The cheapest Paris to Saint Lucia return flight on the radar right now is €711, flying with Air Canada via one or more connections. It covers departures in February 2027, and every dated link below opens that exact CDG–UVF search on Skyscanner. That is roughly 18% below the €863 this route usually costs. Across 63 recorded checks it has ranged between €675 and €978. Our sampling points to February 2027 as the cheapest month to fly Paris to Saint Lucia.
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 Paris? We track 42 other departure cities for Saint Lucia, listed at the foot of this page.
Fares move quickly. If this Paris to Saint Lucia 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.