The cheapest London to Lanzarote return flight on the radar right now is £194, flying with SWISS + Brussels Airlines via one or more connections. It covers departures in November 2026, and every dated link below opens that exact LHR–ACE search on Skyscanner. The price we usually record on this route is £187. Across 120 recorded checks it has ranged between £114 and £392. Our sampling points to November 2026 as the cheapest month to fly London to Lanzarote.
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 London? We track 49 other departure cities for Lanzarote, 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 London to Lanzarote is often still worth booking within a day or two of the fare we found.