The nearest airport is MHQ - Mariehamn, located 61.2 km east of Flottskär.
Other airports nearby include ARN - Stockholm Arlanda (61.8 km south west), BMA - Stockholm Bromma (83.0 km south west), GVX - Gavle (129.0 km north west), NYO - Stockholm Skavsta (169.2 km south west),