The cheapest Prague to San Jose return flight on the radar right now is €876, flying with Air Canada + SWISS via one or more connections. It covers departures in November 2026, and every dated link below opens that exact PRG–SJO search on Skyscanner. Across 72 recorded checks it has ranged between €782 and €1,075. Our sampling points to November 2026 as the cheapest month to fly Prague to San Jose.
Prices are re-checked against Skyscanner automatically, and every one shows when it was last confirmed, so nothing here is older than it looks. Not flying from Prague? We track 46 other departure cities for San Jose, listed at the foot of this page.
Prices like this tend to vanish fast. If it has gone when you look, try the days either side of the dates above, since Prague to San Jose is often still worth booking within a day or two of the fare we found.