The best month to arrive at Kathmandu is December and the most expensive month to fly is October. (Average prices, based on 249 datapoints.)
The best day to arrive at Kathmandu is Sunday and it would be best to avoid Thursday, as prices are on average 50.97% higher than on Sunday. (Average prices, based on 249 datapoints.)
The cheapest airline flying to Kathmandu is Malindo Air. They are 36% cheaper than Nepal Airlines. (Average prices, based on 253 datapoints.)