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$504+ 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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
CCU — ORD
Jan 29 — Feb 51
Thu 1/29
Thu 2/5
1 adult, Economy
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Cheap flight deals from Kolkata to Illinois

Best flights from Kolkata to Illinois
Discover carefully curated flight deals from Kolkata to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 30, 2025.

This KLM deal was found by Cheapflights users on 12/27. 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.
Tue 2/178:15 pmCCU - ORD
2 stops29h 35mMultiple Airlines
Wed 4/85:10 pmORD - CCU
2 stops25h 50mMultiple Airlines
Deal found 12/27$797
This oojo deal was found by Cheapflights users on 12/27. 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.
Mon 2/163:35 amCCU - ORD
1 stop39h 30mEtihad Airways
Wed 4/82:00 pmORD - CCU
1 stop26h 20mEtihad Airways
Deal found 12/27$967
This CheapOair deal was found by Cheapflights users on 12/27. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/233:55 pmCCU - ORD
2 stops29h 45mAir India
Mon 9/71:10 pmORD - CCU
1 stop34h 05mAir India
Deal found 12/27$983
This Emirates deal was found by Cheapflights users on 12/28. 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.
Tue 5/59:50 amCCU - ORD
1 stop40h 25mEmirates
Thu 6/188:35 pmORD - CCU
1 stop25h 05mEmirates
Deal found 12/28$1,158
This oojo deal was found by Cheapflights users on 12/28. 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.
Wed 2/118:55 pmCCU - ORD
1 stop22h 10mEtihad Airways
Wed 2/181:10 pmORD - CCU
1 stop26h 00mEtihad Airways
Deal found 12/28$967
This American Airlines deal was found by Cheapflights users on 12/28. 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 5/43:50 amCCU - ORD
1 stop21h 30mMultiple Airlines
Tue 9/151:59 pmORD - CCU
2 stops28h 16mMultiple Airlines
Deal found 12/28$1,038
This Etihad Airways deal was found by Cheapflights users on 12/29. 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.
Mon 2/163:35 amCCU - ORD
1 stop39h 30mEtihad Airways
Sat 2/211:10 pmORD - CCU
1 stop19h 20mEtihad Airways
Deal found 12/29$999
This Etihad Airways deal was found by Cheapflights users on 12/27. 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 2/48:55 pmCCU - ORD
1 stop22h 10mEtihad Airways
Sun 2/81:10 pmORD - CCU
1 stop26h 00mEtihad Airways
Deal found 12/27$1,000

Find flight deals from Kolkata to Illinois

Keep the following information in mind while searching for Kolkata to Illinois flight deals. Data was last updated December 30, 2025.

Round-trip from

$797
(KLM)

One-way from

$504
(Kiwi.com)

Popular in

February

Cheapest in

December

Average price

$1,001
From Kolkata Netaji S. Chandra to Illinois
Search Deals
One-way flight from Kolkata Netaji S. Chandra to Illinois
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($396 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($98 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 30, 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

Tue 2/17

8:15 pm-2:20 pm

2 stops29h 35m

Chicago O'Hare Intl

Wed 4/8

5:10 pm-5:30 am

2 stops25h 50m

$797

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Mon 2/16

3:35 am-7:35 am

1 stop39h 30m

Chicago O'Hare Intl

Wed 4/8

2:00 pm-2:50 am

1 stop26h 20m

$967

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Wed 2/11

8:55 pm-7:35 am

1 stop22h 10m

Chicago O'Hare Intl

Wed 2/18

1:10 pm-2:40 am

1 stop26h 00m

$967

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Thu 4/23

3:55 pm-11:10 am

2 stops29h 45m

Chicago O'Hare Intl

Mon 9/7

1:10 pm-9:45 am

1 stop34h 05m

$983

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Mon 2/16

3:35 am-7:35 am

1 stop39h 30m

Chicago O'Hare Intl

Sat 2/21

1:10 pm-8:00 pm

1 stop19h 20m

$999

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Wed 2/4

8:55 pm-7:35 am

1 stop22h 10m

Chicago O'Hare Intl

Sun 2/8

1:10 pm-2:40 am

1 stop26h 00m

$1,000

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Mon 5/4

3:50 am-2:50 pm

1 stop21h 30m

Chicago O'Hare Intl

Tue 9/15

1:59 pm-4:45 am

2 stops28h 16m

$1,038

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Tue 5/5

9:50 am-3:45 pm

1 stop40h 25m

Chicago O'Hare Intl

Thu 6/18

8:35 pm-8:10 am

1 stop25h 05m

$1,158

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Thu 3/5

8:45 am-7:35 am

2 stops34h 20m

$504

KolkataChicago

CCU - ORD

CCUORD

Kolkata Netaji S. Chandra

Sun 2/15

6:50 pm-7:35 am

2 stops48h 15m

$511

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/29

Showing 1-10 of 14 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, December is the cheapest month in which you can book a flight from Kolkata to Illinois (average of $800). Flying from Kolkata to Illinois in March is currently the most expensive (average of $1,175). 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.

How much does it cost to fly round-trip from Kolkata to Illinois?

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 December 30, 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
3,699 reviews

Comfort

7.4

Entertainment

7.4

Crew

7.9

Boarding

7.5

Food

7.3

Overall

7.4

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
3,699 reviews
Qatar Airways
7.4
Good
3,699 reviews

Comfort

7.4

Entertainment

7.4

Crew

7.9

Boarding

7.5

Food

7.3

Overall

7.4

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
1,345 reviews
Qatar Airways
7.4
Good
3,699 reviews

Comfort

7.4

Entertainment

7.4

Crew

7.9

Boarding

7.5

Food

7.3

Overall

7.4

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
2,963 reviews
Qatar Airways
7.4
Good
3,699 reviews

Comfort

7.4

Entertainment

7.4

Crew

7.9

Boarding

7.5

Food

7.3

Overall

7.4

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 France, and Air India fly from Kolkata to Illinois in about 25h. The time it takes to get you to your destination can typically vary by up to 14h 30m. 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 IndiGo ($488), Etihad Airways ($504), and Qatar Airways ($515).

  • 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, December is the cheapest month in which you can book a flight from Kolkata to Illinois (average of $800). Flying from Kolkata to Illinois in March is currently the most expensive (average of $1,175). 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 December 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Etihad AirwaysCheapest$902Average$1,216FlexibilityNo cancel feeOn-time75%
Air IndiaCheapest$943Average$1,325FlexibilityNo cancel feeOn-timeN/A
Qatar AirwaysCheapest$999Average$1,288FlexibilityNo cancel feeOn-time68%

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