September is by far the best month, wherein you can get cheapest flights for Kathmandu to Kolkata Air India. Meanwhile, September 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 September- During this month the footfall is less so, the flight is gradually inexpensive.
Round Way Fare September - is the cheapest month to book round trip flights.
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.
KTM
21:00
Kathmandu Tribhuvan International Airport
Thu , 28 Aug 2025
CCU
04:15
Kolkata Netaji Subhash Chandra Bose International Airport
Fri, 29 Aug 2025
KTM
07:35
Kathmandu Tribhuvan International Airport
Mon , 25 Aug 2025
CCU
15:05
Kolkata Netaji Subhash Chandra Bose International Airport
Mon, 25 Aug 2025
KTM
14:00
Kathmandu Tribhuvan International Airport
Thu , 28 Aug 2025
CCU
19:45
Kolkata Netaji Subhash Chandra Bose International Airport
Thu, 28 Aug 2025
KTM
17:30
Kathmandu Tribhuvan International Airport
Fri , 22 Aug 2025
CCU
23:30
Kolkata Netaji Subhash Chandra Bose International Airport
Fri, 22 Aug 2025
To crack the better offer on Kathmandu to Kolkata Air India , 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.
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The aerial distance between Kathmandu and Kolkata is 1148 Kms only and hence, we would advise you to board a direct Air India to your destination. You can also board an indirect flight to add a pit stop on your journey. The direct Indigo Airlines takes an average of 06:21 of time to reach the destination.
Currently, the majority of the Kathmandu to Kolkata Air India are direct and hence, you can expect to reach your destination in a matter of a couple of hours. However, there are a few Air India with stopovers. You can choose to layover either at Ahmedabad or Bangalore depending upon your preference and budget.
Additionally, Tribhuvan International Airport Kathmandu and Netaji Subhash Chandra Bose International Airport Kolkata are the nearest and major airports for your travel and if you are looking forward to saving money on your flight ticket, then a round trip is what you should go for.
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So, if you are looking forward to booking your flight ticket from Kathmandu (KTM) to Kolkata (CCU) on Air India, try EaseMyTrip today.