The nearest airport is KLU - Klagenfurt (Worthersee Intl), located 36.3 km south west of Kienberg.
Other airports nearby include GRZ - Graz (56.2 km north east), LJU - Ljubliana Ljubljana (66.6 km south), MBX - Maribor (78.1 km south east), TRS - Ronchi De Legionari Ronchi Dei Legionari (145.7 km south west),