The nearest airport is KSF - Kassel Calden, located 56.8 km south west of Kohnsen.
Other airports nearby include HAJ - Hannover (70.6 km north), BWE - Braunschweig Wolfsburg (73.3 km north east), ZCN - Celle (85.3 km north), PAD - Paderborn Lippstadt (87.6 km west),