The nearest airport is RYN - Royan Medis, located 28.8 km north of Port-de-By.
Other airports nearby include CNG - Cognac Chateaubernard (51.6 km north east), RCO - Rochefort St Agnant (57.0 km north), BOD - Bordeaux Merignac (62.6 km south), XAC - Arcachon La Teste De Buch (89.8 km south),