Core Holidays
Hotel Benikaktus, Benidorm

Price by departure month

Per person, 7 nights, 2 adults — cheapest of ten UK airports. Going in Jan 27 instead of Aug 27 saves £461 per person (55%).
£250£450£650£850DecJanFebMarAprMayJunJulAugSepOctDecJanFebMarApr

Jan 27 in Costa Blanca averages a daily high of 15°C with about 4 wet days — £25 per °C, per person.