The nearest airport is KLU - Klagenfurt (Worthersee Intl), located 17.2 km north west of Horzach.
Other airports nearby include LJU - Ljubliana Ljubljana (38.6 km south), GRZ - Graz (83.8 km north east), MBX - Maribor (89.0 km east), TRS - Ronchi De Legionari Ronchi Dei Legionari (116.0 km south west),