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Cheap flights from Boston to Kolkata from ₹ 43,467

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 16/5. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — CCU
22 Mar — 29 Mar1
1 adult

The best prices from Boston Logan Intl to Kolkata Netaji S. Chandra are usually found in September or October, booked 50 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 17 March 2025.

Round-trip from

₹ 80,327

One-way from

₹ 43,467

Popular in

December

Cheapest in

September

Average price

₹ 107,364
American Airlines
  • American Airlines
  • 28/4-13/5
  • 4 total stops
  • 58h 19m total
  • Boston to Kolkata
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IndiGo
  • IndiGo
  • 16/5
  • 2 total stops
  • 27h 40m total
  • Boston to Kolkata
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (₹ 693,375 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (₹ 361,049 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 17 March 2025.

Tue 25/321:00BOS - CCU
2 stops35h 20mMultiple Airlines
Thu 3/422:15CCU - BOS
2 stops30h 55mMultiple Airlines
Deal found 16/3₹ 75,807
Mon 28/412:50BOS - CCU
2 stops30h 25mAmerican Airlines
Tue 13/516:20CCU - BOS
2 stops27h 54mAmerican Airlines
Deal found 16/3₹ 80,327
Sun 11/521:35BOS - CCU
2 stops37h 10mIndiGo
Wed 18/618:00CCU - BOS
2 stops35h 10mIndiGo
Deal found 16/3₹ 81,544
Wed 16/416:30BOS - CCU
1 stop24h 50mEtihad Airways
Thu 8/503:45CCU - BOS
1 stop20h 40mEtihad Airways
Deal found 16/3₹ 94,237
Thu 9/1021:35BOS - CCU
2 stops29h 10mTurkish Airlines
Sun 26/1020:50CCU - BOS
2 stops31h 45mTurkish Airlines
Deal found 17/3₹ 98,757
Tue 25/322:15BOS - CCU
1 stop18h 00mQatar Airways
Wed 2/403:50CCU - BOS
1 stop20h 45mQatar Airways
Deal found 16/3₹ 108,581
Mon 12/523:05BOS - CCU
1 stop23h 35mEmirates
Mon 16/609:45CCU - BOS
1 stop37h 55mEmirates
Deal found 16/3₹ 110,754
Sat 10/517:20BOS - CCU
2 stops25h 55mAir France
Wed 18/618:00CCU - BOS
2 stops29h 05mAir France
Deal found 16/3₹ 125,968
Mon 28/411:25BOS - CCU
3 stops49h 20mSingapore Airlines
Tue 13/523:30CCU - BOS
2 stops39h 33mSingapore Airlines
Deal found 16/3₹ 147,875

Find flights from Boston to Kolkata within your budget

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 17 March 2025.

Fly from

Boston

Fly to

Kolkata

Route

Depart

Return

Price

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Mon 28/4

12:50-04:45

2 stops30h 25m

Kolkata Netaji S. Chandra

Tue 13/5

16:20-10:44

2 stops27h 54m

₹ 80,327

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Sun 11/5

21:35-20:15

2 stops37h 10m

Kolkata Netaji S. Chandra

Wed 18/6

18:00-19:40

2 stops35h 10m

₹ 81,544

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Wed 16/4

16:30-02:50

1 stop24h 50m

Kolkata Netaji S. Chandra

Thu 8/5

03:45-14:55

1 stop20h 40m

₹ 94,237

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Sun 11/5

21:35-18:45

2 stops35h 40m

Kolkata Netaji S. Chandra

Tue 17/6

03:45-14:55

1 stop20h 40m

₹ 98,496

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Sun 6/4

21:35-12:15

2 stops29h 10m

Kolkata Netaji S. Chandra

Sun 13/4

19:05-19:40

2 stops34h 05m

₹ 105,190

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Mon 12/5

23:05-08:10

1 stop23h 35m

Kolkata Netaji S. Chandra

Mon 16/6

09:45-14:10

1 stop37h 55m

₹ 110,754

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Sun 6/4

22:00-02:20

1 stop18h 50m

Kolkata Netaji S. Chandra

Sat 12/4

03:50-12:37

2 stops42h 17m

₹ 120,056

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Sat 10/5

17:20-04:45

2 stops25h 55m

Kolkata Netaji S. Chandra

Wed 18/6

18:00-13:35

2 stops29h 05m

₹ 125,968

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Mon 28/4

11:25-22:15

3 stops49h 20m

Kolkata Netaji S. Chandra

Tue 13/5

23:30-05:33

2 stops39h 33m

₹ 147,875

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Sat 10/5

22:00-23:25

2 stops39h 55m

Kolkata Netaji S. Chandra

Mon 16/6

00:40-15:05

2 stops47h 55m

₹ 170,478

Flights are sorted by cheapest return flights first.

Deals found on 16/3

Showing 1-10 of 15 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.

Travel insights for flights from Boston to Kolkata

Get recent, data-driven insights about flights from Boston to Kolkata including ideal travel times, pricing trends, and more.

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 14 March 2025.

The best time to book flights from Boston to Kolkata is 50 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 17 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 17 March 2025.
See what other customers who have flown with Japan Airlines, Singapore Airlines and Emirates 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.
Japan Airlines
8.3
Very Good
1,437 reviews
Check prices

Comfort

8.2

Crew

8.7

Boarding

8.4

Food

7.7

Overall

8.3

Entertainment

7.8

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
1,437 reviews
Japan Airlines
8.3
Very Good
1,437 reviews
Check prices

Comfort

8.2

Crew

8.7

Boarding

8.4

Food

7.7

Overall

8.3

Entertainment

7.8

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
1,281 reviews
Japan Airlines
8.3
Very Good
1,437 reviews
Check prices

Comfort

8.2

Crew

8.7

Boarding

8.4

Food

7.7

Overall

8.3

Entertainment

7.8

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
3,197 reviews
Japan Airlines
8.3
Very Good
1,437 reviews
Check prices

Comfort

8.2

Crew

8.7

Boarding

8.4

Food

7.7

Overall

8.3

Entertainment

7.8

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.

Qatar Airways
7.4
Good
3,544 reviews
Japan Airlines
8.3
Very Good
1,437 reviews
Check prices

Comfort

8.2

Crew

8.7

Boarding

8.4

Food

7.7

Overall

8.3

Entertainment

7.8

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.

Etihad Airways
7.4
Good
1,177 reviews
Japan Airlines
8.3
Very Good
1,437 reviews
Check prices

Comfort

8.2

Crew

8.7

Boarding

8.4

Food

7.7

Overall

8.3

Entertainment

7.8

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 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 ₹ 80,327, 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 ₹ 81,544 and ₹ 94,237, respectively. Users have found that American Airlines is 27% cheaper than the other options available to this destination.

  • 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

Browse thousands of different options on Cheapflights for your next trip

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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 17 March 2025.
AirlineCheapestAverageFlexibilityOn-time
Qatar AirwaysCheapest₹ 100,166Average₹ 117,291FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights

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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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