The cheapest Dublin to Phuket return flight on the radar right now is €574, flying with Air France via one or more connections. It covers departures in November 2026, and every dated link below opens that exact DUB–HKT search on Skyscanner. The price we usually record on this route is €506. Across 100 recorded checks it has ranged between €435 and €658. Our sampling points to November 2026 as the cheapest month to fly Dublin to Phuket.
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 Dublin? We track 63 other departure cities for Phuket, 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 Dublin to Phuket is often still worth booking within a day or two of the fare we found.