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Cheap flights from Boston to Kolkata from ₹ 38,412

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 13/4. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — CCU
3 Apr — 10 Apr1
1 adult

Cheapflights Tip: The best prices from Boston Logan Intl to Kolkata Netaji S. Chandra are usually found in September or October, booked 47 days in advance, depart on a Friday or Monday and return on a Wednesday

Cheap flight deals from Boston to Kolkata

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) 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 29 March 2025.

Round-trip from

₹ 82,300

One-way from

₹ 38,412

Popular in

December

Cheapest in

September

Average price

₹ 105,655
American Airlines
  • American Airlines
  • 28/4-13/5
  • 4 total stops
  • 61h 04m total
  • Boston to Kolkata
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American Airlines
  • American Airlines
  • 13/4
  • 2 total stops
  • 30h 25m total
  • Boston to Kolkata
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Highest demand for flights based on searches. 6% potential increase in price (₹ 670,802 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (₹ 349,644 potential savings vs. average return price).
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Average for round-trip flights in March 2025
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Find flight deals from Boston to Kolkata

Cheapest flights from Boston to Kolkata
Explore the most affordable flight options available from Boston to Kolkata. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 March 2025.

Mon 28/410:05BOS - CCU
2 stops33h 10mAmerican Airlines
Tue 13/516:20CCU - BOS
2 stops27h 54mAmerican Airlines
Deal found 28/3₹ 82,300
Thu 9/1021:35BOS - CCU
2 stops37h 20mMultiple Airlines
Sun 26/1004:50CCU - BOS
2 stops47h 45mMultiple Airlines
Deal found 28/3₹ 85,551
Thu 8/521:35BOS - CCU
2 stops37h 10mIndiGo
Mon 26/522:30CCU - BOS
2 stops30h 40mIndiGo
Deal found 29/3₹ 88,801
Mon 7/416:30BOS - CCU
1 stop24h 50mEtihad Airways
Thu 1/503:45CCU - BOS
1 stop20h 40mEtihad Airways
Deal found 28/3₹ 89,914
Sun 6/721:40BOS - CCU
2 stops25h 50mSWISS
Sun 27/717:30CCU - BOS
2 stops31h 25mSWISS
Deal found 28/3₹ 95,389
Sun 2/1120:00BOS - CCU
2 stops30h 05mTurkish Airlines
Sat 15/1120:50CCU - BOS
2 stops31h 45mTurkish Airlines
Deal found 28/3₹ 96,929
Tue 8/720:05BOS - CCU
2 stops27h 25mLufthansa
Mon 28/721:20CCU - BOS
2 stops29h 50mLufthansa
Deal found 28/3₹ 100,522
Fri 2/523:05BOS - CCU
1 stop23h 35mEmirates
Wed 7/509:45CCU - BOS
1 stop37h 55mEmirates
Deal found 27/3₹ 107,794
Mon 22/922:00BOS - CCU
1 stop18h 50mQatar Airways
Wed 8/1003:50CCU - BOS
1 stop20h 45mQatar Airways
Deal found 28/3₹ 118,659

Cheapflights Fare Finder

Customise your flight search to find flights from Boston 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 454,620 searches. Data last updated 29 March 2025.
Use the filters below to find and compare flights from Boston to Kolkata that are best for you.

Fly from

Boston

Fly to

Kolkata

Route

Depart

Return

Price

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Mon 28/4

10:05-04:45

2 stops33h 10m

Kolkata Netaji S. Chandra

Tue 13/5

16:20-10:44

2 stops27h 54m

₹ 82,300

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Thu 8/5

06:00-18:05

3 stops26h 35m

Kolkata Netaji S. Chandra

Mon 26/5

16:00-14:55

2 stops32h 25m

₹ 86,663

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Thu 8/5

21:35-20:15

2 stops37h 10m

Kolkata Netaji S. Chandra

Mon 26/5

21:15-19:40

2 stops31h 55m

₹ 88,887

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Mon 7/4

16:30-02:50

1 stop24h 50m

Kolkata Netaji S. Chandra

Thu 1/5

03:45-14:55

1 stop20h 40m

₹ 89,914

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Sun 6/7

21:40-09:00

2 stops25h 50m

Kolkata Netaji S. Chandra

Sun 27/7

17:30-15:25

2 stops31h 25m

₹ 95,389

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Tue 8/7

20:05-09:00

2 stops27h 25m

Kolkata Netaji S. Chandra

Mon 28/7

21:20-17:40

2 stops29h 50m

₹ 100,522

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Mon 22/9

21:35-15:35

2 stops32h 30m

Kolkata Netaji S. Chandra

Fri 10/10

22:30-19:40

2 stops30h 40m

₹ 105,484

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Fri 2/5

23:05-08:10

1 stop23h 35m

Kolkata Netaji S. Chandra

Wed 7/5

09:45-14:10

1 stop37h 55m

₹ 107,794

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Mon 22/9

22:00-02:20

1 stop18h 50m

Kolkata Netaji S. Chandra

Wed 8/10

03:50-15:05

1 stop20h 45m

₹ 118,659

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Tue 23/9

19:40-15:30

2 stops34h 20m

Kolkata Netaji S. Chandra

Sun 12/10

19:30-17:10

2 stops31h 10m

₹ 125,160

Flights are sorted by cheapest return flights first.

Deals found on 28/3

Showing 1-10 of 17 results
1
2

Best time to book a flight from Boston to Kolkata

Have a flexible travel schedule? Discover the best time to fly to Kolkata from Boston with our price prediction graph.
Estimated return 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 Boston to Kolkata

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

Use this chart to determine the optimal time to book a return flight from Boston to Kolkata. Price data was last updated on 21 March 2025.

The best time to book flights from Boston to Kolkata is 47 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, September is the cheapest month in which you can book a flight from Boston to Kolkata (average of ₹ 120). Flying from Boston to Kolkata in October is currently the most expensive (average of ₹ 161). 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 BOS to CCU?

Find hourly flight availability from Boston 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 29 March 2025.

It’s optimal to fly from Boston to Kolkata in the morning. By choosing this option you can save up to 24% on the cost of your flight, compared to a flight at midday.

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 7.0 - 356.0 inches per month. August is typically the wettest month, when rainfall can reach 356.0 mm. December is typically the driest time to visit Kolkata when rainfall is around 7.0 mm.

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 31.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 20.0 C).

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 29 March 2025.
See what other customers who have flown with Singapore Airlines, Emirates and SWISS from Boston 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.
Singapore Airlines
8.1
Very Good
1,285 reviews
Check prices

Crew

8.6

Boarding

8.2

Comfort

7.9

Food

7.7

Entertainment

8.0

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Singapore Airlines
8.1
Very Good
1,285 reviews
Singapore Airlines
8.1
Very Good
1,285 reviews
Check prices

Crew

8.6

Boarding

8.2

Comfort

7.9

Food

7.7

Entertainment

8.0

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Emirates
8.0
Very Good
3,192 reviews
Singapore Airlines
8.1
Very Good
1,285 reviews
Check prices

Crew

8.6

Boarding

8.2

Comfort

7.9

Food

7.7

Entertainment

8.0

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
SWISS
7.5
Good
1,570 reviews
Singapore Airlines
8.1
Very Good
1,285 reviews
Check prices

Crew

8.6

Boarding

8.2

Comfort

7.9

Food

7.7

Entertainment

8.0

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Qatar Airways
7.4
Good
3,537 reviews
Singapore Airlines
8.1
Very Good
1,285 reviews
Check prices

Crew

8.6

Boarding

8.2

Comfort

7.9

Food

7.7

Entertainment

8.0

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.
Etihad Airways
7.4
Good
1,181 reviews
Singapore Airlines
8.1
Very Good
1,285 reviews
Check prices

Crew

8.6

Boarding

8.2

Comfort

7.9

Food

7.7

Entertainment

8.0

Overall

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.

Related info for your journey

Find useful and relevant information for your journey from Boston to Kolkata. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Currently priced at ₹ 82,300, American Airlines will fly you from Boston to Kolkata and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from IndiGo and Etihad Airways - these airlines can fly you to your destination from ₹ 88,887 and ₹ 89,914, respectively. Users have found that American Airlines is 24% cheaper than the other options available to this destination.

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

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at ₹ 38,412. Etihad Airways flights start at ₹ 49,192 while deals on Emirates start at ₹ 70,494 one-way.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Boston to Kolkata (average of ₹ 120). Flying from Boston to Kolkata in October is currently the most expensive (average of ₹ 161). 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 Boston to Kolkata

See prices for flight routes from nearby airports that may be better suited for you.
Boston to Bagdogra flights

Top airline flying from Boston to Kolkata

Discover the top airline that operate flights from Boston 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 454,620 searches. Data last updated 29 March 2025.
AirlineCheapestAverageFlexibilityOn-time
Qatar AirwaysCheapest₹ 98,572Average₹ 116,944FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights

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Can Cheapflights find flights from Boston to Kolkata with no change fees?

Need flexible booking options for your flight to Kolkata from Boston? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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Of course! You can now track prices for flights from Boston to Kolkata and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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