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$531+ Cheap flights from Kolkata (CCU) to Illinois

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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
CCU — ORD
Apr 29 — May 61
Tue 4/29
Tue 5/6
1 adult, Economy
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Cheap flight deals from Kolkata to Illinois

Keep the following information in mind while searching for Kolkata to Illinois flight deals. Data was last updated April 24, 2025.

Round-trip from

$1,059
(Flightnetwork)

One-way from

$531
(Booking.com)

Popular in

August

Cheapest in

April

Average price

$1,033
From Kolkata Netaji S. Chandra to Illinois
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One-way flight from Kolkata Netaji S. Chandra to Illinois
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Highest demand for flights based on searches. 10% potential increase in price ($171 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($72 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Kolkata to Illinois

Cheapest flights from Kolkata to Illinois
Explore the most affordable flight options available from Kolkata to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.

This Flightnetwork deal was found by Cheapflights users on 4/23. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/233:45 amCCU - ORD
1 stop39h 30mEtihad Airways
Mon 6/91:55 pmORD - CCU
1 stop20h 55mEtihad Airways
Deal found 4/23$1,059
This Flightnetwork deal was found by Cheapflights users on 4/23. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/122:00 amCCU - ORD
2 stops30h 30mMultiple Airlines
Sun 8/2412:00 pmORD - CCU
1 stop22h 00mMultiple Airlines
Deal found 4/23$1,101
This Flightnetwork deal was found by Cheapflights users on 4/23. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/122:00 amCCU - ORD
2 stops26h 25mIndiGo
Sun 8/247:50 pmORD - CCU
2 stops35h 30mIndiGo
Deal found 4/23$1,107
This American Airlines deal was found by Cheapflights users on 4/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/56:00 pmCCU - ORD
2 stops27h 39mAmerican Airlines
Mon 9/154:56 pmORD - CCU
2 stops25h 19mAmerican Airlines
Deal found 4/23$1,206
This Emirates deal was found by Cheapflights users on 4/23. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/49:45 amCCU - ORD
1 stop40h 30mEmirates
Sat 10/188:35 pmORD - CCU
1 stop25h 05mEmirates
Deal found 4/23$1,314
This EaseMyTrip deal was found by Cheapflights users on 4/23. 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 EaseMyTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/99:55 amCCU - ORD
1 stop32h 00mAir India
Tue 9/3012:00 pmORD - CCU
1 stop25h 00mAir India
Deal found 4/23$1,338
This Agoda.com deal was found by Cheapflights users on 4/23. 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 Agoda.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2010:15 pmCCU - ORD
2 stops51h 10mBritish Airways
Sat 1/35:00 pmORD - CCU
2 stops51h 05mBritish Airways
Deal found 4/23$1,365
This EaseMyTrip deal was found by Cheapflights users on 4/23. 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 EaseMyTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/94:00 pmCCU - ORD
2 stops33h 10mKLM
Tue 9/302:10 pmORD - CCU
3 stops31h 45mKLM
Deal found 4/23$1,402
This Yatra.com deal was found by Cheapflights users on 4/23. 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 Yatra.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/193:20 amCCU - ORD
1 stop22h 40mQatar Airways
Sat 1/36:55 pmORD - CCU
1 stop19h 20mQatar Airways
Deal found 4/23$1,404
This Flightnetwork deal was found by Cheapflights users on 4/23. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1312:00 pmCCU - ORD
2 stops31h 45mJapan Airlines
Sat 8/231:30 amORD - CCU
2 stops40h 45mJapan Airlines
Deal found 4/23$1,555
This FlightHub deal was found by Cheapflights users on 4/22. 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.
Thu 5/1510:30 pmCCU - ORD
2 stops29h 55mTurkish Airlines
Sat 10/1811:45 pmORD - CCU
2 stops26h 40mTurkish Airlines
Deal found 4/22$1,571
This KAYAK deal was found by Cheapflights users on 4/23. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/292:00 amCCU - ORD
2 stops29h 40mThai Airways
Fri 9/1912:30 amORD - CCU
2 stops37h 45mThai Airways
Deal found 4/23$1,791

Cheapflights Fare Finder

Customize your flight search to find flights from Kolkata to Illinois 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 April 24, 2025.
Use the filters below to find and compare flights from Kolkata to Illinois that are best for you.

Fly from

Kolkata

Fly to

Illinois

Route

Depart

Return

Price

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Fri 5/23

3:45 am-8:45 am

1 stop39h 30m

Chicago O'Hare Intl

Mon 6/9

1:55 pm-9:20 pm

1 stop20h 55m

$1,059

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Tue 8/12

2:00 am-10:00 pm

2 stops30h 30m

Chicago O'Hare Intl

Sun 8/24

12:00 pm-8:30 pm

1 stop22h 00m

$1,101

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Tue 8/12

2:00 am-5:55 pm

2 stops26h 25m

Chicago O'Hare Intl

Sun 8/24

7:50 pm-5:50 pm

2 stops35h 30m

$1,107

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Mon 5/5

6:00 pm-11:09 am

2 stops27h 39m

Chicago O'Hare Intl

Mon 9/15

4:56 pm-4:45 am

2 stops25h 19m

$1,206

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Sat 10/4

9:45 am-3:45 pm

1 stop40h 30m

Chicago O'Hare Intl

Sat 10/18

8:35 pm-8:10 am

1 stop25h 05m

$1,314

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Tue 9/9

9:55 am-7:25 am

1 stop32h 00m

Chicago O'Hare Intl

Tue 9/30

12:00 pm-11:30 pm

1 stop25h 00m

$1,338

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Tue 9/9

4:00 pm-2:40 pm

2 stops33h 10m

Chicago O'Hare Intl

Tue 9/30

2:10 pm-8:25 am

3 stops31h 45m

$1,402

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Mon 9/8

2:00 am-2:00 pm

3 stops46h 30m

Chicago O'Hare Intl

Tue 9/30

10:35 pm-10:30 am

2 stops25h 25m

$1,436

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Sun 5/4

3:50 am-10:22 pm

2 stops29h 02m

Chicago O'Hare Intl

Mon 9/15

7:20 pm-2:20 am

1 stop20h 30m

$1,439

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Wed 8/13

12:00 pm-9:15 am

2 stops31h 45m

Chicago O'Hare Intl

Sat 8/23

1:30 am-4:45 am

2 stops40h 45m

$1,555

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

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

Have a flexible travel schedule? Discover the best time to fly to Illinois from Kolkata 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 Kolkata to Illinois

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

Currently, August is the cheapest month in which you can book a flight from Kolkata to Illinois (average of $245). Flying from Kolkata to Illinois in March is currently the most expensive (average of $321). 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 CCU to IL?

Find hourly flight availability from Kolkata to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 24, 2025.

When flying from Kolkata to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated April 24, 2025.
To help decide which airline to fly from Kolkata to Illinois, see what other customers have to say about Japan Airlines, Singapore Airlines and Emirates. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Japan Airlines
8.3
Very good
1,453 reviews

Entertainment

7.8

Food

7.7

Boarding

8.4

Comfort

8.2

Crew

8.7

Overall

8.3

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.
Japan Airlines
8.3
Very good
1,453 reviews
Japan Airlines
8.3
Very good
1,453 reviews

Entertainment

7.8

Food

7.7

Boarding

8.4

Comfort

8.2

Crew

8.7

Overall

8.3

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.
Singapore Airlines
8.1
Very good
1,290 reviews
Japan Airlines
8.3
Very good
1,453 reviews

Entertainment

7.8

Food

7.7

Boarding

8.4

Comfort

8.2

Crew

8.7

Overall

8.3

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.
Emirates
8.0
Very good
3,205 reviews
Japan Airlines
8.3
Very good
1,453 reviews

Entertainment

7.8

Food

7.7

Boarding

8.4

Comfort

8.2

Crew

8.7

Overall

8.3

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.
KLM
7.8
Good
1,333 reviews
Japan Airlines
8.3
Very good
1,453 reviews

Entertainment

7.8

Food

7.7

Boarding

8.4

Comfort

8.2

Crew

8.7

Overall

8.3

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.
Thai Airways
7.7
Good
325 reviews
Japan Airlines
8.3
Very good
1,453 reviews

Entertainment

7.8

Food

7.7

Boarding

8.4

Comfort

8.2

Crew

8.7

Overall

8.3

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Related info for your journey

Find useful and relevant information for your journey from Kolkata to Illinois. 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 from for flights from Kolkata to Illinois?

    Most people fly from Kolkata Netaji S. Chandra (CCU) if they book a flight from Kolkata to Illinois. Kolkata Netaji S. Chandra is conveniently located just 8.3 mi from Kolkata’s city center.

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

    The cheapest airlines for a one-way flight from Kolkata to Illinois are IndiGo ($531), Etihad Airways ($572), and American Airlines ($637).

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Kolkata to Illinois 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 Kolkata to Illinois?

    Currently, August is the cheapest month in which you can book a flight from Kolkata to Illinois (average of $245). Flying from Kolkata to Illinois in March is currently the most expensive (average of $321). 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 Kolkata to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Kolkata to Illinois

Discover the top 3 airlines that operate flights from Kolkata to Illinois. 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 April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qatar AirwaysCheapest$894Average$1,243FlexibilityNo cancel feeOn-time68%
Etihad AirwaysCheapest$1,072Average$1,346FlexibilityNo cancel feeOn-time75%
Air IndiaCheapest$1,149Average$1,325FlexibilityNo cancel feeOn-timeN/A

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