The nearest airport is TPE - Taipei Chiang Kai Shek Intl, located 31.0 km north of Ko-se.
Other airports nearby include TSA - Taipei Sungshan (41.5 km north east), HUN - Hualien (93.1 km south), CYI - Chiayi (172.8 km south west), OGN - Yonaguni Jima Yonaguni (177.1 km east),