Often the Kathmandu-Lukla-Kathmandu flight gets delayed by a few hours or may even be canceled for one, two, or more days due to unfavorable weather conditions. Such conditions may arise even in the best seasons. Hence, in such cases, you must be prepared for long waits both at Kathmandu or Lukla airports, as this can happen either at the start or end of the trek or even both! We do our utmost to avoid such delays, and fix you on next flight. Still, we suggest you to be prepared for possible delays/cancellation, and if possible to come with some extra buffer days (1-2 days) at the end of the trip to accommodate such delays. We also organize heli rescue in such conditions, if it's available and upon request by our clients. The helicopter charges around USD 4400 and it can lift 4-5 persons per flight. If everything runs smoothly and if interested, you can also enjoy other activities like sightseeing, rafting, wildlife activities, shopping, etc during your buffer days.