The nearest airport is LRH - La Rochelle Lherm, located 31.5 km north of Castex.
Other airports nearby include TLS - Toulouse Blagnac (51.6 km north), CCF - Carcassonne Salvaza (82.0 km east), DCM - Castres Mazamet (91.1 km north east), LEU - Seo De Urgel (92.4 km south),