The cheapest London to Martinique return flight on the radar right now is £598, flying with Air Canada via one or more connections. It covers departures in February 2027, and every dated link below opens that exact LHR–FDF search on Skyscanner. At 25% under the £796 we normally record here, it is one of the strongest LHR–FDF fares in our index. Across 50 recorded checks it has ranged between £537 and £1,222. Our sampling points to February 2027 as the cheapest month to fly London to Martinique.
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 52 other departure cities for Martinique, listed at the foot of this page.
Fares move quickly. If this London to Martinique 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.