From most locations, the cheapest flights to Greece can be found during the month of November; however great deals can be found at other times.
In general, most flyers find the cheapest time to book a flight to Greece is about 55 days prior.
In general, booking your departure to Greece for a Monday represents the best deal on airfare. Try to avoid a Friday departure to stay away from the highest prices.
Typically, cheap prices to Greece are most often found for morning flights. Cheap prices are less likely for afternoon flights.