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Cheap flights from Boston to Kolkata from ₹ 45,711

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 31/3. 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.
Multiple Airlines Logo
16:25 - 09:40
BOS
-
CCU
31h 45m
2 stops
Multiple Airlines Logo
07:00 - 14:40
CCU
-
BOS
41h 10m
2 stops
₹ 75,653Multiple Airlines
Wed, 6 May - Wed, 13 May
Multiple Airlines Logo
21:50 - 00:05
BOS
-
CCU
40h 45m
2 stops
Multiple Airlines Logo
19:15 - 19:55
CCU
-
BOS
34h 10m
2 stops
₹ 76,873Multiple Airlines
Wed, 9 Sep - Wed, 30 Sep
Etihad Airways Logo
16:25 - 20:30
BOS
-
CCU
18h 35m
1 stop
Etihad Airways Logo
21:30 - 14:40
CCU
-
BOS
26h 40m
1 stop
₹ 80,628Etihad Airways
Tue, 21 Apr - Wed, 6 May
Etihad Airways Logo
16:25 - 20:30
BOS
-
CCU
18h 35m
1 stop
Etihad Airways Logo
21:30 - 14:40
CCU
-
BOS
26h 40m
1 stop
₹ 80,909Etihad Airways
Tue, 21 Apr - Wed, 13 May
Etihad Airways Logo
16:25 - 20:30
BOS
-
CCU
18h 35m
1 stop
Etihad Airways Logo
21:30 - 14:40
CCU
-
BOS
26h 40m
1 stop
₹ 81,097Etihad Airways
Tue, 7 Apr - Wed, 22 Apr
Etihad Airways Logo
16:25 - 03:00
BOS
-
CCU
25h 05m
1 stop
Etihad Airways Logo
04:10 - 14:40
CCU
-
BOS
20h 00m
1 stop
₹ 82,223Etihad Airways
Wed, 15 Apr - Tue, 28 Apr
Etihad Airways Logo
16:25 - 20:30
BOS
-
CCU
18h 35m
1 stop
Etihad Airways Logo
21:30 - 14:40
CCU
-
BOS
26h 40m
1 stop
₹ 82,505Etihad Airways
Sun, 10 May - Wed, 24 Jun
Etihad Airways Logo
16:25 - 20:30
BOS
-
CCU
18h 35m
1 stop
Etihad Airways Logo
21:30 - 14:40
CCU
-
BOS
26h 40m
1 stop
₹ 82,599Etihad Airways
Sun, 24 May - Mon, 1 Jun
Etihad Airways Logo
16:25 - 03:00
BOS
-
CCU
25h 05m
1 stop
Etihad Airways Logo
21:30 - 14:40
CCU
-
BOS
26h 40m
1 stop
₹ 83,913Etihad Airways
Wed, 9 Sep - Wed, 30 Sep
Etihad Airways Logo
16:25 - 03:00
BOS
-
CCU
25h 05m
1 stop
Etihad Airways Logo
04:10 - 14:40
CCU
-
BOS
20h 00m
1 stop
₹ 84,664Etihad Airways
Thu, 30 Apr - Tue, 12 May

Etihad Airways flights from Boston to Kolkata

Our best Etihad Airways deals on Boston to Kolkata flight tickets
Etihad Airways
21 Apr
BOS16:25Boston Logan Intl
18h 35m
1 stop
CCU20:30Kolkata Netaji S. Chandra
6 May
CCU21:30Kolkata Netaji S. Chandra
26h 40m
1 stop
BOS14:40Boston Logan Intl
₹ 80,628
Etihad Airways
21 Apr
BOS16:25Boston Logan Intl
18h 35m
1 stop
CCU20:30Kolkata Netaji S. Chandra
13 May
CCU21:30Kolkata Netaji S. Chandra
26h 40m
1 stop
BOS14:40Boston Logan Intl
₹ 80,909
Etihad Airways
7 Apr
BOS16:25Boston Logan Intl
18h 35m
1 stop
CCU20:30Kolkata Netaji S. Chandra
22 Apr
CCU21:30Kolkata Netaji S. Chandra
26h 40m
1 stop
BOS14:40Boston Logan Intl
₹ 81,097

Qatar Airways flights from Boston to Kolkata

Our best Qatar Airways deals on Boston to Kolkata flight tickets
Qatar Airways
6 Sept
BOS22:00Boston Logan Intl
19h 00m
1 stop
CCU02:30Kolkata Netaji S. Chandra
28 Sept
CCU04:00Kolkata Netaji S. Chandra
20h 45m
1 stop
BOS15:15Boston Logan Intl
₹ 85,321
Qatar Airways
11 Sept
BOS22:00Boston Logan Intl
19h 00m
1 stop
CCU02:30Kolkata Netaji S. Chandra
2 Oct
CCU04:00Kolkata Netaji S. Chandra
20h 45m
1 stop
BOS15:15Boston Logan Intl
₹ 89,075
Qatar Airways
4 Aug
BOS22:00Boston Logan Intl
19h 00m
1 stop
CCU02:30Kolkata Netaji S. Chandra
4 Sept
CCU04:00Kolkata Netaji S. Chandra
20h 45m
1 stop
BOS15:15Boston Logan Intl
₹ 91,328

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 26 March 2026.
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

Cheapest return flight

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Wed 6/5

16:25-09:40

2 stops31h 45m

Kolkata Netaji S. Chandra

Wed 13/5

07:00-14:40

2 stops41h 10m

₹ 75,653

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Wed 9/9

21:50-00:05

2 stops40h 45m

Kolkata Netaji S. Chandra

Wed 30/9

19:15-19:55

2 stops34h 10m

₹ 76,873

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Tue 21/4

16:25-20:30

1 stop18h 35m

Kolkata Netaji S. Chandra

Wed 6/5

21:30-14:40

1 stop26h 40m

₹ 80,628

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Tue 21/4

16:25-20:30

1 stop18h 35m

Kolkata Netaji S. Chandra

Wed 13/5

21:30-14:40

1 stop26h 40m

₹ 80,909

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Tue 7/4

16:25-20:30

1 stop18h 35m

Kolkata Netaji S. Chandra

Wed 22/4

21:30-14:40

1 stop26h 40m

₹ 81,097
Fastest return journey

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Wed 15/4

16:25-03:00

1 stop25h 05m

Kolkata Netaji S. Chandra

Tue 28/4

04:10-14:40

1 stop20h 00m

₹ 82,223

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Sun 10/5

16:25-20:30

1 stop18h 35m

Kolkata Netaji S. Chandra

Wed 24/6

21:30-14:40

1 stop26h 40m

₹ 82,505

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Sun 24/5

16:25-20:30

1 stop18h 35m

Kolkata Netaji S. Chandra

Mon 1/6

21:30-14:40

1 stop26h 40m

₹ 82,599

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Wed 9/9

16:25-03:00

1 stop25h 05m

Kolkata Netaji S. Chandra

Wed 30/9

21:30-14:40

1 stop26h 40m

₹ 83,913

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Thu 30/4

16:25-03:00

1 stop25h 05m

Kolkata Netaji S. Chandra

Tue 12/5

04:10-14:40

1 stop20h 00m

₹ 84,664

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 January, then departing from Boston during the month September is also very affordable. Most momondo users find prices during this month for around ₹ 104,187.

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 ₹ 118,141 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 ₹ 107,472 on momondo.

Can stopping save me money on Boston to Kolkata flights?

You could potentially save up to 31% 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 March 2026, prices for Boston to Kolkata flights are approximately 15% 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

18h 35m

Direct flights

None
The fastest flight from Boston to Kolkata takes 18h 35m
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 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 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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