The nearest airport is KSF - Kassel Calden, located 57.0 km west of Flinsberg.
Other airports nearby include ERF - Erfurt (65.9 km south east), PAD - Paderborn Lippstadt (113.8 km west), BWE - Braunschweig Wolfsburg (114.5 km north), HAJ - Hannover (131.9 km north),