Core Holidays
Zeus Kos Beach formerly Ammos Luxury Resort, Mastichari

Price by departure month

Per person, 7 nights, 2 adults — cheapest of ten UK airports. Going in May 27 instead of Jul 27 saves £383 per person (36%).
£550£700£850£1,000£1,150MayJunJulAugSepOct

May 27 in Kos averages a daily high of 23°C with about 4 wet days — £30 per °C, per person.