The nearest airport is MXN - Morlaix Ploujean, located 28.3 km north of Brennilis.
Other airports nearby include BES - Brest Guipavas (43.5 km west), UIP - Quimper Pluguffan (47.9 km south west), LAI - Lannion (52.9 km north east), LRT - Lorient Lann Bihoue (72.3 km south east),