The nearest airport is PCA - Pachuca Ingeniero Juan Guillermo Villasana, located 52.8 km west of San Alejo.
Other airports nearby include TXA - Tlaxcala (68.7 km south), PAZ - Poza Rico Tajin (99.4 km north east), PBC - Puebla Hermanos Serdan Intl (110.2 km south), MEX - Mexico City Licenciado Benito Juarez Intl (114.3 km south west),