The nearest airport is ZNV - Koblenz Winningen, located 50.4 km west of Allendorf.
Other airports nearby include FRA - Frankfurt Main (58.6 km south east), ZNF - Hanau Aaf (66.5 km south east), CGN - Cologne Koln Bonn (84.1 km north west), HHN - Frankfurt Hahn (89.8 km south west),