Logo
1:29 pm - 8:50 am
STL
-
CCU
32h 51m
3 stops
Lufthansa Logo
9:00 pm - 1:45 pm
CCU
-
STL
52h 15m
2 stops
$3,436Lufthansa
Wed, Oct 21 - Wed, Feb 24

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Qatar Airways flights from Illinois to Kolkata

Our best Qatar Airways deals on Illinois to Kolkata flight tickets
Qatar Airways
Nov 19
ORD7:00 amChicago O'Hare Intl
31h 25m
2 stops
CCU1:55 amKolkata Netaji S. Chandra
Jan 19
CCU3:25 amKolkata Netaji S. Chandra
22h 35m
1 stop
ORD2:30 pmChicago O'Hare Intl
$1,224
Qatar Airways
Sep 5
ORD6:00 amChicago O'Hare Intl
34h 00m
2 stops
CCU2:30 amKolkata Netaji S. Chandra
Sep 28
CCU4:00 amKolkata Netaji S. Chandra
21h 35m
1 stop
ORD3:05 pmChicago O'Hare Intl
$1,225
Qatar Airways
Sep 17
STL7:27 amLambert-St Louis
32h 33m
2 stops
CCU2:30 amKolkata Netaji S. Chandra
Sep 21
CCU4:00 amKolkata Netaji S. Chandra
27h 14m
2 stops
STL8:44 pmLambert-St Louis
$1,227

Emirates flights from Illinois to Kolkata

Our best Emirates deals on Illinois to Kolkata flight tickets
Emirates
Nov 1
ORD7:45 pmChicago O'Hare Intl
24h 25m
1 stop
CCU7:40 amKolkata Netaji S. Chandra
Mar 4
CCU9:15 amKolkata Netaji S. Chandra
41h 10m
1 stop
ORD2:55 pmChicago O'Hare Intl
$1,220
Emirates
Jul 8
ORD8:35 pmChicago O'Hare Intl
25h 05m
1 stop
CCU8:10 amKolkata Netaji S. Chandra
Jul 15
CCU1:30 amKolkata Netaji S. Chandra
24h 45m
1 stop
ORD3:45 pmChicago O'Hare Intl
$1,619

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 July 1, 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 round-trip

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Thu 9/24

11:01 am-2:55 am

2 stops29h 24m

Kolkata Netaji S. Chandra

Fri 10/16

3:50 am-11:58 pm

2 stops30h 38m

$1,031

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Sun 11/1

7:45 pm-7:40 am

1 stop24h 25m

Kolkata Netaji S. Chandra

Thu 3/4

9:15 am-2:55 pm

1 stop41h 10m

$1,220
Quickest round-trip

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Tue 7/28

2:00 pm-8:30 pm

1 stop20h 00m

Kolkata Netaji S. Chandra

Wed 8/12

9:30 pm-3:40 pm

1 stop28h 40m

$1,221

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Thu 11/19

7:00 am-1:55 am

2 stops31h 25m

Kolkata Netaji S. Chandra

Tue 1/19

3:25 am-2:30 pm

1 stop22h 35m

$1,224

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Sat 9/5

6:00 am-2:30 am

2 stops34h 00m

Kolkata Netaji S. Chandra

Mon 9/28

4:00 am-3:05 pm

1 stop21h 35m

$1,225

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Tue 11/3

7:00 am-1:55 am

2 stops31h 25m

Kolkata Netaji S. Chandra

Mon 11/30

9:00 pm-2:30 pm

2 stops53h 00m

$1,226

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Mon 11/16

8:20 pm-8:00 pm

1 stop36h 10m

Kolkata Netaji S. Chandra

Sat 1/16

3:35 am-7:55 am

1 stop39h 50m

$1,227

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Thu 9/17

7:27 am-2:30 am

2 stops32h 33m

Kolkata Netaji S. Chandra

Mon 9/21

4:00 am-8:44 pm

2 stops27h 14m

$1,227

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Wed 10/21

3:30 pm-8:50 am

2 stops54h 50m

Kolkata Netaji S. Chandra

Wed 2/24

9:00 pm-1:45 pm

2 stops52h 15m

$3,264

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Wed 10/21

1:29 pm-8:50 am

3 stops32h 51m

Kolkata Netaji S. Chandra

Wed 2/24

9:00 pm-1:45 pm

2 stops52h 15m

$3,436

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 August is, on average, the cheapest month to fly to Kolkata from Illinois, with most prices found around $516. If you aren’t able to travel during the month of August, then book flights to Kolkata from Illinois during May instead. Flights to Kolkata in May, while not as cheap as those in August, still average around $679.

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 $1,173 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 $976 on momondo.

Can stopping save me money on Illinois to Kolkata flights?

You could potentially save up to 36% 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.
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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 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 $718Free CancellationRating
5.6
2,957 reviews
Search Air India flights
IndiGoPriceFrom $843Free CancellationRating
6.8
574 reviews
Search IndiGo flights
EmiratesPriceFrom $887Free CancellationRating
8.1
3,606 reviews
Search Emirates flights
Etihad AirwaysPriceFrom $899Free CancellationRating
7.3
1,471 reviews
Search Etihad Airways flights
Qatar AirwaysPriceFrom $932Free CancellationRating
7.3
3,737 reviews
Search Qatar Airways flights
SWISSPriceFrom $1,273Free CancellationRating
7.5
1,982 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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