1. Athens (ATH): Approximately 11 hours and 30 minutes (non-stop)
2. Crete (HER): Approximately 12 hours and 15 minutes (non-stop)
3. Mykonos (JMK): Approximately 12 hours and 30 minutes (non-stop)
4. Santorini (JTR): Approximately 12 hours and 45 minutes (non-stop)
5. Rhodes (RHO): Approximately 13 hours (non-stop)
Please note that these flight times are approximate and may vary due to factors such as flight routes, airline schedules, weather conditions, and air traffic control. For the most up-to-date flight times and schedules, it's best to check directly with the airline or travel agency you plan to book your flight with.