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$450+ 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 11/27. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CCU
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
1 adult, Economy
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Cheap flight deals from Illinois to Kolkata

Keep the following information in mind while searching for Illinois to Kolkata flight deals. Data was last updated November 13, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$928
(oojo)

One-way from

$450
(Kiwi.com)

Popular in

December

Cheapest in

March

Average price

$1,092
Provider with most accurate pricing for Chicago (CHI)-Kolkata Netaji S. Chandra flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Kolkata Netaji S. Chandra flights.
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From Illinois to Kolkata Netaji S. Chandra
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One-way flight from Illinois to Kolkata Netaji S. Chandra
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Highest demand for flights based on searches. 12% potential increase in price ($162 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($56 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find 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 November 13, 2025.

This Indian Eagle deal was found by Cheapflights users on 11/11. 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 Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/11:30 pmORD - CCU
1 stop20h 15mAir India
Tue 12/910:00 pmCCU - ORD
2 stops25h 00mAir India
Deal found 11/11$937
This Indian Eagle deal was found by Cheapflights users on 11/11. 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 Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/11:30 pmORD - CCU
1 stop20h 15mAir India
Thu 12/410:00 pmCCU - ORD
2 stops25h 00mAir India
Deal found 11/11$943
This Indian Eagle deal was found by Cheapflights users on 11/11. 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 Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/301:30 pmORD - CCU
1 stop20h 15mAir India
Tue 12/910:00 pmCCU - ORD
2 stops25h 00mAir India
Deal found 11/11$951
This Indian Eagle deal was found by Cheapflights users on 11/11. 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 Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/301:30 pmORD - CCU
1 stop20h 15mAir India
Sun 12/77:05 pmCCU - ORD
2 stops27h 55mAir India
Deal found 11/11$958
This FlightHub deal was found by Cheapflights users on 11/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/11:30 pmORD - CCU
1 stop20h 15mAir India
Sat 12/612:30 amCCU - ORD
2 stops46h 30mAir India
Deal found 11/11$973
This Indian Eagle deal was found by Cheapflights users on 11/11. 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 Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/71:30 pmORD - CCU
1 stop23h 15mAir India
Sun 12/1410:30 amCCU - ORD
2 stops36h 30mAir India
Deal found 11/11$999
This Trip.com deal was found by Cheapflights users on 11/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/31:30 pmORD - CCU
1 stop31h 40mAir India
Thu 12/183:55 pmCCU - ORD
2 stops31h 05mAir India
Deal found 11/12$1,000
This Indian Eagle deal was found by Cheapflights users on 11/12. 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 Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/281:30 pmORD - CCU
1 stop27h 15mAir India
Wed 2/115:00 amCCU - ORD
3 stops66h 00mAir India
Deal found 11/12$1,015
This Indian Eagle deal was found by Cheapflights users on 11/11. 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 Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/301:30 pmORD - CCU
1 stop22h 15mAir India
Wed 12/245:00 amCCU - ORD
3 stops66h 00mAir India
Deal found 11/11$1,018
This Indian Eagle deal was found by Cheapflights users on 11/11. 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 Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/301:30 pmORD - CCU
1 stop23h 15mAir India
Sat 12/611:35 amCCU - ORD
3 stops35h 25mAir India
Deal found 11/11$1,072
This Justfly.com deal was found by Cheapflights users on 11/11. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/143:50 pmSTL - CCU
2 stops35h 55mMultiple Airlines
Sat 1/179:00 pmCCU - STL
2 stops28h 25mMultiple Airlines
Deal found 11/11$2,406
This oojo deal was found by Cheapflights users on 11/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/141:59 pmSTL - CCU
2 stops24h 26mQatar Airways
Fri 1/163:25 amCCU - STL
2 stops54h 49mQatar Airways
Deal found 11/12$2,460

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 November 13, 2025.
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

Fri 1/16

9:05 pm-9:50 am

3 stops49h 15m

Kolkata Netaji S. Chandra

Thu 2/12

9:00 pm-12:10 pm

3 stops26h 40m

$942

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Sun 12/7

1:30 pm-11:15 pm

1 stop22h 15m

Kolkata Netaji S. Chandra

Sun 12/14

9:00 pm-11:30 am

2 stops26h 00m

$1,117

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Mon 12/1

1:10 pm-8:00 pm

1 stop19h 20m

Kolkata Netaji S. Chandra

Sun 12/7

8:55 pm-7:35 am

1 stop22h 10m

$1,204

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Sun 11/30

6:50 pm-8:40 am

2 stops26h 20m

Kolkata Netaji S. Chandra

Fri 12/5

9:00 pm-2:10 pm

3 stops28h 40m

$1,280

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Sun 12/7

8:20 pm-12:40 pm

2 stops28h 50m

Kolkata Netaji S. Chandra

Sat 12/13

12:30 am-11:30 am

2 stops46h 30m

$1,330

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Mon 12/1

6:50 pm-8:40 am

2 stops26h 20m

Kolkata Netaji S. Chandra

Sun 12/7

9:00 pm-12:10 pm

3 stops26h 40m

$1,360

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Sat 11/29

6:50 pm-9:50 am

2 stops51h 30m

Kolkata Netaji S. Chandra

Sun 12/7

9:00 pm-12:10 pm

3 stops26h 40m

$1,442

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Sun 11/30

6:50 pm-1:55 am

1 stop19h 35m

Kolkata Netaji S. Chandra

Wed 12/3

3:25 am-2:30 pm

1 stop22h 35m

$1,443

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Sun 12/14

3:50 pm-3:15 pm

2 stops35h 55m

Kolkata Netaji S. Chandra

Sat 1/17

9:00 pm-1:55 pm

2 stops28h 25m

$2,406

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Sun 12/14

1:59 pm-1:55 am

2 stops24h 26m

Kolkata Netaji S. Chandra

Fri 1/16

3:25 am-10:44 pm

2 stops54h 49m

$2,460

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/11

Showing 1-10 of 22 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 $1,057). 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 November 13, 2025.

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.

What is the cheapest day to fly from Illinois to Kolkata?

Use this chart to determine the cheapest time to fly round-trip from Illinois to Kolkata. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Illinois to Kolkata flight should consider departing on Tuesday at noon when fares are most often at their lowest. Wednesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 $1,204, SWISS can have you in Kolkata from Illinois in 19h 20m. Airlines will cover a distance of 7959 mi. This flight may include one or multiple stops.

  • 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 $1,057). 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 November 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air IndiaCheapest$733Average$998FlexibilityNo cancel feeOn-timeN/A
Etihad AirwaysCheapest$812Average$1,061FlexibilityNo cancel feeOn-time75%
SWISSCheapest$814Average$1,281FlexibilityNo cancel feeOn-time79%
IndiGoCheapest$850Average$1,382FlexibilityNo cancel feeOn-time80%
Qatar AirwaysCheapest$887Average$1,304FlexibilityNo cancel feeOn-time68%
EmiratesCheapest$963Average$1,215FlexibilityNo cancel feeOn-time75%

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