Core Holidays
Grand Blue Beach Hotel, Kardamena

Price by departure month

Per person, 7 nights, 2 adults — cheapest of ten UK airports. Going in May 27 instead of Aug 27 saves £378 per person (33%).
£650£800£950£1,100£1,250MayJunJulAugSepOct

May 27 in Kos averages a daily high of 23°C with about 4 wet days — £34 per °C, per person.