The nearest airport is ZNF - Hanau Aaf, located 59.5 km south east of Aßlar.
Other airports nearby include FRA - Frankfurt Main (64.0 km south), ZNV - Koblenz Winningen (73.3 km south west), CGN - Cologne Koln Bonn (98.0 km west), ZCA - Arnsberg Menden (106.0 km north),