The cheapest London Gatwick to Cancun return flight on the radar right now is £347, flying with TUI non-stop. It covers departures in October 2026, and every dated link below opens that exact LGW–CUN search on Skyscanner. At 38% under the £561 we normally record here, it is one of the strongest LGW–CUN fares in our index. Across 70 recorded checks it has ranged between £346 and £2,419. Our sampling points to October 2026 as the cheapest month to fly London Gatwick to Cancun.
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 59 other departure cities for Cancun, 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 Cancun is usually still decent value around the same window.