The nearest airport is KLU - Klagenfurt (Worthersee Intl), located 10.3 km north west of Kossiach.
Other airports nearby include LJU - Ljubliana Ljubljana (38.4 km south), GRZ - Graz (91.1 km north east), MBX - Maribor (97.8 km east), TRS - Ronchi De Legionari Ronchi Dei Legionari (110.0 km south west),