There is a great experience in attending a play in Siracusa at the annual theater festival. Here is a flight with wizzair subscription. I recommend you to rent a car and have a tour of the island. Check AirBnb for great accommodations on the beach. Check our other resources about Sicily.
Note that we are not an online tourism agent and do not provide services of any commercial type. We just share what we find and give you suggestions about great destinations in the best periods. Just follow the link to book by yourself.