The nearest airport is GRZ - Graz, located 26.1 km south of Altenhof.
Other airports nearby include MBX - Maribor (82.7 km south), KLU - Klagenfurt (Worthersee Intl) (111.2 km south west), VIE - Vienna Schwechat (126.2 km north east), LJU - Ljubliana Ljubljana (137.7 km south west),