In general when looking for the cheapest flight to Thessaloniki, try to book your flight during the month of February for the best deal.
On average, from most locations, when planning your trip to Thessaloniki, try to book your flight in the region of 60 days in advance for the cheapest prices.
From most locations, the cheapest day to fly to Thessaloniki is Wednesday. Most users found that departing on a Friday was most expensive.
Typically, cheap prices to Thessaloniki are most often found for noon flights. Cheap prices are less likely for morning flights.