The nearest airport is GRZ - Graz, located 52.3 km south east of Kaisersberg.
Other airports nearby include KLU - Klagenfurt (Worthersee Intl) (90.5 km south west), MBX - Maribor (109.6 km south east), LNZ - Linz (Horsching) (115.8 km north west), LJU - Ljubliana Ljubljana (129.3 km south),