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$350+ Cheap flights from Chicago (CHI) 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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — CCU
Apr 9 — Apr 161
Thu 4/9
Thu 4/16
1 adult, Economy
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Cheap flight deals from Chicago to Kolkata

Cheapest flights from Chicago to Kolkata
Explore the most affordable flight options available from Chicago to Kolkata. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 10, 2026.

This oojo deal was found by Cheapflights users on 3/6. 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 4/61:10 pm
ORD
-
CCU
1 stop28h 35m
Air India
Tue 4/211:30 pm
CCU
-
ORD
2 stops32h 10m
Air India
Deal found 3/6$788
This Indian Eagle deal was found by Cheapflights users on 3/6. 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 4/81:10 pm
ORD
-
CCU
1 stop20h 35m
Air India
Tue 4/2810:00 pm
CCU
-
ORD
2 stops23h 40m
Air India
Deal found 3/6$796
This oojo deal was found by Cheapflights users on 3/8. 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 4/61:10 pm
ORD
-
CCU
1 stop21h 35m
Air India
Tue 4/288:30 am
CCU
-
ORD
2 stops37h 10m
Air India
Deal found 3/8$822
This oojo deal was found by Cheapflights users on 3/8. 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 4/81:10 pm
ORD
-
CCU
1 stop21h 35m
Air India
Thu 4/239:00 pm
CCU
-
ORD
2 stops24h 40m
Air India
Deal found 3/8$825
This Indian Eagle deal was found by Cheapflights users on 3/6. 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 4/221:10 pm
ORD
-
CCU
1 stop20h 35m
Air India
Tue 4/2810:00 pm
CCU
-
ORD
2 stops23h 40m
Air India
Deal found 3/6$830
This Indian Eagle deal was found by Cheapflights users on 3/6. 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 4/81:10 pm
ORD
-
CCU
1 stop20h 35m
Air India
Sun 4/2610:00 pm
CCU
-
ORD
2 stops23h 40m
Air India
Deal found 3/6$839
This Indian Eagle deal was found by Cheapflights users on 3/6. 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 4/101:10 pm
ORD
-
CCU
1 stop21h 35m
Air India
Tue 4/2810:00 pm
CCU
-
ORD
2 stops23h 40m
Air India
Deal found 3/6$843
This Indian Eagle deal was found by Cheapflights users on 3/9. 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 3/238:45 pm
ORD
-
CCU
1 stop35h 35m
Emirates
Wed 4/158:55 pm
CCU
-
ORD
1 stop29h 20m
Emirates
Deal found 3/9$854
This Indian Eagle deal was found by Cheapflights users on 3/9. 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 3/298:35 pm
ORD
-
CCU
1 stop25h 05m
Emirates
Thu 4/99:50 am
CCU
-
ORD
1 stop40h 25m
Emirates
Deal found 3/9$856
This oojo deal was found by Cheapflights users on 3/6. 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 4/201:10 pm
ORD
-
CCU
1 stop24h 35m
Air India
Thu 4/303:55 pm
CCU
-
ORD
2 stops29h 45m
Air India
Deal found 3/6$860
This oojo deal was found by Cheapflights users on 3/9. 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.
Fri 4/31:10 pm
ORD
-
CCU
1 stop23h 35m
Air India
Tue 4/288:30 am
CCU
-
ORD
2 stops37h 10m
Air India
Deal found 3/9$869

Find flight deals from Chicago to Kolkata

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Kolkata (CCU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$788
(oojo)

One-way from

$350
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$921
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 Chicago (CHI) to Kolkata Netaji S. Chandra
Search Deals
One-way flight from Chicago (CHI) to Kolkata Netaji S. Chandra
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($219 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($67 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Chicago 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 March 10, 2026.
Use the filters below to find and compare flights from Chicago to Kolkata that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Sun 9/6

8:35 pm-8:10 am

1 stop25h 05m

Kolkata Netaji S. Chandra

Thu 9/10

9:50 am-3:45 pm

1 stop40h 25m

$980
Quickest round-trip

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Sun 9/6

7:20 pm-2:30 am

1 stop20h 40m

Kolkata Netaji S. Chandra

Thu 9/10

4:00 am-3:05 pm

1 stop21h 35m

$999

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Mon 4/13

8:35 pm-8:10 am

1 stop25h 05m

Kolkata Netaji S. Chandra

Sun 4/26

9:50 am-3:45 pm

1 stop40h 25m

$1,030

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Fri 5/1

4:20 pm-9:05 am

2 stops30h 15m

Kolkata Netaji S. Chandra

Sat 5/16

7:00 pm-2:15 pm

2 stops29h 45m

$1,059

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Sun 9/6

8:10 pm-12:50 pm

2 stops30h 10m

Kolkata Netaji S. Chandra

Thu 9/10

9:00 pm-6:15 pm

2 stops31h 45m

$1,217

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Tue 5/12

9:30 pm-4:15 am

3 stops44h 15m

Kolkata Netaji S. Chandra

Tue 5/26

9:00 pm-3:55 pm

2 stops53h 25m

$1,239

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Sun 4/12

7:05 pm-4:15 am

2 stops22h 40m

Kolkata Netaji S. Chandra

Tue 4/28

9:00 pm-12:00 pm

3 stops25h 30m

$1,266

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Thu 4/23

3:40 pm-4:15 am

3 stops26h 05m

Kolkata Netaji S. Chandra

Thu 4/30

9:00 pm-3:55 pm

2 stops29h 25m

$1,301

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Fri 4/10

9:30 pm-4:15 am

3 stops44h 15m

Kolkata Netaji S. Chandra

Mon 4/27

5:30 pm-3:55 pm

2 stops32h 55m

$1,302

ChicagoKolkata

ORD - CCU

ORDCCU

Chicago O'Hare Intl

Mon 6/15

9:40 pm-4:15 am

3 stops44h 05m

Kolkata Netaji S. Chandra

Wed 7/15

5:30 pm-3:55 pm

2 stops32h 55m

$1,319

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/5

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

Compare providers for flights from Chicago to Kolkata

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Chicago to Kolkata in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Chicago-Kolkata flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago-Kolkata flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago-Kolkata flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago-Kolkata flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago-Kolkata flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Chicago to Kolkata

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

How far ahead should I book a flight from Chicago to Kolkata?

Use this chart to determine the optimal time to book a round-trip flight from Chicago to Kolkata. Price data was last updated on March 6, 2026.

To ensure you get the cheapest price possible for a flight from Chicago to Kolkata, you should look to book at least 78 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, August is the cheapest month in which you can book a flight from Chicago to Kolkata (average of $709). Flying from Chicago to Kolkata in December is currently the most expensive (average of $1,051). 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 CHI to CCU?

Find hourly flight availability from Chicago 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 March 10, 2026.

It’s optimal to fly from Chicago to Kolkata in the morning. By choosing this option you can save up to 48% on the cost of your flight, compared to a flight at noon.

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

What’s the top layover airport for flights from Chicago to Kolkata?

Share of 1-stop round-trip flights from Chicago to Kolkata chosen by Cheapflights users in the past 12 months, using the same layover each way.

Doha (DOH) – chosen by Cheapflights users on 80% of 1-stop itineraries from Chicago to Kolkata on Cheapflights.

What’s the cheapest layover airport for flights from Chicago to Kolkata?

Average round-trip fare for 1-stop flights from Chicago to Kolkata, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Abu Dhabi (AUH) is the most affordable 1-stop option, with an average round-trip price of $1,035.

What’s the fastest layover option from Chicago to Kolkata?

Shortest average travel time for 1-stop one-way flights from Chicago to Kolkata, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Abu Dhabi (AUH) have the shortest average one-way travel time for 1-stop routes: 19h 45m.

Which airport typically offers the quickest layover for flights from Chicago to Kolkata?

Average layover duration for 1-stop one-way flights from Chicago to Kolkata, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Doha (DOH) offer the fastest connection on this route, with an average layover time of 1h 40m.

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 March 10, 2026.
Get a feel of what it's like to fly with Emirates,Qatar Airways, andEtihad Airways from Chicago to Kolkata by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Emirates
8.1
Very good
3,540 reviews

Overall

8.1

Entertainment

8.2

Crew

8.3

Boarding

8.1

Food

7.9

Comfort

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SFO - DXB

Business class was too crowded. Flight attendants were too busy, and not attentive. Orders were not delivered and delayed in delivered. Always lines to us restrooms.
Emirates
8.1
Very good
3,540 reviews
Emirates
8.1
Very good
3,540 reviews

Overall

8.1

Entertainment

8.2

Crew

8.3

Boarding

8.1

Food

7.9

Comfort

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SFO - DXB

Business class was too crowded. Flight attendants were too busy, and not attentive. Orders were not delivered and delayed in delivered. Always lines to us restrooms.
Qatar Airways
7.4
Good
3,744 reviews
Emirates
8.1
Very good
3,540 reviews

Overall

8.1

Entertainment

8.2

Crew

8.3

Boarding

8.1

Food

7.9

Comfort

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SFO - DXB

Business class was too crowded. Flight attendants were too busy, and not attentive. Orders were not delivered and delayed in delivered. Always lines to us restrooms.
Etihad Airways
7.3
Good
1,424 reviews
Emirates
8.1
Very good
3,540 reviews

Overall

8.1

Entertainment

8.2

Crew

8.3

Boarding

8.1

Food

7.9

Comfort

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SFO - DXB

Business class was too crowded. Flight attendants were too busy, and not attentive. Orders were not delivered and delayed in delivered. Always lines to us restrooms.
IndiGo
6.8
Okay
542 reviews
Emirates
8.1
Very good
3,540 reviews

Overall

8.1

Entertainment

8.2

Crew

8.3

Boarding

8.1

Food

7.9

Comfort

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SFO - DXB

Business class was too crowded. Flight attendants were too busy, and not attentive. Orders were not delivered and delayed in delivered. Always lines to us restrooms.
Air India
5.5
Fair
2,968 reviews
Emirates
8.1
Very good
3,540 reviews

Overall

8.1

Entertainment

8.2

Crew

8.3

Boarding

8.1

Food

7.9

Comfort

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SFO - DXB

Business class was too crowded. Flight attendants were too busy, and not attentive. Orders were not delivered and delayed in delivered. Always lines to us restrooms.

Related info for your journey

Find useful and relevant information for your journey from Chicago 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 Chicago?

    Located just 8.3 mi from the city center, Kolkata Netaji S. Chandra is the airport most travelers will use when flying to Kolkata from Chicago. Booking flights from Chicago to Netaji S. Chandra (CCU) should be relatively easy as there are 0 daily inbound flights from Chicago from 6 different airlines.

  • How long is the flight from Chicago to Kolkata?

    Departing from Chicago to Kolkata will take you 20h 40m. Chicago and Kolkata are separated by a distance of 7959 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Chicago to Kolkata round-trip?

    Our cheapest airline available from Chicago to Kolkata is Air India. Our recent data shows that you can find tickets from as low as $729 on this airline. Additional options worth looking into are SWISS and IndiGo, starting at $814 and $850 round-trip. Air India is currently priced 32% below the average price you’ll pay for this route.

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

    To fly one-way, consider booking your trip with Air India, which is currently one of the cheapest options available, starting at $276. IndiGo flights start at $428 while deals on Etihad Airways start at $450 one-way.

  • Where are the most common layover locations when flying from Chicago to Kolkata?

    Chicago to Kolkata flights have a layover in Abu Dhabi most often.

  • What are some popular things to do or see while on a layover in Abu Dhabi?

    Abu Dhabi travelers tend to visit Emirates Palace, Emirates Park Zoo, and Ferrari World Abu Dhabi more than anywhere else. Emirates Palace, Emirates Park Zoo and Ferrari World Abu Dhabi are located about 21.1 mi, 7.9 mi, and 4.5 mi, respectively from Abu Dhabi Zayed Intl if you are interested in checking them out. Travelers can rent a car at Abu Dhabi Zayed Intl for an average daily rate of $26 to make sightseeing during their layover a little easier.

  • Where are the least popular layover locations for Chicago to Kolkata flights?

    Of the flights from Chicago to Kolkata that have layovers, the fewest flights stop in New Delhi.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Chicago to Kolkata (average of $709). Flying from Chicago to Kolkata in December is currently the most expensive (average of $1,051). 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 Chicago to Kolkata

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Kolkata flights
St. Louis to Kolkata flights

Top 6 airlines flying from Chicago to Kolkata

Discover the top 6 airlines that operate flights from Chicago 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 March 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air IndiaCheapest$729Average$1,023FlexibilityNo cancel feeOn-timeN/A
SWISSCheapest$814Average$1,284FlexibilityNo cancel feeOn-time79%
IndiGoCheapest$850Average$1,251FlexibilityNo cancel feeOn-time80%
Etihad AirwaysCheapest$896Average$1,123FlexibilityNo cancel feeOn-time75%
EmiratesCheapest$931Average$1,109FlexibilityNo cancel feeOn-time75%
Qatar AirwaysCheapest$943Average$1,291FlexibilityNo cancel feeOn-time68%

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