Core Holidays
Yadim Sto Lofo, Kolios

Price by departure month

Per person, 7 nights, 2 adults — cheapest of ten UK airports. Going in May 27 instead of Jun 27 saves £234 per person (35%).
£350£450£550£650£750MayJunJulAugSep

May 27 in Skiathos averages a daily high of 25°C with about 6 wet days — £17 per °C, per person.