Due to multiple factors, expect to potentially pay more when booking in January. For low rates, December can be a great choice for travel to Thera. Flights to Thera from Orlando Airport in December are about $1,201 on average during December, but can be found for as low as $452.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Orlando Airport to Thera as you normally would.