The nearest airport is GRZ - Graz, located 41.4 km west of Unterstang.
Other airports nearby include MBX - Maribor (60.4 km south), KLU - Klagenfurt (Worthersee Intl) (131.2 km west), VIE - Vienna Schwechat (132.8 km north), ZAG - Zagreb (138.0 km south),