The nearest airport is OAX - Oaxaca Xoxocotlan Intl, located 52.5 km south east of La Unión.
Other airports nearby include TCN - Tehuacan (138.3 km north), PXM - Puerto Escondido Intl (155.3 km south), HUX - Bahias Dehuatulco Bahias De Huatulco Intl (190.3 km south east), VER - Vera Cruz General Heriberto Jara Intl (229.1 km north east),