AirHint found the following cheapest return flights from Seoul (GMP) to Porto (OPO) in June 2026 (see full year).
Return flights
| 20 Jun - 28 Jun | EVA Air | ||
| 20 Jun - 30 Jun | EVA Air | ||
| 20 Jun - 29 Jun | EVA Air | ||
| 03 Jun - 10 Jun | EVA Air |
Also check the deals for one-way flights from Seoul to Porto in June.
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