The nearest airport is KLU - Klagenfurt (Worthersee Intl), located 13.4 km east of Gradenegg.
Other airports nearby include LJU - Ljubliana Ljubljana (54.1 km south east), GRZ - Graz (103.6 km east), TRS - Ronchi De Legionari Ronchi Dei Legionari (107.6 km south west), MBX - Maribor (118.3 km east),