How to Get into Tibet
By Air: Kathmandu to Lhasa from July to October there are every day flights between the Kathmandu and Lhasa. Schedule air services fly from Kathmandu to Lhasa , and back also same. This flight last a little over one hour and gives you a panoramic view of the Himalayas.
By Land: Kathmandu to Lhasa, as with the Qinghai-Tibet Highway, the China-Nepal Friendship Highway is a popular route for travelers. This route brings you close to a number of famous sights, such as Shigatse, Gyantse, and the Everest Base Camp (Tingri)