The nearest airport is SZG - Salzburg, located 64.1 km west of Grundlsee.
Other airports nearby include LNZ - Linz (Horsching) (73.9 km north), KLU - Klagenfurt (Worthersee Intl) (115.3 km south), GRZ - Graz (141.1 km south east), LJU - Ljubliana Ljubljana (162.4 km south),