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$486+ 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 7/10. Fares are subject to change and may not be available on all flights or dates of travel.
CCU — ORD
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$889
(oojo)

One-way from

$486
(EaseMyTrip)

Popular in

August

Cheapest in

April

Average price

$1,080
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. 9% potential increase in price ($152 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($65 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This oojo deal was found by Cheapflights users on 6/10. 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 9/72:25 amCCU - ORD
1 stop39h 30mAir India
Tue 9/3012:00 pmORD - CCU
1 stop19h 35mAir India
Deal found 6/10$889
This Etihad Airways deal was found by Cheapflights users on 6/10. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/34:00 amCCU - ORD
1 stop39h 15mEtihad Airways
Wed 10/11:55 pmORD - CCU
1 stop26h 35mEtihad Airways
Deal found 6/10$940
This Flightnetwork deal was found by Cheapflights users on 6/11. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/236:00 pmCCU - ORD
2 stops34h 25mMultiple Airlines
Fri 10/1012:00 pmORD - CCU
1 stop25h 00mMultiple Airlines
Deal found 6/11$990
This EaseMyTrip deal was found by Cheapflights users on 6/10. 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 9/910:15 pmCCU - ORD
2 stops30h 10mIndiGo
Tue 9/3011:25 amORD - CCU
2 stops36h 50mIndiGo
Deal found 6/10$1,062
This oojo deal was found by Cheapflights users on 6/10. 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.
Fri 8/293:50 amCCU - ORD
1 stop21h 45mQatar Airways
Sat 9/207:20 pmORD - CCU
1 stop20h 30mQatar Airways
Deal found 6/10$1,138
This American Airlines deal was found by Cheapflights users on 6/10. 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 9/86:00 pmCCU - ORD
2 stops29h 11mAmerican Airlines
Tue 9/301:59 pmORD - CCU
2 stops28h 16mAmerican Airlines
Deal found 6/10$1,186
This EaseMyTrip deal was found by Cheapflights users on 6/11. 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 EaseMyTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/237:05 pmCCU - ORD
3 stops33h 10mKLM
Fri 10/104:20 pmORD - CCU
2 stops30h 15mKLM
Deal found 6/11$1,279
This Emirates deal was found by Cheapflights users on 6/10. 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.
Thu 9/49:45 amCCU - ORD
1 stop40h 30mEmirates
Tue 9/308:35 pmORD - CCU
1 stop25h 05mEmirates
Deal found 6/10$1,302
This KAYAK deal was found by Cheapflights users on 6/10. 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.
Mon 7/1410:30 pmCCU - ORD
2 stops45h 15mJapan Airlines
Wed 12/1010:20 amORD - CCU
2 stops49h 30mJapan Airlines
Deal found 6/10$1,324
This British Airways deal was found by Cheapflights users on 6/10. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/77:30 pmCCU - ORD
2 stops29h 40mBritish Airways
Tue 12/305:00 pmORD - CCU
2 stops36h 40mBritish Airways
Deal found 6/10$1,338
This FlightHub deal was found by Cheapflights users on 6/11. 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.
Fri 7/1810:30 pmCCU - ORD
2 stops45h 40mTurkish Airlines
Sat 11/158:20 pmORD - CCU
2 stops27h 15mTurkish Airlines
Deal found 6/11$1,372

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 June 12, 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

Sun 9/7

2:25 am-7:25 am

1 stop39h 30m

Chicago O'Hare Intl

Tue 9/30

12:00 pm-6:05 pm

1 stop19h 35m

$889

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Wed 9/3

4:00 am-8:45 am

1 stop39h 15m

Chicago O'Hare Intl

Wed 10/1

1:55 pm-3:00 am

1 stop26h 35m

$940

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Tue 9/23

6:00 pm-5:55 pm

2 stops34h 25m

Chicago O'Hare Intl

Fri 10/10

12:00 pm-11:30 pm

1 stop25h 00m

$990

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Tue 9/9

10:15 pm-5:55 pm

2 stops30h 10m

Chicago O'Hare Intl

Tue 9/30

11:25 am-10:45 am

2 stops36h 50m

$1,062

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Fri 8/29

3:50 am-3:05 pm

1 stop21h 45m

Chicago O'Hare Intl

Sat 9/20

7:20 pm-2:20 am

1 stop20h 30m

$1,138

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Mon 9/8

6:00 pm-12:41 pm

2 stops29h 11m

Chicago O'Hare Intl

Tue 9/30

1:59 pm-4:45 am

2 stops28h 16m

$1,186

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Tue 9/23

7:05 pm-5:45 pm

3 stops33h 10m

Chicago O'Hare Intl

Fri 10/10

4:20 pm-9:05 am

2 stops30h 15m

$1,279

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Thu 9/4

9:45 am-3:45 pm

1 stop40h 30m

Chicago O'Hare Intl

Mon 9/29

8:35 pm-7:15 pm

1 stop36h 10m

$1,302

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Mon 7/14

10:30 pm-9:15 am

2 stops45h 15m

Chicago O'Hare Intl

Wed 12/10

10:20 am-11:20 pm

2 stops49h 30m

$1,324

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Mon 7/7

7:30 pm-2:40 pm

2 stops29h 40m

Chicago O'Hare Intl

Tue 12/30

5:00 pm-5:10 pm

2 stops36h 40m

$1,338

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 24 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 June 12, 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 June 12, 2025.
To help decide which airline to fly from Kolkata to Illinois, see what other customers have to say about Japan Airlines, Emirates and Singapore Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Japan Airlines
8.3
Very good
1,489 reviews

Entertainment

7.8

Crew

8.7

Overall

8.3

Comfort

8.2

Boarding

8.4

Food

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,May 2025

DEL - HND

1. No information on business class lounge access in Delhi airport. 2. Special meals ordered confirmed in JAL website but not in confirmation email. So meal Was not served on the flight.
Japan Airlines
8.3
Very good
1,489 reviews
Japan Airlines
8.3
Very good
1,489 reviews

Entertainment

7.8

Crew

8.7

Overall

8.3

Comfort

8.2

Boarding

8.4

Food

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,May 2025

DEL - HND

1. No information on business class lounge access in Delhi airport. 2. Special meals ordered confirmed in JAL website but not in confirmation email. So meal Was not served on the flight.
Emirates
8.1
Very good
3,264 reviews
Japan Airlines
8.3
Very good
1,489 reviews

Entertainment

7.8

Crew

8.7

Overall

8.3

Comfort

8.2

Boarding

8.4

Food

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,May 2025

DEL - HND

1. No information on business class lounge access in Delhi airport. 2. Special meals ordered confirmed in JAL website but not in confirmation email. So meal Was not served on the flight.
Singapore Airlines
8.1
Very good
1,302 reviews
Japan Airlines
8.3
Very good
1,489 reviews

Entertainment

7.8

Crew

8.7

Overall

8.3

Comfort

8.2

Boarding

8.4

Food

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,May 2025

DEL - HND

1. No information on business class lounge access in Delhi airport. 2. Special meals ordered confirmed in JAL website but not in confirmation email. So meal Was not served on the flight.
KLM
7.8
Good
1,358 reviews
Japan Airlines
8.3
Very good
1,489 reviews

Entertainment

7.8

Crew

8.7

Overall

8.3

Comfort

8.2

Boarding

8.4

Food

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,May 2025

DEL - HND

1. No information on business class lounge access in Delhi airport. 2. Special meals ordered confirmed in JAL website but not in confirmation email. So meal Was not served on the flight.
LOT
7.6
Good
1,077 reviews
Japan Airlines
8.3
Very good
1,489 reviews

Entertainment

7.8

Crew

8.7

Overall

8.3

Comfort

8.2

Boarding

8.4

Food

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,May 2025

DEL - HND

1. No information on business class lounge access in Delhi airport. 2. Special meals ordered confirmed in JAL website but not in confirmation email. So meal Was not served on the flight.

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 ($486), American Airlines ($488), and Air India ($507).

  • 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qatar AirwaysCheapest$894Average$1,222FlexibilityNo cancel feeOn-time68%
Air IndiaCheapest$939Average$1,332FlexibilityNo cancel feeOn-timeN/A
Etihad AirwaysCheapest$988Average$1,261FlexibilityNo cancel feeOn-time75%

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