The cheapest Sofia to Beijing return flight on the radar right now is €782, flying with Lufthansa + Air China via one or more connections. It covers departures in October 2026, and every dated link below opens that exact SOF–PEK search on Skyscanner. The price we usually record on this route is €715. Across 73 recorded checks it has ranged between €585 and €1,277. Our sampling points to October 2026 as the cheapest month to fly Sofia to Beijing.
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 Sofia? We track 58 other departure cities for Beijing, 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 Sofia to Beijing is often still worth booking within a day or two of the fare we found.