The cheapest Lyon to Belize return flight on the radar right now is €991, flying with KLM via one or more connections. It covers departures in November 2026, and every dated link below opens that exact LYS–BZE search on Skyscanner. That is roughly 11% below the €1,110 this route usually costs. Across 55 recorded checks it has ranged between €964 and €1,201. Our sampling points to November 2026 as the cheapest month to fly Lyon to Belize.
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 Lyon? We track 43 other departure cities for Belize, 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 Lyon to Belize is often still worth booking within a day or two of the fare we found.