The cheapest Glasgow to Bastia return flight on the radar right now is £274, flying with British Airways + Air Corsica via one or more connections. It covers departures in July 2027, and every dated link below opens that exact GLA–BIA search on Skyscanner. At 45% under the £501 we normally record here, it is one of the strongest GLA–BIA fares in our index. Across 10 recorded checks it has ranged between £269 and £1,472. Our sampling points to July 2027 as the cheapest month to fly Glasgow to Bastia.
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 Glasgow? We track 40 other departure cities for Bastia, 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 Glasgow to Bastia is often still worth booking within a day or two of the fare we found.