The nearest airport is GRZ - Graz, located 35.3 km north west of Kühgraben.
Other airports nearby include MBX - Maribor (45.2 km south), KLU - Klagenfurt (Worthersee Intl) (119.4 km west), ZAG - Zagreb (125.9 km south), LJU - Ljubliana Ljubljana (129.6 km south west),