The cheapest Geneva to Bastia return flight on the radar right now is €451, flying with Lufthansa + Air France via one or more connections. It covers departures in November 2026, and every dated link below opens that exact GVA–BIA search on Skyscanner. The price we usually record on this route is €348. Across 57 recorded checks it has ranged between €230 and €494. Our sampling points to November 2026 as the cheapest month to fly Geneva to Bastia.
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 Geneva? We track 38 other departure cities for Bastia, 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; Geneva to Bastia is usually still decent value around the same window.