The nearest airport is GRZ - Graz, located 14.6 km north of Unterhaus.
Other airports nearby include MBX - Maribor (45.3 km south), KLU - Klagenfurt (Worthersee Intl) (92.2 km west), LJU - Ljubliana Ljubljana (107.2 km south west), ZAG - Zagreb (132.4 km south),