The cheapest Glasgow to Lima return flight on the radar right now is £628, flying with KLM via one or more connections. It covers departures in February 2027, and every dated link below opens that exact GLA–LIM search on Skyscanner. That is roughly 11% below the £703 this route usually costs. Across 73 recorded checks it has ranged between £626 and £749. Our sampling points to February 2027 as the cheapest month to fly Glasgow to Lima.
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 61 other departure cities for Lima, 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 Lima is often still worth booking within a day or two of the fare we found.