The nearest airport is GRZ - Graz, located 31.3 km east of Krennhof.
Other airports nearby include KLU - Klagenfurt (Worthersee Intl) (73.2 km south west), MBX - Maribor (82.8 km south east), LJU - Ljubliana Ljubljana (105.8 km south west), LNZ - Linz (Horsching) (143.3 km north west),