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$366+ 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 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CCU
Jan 27 — Feb 31
Tue 1/27
Tue 2/3
1 adult, Economy
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Cheap 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 December 28, 2025.

This Indian Eagle deal was found by Cheapflights users on 12/25. 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.
Mon 12/291:30 pmORD - CCU
1 stop20h 15mAir India
Tue 1/2710:30 amCCU - ORD
2 stops36h 30mAir India
Deal found 12/25$1,039
This Indian Eagle deal was found by Cheapflights users on 12/25. 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.
Mon 12/291:30 pmORD - CCU
1 stop22h 15mAir India
Thu 1/297:05 pmCCU - ORD
2 stops27h 55mAir India
Deal found 12/25$1,046
This Indian Eagle deal was found by Cheapflights users on 12/25. 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 12/311:30 pmORD - CCU
1 stop20h 15mAir India
Sat 1/3110:00 pmCCU - ORD
2 stops25h 00mAir India
Deal found 12/25$1,055
This Indian Eagle deal was found by Cheapflights users on 12/25. 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.
Sun 12/281:30 pmORD - CCU
1 stop27h 15mAir India
Tue 1/273:55 pmCCU - ORD
2 stops31h 05mAir India
Deal found 12/25$1,057
This Indian Eagle deal was found by Cheapflights users on 12/25. 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.
Sun 12/281:30 pmORD - CCU
1 stop27h 15mAir India
Thu 1/299:00 pmCCU - ORD
2 stops26h 00mAir India
Deal found 12/25$1,064
This Indian Eagle deal was found by Cheapflights users on 12/25. 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.
Mon 12/291:30 pmORD - CCU
1 stop32h 45mAir India
Wed 1/286:00 amCCU - ORD
3 stops65h 00mAir India
Deal found 12/25$1,068
This Kiwi.com deal was found by Cheapflights users on 12/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/291:30 pmORD - CCU
1 stop27h 40mMultiple Airlines
Sun 1/259:00 pmCCU - ORD
2 stops26h 00mMultiple Airlines
Deal found 12/25$1,113
This Indian Eagle deal was found by Cheapflights users on 12/25. 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 12/307:45 pmORD - CCU
1 stop24h 25mEmirates
Wed 1/281:25 amCCU - ORD
1 stop25h 00mEmirates
Deal found 12/25$1,117
This Emirates deal was found by Cheapflights users on 12/25. 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 12/307:45 pmORD - CCU
1 stop24h 25mEmirates
Tue 1/279:15 amCCU - ORD
1 stop41h 10mEmirates
Deal found 12/25$1,129
This Emirates deal was found by Cheapflights users on 12/25. 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 12/307:45 pmORD - CCU
1 stop24h 25mEmirates
Fri 1/301:25 amCCU - ORD
1 stop25h 00mEmirates
Deal found 12/25$1,179

Find flight deals from Illinois to Kolkata

Keep the following information in mind while searching for Illinois to Kolkata flight deals. Data was last updated December 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$960
(Indian Eagle)

One-way from

$366
(Kiwi.com)

Popular in

December

Cheapest in

March

Average price

$1,725
Provider with most accurate pricing for Chicago (CHI)-Kolkata Netaji S. Chandra flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Kolkata Netaji S. Chandra flights.
Search Deals
From Illinois to Kolkata Netaji S. Chandra
Search Deals
One-way flight from Illinois to Kolkata Netaji S. Chandra
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($178 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($58 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 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 December 28, 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

Mon 1/19

8:20 pm-7:55 pm

2 stops36h 05m

Kolkata Netaji S. Chandra

Mon 2/2

8:55 pm-7:35 am

1 stop22h 10m

$962

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Mon 2/23

7:45 pm-12:25 am

1 stop41h 10m

Kolkata Netaji S. Chandra

Sun 3/1

8:25 pm-2:55 pm

1 stop30h 00m

$976

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Wed 2/18

7:45 pm-7:40 am

1 stop24h 25m

Kolkata Netaji S. Chandra

Sun 2/22

8:25 pm-2:55 pm

1 stop30h 00m

$976

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Mon 2/16

7:45 pm-7:40 am

1 stop24h 25m

Kolkata Netaji S. Chandra

Sun 2/22

8:25 pm-2:55 pm

1 stop30h 00m

$976

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Wed 3/11

8:45 pm-7:40 am

1 stop24h 25m

Kolkata Netaji S. Chandra

Sun 3/15

8:25 pm-3:45 pm

1 stop29h 50m

$976

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Wed 3/18

8:45 pm-7:40 am

1 stop24h 25m

Kolkata Netaji S. Chandra

Sun 3/22

8:25 pm-3:45 pm

1 stop29h 50m

$976

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Tue 1/20

11:50 am-11:10 am

2 stops35h 50m

Kolkata Netaji S. Chandra

Mon 3/23

4:30 pm-7:25 pm

2 stops37h 25m

$982

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Sat 2/14

4:25 pm-7:45 am

2 stops27h 50m

Kolkata Netaji S. Chandra

Sun 2/22

8:15 pm-3:10 pm

2 stops30h 25m

$1,006

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Mon 2/9

1:30 pm-12:15 am

1 stop23h 15m

Kolkata Netaji S. Chandra

Mon 2/16

8:55 pm-7:35 am

1 stop22h 10m

$1,013

St. LouisKolkata

STL - CCU

STLCCU

Lambert-St Louis

Wed 2/4

10:00 am-1:55 am

2 stops28h 25m

Kolkata Netaji S. Chandra

Mon 3/30

4:00 am-7:29 pm

2 stops49h 59m

$1,024

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/27

Showing 1-10 of 33 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, August is the cheapest month in which you can book a flight from Illinois to Kolkata (average of $709). Flying from Illinois to Kolkata in December is currently the most expensive (average of $1,066). 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 December 28, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 48% on flights from Illinois to Kolkata by exploring options for tickets in the morning.

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.

  • How long is the flight from Illinois to Kolkata?

    For as low as $1,024, Emirates can have you in Kolkata from Illinois in 28h 25m. Airlines will cover a distance of 8188 mi. This flight may include one or multiple stops.

  • 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 $276. However, be on the lookout for offers from IndiGo and Qatar Airways, 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, August is the cheapest month in which you can book a flight from Illinois to Kolkata (average of $709). Flying from Illinois to Kolkata in December is currently the most expensive (average of $1,066). 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.

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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 6 airlines flying from Illinois to Kolkata

Discover the top 6 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 December 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air IndiaCheapest$732Average$997FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$814Average$1,281FlexibilityNo cancel feeOn-time79%
IndiGoCheapest$850Average$1,251FlexibilityNo cancel feeOn-time80%
Etihad AirwaysCheapest$850Average$1,105FlexibilityNo cancel feeOn-time75%
Qatar AirwaysCheapest$887Average$1,308FlexibilityNo cancel feeOn-time68%
EmiratesCheapest$963Average$1,109FlexibilityNo cancel feeOn-time75%

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