Not recommended for travelers with spinal injuries

Not recommended for pregnant travelers

Not recommended for travelers with poor cardiovascular health

Travelers should have a high level of physical fitness

The weather in Lukla is unpredictable and always changing. Sometimes due to bad weather, sometimes the flight may be delayed or cancelled. If the flight is cancelled, you will have to return back to the hotel. The transportation back to the hotel and accommodation on this night is not included. You will have to pay additional for this yourself. If the weather is clear next day, you will get either 3rd or 4th flight to Lukla. If still the weather is not clear, there will be option for helicopter flight also. The cost for helicopter flight is not fixed. It will be quoted by the airlines on the same day. The airlines will use your flight ticket plus, you will have to pay additional approx 150 to 200 USD. The total cost for helicopter flight is 300 USD approx. You will have to pay additional 150 USD combining your Lukla flight ticket. The weather problem is rare, it only happens sometimes. But you need to know this information in case the weather goes bad. This does not happens all the time, this is only a important information you need to know.