Core Holidays
Astir Odysseus Resort & Spa, Tingaki

Price by departure month

Per person, 7 nights, 2 adults — cheapest of ten UK airports. Going in May 27 instead of Aug 27 saves £379 per person (38%).
£500£650£800£950£1,100MayJunJulAugSepOct

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