The nearest airport is SJO - San Jose Juan Santamaria Intl, located 36.6 km north west of Sierra.
Other airports nearby include XQP - Quepos La Managua (37.6 km south west), PMZ - Palmar Sur (104.9 km south east), LIO - Limon Intl (107.9 km east), GLF - Golfito (149.9 km south east),