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Cheap flights from Kolkata to Boston from $540

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Kolkata to Boston departing on 2/18. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:35 pm - 2:20 pm
CCU
-
BOS
27h 15m
2 stops
Multiple Airlines Logo
5:23 am - 12:15 am
BOS
-
CCU
33h 22m
2 stops
$883Multiple Airlines
Tue, Jul 14 - Wed, Sep 30
Etihad Airways Logo
4:10 am - 2:40 pm
CCU
-
BOS
20h 00m
1 stop
Etihad Airways Logo
4:25 pm - 8:30 pm
BOS
-
CCU
18h 35m
1 stop
$909Etihad Airways
Sun, May 24 - Thu, Jul 9
Etihad Airways Logo
9:30 pm - 2:40 pm
CCU
-
BOS
26h 40m
1 stop
Etihad Airways Logo
4:25 pm - 3:00 am
BOS
-
CCU
25h 05m
1 stop
$941Etihad Airways
Sun, May 24 - Thu, Jul 9
Etihad Airways Logo
8:55 pm - 3:10 pm
CCU
-
BOS
27h 45m
1 stop
Etihad Airways Logo
4:25 pm - 3:00 am
BOS
-
CCU
25h 05m
1 stop
$999Etihad Airways
Sun, Mar 8 - Wed, Jun 17
Multiple Airlines Logo
4:00 am - 3:05 pm
CCU
-
BOS
20h 35m
1 stop
Multiple Airlines Logo
9:38 am - 4:45 am
BOS
-
CCU
33h 37m
2 stops
$1,000Multiple Airlines
Wed, Jun 3 - Thu, Aug 6
Emirates Logo
9:50 am - 2:10 pm
CCU
-
BOS
37h 50m
1 stop
Emirates Logo
11:05 pm - 8:10 am
BOS
-
CCU
23h 35m
1 stop
$1,010Emirates
Tue, Jul 14 - Wed, Sep 30
Multiple Airlines Logo
4:00 am - 3:15 pm
CCU
-
BOS
20h 45m
1 stop
Multiple Airlines Logo
10:00 pm - 2:30 am
BOS
-
CCU
19h 00m
1 stop
$1,011Multiple Airlines
Mon, Apr 6 - Sat, Oct 3
KLM Logo
7:00 pm - 2:55 pm
CCU
-
BOS
29h 25m
2 stops
KLM Logo
8:25 pm - 8:25 am
BOS
-
CCU
26h 30m
2 stops
$1,018KLM
Mon, Apr 20 - Sat, Oct 17
Multiple Airlines Logo
9:30 pm - 2:40 pm
CCU
-
BOS
26h 40m
1 stop
Multiple Airlines Logo
7:08 am - 6:25 pm
BOS
-
CCU
25h 47m
2 stops
$1,021Multiple Airlines
Mon, Apr 6 - Sat, Oct 3
Multiple Airlines Logo
10:30 pm - 3:15 pm
CCU
-
BOS
50h 15m
2 stops
Multiple Airlines Logo
10:00 pm - 9:20 am
BOS
-
CCU
25h 50m
2 stops
$1,026Multiple Airlines
Mon, Apr 6 - Sat, Oct 3

KLM flights from Kolkata to Boston

Our best KLM deals on Kolkata to Boston flight tickets
KLM
Apr 20
CCU7:00 pmKolkata Netaji S. Chandra
29h 25m
2 stops
BOS2:55 pmBoston Logan Intl
Oct 17
BOS8:25 pmBoston Logan Intl
26h 30m
2 stops
CCU8:25 amKolkata Netaji S. Chandra
$1,018
KLM
Apr 19
CCU8:45 pmKolkata Netaji S. Chandra
25h 58m
2 stops
BOS1:13 pmBoston Logan Intl
Oct 17
BOS8:25 pmBoston Logan Intl
26h 30m
2 stops
CCU8:25 amKolkata Netaji S. Chandra
$1,038
KLM
May 12
CCU7:00 pmKolkata Netaji S. Chandra
29h 25m
2 stops
BOS2:55 pmBoston Logan Intl
May 26
BOS4:35 pmBoston Logan Intl
29h 25m
2 stops
CCU7:30 amKolkata Netaji S. Chandra
$1,084

British Airways flights from Kolkata to Boston

Our best British Airways deals on Kolkata to Boston flight tickets
British Airways
Jul 20
CCU6:20 amKolkata Netaji S. Chandra
39h 45m
2 stops
BOS12:35 pmBoston Logan Intl
Nov 3
BOS7:30 amBoston Logan Intl
45h 10m
2 stops
CCU3:10 pmKolkata Netaji S. Chandra
$1,251
British Airways
Jul 19
CCU7:05 pmKolkata Netaji S. Chandra
51h 00m
2 stops
BOS12:35 pmBoston Logan Intl
Nov 3
BOS7:15 pmBoston Logan Intl
33h 25m
2 stops
CCU3:10 pmKolkata Netaji S. Chandra
$1,255
British Airways
Jul 20
CCU7:05 pmKolkata Netaji S. Chandra
27h 00m
2 stops
BOS12:35 pmBoston Logan Intl
Nov 5
BOS7:15 pmBoston Logan Intl
28h 40m
2 stops
CCU10:25 amKolkata Netaji S. Chandra
$1,285

momondo Fare Finder

 
Customize your flight search to find flights from Kolkata to Boston 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 3, 2026.
Use the filters below to find and compare flights from Kolkata to Boston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

KolkataBoston

CCU - BOS

CCUBOS

Kolkata Netaji S. Chandra

Tue 7/14

8:35 pm-2:20 pm

2 stops27h 15m

Boston Logan Intl

Wed 9/30

5:23 am-12:15 am

2 stops33h 22m

$883

KolkataBoston

CCU - BOS

CCUBOS

Kolkata Netaji S. Chandra

Sun 5/24

4:10 am-2:40 pm

1 stop20h 00m

Boston Logan Intl

Thu 7/9

4:25 pm-8:30 pm

1 stop18h 35m

$909

KolkataBoston

CCU - BOS

CCUBOS

Kolkata Netaji S. Chandra

Sun 5/24

9:30 pm-2:40 pm

1 stop26h 40m

Boston Logan Intl

Thu 7/9

4:25 pm-3:00 am

1 stop25h 05m

$941

KolkataBoston

CCU - BOS

CCUBOS

Kolkata Netaji S. Chandra

Sun 3/8

8:55 pm-3:10 pm

1 stop27h 45m

Boston Logan Intl

Wed 6/17

4:25 pm-3:00 am

1 stop25h 05m

$999

KolkataBoston

CCU - BOS

CCUBOS

Kolkata Netaji S. Chandra

Wed 6/3

4:00 am-3:05 pm

1 stop20h 35m

Boston Logan Intl

Thu 8/6

9:38 am-4:45 am

2 stops33h 37m

$1,000

KolkataBoston

CCU - BOS

CCUBOS

Kolkata Netaji S. Chandra

Tue 7/14

9:50 am-2:10 pm

1 stop37h 50m

Boston Logan Intl

Wed 9/30

11:05 pm-8:10 am

1 stop23h 35m

$1,010

KolkataBoston

CCU - BOS

CCUBOS

Kolkata Netaji S. Chandra

Mon 4/6

4:00 am-3:15 pm

1 stop20h 45m

Boston Logan Intl

Sat 10/3

10:00 pm-2:30 am

1 stop19h 00m

$1,011

KolkataBoston

CCU - BOS

CCUBOS

Kolkata Netaji S. Chandra

Mon 4/20

7:00 pm-2:55 pm

2 stops29h 25m

Boston Logan Intl

Sat 10/17

8:25 pm-8:25 am

2 stops26h 30m

$1,018

KolkataBoston

CCU - BOS

CCUBOS

Kolkata Netaji S. Chandra

Mon 4/6

9:30 pm-2:40 pm

1 stop26h 40m

Boston Logan Intl

Sat 10/3

7:08 am-6:25 pm

2 stops25h 47m

$1,021

KolkataBoston

CCU - BOS

CCUBOS

Kolkata Netaji S. Chandra

Mon 4/6

10:30 pm-3:15 pm

2 stops50h 15m

Boston Logan Intl

Sat 10/3

10:00 pm-9:20 am

2 stops25h 50m

$1,026

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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See travel insights to Boston from

How to get the cheapest flight ticket from Kolkata to Boston

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 Boston?

In general, November is the cheapest month to fly from Kolkata to Boston. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $974. If you aren’t able to travel during the month of November, then book flights to Boston from Kolkata during September instead. Flights to Boston in September, while not as cheap as those in November, still average around $994.

Can stopping save me money on Kolkata to Boston flights?

You could potentially save up to 2% on your flight if you consider stops on a Kolkata to Boston flight.

How have Kolkata to Boston flight prices changed over time?

As of February 2026, prices for Kolkata to Boston flights are approximately 32% cheaper when compared to flights at the same time last year.

When to book flights from Kolkata to Boston

Are you open to changing your travel dates? Check out the ideal times to fly from Kolkata to Boston according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Kolkata to Boston (CCU to BOS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Kolkata to Boston

Fastest flight time

20h 00m

Direct flights

None
The fastest flight from Kolkata to Boston takes 20h 00m
There are no direct flights from Kolkata to Boston. There are no popular flight routes from Kolkata to Boston.
Search flight deals

  • How far is Kolkata Netaji S. Chandra to Boston Logan Intl by plane?

    Kolkata Netaji S. Chandra and Boston Logan Intl are 7757.3 mi apart from one another. A reasonable flight in good conditions will take 20h 00m.

  • When did momondo last update prices for flights from Kolkata Netaji S. Chandra Airport to Boston Logan Intl Airport?

    Prices for flights from Kolkata Netaji S. Chandra Airport to Boston Logan Intl Airport are updated daily.

  • How many operators does momondo search for flights from Kolkata Netaji S. Chandra Airport to Boston Logan Intl Airport?

  • How old do you have to be to fly from Kolkata Netaji S. Chandra Airport to Boston Logan Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Kolkata Netaji S. Chandra Airport to Boston Logan Intl Airport.

  • What documentation or ID do you need to fly to Boston Logan Intl Airport?

    The travel and health documents you'll need for your trip to Boston Logan Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Boston Logan Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Kolkata to Boston?

Best airlines flying from Kolkata to Boston

Compare and see reviews for airlines that fly from Kolkata to Boston with momondo
Airline
Rating
Free Cancellation
Price
Etihad AirwaysPriceFrom $877Free CancellationRating
7.3
1,380 reviews
Search Etihad Airways flights
Qatar AirwaysPriceFrom $984Free CancellationRating
7.4
3,729 reviews
Search Qatar Airways flights
EmiratesPriceFrom $1,129Free CancellationRating
8.1
3,495 reviews
Search Emirates flights

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Hampton Beach
Salem
Ogunquit
Old Orchard Beach
Hampton
York Beach
Kennebunkport
Plymouth
Cambridge
South Yarmouth
Narragansett
Gloucester
Falmouth
Nashua
Brockton
Laconia
Warwick
Sturbridge
Chatham
Concord

Why use momondo?

Why should I use momondo to find a flight deal from Kolkata to Boston?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Kolkata to Boston for you.

Can I find flights from Kolkata to Boston with flexible booking policies on momondo?

Flights from Kolkata to Boston with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Kolkata to Boston?

Once you have performed a search for Kolkata to Boston flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to Boston from Kolkata. 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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