The cheapest Istanbul Sabiha to Olbia return flight on the radar right now is €185, flying with Pegasus Airlines + Volotea via one or more connections. It covers departures in October 2026, and every dated link below opens that exact SAW–OLB search on Skyscanner. At 97% under the €5,850 we normally record here, it is one of the strongest SAW–OLB fares in our index. Across 37 recorded checks it has ranged between €185 and €6,133. Our sampling points to October 2026 as the cheapest month to fly Istanbul Sabiha to Olbia.
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 Istanbul Sabiha? We track 46 other departure cities for Olbia, 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 Istanbul Sabiha to Olbia is often still worth booking within a day or two of the fare we found.