AirHint found the following cheapest one-way flights from Porto (OPO) to Seoul (ICN) in December 2025 (see full year).
One-Way flights
| 03 Dec | Ryanair | ||
| 04 Dec | Ryanair | ||
| 01 Dec | Ryanair | ||
| 08 Dec | Ryanair | ||
| 02 Dec | Air Europa | ||
| 30 Dec | Ryanair | ||
| 06 Dec | Air Europa | ||
| 11 Dec | Ryanair | ||
| 31 Dec | Iberia | ||
| 07 Dec | Ryanair |
Also check the deals for return flights from Porto to Seoul in December.
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