The nearest airport is GRZ - Graz, located 35.7 km north west of Trössingberg.
Other airports nearby include MBX - Maribor (39.1 km south), KLU - Klagenfurt (Worthersee Intl) (115.9 km west), ZAG - Zagreb (120.7 km south), LJU - Ljubliana Ljubljana (124.5 km south west),