The cheapest London Gatwick to Toronto return flight on the radar right now is £344, flying with Air Transat non-stop. It covers departures in November 2026, and every dated link below opens that exact LGW–YYZ search on Skyscanner. Across 86 recorded checks it has ranged between £283 and £414. Our sampling points to November 2026 as the cheapest month to fly London Gatwick to Toronto.
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 London Gatwick? We track 57 other departure cities for Toronto, 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; London Gatwick to Toronto is usually still decent value around the same window.