AirHint found the following cheapest one-way flights from Porto (OPO) to Seoul (ICN) in September 2026 (see full year).
One-Way flights
| 23 Sep | Transavia France | ||
| 20 Sep | Ryanair | ||
| 10 Sep | Transavia France | ||
| 30 Sep | Air Europa | ||
| 07 Sep | Ryanair | ||
| 05 Sep | Turkish Airlines | ||
| 11 Sep | Turkish Airlines | ||
| 17 Sep | Turkish Airlines | ||
| 22 Sep | Lufthansa | ||
| 12 Sep | SWISS |
Also check the deals for return flights from Porto to Seoul in September.
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