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Cheap flights from Boston to Kolkata from $369

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 2/1. 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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0 bags

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Find the cheapest flights from Boston to Kolkata

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:50 pm - 3:45 pm
BOS
-
CCU
33h 25m3 stops
Multiple Airlines Logo
5:00 pm - 2:10 pm
CCU
-
BOS
31h 40m3 stops
$1,041Multiple Airlines
Sat, Jan 17 - Sun, Feb 1
Multiple Airlines Logo
3:40 pm - 4:40 am
BOS
-
CCU
26h 30m2 stops
Multiple Airlines Logo
3:25 am - 2:55 pm
CCU
-
BOS
21h 00m1 stop
$1,042Multiple Airlines
Sun, Feb 15 - Wed, Mar 11
Qatar Airways Logo
8:40 pm - 1:55 am
BOS
-
CCU
18h 45m1 stop
Qatar Airways Logo
4:00 am - 3:15 pm
CCU
-
BOS
20h 45m1 stop
$1,043Qatar Airways
Sat, Feb 14 - Tue, Mar 31
Qatar Airways Logo
8:40 pm - 1:55 am
BOS
-
CCU
18h 45m1 stop
Qatar Airways Logo
3:25 am - 1:55 pm
CCU
-
BOS
21h 00m1 stop
$1,045Qatar Airways
Sat, Feb 14 - Thu, Mar 5
Qatar Airways Logo
8:40 pm - 1:55 am
BOS
-
CCU
18h 45m1 stop
Qatar Airways Logo
3:25 am - 1:55 pm
CCU
-
BOS
21h 00m1 stop
$1,054Qatar Airways
Mon, Feb 16 - Wed, Mar 4
Multiple Airlines Logo
8:00 pm - 1:45 am
BOS
-
CCU
43h 15m2 stops
Multiple Airlines Logo
3:35 am - 2:10 pm
CCU
-
BOS
21h 05m1 stop
$1,058Multiple Airlines
Fri, Jan 16 - Fri, Jan 30
Multiple Airlines Logo
8:00 pm - 11:10 am
BOS
-
CCU
28h 40m2 stops
Multiple Airlines Logo
6:30 pm - 2:20 pm
CCU
-
BOS
30h 20m2 stops
$1,059Multiple Airlines
Fri, Feb 6 - Wed, Feb 25
Multiple Airlines Logo
3:40 pm - 8:00 pm
BOS
-
CCU
17h 50m1 stop
Multiple Airlines Logo
3:25 am - 2:20 pm
CCU
-
BOS
21h 25m1 stop
$1,064Multiple Airlines
Thu, Feb 5 - Wed, Feb 18
Multiple Airlines Logo
8:00 pm - 10:05 am
BOS
-
CCU
27h 35m2 stops
Multiple Airlines Logo
3:35 am - 2:10 pm
CCU
-
BOS
21h 05m1 stop
$1,066Multiple Airlines
Thu, Jan 15 - Thu, Jan 29
Multiple Airlines Logo
8:40 pm - 1:55 am
BOS
-
CCU
18h 45m1 stop
Multiple Airlines Logo
7:55 pm - 3:10 pm
CCU
-
BOS
28h 45m2 stops
$1,071Multiple Airlines
Sat, Feb 14 - Thu, Mar 12

KLM flights from Boston to Kolkata

Our best KLM deals on Boston to Kolkata flight tickets
KLM
Feb 6
BOS8:50 pmBoston Logan Intl
24h 25m
2 stops
CCU7:45 amKolkata Netaji S. Chandra
Feb 25
CCU8:15 pmKolkata Netaji S. Chandra
27h 40m
2 stops
BOS1:25 pmBoston Logan Intl
$1,106
Find similar
KLM
Feb 6
BOS8:50 pmBoston Logan Intl
24h 25m
2 stops
CCU7:45 amKolkata Netaji S. Chandra
Feb 25
CCU8:15 pmKolkata Netaji S. Chandra
27h 40m
2 stops
BOS1:25 pmBoston Logan Intl
$1,137
Find similar
KLM
Jan 4
BOS8:50 pmBoston Logan Intl
26h 45m
2 stops
CCU10:05 amKolkata Netaji S. Chandra
Jan 10
CCU10:30 pmKolkata Netaji S. Chandra
28h 20m
2 stops
BOS4:20 pmBoston Logan Intl
$1,973
Find similar

Qatar Airways flights from Boston to Kolkata

Our best Qatar Airways deals on Boston to Kolkata flight tickets
Qatar Airways
Feb 14
BOS8:40 pmBoston Logan Intl
18h 45m
1 stop
CCU1:55 amKolkata Netaji S. Chandra
Mar 31
CCU4:00 amKolkata Netaji S. Chandra
20h 45m
1 stop
BOS3:15 pmBoston Logan Intl
$1,043
Find similar
Qatar Airways
Feb 14
BOS8:40 pmBoston Logan Intl
18h 45m
1 stop
CCU1:55 amKolkata Netaji S. Chandra
Mar 12
CCU3:25 amKolkata Netaji S. Chandra
21h 00m
1 stop
BOS2:55 pmBoston Logan Intl
$1,045
Find similar
Qatar Airways
Feb 16
BOS8:40 pmBoston Logan Intl
18h 45m
1 stop
CCU1:55 amKolkata Netaji S. Chandra
Mar 4
CCU3:25 amKolkata Netaji S. Chandra
21h 00m
1 stop
BOS1:55 pmBoston Logan Intl
$1,054
Find similar

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated January 1, 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

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Sat 1/17

7:50 pm-3:45 pm

3 stops33h 25m

Kolkata Netaji S. Chandra

Sun 2/1

5:00 pm-2:10 pm

3 stops31h 40m

$1,041

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Sun 2/15

3:40 pm-4:40 am

2 stops26h 30m

Kolkata Netaji S. Chandra

Wed 3/11

3:25 am-2:55 pm

1 stop21h 00m

$1,042

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Sat 2/14

8:40 pm-1:55 am

1 stop18h 45m

Kolkata Netaji S. Chandra

Tue 3/31

4:00 am-3:15 pm

1 stop20h 45m

$1,043

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Sat 2/14

8:40 pm-1:55 am

1 stop18h 45m

Kolkata Netaji S. Chandra

Thu 3/5

3:25 am-1:55 pm

1 stop21h 00m

$1,045

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Mon 2/16

8:40 pm-1:55 am

1 stop18h 45m

Kolkata Netaji S. Chandra

Wed 3/4

3:25 am-1:55 pm

1 stop21h 00m

$1,054

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Fri 1/16

8:00 pm-1:45 am

2 stops43h 15m

Kolkata Netaji S. Chandra

Fri 1/30

3:35 am-2:10 pm

1 stop21h 05m

$1,058

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Fri 2/6

8:00 pm-11:10 am

2 stops28h 40m

Kolkata Netaji S. Chandra

Wed 2/25

6:30 pm-2:20 pm

2 stops30h 20m

$1,059

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Thu 2/5

3:40 pm-8:00 pm

1 stop17h 50m

Kolkata Netaji S. Chandra

Wed 2/18

3:25 am-2:20 pm

1 stop21h 25m

$1,064

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Thu 1/15

8:00 pm-10:05 am

2 stops27h 35m

Kolkata Netaji S. Chandra

Thu 1/29

3:35 am-2:10 pm

1 stop21h 05m

$1,066

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Sat 2/14

8:40 pm-1:55 am

1 stop18h 45m

Kolkata Netaji S. Chandra

Thu 3/12

7:55 pm-3:10 pm

2 stops28h 45m

$1,071

Flights are sorted by cheapest round-trip 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?

The month of September is, on average, the cheapest month to fly to Kolkata from Boston, with most prices found around $1,114. If you aren’t able to travel during the month of September, then book flights to Kolkata from Boston during October instead. Flights to Kolkata in October, while not as cheap as those in September, still average around $1,157.

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 $1,310 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Kolkata from Boston for as low as $1,082 on momondo.

Can stopping save me money on Boston to Kolkata flights?

You could potentially save up to 38% 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 January 2026, prices for Boston to Kolkata flights are approximately 28% 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 round-trip 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 20m

Direct flights

None
The fastest flight from Boston to Kolkata takes 18h 20m
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?

    Kolkata Netaji S. Chandra is 7757.3 mi away from Boston Logan Intl. By plane, this route typically takes 18h 20m.

  • 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 refresh 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 for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for 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 travel and health documents required for your trip to Kolkata Netaji S. Chandra Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Kolkata Netaji S. Chandra Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • 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
IndiGoPriceFrom $852Free CancellationRating
6.8
512 reviews
Search IndiGo flights
American AirlinesPriceFrom $899Free CancellationRating
7.2
11,072 reviews
Search American Airlines flights
Qatar AirwaysPriceFrom $972Free CancellationRating
7.4
3,698 reviews
Search Qatar Airways flights
Etihad AirwaysPriceFrom $989Free CancellationRating
7.3
1,349 reviews
Search Etihad Airways flights
EmiratesPriceFrom $1,248Free CancellationRating
8.1
3,449 reviews
Search Emirates 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?

Once all potential Boston to Kolkata flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to Kolkata from Boston. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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