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Cheap flights from Boston to Kolkata from ₹ 35,919

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 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — CCU
27 Nov — 4 Dec1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Boston Logan Intl to Kolkata Netaji S. Chandra are usually found in September or April, 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 28 October 2025.

Round-trip from

₹ 68,749

One-way from

₹ 35,919

Popular in

December

Cheapest in

September

Average price

₹ 105,727
10/11-23/11
  • 10/11-23/11
  • 4 total stops
  • 103h 15m total
  • Boston to Kolkata
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IndiGo
  • IndiGo
  • 11/11
  • 2 total stops
  • 33h 15m total
  • Boston to Kolkata
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Highest demand for flights based on searches. 6% potential increase in price (₹ 723,010 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (₹ 353,055 potential savings vs. average return price).
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Average for round-trip flights in October 2025
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Find flight deals from Boston to Kolkata

Enter your travel dates to find the best prices.

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 28 October 2025.

Tue 4/1120:00BOS - CCU
2 stops35h 10mIndiGo
Wed 12/1122:30CCU - BOS
2 stops30h 05mIndiGo
Deal found 27/10₹ 75,632
Wed 12/1120:00BOS - CCU
2 stops35h 10mIndiGo
Sun 23/1114:10CCU - BOS
2 stops38h 25mIndiGo
Deal found 27/10₹ 76,074
Sat 8/1120:00BOS - CCU
2 stops29h 55mIndiGo
Wed 19/1122:30CCU - BOS
2 stops30h 05mIndiGo
Deal found 27/10₹ 76,868
Wed 12/1120:00BOS - CCU
2 stops37h 45mMultiple Airlines
Sun 23/1115:00CCU - BOS
3 stops33h 40mMultiple Airlines
Deal found 27/10₹ 77,133
Sat 8/1120:00BOS - CCU
2 stops29h 55mMultiple Airlines
Wed 19/1121:10CCU - BOS
3 stops27h 30mMultiple Airlines
Deal found 27/10₹ 78,280
Tue 30/1220:00BOS - CCU
2 stops37h 45mIndiGo
Fri 23/122:30CCU - BOS
2 stops30h 05mIndiGo
Deal found 28/10₹ 78,633
Fri 28/1115:40BOS - CCU
2 stops22h 05mMultiple Airlines
Sat 13/1220:45CCU - BOS
2 stops31h 50mMultiple Airlines
Deal found 28/10₹ 79,074
Wed 12/1120:00BOS - CCU
2 stops37h 45mMultiple Airlines
Thu 27/1118:05CCU - BOS
2 stops30h 35mMultiple Airlines
Deal found 27/10₹ 80,575
Tue 4/1120:00BOS - CCU
2 stops33h 15mMultiple Airlines
Tue 11/1100:30CCU - BOS
2 stops28h 05mMultiple Airlines
Deal found 27/10₹ 81,369

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 28 October 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

Fri 13/2

20:00-12:25

2 stops29h 55m

Kolkata Netaji S. Chandra

Sun 15/3

21:30-19:05

2 stops31h 05m

₹ 69,014

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Mon 10/11

20:00-17:40

2 stops35h 10m

Kolkata Netaji S. Chandra

Tue 25/11

22:30-18:05

2 stops30h 05m

₹ 74,309

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Thu 4/12

15:40-03:35

3 stops25h 25m

Kolkata Netaji S. Chandra

Sat 20/12

15:00-14:10

3 stops33h 40m

₹ 84,811

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Fri 23/1

15:40-02:40

1 stop24h 30m

Kolkata Netaji S. Chandra

Sat 7/3

03:35-14:10

1 stop21h 05m

₹ 86,841

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Fri 23/1

15:40-02:40

1 stop24h 30m

Kolkata Netaji S. Chandra

Mon 2/3

20:55-14:10

1 stop27h 45m

₹ 86,841

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Mon 12/1

15:40-20:00

1 stop17h 50m

Kolkata Netaji S. Chandra

Sun 1/2

20:55-14:10

1 stop27h 45m

₹ 86,841

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Thu 15/1

15:40-20:00

1 stop17h 50m

Kolkata Netaji S. Chandra

Sun 1/2

20:55-14:10

1 stop27h 45m

₹ 86,841

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Fri 23/1

15:40-02:40

1 stop24h 30m

Kolkata Netaji S. Chandra

Wed 4/3

20:55-14:10

1 stop27h 45m

₹ 86,841

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Sat 29/11

15:40-20:00

1 stop17h 50m

Kolkata Netaji S. Chandra

Fri 19/12

03:35-14:10

1 stop21h 05m

₹ 90,459

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Thu 22/1

20:00-20:15

2 stops37h 45m

Kolkata Netaji S. Chandra

Fri 27/2

03:25-14:20

1 stop21h 25m

₹ 90,547

Flights are sorted by cheapest return flights first.

Deals found on 26/10

Showing 1-10 of 22 results
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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 24 October 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 ₹ 76,780). Flying from Boston to Kolkata in August is currently the most expensive (average of ₹ 109,963). 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.

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 28 October 2025.
Check out reviews from past customers who have flown with Qatar Airways from Boston to Kolkata to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Qatar Airways
7.4
Good
3,659 reviews
Check prices

Food

7.3

Comfort

7.4

Boarding

7.5

Overall

7.4

Entertainment

7.4

Crew

7.9

Reviews

1 / 20
6.0
Good

Chris,Jul 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable
Qatar Airways
7.4
Good
3,659 reviews
Qatar Airways
7.4
Good
3,659 reviews
Check prices

Food

7.3

Comfort

7.4

Boarding

7.5

Overall

7.4

Entertainment

7.4

Crew

7.9

Reviews

1 / 20
6.0
Good

Chris,Jul 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable

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.

  • How long is the flight from Boston to Kolkata?

    Turkish Airlines, IndiGo, and Etihad Airways can get you from Boston to Kolkata in just under 24h 30m. Your travel time can differ by up to 10h 40m. The distance from Boston to Kolkata is about 12476 km. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Boston to Kolkata round-trip?

    Currently priced at ₹ 101,686, Qatar Airways will fly you from Boston to Kolkata and back. In addition to Qatar Airways, many other airlines offer competitively priced options for your trip. Users have found that Qatar Airways is 10% 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 ₹ 76,780). Flying from Boston to Kolkata in August is currently the most expensive (average of ₹ 109,963). 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 28 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Qatar AirwaysCheapest₹ 101,686Average₹ 120,638FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Boston to Kolkata?

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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.

Can Cheapflights notify me if prices for flights from Boston to Kolkata become cheaper?

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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