The nearest airport is RNS - Rennes St Jacques, located 30.9 km north of Tréguily.
Other airports nearby include SNR - St.-nazaire Montoir (59.2 km south west), VNE - Vannes Meucon (66.9 km west), NTE - Nantes Atlantique (73.8 km south), LVA - Laval Entrammes (85.5 km east),