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Kolkata

$341+ Cheap flights from Illinois to Kolkata (CCU)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/22. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CCU
Mar 17 — Mar 241
Tue 3/17
Tue 3/24
1 adult, Economy
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Cheap flight deals from Illinois to Kolkata

Cheapest flights from Illinois to Kolkata
Explore the most affordable flight options available from Illinois to Kolkata. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 15, 2026.

This Indian Eagle deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/151:10 pm
ORD
-
CCU
1 stop21h 35m
Air India
Tue 4/289:00 pm
CCU
-
ORD
2 stops24h 40m
Air India
Deal found 2/13$871
This oojo deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/261:10 pm
ORD
-
CCU
1 stop19h 20m
Etihad Airways
Wed 4/89:30 pm
CCU
-
ORD
1 stop21h 35m
Etihad Airways
Deal found 2/13$897
This Indian Eagle deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/27:45 pm
ORD
-
CCU
1 stop35h 35m
Emirates
Tue 3/179:15 am
CCU
-
ORD
1 stop41h 00m
Emirates
Deal found 2/14$899
This Kiwi.com deal was found by Cheapflights users on 2/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/251:10 pm
ORD
-
CCU
1 stop26h 00m
Etihad Airways
Sat 3/143:35 am
CCU
-
ORD
1 stop39h 30m
Etihad Airways
Deal found 2/12$904
This Indian Eagle deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/21:30 pm
ORD
-
CCU
1 stop20h 15m
Air India
Tue 3/2410:00 pm
CCU
-
ORD
2 stops25h 00m
Air India
Deal found 2/15$906
This Indian Eagle deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/17:45 pm
ORD
-
CCU
1 stop24h 25m
Emirates
Mon 3/169:15 am
CCU
-
ORD
1 stop41h 00m
Emirates
Deal found 2/13$910
This Indian Eagle deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/151:10 pm
ORD
-
CCU
1 stop21h 35m
Air India
Thu 4/3010:00 pm
CCU
-
ORD
2 stops23h 40m
Air India
Deal found 2/13$912
This Kiwi.com deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/231:30 pm
ORD
-
CCU
1 stop22h 15m
Multiple Airlines
Wed 3/1111:00 pm
CCU
-
ORD
2 stops51h 35m
Multiple Airlines
Deal found 2/13$913
This oojo deal was found by Cheapflights users on 2/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/301:10 pm
ORD
-
CCU
1 stop21h 35m
Air India
Sun 4/127:05 pm
CCU
-
ORD
2 stops26h 35m
Air India
Deal found 2/11$918
This Indian Eagle deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/171:10 pm
ORD
-
CCU
1 stop23h 35m
Air India
Tue 4/289:00 pm
CCU
-
ORD
2 stops24h 40m
Air India
Deal found 2/13$919
This Gotogate deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/221:10 pm
ORD
-
CCU
1 stop26h 00m
Etihad Airways
Mon 3/28:55 pm
CCU
-
ORD
1 stop22h 10m
Etihad Airways
Deal found 2/14$920
This oojo deal was found by Cheapflights users on 2/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/102:10 pm
ORD
-
CCU
1 stop19h 20m
Etihad Airways
Tue 3/314:10 am
CCU
-
ORD
1 stop38h 55m
Etihad Airways
Deal found 2/13$921

Find flight deals from Illinois to Kolkata

Keep the following information in mind while searching for Illinois to Kolkata flight deals. Data was last updated February 15, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$871
(Indian Eagle)

One-way from

$341
(oojo)

Popular in

December

Cheapest in

September

Average price

$960
Provider with most accurate pricing for Chicago (CHI)-Kolkata Netaji S. Chandra flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Kolkata Netaji S. Chandra flights.
Search Deals
From Illinois to Kolkata Netaji S. Chandra
Search Deals
One-way flight from Illinois to Kolkata Netaji S. Chandra
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($197 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($64 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated February 15, 2026.
Use the filters below to find and compare flights from Illinois to Kolkata that are best for you.

Fly from

Illinois

Fly to

Kolkata

Route

Depart

Return

Price

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Wed 2/25

1:10 pm-2:40 am

1 stop26h 00m

Kolkata Netaji S. Chandra

Sat 3/14

3:35 am-8:35 am

1 stop39h 30m

$904

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

10:30 am-11:10 am

2 stops35h 10m

$918

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Wed 2/25

1:10 pm-2:00 am

2 stops25h 20m

Kolkata Netaji S. Chandra

Sat 3/14

3:35 am-8:35 am

1 stop39h 30m

$928

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Mon 3/2

1:30 pm-2:00 am

1 stop25h 00m

Kolkata Netaji S. Chandra

Tue 3/17

6:50 pm-8:35 am

2 stops48h 15m

$935

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Fri 4/17

1:10 pm-11:30 pm

1 stop23h 50m

Kolkata Netaji S. Chandra

Wed 4/22

11:30 am-8:35 am

2 stops31h 35m

$952

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Mon 4/20

7:20 pm-2:30 am

1 stop20h 40m

Kolkata Netaji S. Chandra

Fri 5/8

4:00 am-3:05 pm

1 stop21h 35m

$956

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Sun 3/1

7:45 pm-7:40 am

1 stop24h 25m

Kolkata Netaji S. Chandra

Sun 3/15

8:25 pm-3:45 pm

1 stop29h 50m

$960

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Sat 2/28

1:10 pm-8:00 pm

1 stop19h 20m

Kolkata Netaji S. Chandra

Fri 3/6

8:55 pm-7:35 am

1 stop22h 10m

$961

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Wed 3/4

1:30 pm-11:15 pm

1 stop22h 15m

Kolkata Netaji S. Chandra

Mon 3/23

6:00 am-12:30 pm

3 stops65h 00m

$961

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Sat 2/28

1:10 pm-8:00 pm

1 stop19h 20m

Kolkata Netaji S. Chandra

Fri 3/6

7:10 pm-3:05 pm

2 stops31h 25m

$964

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/14

Showing 1-10 of 25 results
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Best time to book a flight from Illinois to Kolkata

Have a flexible travel schedule? Discover the best time to fly to Kolkata from Illinois with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Kolkata

What is the cheapest month to book a flight from Illinois to Kolkata?

Currently, August is the cheapest month in which you can book a flight from Illinois to Kolkata (average of $709). Flying from Illinois to Kolkata in December is currently the most expensive (average of $1,051). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IL to CCU?

Find hourly flight availability from Illinois to Kolkata. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 15, 2026.

Unlike at noon, when flights are generally more expensive, you can save up to 48% on flights from Illinois to Kolkata by exploring options for tickets in the morning.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Kolkata. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Kolkata from Illinois?

    For a flight from Illinois to Kolkata, you will be flying into Netaji S. Chandra. Kolkata Netaji S. Chandra (CCU) is just 8.3 mi from the center of the city.

  • How long is the flight from Illinois to Kolkata?

    For as low as $904, Etihad Airways can have you in Kolkata from Illinois in 26h. Airlines will cover a distance of 7959 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Illinois to Kolkata one-way?

    The cheapest airline one-way is Air India, with whom users have recently found tickets for as low as $276. However, be on the lookout for offers from IndiGo and Etihad Airways, as they are both options that can get you from Illinois to Kolkata for a low price.

  • Can I find deals for flights from Illinois to Kolkata that include hotel bookings?

    Yes. In addition to deals on Illinois to Kolkata flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Kolkata?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Kolkata.

  • Can I find deals for business class flights from Illinois to Kolkata?

    Yes. Cheapflights offers flight deals from Illinois to Kolkata by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Illinois to Kolkata?

    Currently, August is the cheapest month in which you can book a flight from Illinois to Kolkata (average of $709). Flying from Illinois to Kolkata in December is currently the most expensive (average of $1,051). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Illinois to Kolkata

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Illinois to Kolkata

Discover the top 6 airlines that operate flights from Illinois to Kolkata. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air IndiaCheapest$729Average$1,036FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$814Average$1,281FlexibilityNo cancel feeOn-time79%
IndiGoCheapest$850Average$1,251FlexibilityNo cancel feeOn-time80%
Etihad AirwaysCheapest$896Average$1,129FlexibilityNo cancel feeOn-time75%
Qatar AirwaysCheapest$924Average$1,307FlexibilityNo cancel feeOn-time68%
EmiratesCheapest$931Average$1,109FlexibilityNo cancel feeOn-time75%

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