The nearest airport is TGZ - Tuxtla Gutierrez Angel Albino Corzo, located 92.7 km west of San Martín.
Other airports nearby include VSA - Villahermosa C P A Carlos Rovirosa Intl (140.4 km north west), CME - Ciudad Del Carmen Intl (202.7 km north), CBV - Coban (247.8 km south east),