The cheapest Sofia to Guadeloupe return flight on the radar right now is €822, flying with Air France via one or more connections. It covers departures in February 2027, and every dated link below opens that exact SOF–PTP search on Skyscanner. The price we usually record on this route is €796. Across 51 recorded checks it has ranged between €692 and €878. Our sampling points to February 2027 as the cheapest month to fly Sofia to Guadeloupe.
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 Sofia? We track 24 other departure cities for Guadeloupe, 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 Sofia to Guadeloupe is often still worth booking within a day or two of the fare we found.