The nearest airport is THL - Tachilek Tachileik, located 109.1 km north west of Ban Sa.
Other airports nearby include MOG - Mong Hsat (156.6 km north west), PRH - Phrae (164.3 km south), LPT - Lampang (174.6 km south west), LPQ - Luang Prabang Luang Phabang Intl (187.8 km east),