The nearest airport is KLU - Klagenfurt (Worthersee Intl), located 2.9 km north of Welzenegg.
Other airports nearby include LJU - Ljubliana Ljubljana (44.7 km south), GRZ - Graz (94.1 km north east), MBX - Maribor (104.9 km east), TRS - Ronchi De Legionari Ronchi Dei Legionari (110.0 km south west),