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Cheap flights from Boston to Kolkata from $606

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 8/7. 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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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
3:35 am - 3:10 pm
CCU
-
BOS
21h 05m
1 stop
$872Etihad Airways
Tue, Sep 29 - Mon, Oct 26
Etihad Airways Logo
4:25 pm - 8:30 pm
BOS
-
CCU
18h 35m
1 stop
Etihad Airways Logo
8:55 pm - 2:10 pm
CCU
-
BOS
27h 45m
1 stop
$879Etihad Airways
Tue, Oct 13 - Fri, Nov 20
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
$883Etihad Airways
Tue, Sep 8 - Wed, Sep 23
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
$884Etihad Airways
Thu, Sep 24 - Mon, Oct 12
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
$894Etihad Airways
Wed, Sep 9 - Mon, Sep 21
Etihad Airways Logo
3:40 pm - 8:00 pm
BOS
-
CCU
17h 50m
1 stop
Etihad Airways Logo
3:35 am - 2:10 pm
CCU
-
BOS
21h 05m
1 stop
$905Etihad Airways
Sun, Nov 8 - Mon, Nov 23
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
$909Etihad Airways
Tue, Sep 22 - Mon, Oct 12
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
$911Etihad Airways
Wed, Sep 9 - Sun, Sep 20
Etihad Airways Logo
4:25 pm - 2:55 am
BOS
-
CCU
25h 00m
1 stop
Etihad Airways Logo
3:50 am - 2:40 pm
CCU
-
BOS
20h 20m
1 stop
$912Etihad Airways
Wed, Sep 9 - Sat, Sep 19
Etihad Airways Logo
3:40 pm - 8:00 pm
BOS
-
CCU
17h 50m
1 stop
Etihad Airways Logo
8:55 pm - 2:10 pm
CCU
-
BOS
27h 45m
1 stop
$913Etihad Airways
Sat, Nov 7 - Mon, Nov 23

Etihad Airways flights from Boston to Kolkata

Our best Etihad Airways deals on Boston to Kolkata flight tickets
Etihad Airways
Sep 29
BOS4:25 pmBoston Logan Intl
18h 35m
1 stop
CCU8:30 pmKolkata Netaji S. Chandra
Oct 26
CCU3:35 amKolkata Netaji S. Chandra
21h 05m
1 stop
BOS3:10 pmBoston Logan Intl
$872
Etihad Airways
Oct 13
BOS4:25 pmBoston Logan Intl
18h 35m
1 stop
CCU8:30 pmKolkata Netaji S. Chandra
Nov 20
CCU8:55 pmKolkata Netaji S. Chandra
27h 45m
1 stop
BOS2:10 pmBoston Logan Intl
$879
Etihad Airways
Sep 8
BOS4:25 pmBoston Logan Intl
18h 35m
1 stop
CCU8:30 pmKolkata Netaji S. Chandra
Sep 23
CCU9:30 pmKolkata Netaji S. Chandra
26h 40m
1 stop
BOS2:40 pmBoston Logan Intl
$883

Qatar Airways flights from Boston to Kolkata

Our best Qatar Airways deals on Boston to Kolkata flight tickets
Qatar Airways
Nov 25
BOS9:05 pmBoston Logan Intl
18h 20m
1 stop
CCU1:55 amKolkata Netaji S. Chandra
Dec 15
CCU3:25 amKolkata Netaji S. Chandra
21h 25m
1 stop
BOS2:20 pmBoston Logan Intl
$927
Qatar Airways
Nov 4
BOS9:05 pmBoston Logan Intl
18h 20m
1 stop
CCU1:55 amKolkata Netaji S. Chandra
Nov 19
CCU3:25 amKolkata Netaji S. Chandra
21h 25m
1 stop
BOS2:20 pmBoston Logan Intl
$929
Qatar Airways
Sep 28
BOS10:00 pmBoston Logan Intl
19h 00m
1 stop
CCU2:30 amKolkata Netaji S. Chandra
Oct 8
CCU4:00 amKolkata Netaji S. Chandra
20h 45m
1 stop
BOS3:15 pmBoston Logan Intl
$934

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 May 29, 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

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Tue 9/29

4:25 pm-8:30 pm

1 stop18h 35m

Kolkata Netaji S. Chandra

Mon 10/26

3:35 am-3:10 pm

1 stop21h 05m

$872

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Tue 10/13

4:25 pm-8:30 pm

1 stop18h 35m

Kolkata Netaji S. Chandra

Fri 11/20

8:55 pm-2:10 pm

1 stop27h 45m

$879

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Tue 9/8

4:25 pm-8:30 pm

1 stop18h 35m

Kolkata Netaji S. Chandra

Wed 9/23

9:30 pm-2:40 pm

1 stop26h 40m

$883

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Thu 9/24

4:25 pm-8:30 pm

1 stop18h 35m

Kolkata Netaji S. Chandra

Mon 10/12

9:30 pm-2:40 pm

1 stop26h 40m

$884

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Wed 9/9

4:25 pm-2:55 am

1 stop25h 00m

Kolkata Netaji S. Chandra

Mon 9/21

9:30 pm-2:40 pm

1 stop26h 40m

$894
Quickest round-trip

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Sun 11/8

3:40 pm-8:00 pm

1 stop17h 50m

Kolkata Netaji S. Chandra

Mon 11/23

3:35 am-2:10 pm

1 stop21h 05m

$905

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Tue 9/22

4:25 pm-8:30 pm

1 stop18h 35m

Kolkata Netaji S. Chandra

Mon 10/12

9:30 pm-2:40 pm

1 stop26h 40m

$909

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Wed 9/9

4:25 pm-2:55 am

1 stop25h 00m

Kolkata Netaji S. Chandra

Sun 9/20

9:30 pm-2:40 pm

1 stop26h 40m

$911

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Wed 9/9

4:25 pm-2:55 am

1 stop25h 00m

Kolkata Netaji S. Chandra

Sat 9/19

3:50 am-2:40 pm

1 stop20h 20m

$912

BostonKolkata

BOS - CCU

BOSCCU

Boston Logan Intl

Sat 11/7

3:40 pm-8:00 pm

1 stop17h 50m

Kolkata Netaji S. Chandra

Mon 11/23

8:55 pm-2:10 pm

1 stop27h 45m

$913

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 $1,052. If you aren’t able to travel during the month of January, then book flights to Kolkata from Boston during April instead. Flights to Kolkata in April, while not as cheap as those in January, still average around $1,069.

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 $1,275 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 $1,069 on momondo.

Can stopping save me money on Boston to Kolkata flights?

You could potentially save up to 49% 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

17h 50m

Direct flights

None
The fastest flight from Boston to Kolkata takes 17h 50m
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 17h 50m.

  • 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
1,445 reviews
Search Etihad Airways flights
Qatar AirwaysPriceFrom $935Free CancellationRating
7.4
3,727 reviews
Search Qatar Airways flights
EmiratesPriceFrom $1,248Free CancellationRating
8.1
3,574 reviews
Search Emirates flights
SWISSPriceFrom $1,359Free CancellationRating
7.5
1,964 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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