- Udomxay Airport, also known as Oudomsay Airport, is a small domestic airport located in Oudomsay Province, Laos. The airport is situated about 3 kilometers southwest of the city of Oudomsay. It serves as a gateway to the northern region of Laos, providing domestic flights to and from other major cities in Laos, such as Vientiane and Luang Prabang. The airport has basic facilities and services, including a small terminal building, parking areas, and a runway.