The cheapest Lisbon to Osaka return flight on the radar right now is €791, flying with Korean Air via one or more connections. It covers departures in January 2027, and every dated link below opens that exact LIS–KIX search on Skyscanner. At 27% under the €1,091 we normally record here, it is one of the strongest LIS–KIX fares in our index. Across 115 recorded checks it has ranged between €684 and €1,489. Our sampling points to January 2027 as the cheapest month to fly Lisbon 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 Lisbon? We track 61 other departure cities for Osaka, listed at the foot of this page.
Fares move quickly. If this Lisbon 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.