The cheapest Dublin to Lima return flight on the radar right now is €582, flying with Air Transat via one or more connections. It covers departures in May 2027, and every dated link below opens that exact DUB–LIM search on Skyscanner. At 43% under the €1,017 we normally record here, it is one of the strongest DUB–LIM fares in our index. Across 83 recorded checks it has ranged between €563 and €1,165. Our sampling points to May 2027 as the cheapest month to fly Dublin to Lima.
We do not post a price and leave it to age. Each fare is re-checked against Skyscanner on a schedule and carries the time it was last confirmed. Not flying from Dublin? We track 58 other departure cities for Lima, listed at the foot of this page.
Cheap fares do not hang around. If this one has already gone, nudge the dates either way by a day or two; Dublin to Lima is usually still decent value around the same window.