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Cheap flights from Boston to Kolkata from $425

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 8/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Boston to Kolkata

Cheap round-trip flights

Enter your travel dates to find the best prices.
Etihad Airways Logo
4:25 pm - 8:30 pm
BOS
-
CCU
18h 35m
1 stop
Etihad Airways Logo
3:50 am - 2:40 pm
CCU
-
BOS
20h 20m
1 stop
$830Etihad Airways
Tue, Sep 8 - Thu, Sep 17
Etihad Airways Logo
4:25 pm - 8:30 pm
BOS
-
CCU
18h 35m
1 stop
Etihad Airways Logo
3:50 am - 2:40 pm
CCU
-
BOS
20h 20m
1 stop
$831Etihad Airways
Sun, Sep 13 - Thu, Sep 17
Etihad Airways Logo
4:25 pm - 8:30 pm
BOS
-
CCU
18h 35m
1 stop
Etihad Airways Logo
9:30 pm - 2:40 pm
CCU
-
BOS
26h 40m
1 stop
$862Etihad Airways
Tue, Aug 11 - Fri, Sep 25
Etihad Airways Logo
4:25 pm - 8:30 pm
BOS
-
CCU
18h 35m
1 stop
Etihad Airways Logo
9:30 pm - 2:40 pm
CCU
-
BOS
26h 40m
1 stop
$866Etihad Airways
Thu, Sep 3 - Mon, Sep 21
Etihad Airways Logo
4:25 pm - 8:30 pm
BOS
-
CCU
18h 35m
1 stop
Etihad Airways Logo
9:30 pm - 2:40 pm
CCU
-
BOS
26h 40m
1 stop
$894Etihad Airways
Thu, Sep 24 - Mon, Sep 28
Etihad Airways Logo
4:25 pm - 2:55 am
BOS
-
CCU
25h 00m
1 stop
Etihad Airways Logo
9:30 pm - 2:40 pm
CCU
-
BOS
26h 40m
1 stop
$896Etihad Airways
Sun, Aug 9 - Wed, Sep 23
Etihad Airways Logo
4:25 pm - 8:30 pm
BOS
-
CCU
18h 35m
1 stop
Etihad Airways Logo
3:50 am - 2:40 pm
CCU
-
BOS
20h 20m
1 stop
$930Etihad Airways
Sat, Aug 8 - Mon, Sep 21
Qatar Airways Logo
10:00 pm - 2:30 am
BOS
-
CCU
19h 00m
1 stop
Qatar Airways Logo
4:00 am - 3:15 pm
CCU
-
BOS
20h 45m
1 stop
$936Qatar Airways
Wed, Sep 9 - Fri, Sep 18
Qatar Airways Logo
10:00 pm - 2:30 am
BOS
-
CCU
19h 00m
1 stop
Qatar Airways Logo
4:00 am - 3:15 pm
CCU
-
BOS
20h 45m
1 stop
$937Qatar Airways
Wed, Sep 9 - Mon, Sep 21
Multiple Airlines Logo
4:25 pm - 11:50 pm
BOS
-
CCU
21h 55m
2 stops
Multiple Airlines Logo
11:00 pm - 2:40 pm
CCU
-
BOS
25h 10m
2 stops
$970Multiple Airlines
Thu, Sep 3 - Mon, Sep 21

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Etihad Airways flights from Boston to Kolkata

Our best Etihad Airways deals on Boston to Kolkata flight tickets
Etihad Airways
Sep 8
BOS4:25 pmBoston Logan Intl
18h 35m
1 stop
CCU8:30 pmKolkata Netaji S. Chandra
Sep 17
CCU3:50 amKolkata Netaji S. Chandra
20h 20m
1 stop
BOS2:40 pmBoston Logan Intl
$830
Etihad Airways
Sep 13
BOS4:25 pmBoston Logan Intl
18h 35m
1 stop
CCU8:30 pmKolkata Netaji S. Chandra
Sep 17
CCU3:50 amKolkata Netaji S. Chandra
20h 20m
1 stop
BOS2:40 pmBoston Logan Intl
$831
Etihad Airways
Aug 11
BOS4:25 pmBoston Logan Intl
18h 35m
1 stop
CCU8:30 pmKolkata Netaji S. Chandra
Sep 25
CCU9:30 pmKolkata Netaji S. Chandra
26h 40m
1 stop
BOS2:40 pmBoston Logan Intl
$862

Qatar Airways flights from Boston to Kolkata

Our best Qatar Airways deals on Boston to Kolkata flight tickets
Qatar Airways
Sep 9
BOS10:00 pmBoston Logan Intl
19h 00m
1 stop
CCU2:30 amKolkata Netaji S. Chandra
Sep 18
CCU4:00 amKolkata Netaji S. Chandra
20h 45m
1 stop
BOS3:15 pmBoston Logan Intl
$936
Qatar Airways
Sep 9
BOS10:00 pmBoston Logan Intl
19h 00m
1 stop
CCU2:30 amKolkata Netaji S. Chandra
Sep 21
CCU4:00 amKolkata Netaji S. Chandra
20h 45m
1 stop
BOS3:15 pmBoston Logan Intl
$937
Qatar Airways
Sep 11
BOS10:00 pmBoston Logan Intl
19h 00m
1 stop
CCU2:30 amKolkata Netaji S. Chandra
Sep 18
CCU4:00 amKolkata Netaji S. Chandra
20h 45m
1 stop
BOS3:15 pmBoston Logan Intl
$973

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 June 28, 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 round-trip
Quickest round-trip

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Tue 9/8

4:25 pm-8:30 pm

1 stop18h 35m

Kolkata Netaji S. Chandra

Thu 9/17

3:50 am-2:40 pm

1 stop20h 20m

$830

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Sun 9/13

4:25 pm-8:30 pm

1 stop18h 35m

Kolkata Netaji S. Chandra

Thu 9/17

3:50 am-2:40 pm

1 stop20h 20m

$831

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Tue 8/11

4:25 pm-8:30 pm

1 stop18h 35m

Kolkata Netaji S. Chandra

Fri 9/25

9:30 pm-2:40 pm

1 stop26h 40m

$862

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Thu 9/3

4:25 pm-8:30 pm

1 stop18h 35m

Kolkata Netaji S. Chandra

Mon 9/21

9:30 pm-2:40 pm

1 stop26h 40m

$866

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Thu 9/24

4:25 pm-8:30 pm

1 stop18h 35m

Kolkata Netaji S. Chandra

Mon 9/28

9:30 pm-2:40 pm

1 stop26h 40m

$894

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Sun 8/9

4:25 pm-2:55 am

1 stop25h 00m

Kolkata Netaji S. Chandra

Wed 9/23

9:30 pm-2:40 pm

1 stop26h 40m

$896

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Sat 8/8

4:25 pm-8:30 pm

1 stop18h 35m

Kolkata Netaji S. Chandra

Mon 9/21

3:50 am-2:40 pm

1 stop20h 20m

$930

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Wed 9/9

10:00 pm-2:30 am

1 stop19h 00m

Kolkata Netaji S. Chandra

Fri 9/18

4:00 am-3:15 pm

1 stop20h 45m

$936

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Wed 9/9

10:00 pm-2:30 am

1 stop19h 00m

Kolkata Netaji S. Chandra

Mon 9/21

4:00 am-3:15 pm

1 stop20h 45m

$937

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Thu 9/3

4:25 pm-11:50 pm

2 stops21h 55m

Kolkata Netaji S. Chandra

Mon 9/21

11:00 pm-2:40 pm

2 stops25h 10m

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

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 $1,046. 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 $1,065.

How far in advance should I book a flight from Boston 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 $1,277 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 $1,077 on momondo.

Can stopping save me money on Boston to Kolkata flights?

You could potentially save up to 48% on your flight if you consider stops on a Boston to Kolkata flight.

How have Boston to Kolkata flight prices changed over time?

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 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

Frequently asked questions about flying from Boston to Kolkata

  • 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 35m.

  • 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
Etihad AirwaysPriceFrom $919Free CancellationRating
7.3
1,469 reviews
Search Etihad Airways flights
Qatar AirwaysPriceFrom $935Free CancellationRating
7.3
3,736 reviews
Search Qatar Airways flights
EmiratesPriceFrom $1,248Free CancellationRating
8.1
3,602 reviews
Search Emirates flights
SWISSPriceFrom $1,359Free CancellationRating
7.5
1,979 reviews
Search SWISS 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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