13 airports: Attapeu International Airport, Khong Island Airport, Louang Namtha Airport, Luang Prabang International Airport, Nathong Airport[1], Oudomsay Airport, Pakse International Airport, Salavan Airport[1], Savannakhet Airport, Sayaboury Airport, Thakhek Airport[1], Wattay International Airport, Xieng Khouang Airport.