The cheapest Sofia to Sao Paulo return flight on the radar right now is €715, flying with Lufthansa via one or more connections. It covers departures in March 2027, and every dated link below opens that exact SOF–GRU search on Skyscanner. That is roughly 10% below the €794 this route usually costs. Across 71 recorded checks it has ranged between €660 and €847. Our sampling points to March 2027 as the cheapest month to fly Sofia to Sao Paulo.
We do not post a price and leave it to age. Each fare is re-checked against Skyscanner on a schedule and carries the time it was last confirmed. Not flying from Sofia? We track 53 other departure cities for Sao Paulo, listed at the foot of this page.
Cheap fares do not hang around. If this one has already gone, nudge the dates either way by a day or two; Sofia to Sao Paulo is usually still decent value around the same window.