The nearest airport is EAS - San Sebastian, located 32.4 km north east of Gaztelu.
Other airports nearby include PNA - Pamplona (49.0 km south east), BIQ - Biarritz-bayonne Anglet (55.9 km north east), VIT - Vitoria (63.3 km south west), BIO - Bilbao (75.5 km west),