The nearest airport is KLU - Klagenfurt (Worthersee Intl), located 7.3 km south west of Possau.
Other airports nearby include LJU - Ljubliana Ljubljana (53.3 km south), GRZ - Graz (86.8 km east), MBX - Maribor (102.8 km east), TRS - Ronchi De Legionari Ronchi Dei Legionari (119.7 km south west),