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Cheap flights from Boston to Kolkata from $448

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
3:40 pm - 7:55 pmBOS  Boston Logan Intl-CCU Kolkata Netaji S. Chandra
17h 45m1 stop Abu Dhabi Zayed Intl
Etihad Airways Logo
9:00 pm - 2:10 pmCCU  Kolkata Netaji S. Chandra-BOS Boston Logan Intl
27h 40m1 stop Abu Dhabi Zayed Intl
$819Etihad Airways
Sun, Nov 8 - Sun, Nov 15
Etihad Airways Logo
4:25 pm - 8:30 pmBOS  Boston Logan Intl-CCU Kolkata Netaji S. Chandra
18h 35m1 stop Abu Dhabi Zayed Intl
Etihad Airways Logo
9:00 pm - 3:10 pmCCU  Kolkata Netaji S. Chandra-BOS Boston Logan Intl
27h 40m1 stop Abu Dhabi Zayed Intl
$819Etihad Airways
Tue, Oct 20 - Fri, Oct 30
Qatar Airways Logo
8:40 pm - 1:55 amBOS  Boston Logan Intl-CCU Kolkata Netaji S. Chandra
18h 45m1 stop Doha Hamad Intl
Qatar Airways Logo
3:25 am - 1:55 pmCCU  Kolkata Netaji S. Chandra-BOS Boston Logan Intl
21h 00m1 stop Doha Hamad Intl
$885Qatar Airways
Mon, Nov 2 - Sun, Nov 15
Qatar Airways Logo
9:40 pm - 1:55 amBOS  Boston Logan Intl-CCU Kolkata Netaji S. Chandra
18h 45m1 stop Doha Hamad Intl
Qatar Airways Logo
3:25 am - 1:55 pmCCU  Kolkata Netaji S. Chandra-BOS Boston Logan Intl
21h 00m1 stop Doha Hamad Intl
$919Qatar Airways
Mon, Oct 26 - Sun, Nov 1
Multiple Airlines Logo
1:33 pm - 1:55 amBOS  Boston Logan Intl-CCU Kolkata Netaji S. Chandra
25h 52m2 stops Chicago O'Hare Intl Doha Hamad Intl
Multiple Airlines Logo
4:00 am - 3:15 pmCCU  Kolkata Netaji S. Chandra-BOS Boston Logan Intl
20h 45m1 stop Doha Hamad Intl
$945Multiple Airlines
Wed, Jan 13 - Wed, Mar 31
Multiple Airlines Logo
1:33 pm - 1:55 amBOS  Boston Logan Intl-CCU Kolkata Netaji S. Chandra
25h 52m2 stops Chicago O'Hare Intl Doha Hamad Intl
Multiple Airlines Logo
4:00 am - 8:48 pmCCU  Kolkata Netaji S. Chandra-BOS Boston Logan Intl
26h 18m2 stops Doha Hamad Intl Philadelphia
$955Multiple Airlines
Wed, Jan 13 - Wed, Mar 31
Emirates Logo
10:10 pm - 7:40 amBOS  Boston Logan Intl-CCU Kolkata Netaji S. Chandra
23h 00m1 stop Dubai Intl
Emirates Logo
9:20 am - 1:55 pmCCU  Kolkata Netaji S. Chandra-BOS Boston Logan Intl
39h 05m1 stop Dubai Intl
$970Emirates
Tue, Dec 1 - Tue, Dec 15
Emirates Logo
10:10 pm - 7:40 amBOS  Boston Logan Intl-CCU Kolkata Netaji S. Chandra
23h 00m1 stop Dubai Intl
Emirates Logo
8:35 pm - 1:55 pmCCU  Kolkata Netaji S. Chandra-BOS Boston Logan Intl
27h 50m1 stop Dubai Intl
$973Emirates
Tue, Nov 17 - Thu, Jan 21
KLM Logo
8:55 pm - 8:20 amBOS  Boston Logan Intl-CCU Kolkata Netaji S. Chandra
24h 55m2 stops Amsterdam Schiphol Mumbai Chhatrapati Shivaji Intl
KLM Logo
10:30 pm - 2:23 pmCCU  Kolkata Netaji S. Chandra-BOS Boston Logan Intl
26h 23m2 stops New Delhi Indira Gandhi Intl Amsterdam Schiphol
$2,172KLM
Fri, Dec 25 - Wed, Jan 6
KLM Logo
8:55 pm - 6:55 amBOS  Boston Logan Intl-CCU Kolkata Netaji S. Chandra
23h 30m2 stops Amsterdam Schiphol New Delhi Indira Gandhi Intl
KLM Logo
10:30 pm - 2:23 pmCCU  Kolkata Netaji S. Chandra-BOS Boston Logan Intl
26h 23m2 stops Hyderabad Rajiv Gandhi Intl Amsterdam Schiphol
$6,747KLM
Wed, Nov 18 - Sun, Jan 24

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Qatar Airways flights from Boston to Kolkata

Our best Qatar Airways deals on Boston to Kolkata flight tickets
Qatar Airways
Nov 2
BOS8:40 pmBoston Logan Intl
18h 45m
1 stop
CCU1:55 amKolkata Netaji S. Chandra
Nov 15
CCU3:25 amKolkata Netaji S. Chandra
21h 00m
1 stop
BOS1:55 pmBoston Logan Intl
$885
Qatar Airways
Nov 29
BOS8:40 pmBoston Logan Intl
18h 45m
1 stop
CCU1:55 amKolkata Netaji S. Chandra
Dec 17
CCU3:25 amKolkata Netaji S. Chandra
21h 00m
1 stop
BOS1:55 pmBoston Logan Intl
$965

Emirates flights from Boston to Kolkata

Our best Emirates deals on Boston to Kolkata flight tickets
Emirates
Nov 17
BOS10:10 pmBoston Logan Intl
23h 00m
1 stop
CCU7:40 amKolkata Netaji S. Chandra
Jan 27
CCU8:35 pmKolkata Netaji S. Chandra
27h 50m
1 stop
BOS1:55 pmBoston Logan Intl
$973
Emirates
Nov 10
BOS10:10 pmBoston Logan Intl
34h 20m
1 stop
CCU7:00 pmKolkata Netaji S. Chandra
Nov 17
CCU9:20 amKolkata Netaji S. Chandra
39h 05m
1 stop
BOS1:55 pmBoston Logan Intl
$977
Emirates
Dec 2
BOS10:10 pmBoston Logan Intl
23h 00m
1 stop
CCU7:40 amKolkata Netaji S. Chandra
Dec 18
CCU8:35 pmKolkata Netaji S. Chandra
27h 50m
1 stop
BOS1:55 pmBoston Logan Intl
$985

momondo Fare Finder

 
Use the filters below to find and compare flights from Boston to Kolkata that are best for you.

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Route

Depart

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Price

Cheapest round-trip

BostonKolkata

BOS Boston Logan Intl - CCU Kolkata Netaji S. Chandra

BOSCCU

Boston Logan Intl

Sun 11/8

3:40 pm-7:55 pm

1 stop17h 45m

Kolkata Netaji S. Chandra

Sun 11/15

9:00 pm-2:10 pm

1 stop27h 40m

$819

BostonKolkata

BOS Boston Logan Intl - CCU Kolkata Netaji S. Chandra

BOSCCU

Boston Logan Intl

Tue 10/20

4:25 pm-8:30 pm

1 stop18h 35m

Kolkata Netaji S. Chandra

Fri 10/30

9:00 pm-3:10 pm

1 stop27h 40m

$819
Quickest round-trip

BostonKolkata

BOS Boston Logan Intl - CCU Kolkata Netaji S. Chandra

BOSCCU

Boston Logan Intl

Mon 11/2

8:40 pm-1:55 am

1 stop18h 45m

Kolkata Netaji S. Chandra

Sun 11/15

3:25 am-1:55 pm

1 stop21h 00m

$885

BostonKolkata

BOS Boston Logan Intl - CCU Kolkata Netaji S. Chandra

BOSCCU

Boston Logan Intl

Mon 10/26

9:40 pm-1:55 am

1 stop18h 45m

Kolkata Netaji S. Chandra

Sun 11/1

3:25 am-1:55 pm

1 stop21h 00m

$919

BostonKolkata

BOS Boston Logan Intl - CCU Kolkata Netaji S. Chandra

BOSCCU

Boston Logan Intl

Wed 1/13

1:33 pm-1:55 am

2 stops25h 52m

Kolkata Netaji S. Chandra

Wed 3/31

4:00 am-3:15 pm

1 stop20h 45m

$945

BostonKolkata

BOS Boston Logan Intl - CCU Kolkata Netaji S. Chandra

BOSCCU

Boston Logan Intl

Wed 1/13

1:33 pm-1:55 am

2 stops25h 52m

Kolkata Netaji S. Chandra

Wed 3/31

4:00 am-8:48 pm

2 stops26h 18m

$955

BostonKolkata

BOS Boston Logan Intl - CCU Kolkata Netaji S. Chandra

BOSCCU

Boston Logan Intl

Tue 12/1

10:10 pm-7:40 am

1 stop23h 00m

Kolkata Netaji S. Chandra

Tue 12/15

9:20 am-1:55 pm

1 stop39h 05m

$970

BostonKolkata

BOS Boston Logan Intl - CCU Kolkata Netaji S. Chandra

BOSCCU

Boston Logan Intl

Tue 11/17

10:10 pm-7:40 am

1 stop23h 00m

Kolkata Netaji S. Chandra

Thu 1/21

8:35 pm-1:55 pm

1 stop27h 50m

$973

BostonKolkata

BOS Boston Logan Intl - CCU Kolkata Netaji S. Chandra

BOSCCU

Boston Logan Intl

Fri 12/25

8:55 pm-8:20 am

2 stops24h 55m

Kolkata Netaji S. Chandra

Wed 1/6

10:30 pm-2:23 pm

2 stops26h 23m

$2,172

BostonKolkata

BOS Boston Logan Intl - CCU Kolkata Netaji S. Chandra

BOSCCU

Boston Logan Intl

Wed 11/18

8:55 pm-6:55 am

2 stops23h 30m

Kolkata Netaji S. Chandra

Sun 1/24

10:30 pm-2:23 pm

2 stops26h 23m

$6,747

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?

Prices are currently low for flights on this route.

Typical prices usually range from $950 to $1,264.
The lowest price recently found on this route was $819.

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 $872. If you aren’t able to travel during the month of September, then book flights to Kolkata from Boston during January instead. Flights to Kolkata in January, while not as cheap as those in September, still average around $1,046.

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 $1,230 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 $925 on momondo.

Can stopping save me money on Boston to Kolkata flights?

You could potentially save up to 24% 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 September 2026, prices for Boston to Kolkata flights are approximately 19% 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

Best Price Found

$448

Fastest flight time

17h 45m

Direct flights

None
The best one-way flight to Kolkata from Boston in the past 72 hours is $448. The best round-trip flight deal from Boston to Kolkata found on momondo in the last 72 hours is $819.
The fastest flight from Boston to Kolkata takes 17h 45m
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 45m.

  • 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 $864Free CancellationRating
7.3
1,540 reviews
Search Etihad Airways flights
Qatar AirwaysPriceFrom $929Free CancellationRating
7.4
3,730 reviews
Search Qatar Airways flights
KLMPriceFrom $980Free CancellationRating
7.8
1,578 reviews
Search KLM flights
EmiratesPriceFrom $1,043Free CancellationRating
8.1
3,667 reviews
Search Emirates flights
SWISSPriceFrom $1,661Free CancellationRating
7.5
2,086 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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