The cheapest Glasgow to Sal return flight on the radar right now is £166, flying with TUI non-stop. It covers departures in October 2026, and every dated link below opens that exact GLA–SID search on Skyscanner. That is roughly 11% below the £187 this route usually costs. Across 91 recorded checks it has ranged between £147 and £703. Our sampling points to October 2026 as the cheapest month to fly Glasgow to Sal.
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 Glasgow? We track 57 other departure cities for Sal, listed at the foot of this page.
Fares move quickly. If this Glasgow to Sal 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.