Core Holidays
Cleopatra Superior, Kardamena

Price by departure month

Per person, 7 nights, 2 adults — cheapest of ten UK airports. Going in May 27 instead of Sep 27 saves £87 per person (18%).
£350£400£450£500£550MayJunJulAugSepOct

May 27 in Kos averages a daily high of 23°C with about 4 wet days — £17 per °C, per person.