The nearest airport is LNZ - Linz (Horsching), located 108.0 km south east of Klessing.
Other airports nearby include MUC - Munich Munchen (123.5 km south west), SZG - Salzburg (129.4 km south), KLV - Karlovy Vary (140.9 km north), PRG - Prague Ruzyne (149.2 km north east),