Core Holidays
Aegean Suites, Megali Ammos

Price by departure month

Per person, 7 nights, 2 adults — cheapest of ten UK airports. Going in May 27 instead of Jun 27 saves £612 per person (44%).
£650£900£1,150£1,400MayJunSep

May 27 in Skiathos averages a daily high of 25°C with about 6 wet days — £31 per °C, per person.