The nearest airport is GRZ - Graz, located 27.2 km east of Herzogberg.
Other airports nearby include KLU - Klagenfurt (Worthersee Intl) (67.4 km south west), MBX - Maribor (71.1 km south east), LJU - Ljubliana Ljubljana (95.5 km south west), ZAG - Zagreb (155.7 km south east),