In general, when booking your flight to Fez, May is the cheapest month on average.
From most locations, booking your flights to Fez around 46 days prior to your departure date finds the best deals.
On average, the cheapest flights to Fez are found when departing on a Sunday. Try to avoid departing on a Friday, as this is usually the most expensive day.
Typically, cheap prices to Fez are most often found for afternoon flights. Cheap prices are less likely for evening flights.