Core Holidays
Ionis Hotel, Peratata

Price by departure month

Per person, 7 nights, 2 adults — cheapest of ten UK airports. Going in Jun 27 instead of May 27 saves £37 per person (7%).
£400£450£500£550MayJunJulAugSep

Jun 27 in Kefalonia averages a daily high of 31°C with about 3 wet days — £15 per °C, per person.