The nearest airport is KLU - Klagenfurt (Worthersee Intl), located 18.8 km west of Neudenstein.
Other airports nearby include LJU - Ljubliana Ljubljana (46.6 km south), GRZ - Graz (76.5 km north east), MBX - Maribor (86.3 km east), TRS - Ronchi De Legionari Ronchi Dei Legionari (124.0 km south west),