The cheapest Bucharest to San Jose return flight on the radar right now is €1,202, flying with Air France via one or more connections. It covers departures in March 2027, and every dated link below opens that exact OTP–SJO search on Skyscanner. The price we usually record on this route is €990. Across 45 recorded checks it has ranged between €803 and €1,270. Our sampling points to March 2027 as the cheapest month to fly Bucharest 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 Bucharest? We track 55 other departure cities for San Jose, listed at the foot of this page.
Fares move quickly. If this Bucharest 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.