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Cheap flights from Boston to Kolkata from ₹ 34,849

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Kolkata departing on 30/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap return flights

IndiGo Logo
21:35 - 12:55BOS-CCU
29h 50m2 stops
IndiGo Logo
19:30 - 19:40CCU-BOS
33h 40m2 stops
₹ 74,328IndiGo
Find Deal
Sun, 31 Aug - Mon, 15 Sep
IndiGo Logo
21:35 - 20:15BOS-CCU
37h 10m2 stops
IndiGo Logo
21:15 - 19:40CCU-BOS
31h 55m2 stops
₹ 74,939IndiGo
Find Deal
Sat, 13 Sep - Sat, 20 Sep
IndiGo Logo
21:35 - 20:15BOS-CCU
37h 10m2 stops
IndiGo Logo
21:15 - 19:40CCU-BOS
31h 55m2 stops
₹ 75,376IndiGo
Find Deal
Sun, 14 Sep - Sun, 21 Sep
Logo
21:35 - 20:15BOS-CCU
37h 10m2 stops
Logo
04:00 - 14:55CCU-BOS
20h 25m1 stop
₹ 77,298
Find Deal
Sat, 30 Aug - Sun, 14 Sep
Logo
21:35 - 20:15BOS-CCU
37h 10m2 stops
Logo
04:00 - 14:55CCU-BOS
20h 25m1 stop
₹ 77,909
Find Deal
Sat, 13 Sep - Sat, 20 Sep
Air India Logo
07:08 - 16:50BOS-CCU
24h 12m2 stops
Air India Logo
16:15 - 16:55CCU-BOS
34h 10m2 stops
₹ 78,433Air India
Find Deal
Sun, 14 Sep - Wed, 29 Oct
American Airlines Logo
13:02 - 04:45BOS-CCU
30h 13m2 stops
American Airlines Logo
18:00 - 14:23CCU-BOS
29h 53m2 stops
₹ 78,520American Airlines
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Sat, 30 Aug - Sun, 14 Sep
Air India Logo
05:23 - 00:50BOS-CCU
33h 57m2 stops
Air India Logo
18:45 - 14:46CCU-BOS
30h 31m2 stops
₹ 79,656Air India
Find Deal
Wed, 24 Sep - Wed, 10 Dec
Turkish Airlines Logo
20:00 - 12:40BOS-CCU
30h 10m2 stops
Turkish Airlines Logo
22:30 - 18:05CCU-BOS
30h 05m2 stops
₹ 86,294Turkish Airlines
Find Deal
Fri, 16 Jan - Sat, 31 Jan
Turkish Airlines Logo
20:00 - 15:50BOS-CCU
33h 20m2 stops
Turkish Airlines Logo
22:30 - 18:05CCU-BOS
30h 05m2 stops
₹ 87,167Turkish Airlines
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Wed, 7 Jan - Sat, 24 Jan

IndiGo flights from Boston to Kolkata

Our best IndiGo deals on Boston to Kolkata flight tickets
IndiGo
31 Aug
BOS21:35Boston Logan Intl
29h 50m
2 stops
CCU12:55Kolkata Netaji S. Chandra
15 Sept
CCU19:30Kolkata Netaji S. Chandra
33h 40m
2 stops
BOS19:40Boston Logan Intl
₹ 74,328
Find similar
IndiGo
13 Sept
BOS21:35Boston Logan Intl
37h 10m
2 stops
CCU20:15Kolkata Netaji S. Chandra
20 Sept
CCU21:15Kolkata Netaji S. Chandra
31h 55m
2 stops
BOS19:40Boston Logan Intl
₹ 74,939
Find similar
IndiGo
14 Sept
BOS21:35Boston Logan Intl
37h 10m
2 stops
CCU20:15Kolkata Netaji S. Chandra
21 Sept
CCU21:15Kolkata Netaji S. Chandra
31h 55m
2 stops
BOS19:40Boston Logan Intl
₹ 75,376
Find similar

Air India flights from Boston to Kolkata

Our best Air India deals on Boston to Kolkata flight tickets
Air India
14 Sept
BOS07:08Boston Logan Intl
24h 12m
2 stops
CCU16:50Kolkata Netaji S. Chandra
29 Oct
CCU16:15Kolkata Netaji S. Chandra
34h 10m
2 stops
BOS16:55Boston Logan Intl
₹ 78,433
Find similar
Air India
24 Sept
BOS05:23Boston Logan Intl
33h 57m
2 stops
CCU00:50Kolkata Netaji S. Chandra
10 Dec
CCU18:45Kolkata Netaji S. Chandra
30h 31m
2 stops
BOS14:46Boston Logan Intl
₹ 79,656
Find similar
Air India
9 Oct
BOS07:15Boston Logan Intl
24h 05m
2 stops
CCU16:50Kolkata Netaji S. Chandra
26 Oct
CCU20:30Kolkata Netaji S. Chandra
36h 16m
2 stops
BOS23:16Boston Logan Intl
₹ 79,743
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momondo 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, momondo users made 59,053 searches. Data last updated 2 August 2025.
Use the filters below to find and compare flights from Boston to Kolkata that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Sun 31/8

21:35-12:55

2 stops29h 50m

Kolkata Netaji S. Chandra

Mon 15/9

19:30-19:40

2 stops33h 40m

₹ 74,328

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Sat 13/9

21:35-20:15

2 stops37h 10m

Kolkata Netaji S. Chandra

Sat 20/9

21:15-19:40

2 stops31h 55m

₹ 74,939

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Sun 14/9

21:35-20:15

2 stops37h 10m

Kolkata Netaji S. Chandra

Sun 21/9

21:15-19:40

2 stops31h 55m

₹ 75,376

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Sat 30/8

21:35-20:15

2 stops37h 10m

Kolkata Netaji S. Chandra

Sun 14/9

04:00-14:55

1 stop20h 25m

₹ 77,298

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Sat 13/9

21:35-20:15

2 stops37h 10m

Kolkata Netaji S. Chandra

Sat 20/9

04:00-14:55

1 stop20h 25m

₹ 77,909

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Sun 14/9

07:08-16:50

2 stops24h 12m

Kolkata Netaji S. Chandra

Wed 29/10

16:15-16:55

2 stops34h 10m

₹ 78,433

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Sat 30/8

13:02-04:45

2 stops30h 13m

Kolkata Netaji S. Chandra

Sun 14/9

18:00-14:23

2 stops29h 53m

₹ 78,520

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Wed 24/9

05:23-00:50

2 stops33h 57m

Kolkata Netaji S. Chandra

Wed 10/12

18:45-14:46

2 stops30h 31m

₹ 79,656

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Fri 16/1

20:00-12:40

2 stops30h 10m

Kolkata Netaji S. Chandra

Sat 31/1

22:30-18:05

2 stops30h 05m

₹ 86,294

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Wed 7/1

20:00-15:50

2 stops33h 20m

Kolkata Netaji S. Chandra

Sat 24/1

22:30-18:05

2 stops30h 05m

₹ 87,167

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Boston to Kolkata

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Kolkata?

If you are unable to visit Kolkata during the month of September, then departing from Boston during the month November is also very affordable. Most momondo users find prices during this month for around ₹ 99,395.

What is the cheapest day to depart on your flight to Kolkata?

The cheapest day to depart on your flight to Kolkata is on a Sunday when prices can be found for as low as ₹ 97,143. This is often the case because there is less demand to fly during this day of the week. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Boston to Kolkata for around ₹ 131,577.

What is the cheapest time of day to depart on your flight to Kolkata?

According to our data, the cheapest time of day to fly to Kolkata is in the afternoon. momondo users have found flights departing from Boston to Kolkata in the afternoon for as low as ₹ 92,161. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the evening is when there is more demand to fly to Kolkata, so prices are often more expensive at around ₹ 119,916 per ticket.

How far in advance should I book a flight to Kolkata?

You are more likely to see cheaper flights to Kolkata from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Kolkata for around ₹ 112,337 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Kolkata from Boston for as low as ₹ 99,657 on momondo.

How have Boston to Kolkata flight prices changed over time?

As of August 2025, prices for Boston to Kolkata flights are approximately 67% more expensive when compared to flights at the same time last year.

When to book flights from Boston to Kolkata

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to Kolkata according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Boston to Kolkata (BOS to CCU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Kolkata

Best price found

₹ 34,849

Fastest flight time

18h 35m

Direct flights

None

Airports in Kolkata

1 airport
The best one-way flight to Kolkata from Boston in the past 72 hours is ₹ 34,849. The best return flight deal from Boston to Kolkata found on momondo in the last 72 hours is ₹ 74,328.
The fastest flight from Boston to Kolkata takes 18h 35m
There are no direct flights from Boston to Kolkata. Popular non-direct route for this connection is Boston Logan Intl Airport - Kolkata Netaji S. Chandra Airport.
There is 1 airport near Kolkata: Kolkata Netaji S. Chandra (CCU)
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  • How far is Boston Logan Intl to Kolkata Netaji S. Chandra by plane?

    There are 12484.2 km between Boston Logan Intl and Kolkata Netaji S. Chandra. Flights usually cover this in 18h 35m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Boston Logan Intl Airport to Kolkata Netaji S. Chandra Airport?

    Prices for flights from Boston Logan Intl Airport to Kolkata Netaji S. Chandra Airport are updated daily.

  • How many operators does momondo search for flights from Boston Logan Intl Airport to Kolkata Netaji S. Chandra Airport?

  • How old do you have to be to fly from Boston Logan Intl Airport to Kolkata Netaji S. Chandra Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Boston Logan Intl Airport to Kolkata Netaji S. Chandra Airport.

  • What documentation or ID do you need to fly to Kolkata Netaji S. Chandra Airport?

    The required travel and health documents for your Kolkata Netaji S. Chandra Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Kolkata Netaji S. Chandra Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Boston to Kolkata?

Best airlines flying from Boston to Kolkata

Compare and see reviews for airlines that fly from Boston to Kolkata with momondo
Airline
Rating
Free Cancellation
Price
Qatar AirwaysPriceFrom ₹ 100,636Free CancellationRating
7.4
3,609 reviews
Search Qatar Airways flights

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Kolkata?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Kolkata from Boston.

Can I find flights from Boston to Kolkata with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Boston to Kolkata flights to just show those with flexible booking policies.

How can momondo help me find flights from Boston to Kolkata?

momondo provides multiple filters to help you find the best flight to Kolkata from Boston. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Boston to Kolkata right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Boston to Kolkata flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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