The nearest airport is SGD - Soenderborg Sonderborg, located 13.5 km north west of Østerby.
Other airports nearby include KEL - Kiel Holtenau (56.2 km south), SKS - Skrydstrup (57.8 km north west), ODE - Odense (72.9 km north), GWT - Westerland Sylt (101.3 km west),