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Cheap flights from Boston to Kolkata from ₹ 35,649

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 3/2. 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

Enter your travel dates to find the best prices.
Air India Logo
17:32 - 19:55
BOS
-
CCU
40h 53m2 stops
Air India Logo
21:00 - 14:14
CCU
-
BOS
26h 44m2 stops
₹ 91,695Air India
Mon, 9 Mar - Fri, 13 Mar
IndiGo Logo
21:00 - 10:05
BOS
-
CCU
27h 35m2 stops
IndiGo Logo
18:30 - 19:05
CCU
-
BOS
34h 05m2 stops
₹ 92,146IndiGo
Mon, 9 Mar - Fri, 13 Mar
Multiple Airlines Logo
20:07 - 19:55
BOS
-
CCU
38h 18m2 stops
Multiple Airlines Logo
20:35 - 14:14
CCU
-
BOS
27h 09m2 stops
₹ 92,417Multiple Airlines
Mon, 9 Mar - Fri, 13 Mar
Multiple Airlines Logo
15:40 - 02:40
BOS
-
CCU
24h 30m1 stop
Multiple Airlines Logo
22:30 - 14:10
CCU
-
BOS
50h 10m2 stops
₹ 92,507Multiple Airlines
Fri, 9 Jan - Wed, 4 Feb
Etihad Airways Logo
15:40 - 20:00
BOS
-
CCU
17h 50m1 stop
Etihad Airways Logo
03:35 - 14:10
CCU
-
BOS
21h 05m1 stop
₹ 92,687Etihad Airways
Thu, 8 Jan - Thu, 5 Feb
Air India Logo
20:07 - 00:35
BOS
-
CCU
41h 58m2 stops
Air India Logo
20:35 - 17:16
CCU
-
BOS
31h 11m2 stops
₹ 93,319Air India
Fri, 20 Feb - Wed, 4 Mar
Etihad Airways Logo
15:40 - 02:40
BOS
-
CCU
24h 30m1 stop
Etihad Airways Logo
03:35 - 14:10
CCU
-
BOS
21h 05m1 stop
₹ 93,861Etihad Airways
Thu, 8 Jan - Fri, 6 Feb
Qatar Airways Logo
20:40 - 01:55
BOS
-
CCU
18h 45m1 stop
Qatar Airways Logo
03:25 - 13:55
CCU
-
BOS
21h 00m1 stop
₹ 94,131Qatar Airways
Mon, 19 Jan - Fri, 6 Mar
Etihad Airways Logo
15:40 - 02:40
BOS
-
CCU
24h 30m1 stop
Etihad Airways Logo
20:55 - 14:10
CCU
-
BOS
27h 45m1 stop
₹ 94,222Etihad Airways
Wed, 7 Jan - Wed, 4 Feb
Qatar Airways Logo
20:40 - 01:55
BOS
-
CCU
18h 45m1 stop
Qatar Airways Logo
03:25 - 14:20
CCU
-
BOS
21h 25m1 stop
₹ 94,312Qatar Airways
Mon, 12 Jan - Fri, 6 Feb

Air India flights from Boston to Kolkata

Our best Air India deals on Boston to Kolkata flight tickets
Air India
9 Mar
BOS17:32Boston Logan Intl
40h 53m
2 stops
CCU19:55Kolkata Netaji S. Chandra
13 Mar
CCU21:00Kolkata Netaji S. Chandra
26h 44m
2 stops
BOS14:14Boston Logan Intl
₹ 91,695
Find similar
Air India
20 Feb
BOS20:07Boston Logan Intl
41h 58m
2 stops
CCU00:35Kolkata Netaji S. Chandra
4 Mar
CCU20:35Kolkata Netaji S. Chandra
31h 11m
2 stops
BOS17:16Boston Logan Intl
₹ 93,319
Find similar

Etihad Airways flights from Boston to Kolkata

Our best Etihad Airways deals on Boston to Kolkata flight tickets
Etihad Airways
8 Jan
BOS15:40Boston Logan Intl
17h 50m
1 stop
CCU20:00Kolkata Netaji S. Chandra
5 Feb
CCU03:35Kolkata Netaji S. Chandra
21h 05m
1 stop
BOS14:10Boston Logan Intl
₹ 92,687
Find similar
Etihad Airways
8 Jan
BOS15:40Boston Logan Intl
24h 30m
1 stop
CCU02:40Kolkata Netaji S. Chandra
6 Feb
CCU03:35Kolkata Netaji S. Chandra
21h 05m
1 stop
BOS14:10Boston Logan Intl
₹ 93,861
Find similar
Etihad Airways
7 Jan
BOS15:40Boston Logan Intl
24h 30m
1 stop
CCU02:40Kolkata Netaji S. Chandra
4 Feb
CCU20:55Kolkata Netaji S. Chandra
27h 45m
1 stop
BOS14:10Boston Logan Intl
₹ 94,222
Find similar

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 19 December 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 9/3

17:32-19:55

2 stops40h 53m

Kolkata Netaji S. Chandra

Fri 13/3

21:00-14:14

2 stops26h 44m

₹ 91,695

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Mon 9/3

21:00-10:05

2 stops27h 35m

Kolkata Netaji S. Chandra

Fri 13/3

18:30-19:05

2 stops34h 05m

₹ 92,146

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Mon 9/3

20:07-19:55

2 stops38h 18m

Kolkata Netaji S. Chandra

Fri 13/3

20:35-14:14

2 stops27h 09m

₹ 92,417

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Fri 9/1

15:40-02:40

1 stop24h 30m

Kolkata Netaji S. Chandra

Wed 4/2

22:30-14:10

2 stops50h 10m

₹ 92,507

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Thu 8/1

15:40-20:00

1 stop17h 50m

Kolkata Netaji S. Chandra

Thu 5/2

03:35-14:10

1 stop21h 05m

₹ 92,687

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Fri 20/2

20:07-00:35

2 stops41h 58m

Kolkata Netaji S. Chandra

Wed 4/3

20:35-17:16

2 stops31h 11m

₹ 93,319

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Thu 8/1

15:40-02:40

1 stop24h 30m

Kolkata Netaji S. Chandra

Fri 6/2

03:35-14:10

1 stop21h 05m

₹ 93,861

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Mon 19/1

20:40-01:55

1 stop18h 45m

Kolkata Netaji S. Chandra

Fri 6/3

03:25-13:55

1 stop21h 00m

₹ 94,131

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Wed 7/1

15:40-02:40

1 stop24h 30m

Kolkata Netaji S. Chandra

Wed 4/2

20:55-14:10

1 stop27h 45m

₹ 94,222

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Mon 12/1

20:40-01:55

1 stop18h 45m

Kolkata Netaji S. Chandra

Fri 6/2

03:25-14:20

1 stop21h 25m

₹ 94,312

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Kolkata from

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 typical price of a round-trip flight between Boston and Kolkata?

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 October is also very affordable. Most momondo users find prices during this month for around ₹ 104,420.

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 ₹ 100,379. 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 ₹ 135,959.

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 ₹ 95,230. 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 ₹ 123,910 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 ₹ 118,635 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 ₹ 98,102 on momondo.

Can stopping save me money on Boston to Kolkata flights?

You could potentially save up to 9% on your flight if you consider stops on a Boston to Kolkata flight.

How have Boston to Kolkata flight prices changed over time?

As of December 2025, prices for Boston to Kolkata flights are approximately 31% cheaper 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

Fastest flight time

22h 30m

Direct flights

None
The fastest flight from Boston to Kolkata takes 22h 30m
There are no direct flights from Boston to Kolkata. There are no popular flight routes from Boston to Kolkata.
Search flight deals

  • 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 22h 30m, 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 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.

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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