Always remember to book extra personal days. Staying for a few days towards the end of the voyage is preferred. Due to severe weather, flights from Lukla to Kathmandu are frequently delayed. In exceptional circumstances, there may be no flights for a whole day. Extra days are required for the trip to the Everest region to avoid missing your international flight home. Fortunately, you can extend your stay in Nepal if you don't miss any flights. You can visit additional tourist attractions and locations.