The cheapest Barcelona to San Jose return flight on the radar right now is €912, flying with Air Canada + Lufthansa via one or more connections. It covers departures in November 2026, and every dated link below opens that exact BCN–SJO search on Skyscanner. The price we usually record on this route is €810. Across 102 recorded checks it has ranged between €512 and €1,401. Our sampling points to November 2026 as the cheapest month to fly Barcelona to San Jose.
Every fare here is re-confirmed against Skyscanner automatically, and each one is stamped with the moment it was last checked, so you can see how fresh it is instead of taking it on trust. Not flying from Barcelona? We track 55 other departure cities for San Jose, listed at the foot of this page.
Fares move quickly. If this Barcelona to San Jose price has gone by the time you search, shift the dates a day or two either side, because the same route is often still cheap just next door.