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Cheap flights from Boston to Kolkata from ₹ 36,858

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 31/10. 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

Air India Logo
07:08 - 16:50BOS-CCU
24h 12m2 stops
Air India Logo
19:55 - 13:50CCU-BOS
27h 25m2 stops
₹ 69,132Air India
Find Deal
Mon, 29 Sep - Tue, 14 Oct
IndiGo Logo
21:35 - 10:45BOS-CCU
27h 40m2 stops
IndiGo Logo
14:30 - 19:40CCU-BOS
38h 40m2 stops
₹ 69,925IndiGo
Find Deal
Fri, 26 Sep - Fri, 24 Oct
IndiGo Logo
21:00 - 12:25BOS-CCU
29h 55m2 stops
IndiGo Logo
18:30 - 18:05CCU-BOS
34h 05m2 stops
₹ 70,102IndiGo
Find Deal
Thu, 30 Oct - Thu, 6 Nov
Air India Logo
19:05 - 19:45BOS-CCU
39h 10m2 stops
Air India Logo
19:55 - 18:33CCU-BOS
32h 08m2 stops
₹ 70,366Air India
Find Deal
Tue, 30 Sep - Wed, 15 Oct
IndiGo Logo
21:35 - 15:35BOS-CCU
32h 30m2 stops
IndiGo Logo
02:00 - 19:40CCU-BOS
27h 10m2 stops
₹ 70,983IndiGo
Find Deal
Fri, 26 Sep - Thu, 23 Oct
Air India Logo
07:08 - 21:35BOS-CCU
28h 57m2 stops
Air India Logo
18:45 - 18:30CCU-BOS
33h 15m2 stops
₹ 74,070Air India
Find Deal
Wed, 1 Oct - Thu, 16 Oct
Qatar Airways Logo
22:00 - 02:20BOS-CCU
18h 50m1 stop
Qatar Airways Logo
03:50 - 15:05CCU-BOS
20h 45m1 stop
₹ 79,801Qatar Airways
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Fri, 10 Oct - Tue, 21 Oct
Logo
15:40 - 23:40BOS-CCU
21h 30m2 stops
Logo
18:45 - 18:05CCU-BOS
33h 50m3 stops
₹ 82,006
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Wed, 19 Nov - Sun, 30 Nov
Logo
21:00 - 17:35BOS-CCU
35h 05m2 stops
Logo
20:55 - 14:10CCU-BOS
27h 45m1 stop
₹ 83,328
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Fri, 31 Oct - Mon, 15 Dec
Turkish Airlines Logo
20:00 - 15:50BOS-CCU
33h 20m2 stops
Turkish Airlines Logo
18:30 - 19:05CCU-BOS
34h 05m2 stops
₹ 88,619Turkish Airlines
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Fri, 20 Feb - Sat, 14 Mar

Air India flights from Boston to Kolkata

Our best Air India deals on Boston to Kolkata flight tickets
Air India
29 Sept
BOS07:08Boston Logan Intl
24h 12m
2 stops
CCU16:50Kolkata Netaji S. Chandra
14 Oct
CCU19:55Kolkata Netaji S. Chandra
27h 25m
2 stops
BOS13:50Boston Logan Intl
₹ 69,132
Find similar
Air India
30 Sept
BOS19:05Boston Logan Intl
39h 10m
2 stops
CCU19:45Kolkata Netaji S. Chandra
15 Oct
CCU19:55Kolkata Netaji S. Chandra
32h 08m
2 stops
BOS18:33Boston Logan Intl
₹ 70,366
Find similar
Air India
22 Sept
BOS05:23Boston Logan Intl
25h 57m
2 stops
CCU16:50Kolkata Netaji S. Chandra
30 Sept
CCU15:10Kolkata Netaji S. Chandra
30h 05m
2 stops
BOS11:45Boston Logan Intl
₹ 72,394
Find similar

IndiGo flights from Boston to Kolkata

Our best IndiGo deals on Boston to Kolkata flight tickets
IndiGo
26 Sept
BOS21:35Boston Logan Intl
27h 40m
2 stops
CCU10:45Kolkata Netaji S. Chandra
24 Oct
CCU14:30Kolkata Netaji S. Chandra
38h 40m
2 stops
BOS19:40Boston Logan Intl
₹ 69,925
Find similar
IndiGo
30 Oct
BOS21:00Boston Logan Intl
29h 55m
2 stops
CCU12:25Kolkata Netaji S. Chandra
6 Nov
CCU18:30Kolkata Netaji S. Chandra
34h 05m
2 stops
BOS18:05Boston Logan Intl
₹ 70,102
Find similar
IndiGo
26 Sept
BOS21:35Boston Logan Intl
32h 30m
2 stops
CCU15:35Kolkata Netaji S. Chandra
23 Oct
CCU02:00Kolkata Netaji S. Chandra
27h 10m
2 stops
BOS19:40Boston Logan Intl
₹ 70,983
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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 16 September 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

Mon 29/9

07:08-16:50

2 stops24h 12m

Kolkata Netaji S. Chandra

Tue 14/10

19:55-13:50

2 stops27h 25m

₹ 69,132

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Fri 26/9

21:35-10:45

2 stops27h 40m

Kolkata Netaji S. Chandra

Fri 24/10

14:30-19:40

2 stops38h 40m

₹ 69,925

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Thu 30/10

21:00-12:25

2 stops29h 55m

Kolkata Netaji S. Chandra

Thu 6/11

18:30-18:05

2 stops34h 05m

₹ 70,102

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Tue 30/9

19:05-19:45

2 stops39h 10m

Kolkata Netaji S. Chandra

Wed 15/10

19:55-18:33

2 stops32h 08m

₹ 70,366

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Fri 26/9

21:35-15:35

2 stops32h 30m

Kolkata Netaji S. Chandra

Thu 23/10

02:00-19:40

2 stops27h 10m

₹ 70,983

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Wed 1/10

07:08-21:35

2 stops28h 57m

Kolkata Netaji S. Chandra

Thu 16/10

18:45-18:30

2 stops33h 15m

₹ 74,070

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Fri 10/10

22:00-02:20

1 stop18h 50m

Kolkata Netaji S. Chandra

Tue 21/10

03:50-15:05

1 stop20h 45m

₹ 79,801

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Wed 19/11

15:40-23:40

2 stops21h 30m

Kolkata Netaji S. Chandra

Sun 30/11

18:45-18:05

3 stops33h 50m

₹ 82,006

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Fri 31/10

21:00-17:35

2 stops35h 05m

Kolkata Netaji S. Chandra

Mon 15/12

20:55-14:10

1 stop27h 45m

₹ 83,328

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Fri 20/2

20:00-15:50

2 stops33h 20m

Kolkata Netaji S. Chandra

Sat 14/3

18:30-19:05

2 stops34h 05m

₹ 88,619

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 ₹ 102,110.

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 ₹ 98,073. 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 ₹ 132,837.

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 ₹ 93,043. 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 ₹ 121,064 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 ₹ 113,970 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 ₹ 100,787 on momondo.

How have Boston to Kolkata flight prices changed over time?

As of September 2025, prices for Boston to Kolkata flights are approximately 14% 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

Direct flights

None
There are no direct flights from Boston to Kolkata. There are no popular flight routes from Boston to Kolkata.
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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 50m, 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 ₹ 101,600Free CancellationRating
7.4
3,624 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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