The nearest airport is KHH - Kaohsiung Intl, located 72.7 km north west of Ssu-kou.
Other airports nearby include PIF - Pingtung South (77.2 km north), KYD - Lanyu (84.4 km east), TTT - Fengnin (90.9 km north east), GNI - Green Island Lyudao (106.1 km north east),