Core Holidays
Casaly Hotel & Spa, Argostoli

Price by departure month

Per person, 7 nights, 2 adults — cheapest of ten UK airports. Going in May 27 instead of Aug 27 saves £473 per person (28%).
£1,100£1,300£1,500£1,700MayJunJulAugSepOct

May 27 in Kefalonia averages a daily high of 26°C with about 4 wet days — £46 per °C, per person.