Breakfast at hotel. Check out and transfer to Athens Airport and take the domestic flight to Santorini. Santorini Island in the southern Aegean Sea, about 200 km (120 mi) southeast of Greece's mainland. It is the largest island of a  small, circular archipelago, which bears the same name and is the remnant of a volcanic caldera. It forms the southernmost member of the Cyclades group of islands

Upon arrival in Santorini. Check in to hotel. Free and overnight.