The nearest airport is PDS - Piedras Negras Intl, located 25.4 km south east of San Isidro.
Other airports nearby include DLF - Del Rio Laughlin Afb (59.6 km north), LRD - Laredo Intl (184.5 km south east), NLD - Nuevo Laredo Quetzalcoatl Intl (187.0 km south east), LOV - Monclova Intl (223.2 km south),