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$530+ 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 4/3. Fares are subject to change and may not be available on all flights or dates of travel.
CCU — ORD
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
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 February 20, 2025.

Round-trip from

$950
(Etihad Airways)

One-way from

$530
(American Airlines)

Popular in

August

Cheapest in

September

Average price

$1,158
From Kolkata Netaji S. Chandra to Illinois
Search Deals
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 ($160 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($69 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 20, 2025.

This Etihad Airways deal was found by Cheapflights users on 2/20. 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.
Tue 5/203:45 amCCU - ORD
1 stop39h 40mEtihad Airways
Wed 8/61:55 pmORD - CCU
1 stop27h 05mEtihad Airways
Deal found 2/20$950
This American Airlines deal was found by Cheapflights users on 2/20. 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.
Thu 3/203:20 amCCU - ORD
1 stop22h 40mMultiple Airlines
Sun 9/1411:30 amORD - CCU
2 stops30h 45mMultiple Airlines
Deal found 2/20$994
This FlightHub deal was found by Cheapflights users on 2/20. 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 5/223:50 amCCU - ORD
1 stop21h 45mQatar Airways
Wed 8/67:20 pmORD - CCU
1 stop20h 30mQatar Airways
Deal found 2/20$1,014
This American Airlines deal was found by Cheapflights users on 2/20. 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.
Fri 3/214:30 pmCCU - ORD
2 stops35h 33mAmerican Airlines
Sun 9/1411:30 amORD - CCU
2 stops30h 45mAmerican Airlines
Deal found 2/20$1,137
This KLM deal was found by Cheapflights users on 2/20. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/227:00 pmCCU - ORD
2 stops29h 40mKLM
Wed 8/64:50 pmORD - CCU
2 stops29h 55mKLM
Deal found 2/20$1,239
This Emirates deal was found by Cheapflights users on 2/20. 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.
Sun 5/258:45 pmCCU - ORD
1 stop29h 30mEmirates
Sun 8/108:35 pmORD - CCU
1 stop25h 05mEmirates
Deal found 2/20$1,259
This British Airways deal was found by Cheapflights users on 2/20. 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 9/17:05 pmCCU - ORD
2 stops33h 40mBritish Airways
Tue 9/238:40 pmORD - CCU
2 stops30h 35mBritish Airways
Deal found 2/20$1,505
This SWISS deal was found by Cheapflights users on 2/20. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/225:30 pmCCU - ORD
2 stops29h 10mSWISS
Thu 8/73:50 pmORD - CCU
3 stops29h 40mSWISS
Deal found 2/20$1,521
This KAYAK deal was found by Cheapflights users on 2/20. 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.
Sat 8/3010:30 pmCCU - ORD
2 stops45h 05mJapan Airlines
Sat 9/2012:10 pmORD - CCU
2 stops33h 00mJapan Airlines
Deal found 2/20$1,581
This Singapore Airlines deal was found by Cheapflights users on 2/20. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/111:30 pmCCU - ORD
3 stops53h 43mSingapore Airlines
Tue 9/235:50 pmORD - CCU
2 stops41h 55mSingapore Airlines
Deal found 2/20$1,660
This Turkish Airlines deal was found by Cheapflights users on 2/20. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/199:15 pmCCU - ORD
2 stops46h 55mTurkish Airlines
Fri 8/87:50 pmORD - CCU
2 stops28h 25mTurkish Airlines
Deal found 2/20$1,689
This LOT deal was found by Cheapflights users on 2/20. 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 LOT is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/219:20 pmCCU - ORD
2 stops32h 50mLOT
Sun 8/109:40 pmORD - CCU
2 stops23h 50mLOT
Deal found 2/20$1,691

Find flights from Kolkata to Illinois within your budget

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 February 20, 2025.

Fly from

Kolkata

Fly to

Illinois

Route

Depart

Return

Price

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Tue 5/20

3:45 am-8:55 am

1 stop39h 40m

Chicago O'Hare Intl

Wed 8/6

1:55 pm-3:30 am

1 stop27h 05m

$950

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Thu 3/20

3:20 am-3:30 pm

1 stop22h 40m

Chicago O'Hare Intl

Sun 9/14

11:30 am-4:45 am

2 stops30h 45m

$994

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Thu 5/22

3:50 am-3:05 pm

1 stop21h 45m

Chicago O'Hare Intl

Wed 8/6

7:20 pm-2:20 am

1 stop20h 30m

$1,014

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Fri 3/21

4:30 pm-5:33 pm

2 stops35h 33m

Chicago O'Hare Intl

Sun 9/14

11:30 am-4:45 am

2 stops30h 45m

$1,137

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Thu 5/22

7:00 pm-2:10 pm

2 stops29h 40m

Chicago O'Hare Intl

Wed 8/6

4:50 pm-9:15 am

2 stops29h 55m

$1,239

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Sun 5/25

8:45 pm-3:45 pm

1 stop29h 30m

Chicago O'Hare Intl

Sun 8/10

8:35 pm-8:10 am

1 stop25h 05m

$1,259

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Thu 5/22

5:30 pm-12:10 pm

2 stops29h 10m

Chicago O'Hare Intl

Thu 8/7

3:50 pm-8:00 am

3 stops29h 40m

$1,521

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Mon 5/19

9:15 pm-9:40 am

2 stops46h 55m

Chicago O'Hare Intl

Fri 8/8

7:50 pm-10:45 am

2 stops28h 25m

$1,689

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Wed 5/21

9:20 pm-7:40 pm

2 stops32h 50m

Chicago O'Hare Intl

Sun 8/10

9:40 pm-8:00 am

2 stops23h 50m

$1,691

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Thu 3/20

1:55 am-8:35 pm

2 stops29h 10m

Chicago O'Hare Intl

Sat 9/13

12:30 am-12:45 am

2 stops37h 45m

$1,830

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 26 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.

Travel insights for flights from Kolkata to Illinois

Get recent, data-driven insights about flights from Kolkata to Illinois including ideal travel times, pricing trends, and more.

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 February 20, 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 February 20, 2025.
To help decide which airline to fly from Kolkata to Illinois, see what other customers have to say about Japan Airlines, Emirates and KLM. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Japan Airlines
8.3
Very good
1,440 reviews

Entertainment

7.8

Boarding

8.4

Food

7.7

Comfort

8.2

Overall

8.3

Crew

8.7

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
1,440 reviews
Japan Airlines
8.3
Very good
1,440 reviews

Entertainment

7.8

Boarding

8.4

Food

7.7

Comfort

8.2

Overall

8.3

Crew

8.7

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
8.1
Very good
3,279 reviews
Japan Airlines
8.3
Very good
1,440 reviews

Entertainment

7.8

Boarding

8.4

Food

7.7

Comfort

8.2

Overall

8.3

Crew

8.7

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
1,440 reviews

Entertainment

7.8

Boarding

8.4

Food

7.7

Comfort

8.2

Overall

8.3

Crew

8.7

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
7.8
Good
318 reviews
Japan Airlines
8.3
Very good
1,440 reviews

Entertainment

7.8

Boarding

8.4

Food

7.7

Comfort

8.2

Overall

8.3

Crew

8.7

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.

LOT
7.6
Good
1,080 reviews
Japan Airlines
8.3
Very good
1,440 reviews

Entertainment

7.8

Boarding

8.4

Food

7.7

Comfort

8.2

Overall

8.3

Crew

8.7

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 American Airlines ($530), Etihad Airways ($534), and Qatar Airways ($546).

  • 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qatar AirwaysCheapest$894Average$1,251FlexibilityNo cancel feeOn-time68%
Etihad AirwaysCheapest$1,109Average$1,355FlexibilityNo cancel feeOn-time75%
Air IndiaCheapest$1,149Average$1,344FlexibilityNo cancel feeOn-timeN/A
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