The nearest airport is KLU - Klagenfurt (Worthersee Intl), located 6.6 km north of Zwanzgerberg.
Other airports nearby include LJU - Ljubliana Ljubljana (40.8 km south), GRZ - Graz (94.7 km north east), MBX - Maribor (103.1 km east), TRS - Ronchi De Legionari Ronchi Dei Legionari (107.9 km south west),