The cheapest Glasgow to Toronto return flight on the radar right now is £357, flying with Air Transat non-stop. It covers departures in November 2026, and every dated link below opens that exact GLA–YYZ search on Skyscanner. At 28% under the £494 we normally record here, it is one of the strongest GLA–YYZ fares in our index. Across 70 recorded checks it has ranged between £308 and £1,011. Our sampling points to November 2026 as the cheapest month to fly Glasgow to Toronto.
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 59 other departure cities for Toronto, 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 Toronto is often still worth booking within a day or two of the fare we found.