A Spanish charter airline Iberojet offers very cheap non-stop flights from Madrid to San Jose, Costa Rica available for €471. The base fare is including all airport taxes and fees, onboard meals and handbags. Checked luggage for an additional fee. Currently, the cheapest deals are in Q1 of 2023 which is the main tourist season and the best time to explore this country in Central America.
Flying from: Madrid
Flying to: Havana
Travel period: February to May 2023
Max stay: 12 months
Book by: 28th of November
Booking sample of cheap non-stop flights from Spain to Costa Rica for €471! As per the above link, you would depart from Madrid to San Jose on the 2nd of May. Inbound flight from Central America back to Spain on the 9th of May 2022.