The nearest airport is KLU - Klagenfurt (Worthersee Intl), located 23.3 km south west of Diex.
Other airports nearby include LJU - Ljubliana Ljubljana (59.5 km south), GRZ - Graz (69.4 km north east), MBX - Maribor (88.5 km east), TRS - Ronchi De Legionari Ronchi Dei Legionari (134.4 km south west),