By air: Flights from Vientiane to Luang Namtha depart 3 times per week (Monday, Wednesday and Friday and take one hour.
By bus: From Vientiane (Northern bus station) to Luang Namtha via Luang Prabang takes about 24 hours.
By bus/minivan from Houaxai to Luang Namtha about 3.5 hours at 55,000-65,000 LAK a seat.
From Luang Namtha small buses depart several times a day at a small bus station near the Lao Airline Office.
From Muang Sing small buses or song taews (pickup trucks with benches) go to Xieng Kok and Muang Long. To get around Muang Sing tuk-tuks are readily available at the morning market. Bicycles can be rented in town. There is no local public transport in town.