The cheapest Lisbon to Osaka return flight on the radar right now is €932, flying with Air China + TAP Air Portugal via one or more connections. It covers departures in March 2027, and every dated link below opens that exact LIS–KIX search on Skyscanner. That is roughly 15% below the €1,096 this route usually costs. Across 85 recorded checks it has ranged between €684 and €1,489. Our sampling points to March 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 60 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.