The nearest airport is KLU - Klagenfurt (Worthersee Intl), located 41.6 km south west of Heft.
Other airports nearby include GRZ - Graz (60.0 km east), LJU - Ljubliana Ljubljana (81.8 km south), MBX - Maribor (94.4 km south east), LNZ - Linz (Horsching) (147.3 km north),