The nearest airport is LRT - Lorient Lann Bihoue, located 45.5 km south of Kerdoupin.
Other airports nearby include UIP - Quimper Pluguffan (53.0 km south west), MXN - Morlaix Ploujean (53.4 km north west), SBK - St.-brieuc Armor Armor (64.1 km north east), LAI - Lannion (65.4 km north),