We will fly to Rhodes, take a bus down to the harbor and a ferry to the Symi island. You will book your own flight to Rhodes ( www.momondo.com), take the local bus to the harbor and the ferry to the Symi Island. It’s all very simple. Transport by bus and ferry over costs approx. Euros 55 return ticket. There are always some who have tried it many times before, so hook up with each other.