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$379+ Cheap flights from Illinois to Kolkata (CCU)

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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CCU
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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Cheap flight deals from Illinois to Kolkata

Keep the following information in mind while searching for Illinois to Kolkata flight deals. Data was last updated May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$730
(Indian Eagle)

One-way from

$379
(oojo)

Popular in

December

Cheapest in

March

Average price

$1,155
Provider with most accurate pricing for Chicago (CHI)-Kolkata Netaji S. Chandra flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Kolkata Netaji S. Chandra flights.
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From Illinois to Kolkata Netaji S. Chandra
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One-way flight from Illinois to Kolkata Netaji S. Chandra
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Highest demand for flights based on searches. 13% potential increase in price ($183 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($71 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Find flight deals from Illinois to Kolkata

Cheapest flights from Illinois to Kolkata
Explore the most affordable flight options available from Illinois to Kolkata. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 1, 2025.

This Indian Eagle deal was found by Cheapflights users on 4/30. 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 Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2312:00 pmORD - CCU
1 stop25h 40mAir India
Mon 10/1312:55 amCCU - ORD
1 stop41h 00mAir India
Deal found 4/30$730
This American Airlines deal was found by Cheapflights users on 4/30. 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 9/14:54 pmORD - CCU
2 stops25h 21mMultiple Airlines
Sat 9/133:50 amCCU - ORD
1 stop21h 45mMultiple Airlines
Deal found 4/30$940
This Booking.com deal was found by Cheapflights users on 4/30. 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.
Wed 9/1011:45 pmORD - CCU
2 stops31h 35mIndiGo
Thu 10/910:30 pmCCU - ORD
2 stops29h 55mIndiGo
Deal found 4/30$949
This deal was found by Cheapflights users on 4/30. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/237:20 pmORD - CCU
1 stop20h 30mQatar Airways
Mon 10/133:50 amCCU - ORD
1 stop21h 45mQatar Airways
Deal found 4/30$981
This American Airlines deal was found by Cheapflights users on 5/1. 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.
Tue 9/234:56 pmORD - CCU
2 stops25h 19mAmerican Airlines
Tue 10/146:00 pmCCU - ORD
2 stops25h 43mAmerican Airlines
Deal found 5/1$1,001
This Indian Eagle deal was found by Cheapflights users on 4/30. 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 Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/12:20 pmORD - CCU
2 stops32h 10mSWISS
Fri 9/195:30 pmCCU - ORD
2 stops29h 10mSWISS
Deal found 4/30$1,051

Cheapflights Fare Finder

Customize your flight search to find flights from Illinois to Kolkata 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 May 1, 2025.
Use the filters below to find and compare flights from Illinois to Kolkata that are best for you.

Fly from

Illinois

Fly to

Kolkata

Route

Depart

Return

Price

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Tue 9/23

12:00 pm-9:45 am

1 stop35h 15m

Kolkata Netaji S. Chandra

Tue 10/14

9:55 am-7:25 am

1 stop32h 00m

$730

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Mon 9/1

4:54 pm-4:45 am

2 stops25h 21m

Kolkata Netaji S. Chandra

Sat 9/13

3:50 am-3:05 pm

1 stop21h 45m

$940

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Wed 9/10

11:45 pm-5:50 pm

2 stops31h 35m

Kolkata Netaji S. Chandra

Thu 10/9

10:30 pm-5:55 pm

2 stops29h 55m

$949

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Tue 8/12

4:54 pm-4:45 am

2 stops25h 21m

Kolkata Netaji S. Chandra

Thu 9/11

6:00 pm-4:14 pm

2 stops32h 44m

$951

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Tue 9/23

7:20 pm-2:20 am

1 stop20h 30m

Kolkata Netaji S. Chandra

Mon 10/13

3:50 am-3:05 pm

1 stop21h 45m

$981

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Fri 8/1

2:20 pm-9:00 am

2 stops32h 10m

Kolkata Netaji S. Chandra

Fri 9/19

5:30 pm-12:10 pm

2 stops29h 10m

$1,051

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Fri 10/10

9:00 pm-10:15 pm

2 stops38h 45m

Kolkata Netaji S. Chandra

Mon 10/27

11:40 pm-5:50 pm

2 stops28h 40m

$1,156

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Sun 7/13

1:55 pm-8:35 pm

1 stop20h 10m

Kolkata Netaji S. Chandra

Wed 8/13

4:00 am-8:45 am

1 stop39h 15m

$1,252

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Wed 5/7

12:00 pm-7:45 pm

1 stop21h 15m

$379

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Mon 9/8

7:50 pm-6:45 pm

2 stops36h 25m

$437

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 21 results
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Best time to book a flight from Illinois to Kolkata

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

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

Currently, September is the cheapest month in which you can book a flight from Illinois to Kolkata (average of $978). Flying from Illinois to Kolkata in December is currently the most expensive (average of $1,647). 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 IL to CCU?

Find hourly flight availability from Illinois to Kolkata. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 1, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Kolkata as you normally would.

Rainfall in Kolkata by month

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

In terms of precipitation, rainfall in Kolkata ranges from 0.3 - 14.0 inches per month. August is typically the wettest month, when rainfall can reach 14.0 in. December is typically the driest time to visit Kolkata when rainfall is around 0.3 in.

Temperature in Kolkata by month

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

If weather is an important factor for your trip to Kolkata, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 87.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 68.0 F).

Reviews of airlines servicing Kolkata

Get insights into the airlines that provide service to Kolkata. 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 Kolkata. Reviews last updated May 1, 2025.
See what other customers who have flown with Japan Airlines, Singapore Airlines and Emirates from Illinois to Kolkata have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Japan Airlines
8.3
Very good
1,464 reviews

Overall

8.3

Crew

8.7

Comfort

8.2

Food

7.7

Entertainment

7.8

Boarding

8.4

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
1,464 reviews
Japan Airlines
8.3
Very good
1,464 reviews

Overall

8.3

Crew

8.7

Comfort

8.2

Food

7.7

Entertainment

7.8

Boarding

8.4

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
1,292 reviews
Japan Airlines
8.3
Very good
1,464 reviews

Overall

8.3

Crew

8.7

Comfort

8.2

Food

7.7

Entertainment

7.8

Boarding

8.4

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
3,217 reviews
Japan Airlines
8.3
Very good
1,464 reviews

Overall

8.3

Crew

8.7

Comfort

8.2

Food

7.7

Entertainment

7.8

Boarding

8.4

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
1,334 reviews
Japan Airlines
8.3
Very good
1,464 reviews

Overall

8.3

Crew

8.7

Comfort

8.2

Food

7.7

Entertainment

7.8

Boarding

8.4

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.
SWISS
7.5
Good
1,588 reviews
Japan Airlines
8.3
Very good
1,464 reviews

Overall

8.3

Crew

8.7

Comfort

8.2

Food

7.7

Entertainment

7.8

Boarding

8.4

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 Illinois to Kolkata. 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 into for flights to Kolkata from Illinois?

    For a flight from Illinois to Kolkata, you will be flying into Netaji S. Chandra. Kolkata Netaji S. Chandra (CCU) is just 8.3 mi from the center of the city.

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

    The cheapest airline one-way is Air India, with whom users have recently found tickets for as low as $379. However, be on the lookout for offers from IndiGo and American Airlines, as they are both options that can get you from Illinois to Kolkata for a low price.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Illinois to Kolkata (average of $978). Flying from Illinois to Kolkata in December is currently the most expensive (average of $1,647). 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 Illinois to Kolkata

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Illinois to Kolkata

Discover the top 7 airlines that operate flights from Illinois to Kolkata. 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$762Average$1,022FlexibilityNo cancel feeOn-time79%
Air IndiaCheapest$777Average$1,052FlexibilityNo cancel feeOn-timeN/A
Etihad AirwaysCheapest$792Average$1,038FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$813Average$1,160FlexibilityNo cancel feeOn-time76%
EmiratesCheapest$823Average$1,008FlexibilityNo cancel feeOn-time75%
Qatar AirwaysCheapest$862Average$1,154FlexibilityNo cancel feeOn-time68%
IndiGoCheapest$959Average$1,584FlexibilityNo cancel feeOn-time80%

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