The cheapest Dublin to Osaka return flight on the radar right now is €734, flying with China Eastern via one or more connections. It covers departures in January 2027, and every dated link below opens that exact DUB–KIX search on Skyscanner. The price we usually record on this route is €757. Across 90 recorded checks it has ranged between €618 and €2,811. Our sampling points to January 2027 as the cheapest month to fly Dublin to Osaka.
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 Dublin? We track 61 other departure cities for Osaka, listed at the foot of this page.
Fares move quickly. If this Dublin to Osaka 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.