The nearest airport is BRU - Brussels Natl (Melsbroek), located 19.2 km north west of Ottenburg.
Other airports nearby include CRL - Charleroi Brussels South (34.3 km south), ANR - Antwerp Deurne (50.1 km north), LGG - Liege (59.7 km east), WOE - Woensdrecht (80.1 km north),