The nearest airport is MXN - Morlaix Ploujean, located 21.4 km east of Trémagon.
Other airports nearby include BES - Brest Guipavas (27.0 km south west), LAI - Lannion (50.8 km north east), UIP - Quimper Pluguffan (66.0 km south), SBK - St.-brieuc Armor Armor (92.0 km east),