In general, October is the cheapest month to fly from United Kingdom to Quepos. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £349. If you don’t want to visit Quepos in October, then you should wait until September to fly from United Kingdom, when ticket prices are also cheap, with an average price of £665.
Currently, Costa Rica travel restrictions include travel to Quepos. Costa Rica has restricted the entry of all travellers who are not nationals and residents of Costa Rica. Travellers who left Costa Rica before 25 March 2020, or after 30 April 2020, and have permanent or temporary residence, special category (Categoria Especial), or non-resident sub-category stay (No Residente Subcategoria Estancia) may still enter the country. All of the above travellers must self-isolate for a period of 14 days upon arrival. Nationals of Austria, Belgium, Bulgaria, Costa Rica, Croatia, Cyprus, Czechia, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland (Rep.), Italy, Latvia, Liechtenstein, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, or the United Kingdom may still transit through the country. If you are planning to travel to Quepos at this time, it is recommended that you stay up to date on current restrictions and follow proper safety measures while in public.