The nearest airport is GRZ - Graz, located 30.4 km north west of Wiersdorf.
Other airports nearby include MBX - Maribor (38.7 km south), KLU - Klagenfurt (Worthersee Intl) (110.3 km west), LJU - Ljubliana Ljubljana (120.0 km south west), ZAG - Zagreb (122.7 km south),