The nearest airport is LNZ - Linz (Horsching), located 80.3 km north of Hallweg.
Other airports nearby include GRZ - Graz (96.1 km south east), KLU - Klagenfurt (Worthersee Intl) (99.4 km south), SZG - Salzburg (112.4 km west), LJU - Ljubliana Ljubljana (145.6 km south),