AirHint found the following cheapest return flights from Porto (OPO) to Osaka (KIX) in May 2026 (see full year).
Return flights
| 06 May - 13 May | Ryanair | ||
| 19 May - 01 Jun | Ryanair | ||
| 10 May - 21 May | Ryanair | ||
| 25 May - 08 Jun | Ryanair | ||
| 07 May - 21 May | Ryanair |
Also check the deals for one-way flights from Porto to Osaka in May.
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