The nearest airport is SCN - Saarbruecken Saarbrucken, located 31.1 km south east of Diefflen.
Other airports nearby include LUX - Luxemburg Luxembourg (48.6 km north west), ZQF - Trier Fohren (55.3 km north), MZM - Metz Frescaty (55.7 km south west), ETZ - Metz Nancy Lorraine (56.1 km south west),