The nearest airport is CRL - Charleroi Brussels South, located 45.3 km east of Hornu.
Other airports nearby include LIL - Lille Lesquin (53.5 km west), QKT - Kortrijk-vevelgem Wevelgem (60.8 km north west), BRU - Brussels Natl (Melsbroek) (70.3 km north east), ANR - Antwerp Deurne (95.6 km north east),