May is by far the best month, wherein you can get cheapest flights for Kathmandu to Kolkata. Meanwhile, November 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 May- During this month the footfall is less so, the flight is gradually inexpensive.
Round Trip Fare May - 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.
Kathmandu
12:30
Tribhuvan International Airport [KTM]
Sat , 30 May 2026
Kolkata
17:45
Netaji Subhash Chandra Bose International Airport [CCU]
Sat, 30 May 2026
Kathmandu
06:45
Tribhuvan International Airport [KTM]
Sat , 30 May 2026
Kolkata
15:20
Netaji Subhash Chandra Bose International Airport [CCU]
Sat, 30 May 2026
Kathmandu
14:40
Tribhuvan International Airport [KTM]
Sat , 30 May 2026
Kolkata
20:20
Netaji Subhash Chandra Bose International Airport [CCU]
Sat, 30 May 2026
Kathmandu
20:50
Tribhuvan International Airport [KTM]
Sat , 30 May 2026
Kolkata
09:40
Netaji Subhash Chandra Bose International Airport [CCU]
Sun, 31 May 2026
Kathmandu
16:40
Tribhuvan International Airport [KTM]
Sat , 30 May 2026
Kolkata
00:05
Netaji Subhash Chandra Bose International Airport [CCU]
Sun, 31 May 2026
Kathmandu
19:55
Tribhuvan International Airport [KTM]
Sat , 30 May 2026
Kolkata
00:30
Netaji Subhash Chandra Bose International Airport [CCU]
Mon, 01 Jun 2026
Kathmandu
13:30
Tribhuvan International Airport [KTM]
Sat , 30 May 2026
Kolkata
00:45
Netaji Subhash Chandra Bose International Airport [CCU]
Sun, 31 May 2026
To crack the better offer on Kathmandu 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 Kathmandu 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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Typically, the non-stop flights from Kathmandu to Kolkata are approximately 640 Km and direct flights take around 10:40 hrs to reach the destination seamlessly.
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