The nearest airport is KLU - Klagenfurt (Worthersee Intl), located 37.0 km south west of Kötsch.
Other airports nearby include GRZ - Graz (57.3 km east), LJU - Ljubliana Ljubljana (72.4 km south), MBX - Maribor (84.8 km south east), TRS - Ronchi De Legionari Ronchi Dei Legionari (148.6 km south west),