The nearest airport is TXA - Tlaxcala, located 39.5 km south east of La Unión.
Other airports nearby include PCA - Pachuca Ingeniero Juan Guillermo Villasana (53.3 km north west), PBC - Puebla Hermanos Serdan Intl (78.3 km south), MEX - Mexico City Licenciado Benito Juarez Intl (91.4 km south west), PAZ - Poza Rico Tajin (121.9 km north east),