Based on flight volume data, Lhasa is the most popular airport that Tibet Airlines uses. Chengdu and Xining Caojiabao are the next two most visited by Tibet Airlines.
The cheapest round-trip flight with Tibet Airlines within the country is flying Chengdu to Harbin. Expect to pay around 14,252,172 ₫ per ticket. This route tends to have 0 stops. The cheapest domestic one-way flight with Tibet Airlines that we could find is flying from Chengdu to Kunming Changshui. This flight has 0 stops and costs about 1,901,855 ₫ per ticket.
Tibet Airlines does not have flights from Ho Chi Minh City - you will need to fly out of Sanya Phoenix Intl instead. However, you could fly from Ho Chi Minh City with Sichuan Airlines or another airline.