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$302+ 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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CCU
Apr 8 — Apr 151
Tue 4/8
Tue 4/15
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 April 3, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$902
(Gotogate)

One-way from

$302
(Ovago)

Popular in

December

Cheapest in

September

Average price

$861
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. 12% potential increase in price ($165 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($67 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 3, 2025.

This Indian Eagle deal was found by Cheapflights users on 4/2. 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.
Wed 9/2412:00 pmORD - CCU
1 stop40h 35mAir India
Wed 10/89:20 pmCCU - ORD
1 stop20h 35mAir India
Deal found 4/2$825
This Gotogate deal was found by Cheapflights users on 4/1. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2412:00 pmORD - CCU
1 stop21h 15mMultiple Airlines
Sun 10/1210:30 pmCCU - ORD
2 stops34h 00mMultiple Airlines
Deal found 4/1$869
This oojo deal was found by Cheapflights users on 4/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/201:55 pmORD - CCU
1 stop26h 25mEtihad Airways
Tue 9/93:45 amCCU - ORD
1 stop39h 30mEtihad Airways
Deal found 4/1$876
This Indian Eagle deal was found by Cheapflights users on 4/1. 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 Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/297:55 pmORD - CCU
1 stop19h 20mQatar Airways
Mon 11/243:20 amCCU - ORD
1 stop22h 40mQatar Airways
Deal found 4/1$897
This American Airlines deal was found by Cheapflights users on 4/1. 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.
Wed 8/204:56 pmORD - CCU
2 stops25h 19mAmerican Airlines
Wed 9/104:20 pmCCU - ORD
2 stops27h 23mAmerican Airlines
Deal found 4/1$955
This Emirates deal was found by Cheapflights users on 4/1. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/298:45 pmORD - CCU
1 stop35h 35mEmirates
Thu 11/279:10 amCCU - ORD
1 stop41h 15mEmirates
Deal found 4/1$968
This Booking.com deal was found by Cheapflights users on 4/1. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2011:45 pmORD - CCU
2 stops27h 30mIndiGo
Tue 9/92:00 amCCU - ORD
2 stops30h 30mIndiGo
Deal found 4/1$1,008
This FlightHub deal was found by Cheapflights users on 4/3. 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 10/107:50 pmORD - CCU
2 stops28h 25mTurkish Airlines
Mon 10/278:50 pmCCU - ORD
2 stops33h 05mTurkish Airlines
Deal found 4/3$1,109
This Justfly.com deal was found by Cheapflights users on 4/2. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/179:00 pmORD - CCU
2 stops38h 45mSingapore Airlines
Mon 11/1011:40 pmCCU - ORD
2 stops28h 00mSingapore Airlines
Deal found 4/2$1,150
This SWISS deal was found by Cheapflights users on 4/2. 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 5/159:20 pmORD - CCU
3 stops48h 40mSWISS
Thu 5/225:30 pmCCU - ORD
2 stops29h 10mSWISS
Deal found 4/2$1,185
This StudentUniverse deal was found by Cheapflights users on 4/2. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/256:00 pmORD - CCU
2 stops28h 30mLufthansa
Tue 8/59:20 pmCCU - ORD
3 stops26h 55mLufthansa
Deal found 4/2$1,214
This Travelocity deal was found by Cheapflights users on 4/1. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/167:30 amSTL - CCU
2 stops34h 15mMultiple Airlines
Sat 6/76:45 pmCCU - STL
2 stops28h 21mMultiple Airlines
Deal found 4/1$1,665

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 April 3, 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

Thu 5/15

12:00 pm-11:30 pm

1 stop25h 00m

Kolkata Netaji S. Chandra

Thu 5/22

10:15 pm-5:55 pm

2 stops30h 10m

$902

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Thu 4/17

12:00 pm-9:45 am

1 stop35h 15m

Kolkata Netaji S. Chandra

Wed 4/30

12:55 am-7:25 am

1 stop41h 00m

$999

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Thu 5/1

11:25 am-10:45 am

2 stops36h 50m

Kolkata Netaji S. Chandra

Thu 5/8

10:15 pm-5:55 pm

2 stops30h 10m

$1,119

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Thu 5/15

9:20 pm-8:30 am

3 stops48h 40m

Kolkata Netaji S. Chandra

Thu 5/22

5:30 pm-12:10 pm

2 stops29h 10m

$1,185

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Sat 5/17

1:55 pm-8:20 pm

1 stop19h 55m

Kolkata Netaji S. Chandra

Fri 5/23

3:45 am-8:45 am

1 stop39h 30m

$1,410

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Mon 6/30

6:25 pm-9:00 am

2 stops28h 05m

Kolkata Netaji S. Chandra

Wed 7/30

9:20 pm-6:15 pm

2 stops31h 25m

$1,610

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Sat 6/21

7:20 pm-2:20 am

1 stop20h 30m

Kolkata Netaji S. Chandra

Thu 7/31

3:50 am-10:20 am

2 stops41h 00m

$1,652

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Fri 5/16

7:30 am-4:15 am

2 stops34h 15m

Kolkata Netaji S. Chandra

Sat 6/7

6:45 pm-12:36 pm

2 stops28h 21m

$1,665

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Thu 6/12

7:50 pm-3:35 pm

2 stops33h 15m

Kolkata Netaji S. Chandra

Sat 6/28

7:05 pm-9:40 am

2 stops49h 05m

$1,719

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Thu 5/22

5:00 pm-1:45 pm

2 stops34h 15m

Kolkata Netaji S. Chandra

Wed 6/11

2:00 am-2:00 pm

3 stops46h 30m

$1,738

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/2

Showing 1-10 of 20 results
1
2

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 $989). 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 April 3, 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 April 3, 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
1,440 reviews

Boarding

8.4

Entertainment

7.8

Food

7.7

Crew

8.7

Comfort

8.2

Overall

8.3

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

Boarding

8.4

Entertainment

7.8

Food

7.7

Crew

8.7

Comfort

8.2

Overall

8.3

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
1,288 reviews
Japan Airlines
8.3
Very good
1,440 reviews

Boarding

8.4

Entertainment

7.8

Food

7.7

Crew

8.7

Comfort

8.2

Overall

8.3

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
3,193 reviews
Japan Airlines
8.3
Very good
1,440 reviews

Boarding

8.4

Entertainment

7.8

Food

7.7

Crew

8.7

Comfort

8.2

Overall

8.3

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
1,065 reviews
Japan Airlines
8.3
Very good
1,440 reviews

Boarding

8.4

Entertainment

7.8

Food

7.7

Crew

8.7

Comfort

8.2

Overall

8.3

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
1,574 reviews
Japan Airlines
8.3
Very good
1,440 reviews

Boarding

8.4

Entertainment

7.8

Food

7.7

Crew

8.7

Comfort

8.2

Overall

8.3

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 $302. However, be on the lookout for offers from IndiGo and Japan 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 $989). 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 April 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$762Average$1,022FlexibilityNo cancel feeOn-time79%
Etihad AirwaysCheapest$791Average$1,042FlexibilityNo cancel feeOn-time75%
Air IndiaCheapest$794Average$1,096FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$813Average$1,096FlexibilityNo cancel feeOn-time76%
EmiratesCheapest$823Average$1,097FlexibilityNo cancel feeOn-time75%
Qatar AirwaysCheapest$864Average$1,097FlexibilityNo cancel feeOn-time68%
IndiGoCheapest$959Average$1,584FlexibilityNo cancel feeOn-time80%

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