The nearest airport is CQF - Calais Dunkerque, located 49.0 km north west of Liettres.
Other airports nearby include LTQ - Le Tourquet Le Touquet Paris Plage (52.5 km west), LIL - Lille Lesquin (52.5 km east), QKT - Kortrijk-vevelgem Wevelgem (65.0 km east), OST - Oostende (75.7 km north east),