The nearest airport is GRZ - Graz, located 18.1 km east of Grubberg.
Other airports nearby include MBX - Maribor (61.9 km south east), KLU - Klagenfurt (Worthersee Intl) (74.5 km south west), LJU - Ljubliana Ljubljana (98.0 km south west), ZAG - Zagreb (147.7 km south east),