Most travellers find the cheapest return flights to Kathmandu when choosing a flight departing in May.
Most flyers found that booking flight tickets 60 days in advance of their planned departure date is, on average, the best time to get cheap flights to Kathmandu.
In general, booking your departure to Kathmandu for a Sunday represents the best deal on airfare. Try to avoid a Friday departure to stay away from the highest prices.
Typically, cheap prices to Kathmandu are most often found for midday flights. Cheap prices are less likely for morning flights.