Core Holidays
Mandraki Village Hotel, Koukounaries

Price by departure month

Per person, 7 nights, 2 adults — cheapest of ten UK airports. Going in May 27 instead of Aug 27 saves £498 per person (45%).
£500£700£900£1,100SepMayJunJulAugSep

May 27 in Skiathos averages a daily high of 25°C with about 6 wet days — £24 per °C, per person.