The nearest airport is GRZ - Graz, located 27.0 km north of Mantrach.
Other airports nearby include MBX - Maribor (37.2 km south east), KLU - Klagenfurt (Worthersee Intl) (82.1 km west), LJU - Ljubliana Ljubljana (93.0 km south west), ZAG - Zagreb (123.3 km south east),