AirHint found the following cheapest one-way flights from London (LCY) to Seoul (ICN) in September 2026 (see full year).
One-Way flights
| 25 Sep | Luxair | ||
| 01 Sep | SWISS | ||
| 08 Sep | SWISS | ||
| 11 Sep | KLM | ||
| 13 Sep | KLM | ||
| 29 Sep | SWISS | ||
| 02 Sep | SWISS | ||
| 07 Sep | KLM | ||
| 10 Sep | KLM | ||
| 24 Sep | SWISS |
Also check the deals for return flights from London to Seoul in September.
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