The cheapest Belgrade to Tbilisi return flight on the radar right now is €176, flying with Pegasus Airlines via one or more connections. It covers departures in January 2027, and every dated link below opens that exact BEG–TBS search on Skyscanner. Across 8 recorded checks it has ranged between €120 and €177. Our sampling points to January 2027 as the cheapest month to fly Belgrade to Tbilisi.
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 Belgrade? We track 22 other departure cities for Tbilisi, listed at the foot of this page.
Fares move quickly. If this Belgrade to Tbilisi 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.