Core Holidays
Poseidon Villas, Megali Ammos

Price by departure month

Per person, 7 nights, 2 adults — cheapest of ten UK airports. Going in May 27 instead of Jul 27 saves £481 per person (44%).
£500£700£900£1,100MayJunJulAugSepOct

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