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$489+ 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 10/29. Fares are subject to change and may not be available on all flights or dates of travel.
CCU — ORD
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
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 September 17, 2025.

Round-trip from

$882
(FlightHub)

One-way from

$489
(EaseMyTrip)

Popular in

March

Cheapest in

April

Average price

$1,067
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. 1% potential increase in price ($21 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($48 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 17, 2025.

This FlightHub deal was found by Cheapflights users on 9/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/307:55 amCCU - ORD
1 stop35h 55mAir India
Wed 2/111:30 pmORD - CCU
1 stop38h 05mAir India
Deal found 9/14$882
This oojo deal was found by Cheapflights users on 9/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/305:30 pmCCU - ORD
2 stops29h 20mAir India
Thu 2/127:00 amORD - CCU
2 stops27h 05mAir India
Deal found 9/14$900
This Etihad Airways deal was found by Cheapflights users on 9/16. 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 9/249:30 pmCCU - ORD
1 stop21h 45mEtihad Airways
Wed 10/81:55 pmORD - CCU
1 stop26h 35mEtihad Airways
Deal found 9/16$959
This FlightHub deal was found by Cheapflights users on 9/14. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/309:20 pmCCU - ORD
1 stop22h 30mAir India
Fri 2/131:30 pmORD - CCU
1 stop22h 30mAir India
Deal found 9/14$963
This Etihad Airways deal was found by Cheapflights users on 9/15. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/219:30 pmCCU - ORD
1 stop21h 45mEtihad Airways
Thu 10/91:55 pmORD - CCU
1 stop26h 35mEtihad Airways
Deal found 9/15$993
This FlightHub deal was found by Cheapflights users on 9/17. 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.
Wed 11/2612:55 amCCU - ORD
2 stops46h 05mAir India
Wed 2/181:30 pmORD - CCU
1 stop27h 15mAir India
Deal found 9/17$1,001
This Booking.com deal was found by Cheapflights users on 9/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2212:55 amCCU - ORD
1 stop42h 55mMultiple Airlines
Wed 10/811:45 pmORD - CCU
2 stops24h 30mMultiple Airlines
Deal found 9/15$1,003
This Air France deal was found by Cheapflights users on 9/15. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/307:05 pmCCU - ORD
2 stops30h 25mAir France
Sat 3/146:20 pmORD - CCU
2 stops27h 00mAir France
Deal found 9/15$1,010

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 September 17, 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

Wed 10/15

9:30 pm-8:45 am

1 stop21h 45m

Chicago O'Hare Intl

Wed 2/11

1:10 pm-2:40 am

1 stop26h 00m

$959

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Wed 11/26

12:55 am-11:30 am

2 stops46h 05m

Chicago O'Hare Intl

Wed 2/18

1:30 pm-4:15 am

1 stop27h 15m

$1,001

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Wed 10/15

5:30 pm-12:23 pm

2 stops29h 23m

Chicago O'Hare Intl

Wed 2/11

1:30 pm-4:15 am

1 stop27h 15m

$1,004

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Thu 11/27

9:15 am-2:55 pm

1 stop41h 10m

Chicago O'Hare Intl

Wed 2/18

7:45 pm-7:40 am

1 stop24h 25m

$1,088

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Tue 10/14

3:50 am-2:50 pm

1 stop21h 30m

Chicago O'Hare Intl

Wed 2/11

6:50 pm-1:55 am

1 stop19h 35m

$1,104

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Wed 11/26

3:25 am-2:30 pm

1 stop22h 35m

Chicago O'Hare Intl

Wed 2/18

6:50 pm-1:55 am

1 stop19h 35m

$1,105

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Fri 11/7

8:25 pm-2:55 pm

1 stop30h 00m

Chicago O'Hare Intl

Thu 2/26

7:45 pm-7:40 am

1 stop24h 25m

$1,109

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Fri 10/3

8:45 pm-3:45 pm

1 stop29h 30m

Chicago O'Hare Intl

Fri 2/13

7:45 pm-7:40 am

1 stop24h 25m

$1,230

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Tue 9/30

9:40 pm-3:45 pm

2 stops28h 35m

Chicago O'Hare Intl

Sat 3/14

8:45 pm-7:40 am

1 stop24h 25m

$1,256

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Thu 10/30

4:40 pm-12:30 pm

3 stops30h 20m

$509

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 17 results
1
2

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 September 17, 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.

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 September 17, 2025.
Read through reviews of airlines operating flights from Kolkata to Illinois, such as Qatar Airways, Etihad Airways, and Air India. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Qatar Airways
7.4
Good
3,622 reviews

Entertainment

7.4

Overall

7.4

Boarding

7.5

Comfort

7.4

Crew

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

preeti,Jan 2025

DOH - PHL

Can improve a lot from food to crew training to entertainment etc.
Qatar Airways
7.4
Good
3,622 reviews
Qatar Airways
7.4
Good
3,622 reviews

Entertainment

7.4

Overall

7.4

Boarding

7.5

Comfort

7.4

Crew

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

preeti,Jan 2025

DOH - PHL

Can improve a lot from food to crew training to entertainment etc.
Etihad Airways
7.4
Good
1,251 reviews
Qatar Airways
7.4
Good
3,622 reviews

Entertainment

7.4

Overall

7.4

Boarding

7.5

Comfort

7.4

Crew

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

preeti,Jan 2025

DOH - PHL

Can improve a lot from food to crew training to entertainment etc.
Air India
5.5
Fair
2,932 reviews
Qatar Airways
7.4
Good
3,622 reviews

Entertainment

7.4

Overall

7.4

Boarding

7.5

Comfort

7.4

Crew

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

preeti,Jan 2025

DOH - PHL

Can improve a lot from food to crew training to entertainment etc.

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.

  • How long is the flight from Kolkata to Illinois?

    Airlines like Etihad Airways, Air India, and Emirates fly from Kolkata to Illinois in about 21h 45m. The time it takes to get you to your destination can typically vary by up to 24h 20m. The distance from Kolkata to Illinois is about 7959 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 Air India ($509), Etihad Airways ($531), and KLM ($572).

  • 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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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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air IndiaCheapest$900Average$1,325FlexibilityNo cancel feeOn-timeN/A
Qatar AirwaysCheapest$907Average$1,266FlexibilityNo cancel feeOn-time68%
Etihad AirwaysCheapest$976Average$1,248FlexibilityNo cancel feeOn-time75%

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