Core Holidays
Dionysos Village Resort, Lassi

Price by departure month

Per person, 7 nights, 2 adults — cheapest of ten UK airports. Going in May 27 instead of Jul 27 saves £221 per person (33%).
£350£450£550£650£750MayJunJulAugSep

May 27 in Kefalonia averages a daily high of 26°C with about 4 wet days — £17 per °C, per person.