The nearest airport is OAX - Oaxaca Xoxocotlan Intl, located 89.6 km north west of La Unión.
Other airports nearby include HUX - Bahias Dehuatulco Bahias De Huatulco Intl (94.5 km south), PXM - Puerto Escondido Intl (140.6 km south west), MTT - Minatitlan (225.4 km north east), TCN - Tehuacan (259.2 km north west),