AirHint found the following cheapest one-way flights from Lisbon (LIS) to Seoul (ICN) in September 2026 (see full year).
One-Way flights
| 30 Sep | Pegasus Airlines | ||
| 08 Sep | Ryanair | ||
| 14 Sep | KLM | ||
| 09 Sep | easyJet | ||
| 15 Sep | Finnair | ||
| 30 Sep | Korean Air | direct | |
| 09 Sep | Korean Air | direct |
Also check the deals for return flights from Lisbon to Seoul in September.
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