The nearest airport is GRZ - Graz, located 37.9 km north west of Weißenberg.
Other airports nearby include MBX - Maribor (39.9 km south), KLU - Klagenfurt (Worthersee Intl) (118.5 km west), ZAG - Zagreb (120.4 km south), LJU - Ljubliana Ljubljana (126.6 km south west),