AirHint found the following cheapest return flights from Osaka (ITM) to Porto (OPO) in March 2026 (see full year).
Return flights
| 01 Mar - 06 Mar | Lufthansa | ||
| 10 Mar - 16 Mar | Lufthansa | ||
| 22 Mar - 26 Mar | Japan Airlines |
Also check the deals for one-way flights from Osaka to Porto in March.
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