February is by far the best month, wherein you can get cheapest flights for Boston to Kolkata. Meanwhile, January 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 February- During this month the footfall is less so, the flight is gradually inexpensive.
Round Trip Fare February - 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 above-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.
Boston
20:00
General Edward Lawrence Logan International Airport [BOS]
Wed , 07 Jan 2026
Kolkata
04:35
Netaji Subhash Chandra Bose International Airport [CCU]
Sat, 10 Jan 2026
Boston
20:00
General Edward Lawrence Logan International Airport [BOS]
Wed , 07 Jan 2026
Kolkata
11:10
Netaji Subhash Chandra Bose International Airport [CCU]
Fri, 09 Jan 2026
Boston
15:35
General Edward Lawrence Logan International Airport [BOS]
Wed , 07 Jan 2026
Kolkata
04:40
Netaji Subhash Chandra Bose International Airport [CCU]
Fri, 09 Jan 2026
Boston
20:10
General Edward Lawrence Logan International Airport [BOS]
Wed , 07 Jan 2026
Kolkata
16:50
Netaji Subhash Chandra Bose International Airport [CCU]
Fri, 09 Jan 2026
Boston
20:40
General Edward Lawrence Logan International Airport [BOS]
Wed , 07 Jan 2026
Kolkata
01:55
Netaji Subhash Chandra Bose International Airport [CCU]
Fri, 09 Jan 2026
Boston
20:40
General Edward Lawrence Logan International Airport [BOS]
Wed , 07 Jan 2026
Kolkata
01:55
Netaji Subhash Chandra Bose International Airport [CCU]
Fri, 09 Jan 2026
Boston
20:20
General Edward Lawrence Logan International Airport [BOS]
Wed , 07 Jan 2026
Kolkata
07:45
Netaji Subhash Chandra Bose International Airport [CCU]
Fri, 09 Jan 2026
Boston
20:20
General Edward Lawrence Logan International Airport [BOS]
Wed , 07 Jan 2026
Kolkata
04:40
Netaji Subhash Chandra Bose International Airport [CCU]
Fri, 09 Jan 2026
Boston
18:44
General Edward Lawrence Logan International Airport [BOS]
Wed , 07 Jan 2026
Kolkata
22:25
Netaji Subhash Chandra Bose International Airport [CCU]
Fri, 09 Jan 2026
Boston
10:15
General Edward Lawrence Logan International Airport [BOS]
Wed , 07 Jan 2026
Kolkata
04:15
Netaji Subhash Chandra Bose International Airport [CCU]
Fri, 09 Jan 2026
Boston
15:40
General Edward Lawrence Logan International Airport [BOS]
Wed , 07 Jan 2026
Kolkata
04:15
Netaji Subhash Chandra Bose International Airport [CCU]
Fri, 09 Jan 2026
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