The nearest airport is TPE - Taipei Chiang Kai Shek Intl, located 58.5 km north east of Hsi-ai-tzu.
Other airports nearby include TSA - Taipei Sungshan (78.9 km north east), HUN - Hualien (94.4 km south east), CYI - Chiayi (139.9 km south west), MZG - Makung Magong (177.6 km south west),