days in Everest base camp trek

The famous Everest Base Camp Trek is 12 days. However, the Everest Region has trips ranging from half-day for the EBC Heli tour to 5-6 days for short heli treks. Then there are the treks with high passes that can be as long as up to 18 days. However, before you can calculate the total days to block off, you have to factor in your international flights, Kathmandu stay, and buffer days.