AirHint found the following cheapest return flights from Porto (OPO) to Osaka (KIX) in September 2026 (see full year).
Return flights
| 13 Sep - 26 Sep | Iberia | ||
| 22 Sep - 10 Oct | Iberia | ||
| 14 Sep - 24 Sep | Ryanair | ||
| 14 Sep - 26 Sep | Ryanair | ||
| 16 Sep - 19 Sep | Ryanair |
Also check the deals for one-way flights from Porto to Osaka in September.
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