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Cheap flights from Boston to Kolkata from $405

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 2/20. 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
6:10 am - 10:10 pm
BOS
-
CCU
29h 30m
2 stops
Multiple Airlines Logo
8:35 pm - 4:58 pm
CCU
-
BOS
29h 53m
2 stops
$931Multiple Airlines
Mon, Mar 2 - Tue, Mar 24
Multiple Airlines Logo
3:40 pm - 2:00 am
BOS
-
CCU
23h 50m
2 stops
Multiple Airlines Logo
3:35 am - 3:10 pm
CCU
-
BOS
21h 05m
1 stop
$935Multiple Airlines
Thu, Mar 5 - Thu, Mar 19
Multiple Airlines Logo
5:10 am - 10:10 pm
BOS
-
CCU
31h 30m
2 stops
Multiple Airlines Logo
10:00 pm - 2:16 pm
CCU
-
BOS
25h 46m
2 stops
$939Multiple Airlines
Mon, Mar 30 - Thu, May 14
Etihad Airways Logo
3:40 pm - 8:00 pm
BOS
-
CCU
17h 50m
1 stop
Etihad Airways Logo
8:55 pm - 3:10 pm
CCU
-
BOS
27h 45m
1 stop
$940Etihad Airways
Sat, Feb 28 - Wed, Mar 25
Multiple Airlines Logo
8:04 pm - 10:10 pm
BOS
-
CCU
39h 36m
2 stops
Multiple Airlines Logo
3:10 pm - 2:24 pm
CCU
-
BOS
32h 44m
2 stops
$944Multiple Airlines
Tue, Mar 3 - Wed, Mar 25
Multiple Airlines Logo
3:40 pm - 12:35 am
BOS
-
CCU
22h 25m
2 stops
Multiple Airlines Logo
3:00 pm - 2:40 pm
CCU
-
BOS
33h 10m
2 stops
$952Multiple Airlines
Tue, Mar 3 - Wed, Apr 15
Multiple Airlines Logo
8:04 pm - 7:55 pm
BOS
-
CCU
37h 21m
2 stops
Multiple Airlines Logo
3:10 pm - 2:24 pm
CCU
-
BOS
32h 44m
2 stops
$958Multiple Airlines
Wed, Mar 4 - Wed, Mar 25
Etihad Airways Logo
3:40 pm - 8:00 pm
BOS
-
CCU
17h 50m
1 stop
Etihad Airways Logo
8:55 pm - 3:10 pm
CCU
-
BOS
27h 45m
1 stop
$961Etihad Airways
Tue, Mar 3 - Wed, Mar 25
Multiple Airlines Logo
4:40 pm - 3:35 am
BOS
-
CCU
25h 25m
3 stops
Multiple Airlines Logo
9:40 pm - 3:10 pm
CCU
-
BOS
27h 00m
2 stops
$966Multiple Airlines
Wed, Mar 11 - Wed, Mar 18
Etihad Airways Logo
3:40 pm - 2:40 am
BOS
-
CCU
24h 30m
1 stop
Etihad Airways Logo
3:35 am - 3:10 pm
CCU
-
BOS
21h 05m
1 stop
$970Etihad Airways
Thu, Mar 5 - Thu, Mar 19

Etihad Airways flights from Boston to Kolkata

Our best Etihad Airways deals on Boston to Kolkata flight tickets
Etihad Airways
Feb 28
BOS3:40 pmBoston Logan Intl
17h 50m
1 stop
CCU8:00 pmKolkata Netaji S. Chandra
Mar 25
CCU8:55 pmKolkata Netaji S. Chandra
27h 45m
1 stop
BOS3:10 pmBoston Logan Intl
$940
Etihad Airways
Feb 20
BOS3:40 pmBoston Logan Intl
24h 30m
1 stop
CCU2:40 amKolkata Netaji S. Chandra
Mar 7
CCU3:35 amKolkata Netaji S. Chandra
21h 05m
1 stop
BOS2:10 pmBoston Logan Intl
$952
Etihad Airways
Mar 3
BOS3:40 pmBoston Logan Intl
17h 50m
1 stop
CCU8:00 pmKolkata Netaji S. Chandra
Mar 25
CCU8:55 pmKolkata Netaji S. Chandra
27h 45m
1 stop
BOS3:10 pmBoston Logan Intl
$961

Singapore Airlines flights from Boston to Kolkata

Our best Singapore Airlines deals on Boston to Kolkata flight tickets
Singapore Airlines
Feb 20
BOS2:16 pmBoston Logan Intl
45h 39m
3 stops
CCU10:25 pmKolkata Netaji S. Chandra
Mar 8
CCU11:40 pmKolkata Netaji S. Chandra
49h 09m
3 stops
BOS3:19 pmBoston Logan Intl
$2,512
Singapore Airlines
Feb 20
BOS2:16 pmBoston Logan Intl
45h 39m
3 stops
CCU10:25 pmKolkata Netaji S. Chandra
Mar 8
CCU11:40 pmKolkata Netaji S. Chandra
39h 05m
2 stops
BOS5:15 amBoston Logan Intl
$2,759

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 February 12, 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

Mon 3/2

6:10 am-10:10 pm

2 stops29h 30m

Kolkata Netaji S. Chandra

Tue 3/24

8:35 pm-4:58 pm

2 stops29h 53m

$931

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Thu 3/5

3:40 pm-2:00 am

2 stops23h 50m

Kolkata Netaji S. Chandra

Thu 3/19

3:35 am-3:10 pm

1 stop21h 05m

$935

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Mon 3/30

5:10 am-10:10 pm

2 stops31h 30m

Kolkata Netaji S. Chandra

Thu 5/14

10:00 pm-2:16 pm

2 stops25h 46m

$939

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Sat 2/28

3:40 pm-8:00 pm

1 stop17h 50m

Kolkata Netaji S. Chandra

Wed 3/25

8:55 pm-3:10 pm

1 stop27h 45m

$940

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Tue 3/3

8:04 pm-10:10 pm

2 stops39h 36m

Kolkata Netaji S. Chandra

Wed 3/25

3:10 pm-2:24 pm

2 stops32h 44m

$944

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Tue 3/3

3:40 pm-12:35 am

2 stops22h 25m

Kolkata Netaji S. Chandra

Wed 4/15

3:00 pm-2:40 pm

2 stops33h 10m

$952

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Wed 3/4

8:04 pm-7:55 pm

2 stops37h 21m

Kolkata Netaji S. Chandra

Wed 3/25

3:10 pm-2:24 pm

2 stops32h 44m

$958

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Tue 3/3

3:40 pm-8:00 pm

1 stop17h 50m

Kolkata Netaji S. Chandra

Wed 3/25

8:55 pm-3:10 pm

1 stop27h 45m

$961

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Wed 3/11

4:40 pm-3:35 am

3 stops25h 25m

Kolkata Netaji S. Chandra

Wed 3/18

9:40 pm-3:10 pm

2 stops27h 00m

$966

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Thu 3/5

3:40 pm-2:40 am

1 stop24h 30m

Kolkata Netaji S. Chandra

Thu 3/19

3:35 am-3:10 pm

1 stop21h 05m

$970

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 cheapest month to fly to Kolkata?

The month of January is, on average, the cheapest month to fly to Kolkata from Boston, with most prices found around $1,052. If you aren’t able to travel during the month of January, then book flights to Kolkata from Boston during September instead. Flights to Kolkata in September, while not as cheap as those in January, still average around $1,114.

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 $1,284 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 $1,154 on momondo.

Can stopping save me money on Boston to Kolkata flights?

You could potentially save up to 20% 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 February 2026, prices for Boston to Kolkata flights are approximately 3% 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 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

22h 40m

Direct flights

None
The fastest flight from Boston to Kolkata takes 22h 40m
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 22h 40m.

  • 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 $462Free CancellationRating
6.8
530 reviews
Search IndiGo flights
American AirlinesPriceFrom $899Free CancellationRating
7.2
11,267 reviews
Search American Airlines flights
Qatar AirwaysPriceFrom $963Free CancellationRating
7.4
3,731 reviews
Search Qatar Airways flights
Etihad AirwaysPriceFrom $996Free CancellationRating
7.3
1,393 reviews
Search Etihad Airways flights
EmiratesPriceFrom $1,248Free CancellationRating
8.1
3,513 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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