The nearest airport is MBX - Maribor, located 33.0 km south east of Altenbach.
Other airports nearby include GRZ - Graz (38.8 km north), KLU - Klagenfurt (Worthersee Intl) (76.2 km west), LJU - Ljubliana Ljubljana (82.3 km south west), ZAG - Zagreb (115.7 km south east),