December is by far the best month, wherein you can get cheapest flights for Boston to Kolkata. Meanwhile, December is perceived as the expensive month due to the varying factors. That’s why it’s highly advised to make advanced online flight booking to save huge amounts of money.
One Way Fare December- During this month the footfall is less so, the flight is gradually inexpensive.
Round Trip Fare December - is the cheapest month to book round trip flights.
Cheapest Fare- Currently, this is the fare price based on the current demand.
Disclaimer - All the mentioned fares were found within last 48 hrs. The displayed fares are based on historical data and are subject to change. The fares cannot be guaranteed at the time of booking.
BOS
20:00
Boston General Edward Lawrence Logan International Airport
Thu , 18 Dec 2025
CCU
19:55
Kolkata Netaji Subhash Chandra Bose International Airport
Sat, 20 Dec 2025
BOS
20:00
Boston General Edward Lawrence Logan International Airport
Thu , 18 Dec 2025
CCU
09:55
Kolkata Netaji Subhash Chandra Bose International Airport
Sat, 20 Dec 2025
BOS
05:30
Boston General Edward Lawrence Logan International Airport
Thu , 18 Dec 2025
CCU
16:50
Kolkata Netaji Subhash Chandra Bose International Airport
Fri, 19 Dec 2025
BOS
07:12
Boston General Edward Lawrence Logan International Airport
Thu , 18 Dec 2025
CCU
18:25
Kolkata Netaji Subhash Chandra Bose International Airport
Fri, 19 Dec 2025
BOS
15:40
Boston General Edward Lawrence Logan International Airport
Thu , 18 Dec 2025
CCU
20:00
Kolkata Netaji Subhash Chandra Bose International Airport
Fri, 19 Dec 2025
BOS
22:10
Boston General Edward Lawrence Logan International Airport
Thu , 18 Dec 2025
CCU
07:40
Kolkata Netaji Subhash Chandra Bose International Airport
Sat, 20 Dec 2025
BOS
20:25
Boston General Edward Lawrence Logan International Airport
Thu , 18 Dec 2025
CCU
07:45
Kolkata Netaji Subhash Chandra Bose International Airport
Sat, 20 Dec 2025
BOS
21:35
Boston General Edward Lawrence Logan International Airport
Thu , 18 Dec 2025
CCU
07:25
Kolkata Netaji Subhash Chandra Bose International Airport
Sat, 20 Dec 2025
BOS
20:40
Boston General Edward Lawrence Logan International Airport
Thu , 18 Dec 2025
CCU
04:15
Kolkata Netaji Subhash Chandra Bose International Airport
Sat, 20 Dec 2025
BOS
22:10
Boston General Edward Lawrence Logan International Airport
Thu , 18 Dec 2025
CCU
08:40
Kolkata Netaji Subhash Chandra Bose International Airport
Sat, 20 Dec 2025
BOS
18:30
Boston General Edward Lawrence Logan International Airport
Thu , 18 Dec 2025
CCU
07:45
Kolkata Netaji Subhash Chandra Bose International Airport
Sat, 20 Dec 2025
To crack the better offer on Boston to Kolkata flights, it’s better to make advanced bookings at least few weeks prior of your intended date because price might rise eventually due to the delay.
Weekdays are the best day to get low-cost flight tickets from Boston to Kolkata. However, it depends on a certain factor. If the demand is high and festivals are there, then prices could be a little high.
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