The nearest airport is EDM - La Roche-sur-yon Les Ajoncs, located 29.0 km north west of Chasnais.
Other airports nearby include NIT - Niort Souche (65.0 km east), RCO - Rochefort St Agnant (66.8 km south), CET - Cholet Le Pontreau (73.2 km north), NTE - Nantes Atlantique (82.0 km north),