Yes, it is absolutely safe to travel to Tibet and crime rates are notably low. Tibet is connected by air internationally only through Nepal; there are no direct flights to Tibet’s capital city Lhasa from any other countries in the world. Traveling to Tibet is strictly regulated. A visitor entering from Nepal is required to possess a valid Chinese visa and a Tibet Travel Permit which can be arranged by Himalayan Glacier in Kathmandu. Visa regulations for China and Tibet Travel Permits are subject to change, so it is always better to keep yourself updated before planning a visit to Tibet. It is expected from all visitors to respect while traveling to Tibet as it is an autonomous territory of China.