Most travellers find the cheapest return flights to Kathmandu when choosing a flight departing in June.
On average, from most locations, when planning your trip to Kathmandu, try to book your flight in the region of 56 days in advance for the cheapest prices.
On average, the cheapest flights to Kathmandu are found when departing on a Monday. Try to avoid departing on a Saturday, as this is usually the most expensive day.
Typically, cheap prices to Kathmandu are most often found for evening flights. Cheap prices are less likely for morning flights.