AirHint found the following cheapest return flights from Porto (OPO) to Seoul (ICN) in May 2026 (see full year).
Return flights
| 23 May - 07 Jun | Ryanair | ||
| 07 May - 08 May | easyJet | ||
| 14 May - 24 May | easyJet | ||
| 03 May - 18 May | Lufthansa | ||
| 28 May - 12 Jun | Turkish Airlines | ||
| 11 May - 13 May | Turkish Airlines | ||
| 01 May - 22 May | Air France |
Also check the deals for one-way flights from Porto to Seoul in May.
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