The nearest airport is SGD - Soenderborg Sonderborg, located 55.0 km north east of Ostenau.
Other airports nearby include GWT - Westerland Sylt (63.5 km north west), KEL - Kiel Holtenau (67.7 km south east), SKS - Skrydstrup (68.0 km north), EBJ - Esbjerg (108.9 km north),