The nearest airport is ZNV - Koblenz Winningen, located 66.2 km south west of Allendorf.
Other airports nearby include CGN - Cologne Koln Bonn (74.5 km west), ZCA - Arnsberg Menden (84.0 km north), FRA - Frankfurt Main (84.5 km south), ZNF - Hanau Aaf (85.0 km south east),