The nearest airport is EAS - San Sebastian, located 40.8 km north east of San Martín.
Other airports nearby include PNA - Pamplona (46.3 km south east), VIT - Vitoria (56.8 km west), BIQ - Biarritz-bayonne Anglet (64.1 km north east), BIO - Bilbao (74.1 km west),