AirHint found the following cheapest one-way flights from London (LCY) to Seoul (ICN) in September 2026 (see full year).
One-Way flights
| 08 Sep | ITA Airways | ||
| 01 Sep | British Airways | ||
| 06 Sep | LOT | ||
| 18 Sep | SWISS | ||
| 28 Sep | KLM | ||
| 13 Sep | KLM | ||
| 30 Sep | KLM | ||
| 23 Sep | British Airways | ||
| 25 Sep | SWISS | ||
| 19 Sep | SWISS |
Also check the deals for return flights from London to Seoul in September.
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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.
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