The cheapest London to Bonaire return flight on the radar right now is £650, flying with Finnair via one or more connections. It covers departures in November 2026, and every dated link below opens that exact LHR–BON search on Skyscanner. At 49% under the £1,285 we normally record here, it is one of the strongest LHR–BON fares in our index. Across 60 recorded checks it has ranged between £610 and £1,299. Our sampling points to November 2026 as the cheapest month to fly London to Bonaire.
Every fare here is re-confirmed against Skyscanner automatically, and each one is stamped with the moment it was last checked, so you can see how fresh it is instead of taking it on trust. Not flying from London? We track 34 other departure cities for Bonaire, listed at the foot of this page.
Fares move quickly. If this London to Bonaire price has gone by the time you search, shift the dates a day or two either side, because the same route is often still cheap just next door.