The nearest airport is LNZ - Linz (Horsching), located 36.7 km west of Riegl.
Other airports nearby include SZG - Salzburg (137.4 km south west), VIE - Vienna Schwechat (145.1 km east), GRZ - Graz (162.3 km south), KLU - Klagenfurt (Worthersee Intl) (191.3 km south),