Cheapest one-way flights from London to Seoul in December from $619

AirHint found the following cheapest one-way flights from London (LCY) to Seoul (ICN) in December 2025 (see full year).

One-Way flights

29 Dec British Airways
31 Dec Air Dolomiti
24 Dec SWISS
26 Dec KLM
28 Dec KLM
16 Dec SWISS
15 Dec SWISS
17 Dec SWISS
14 Dec SWISS
13 Dec SWISS

Also check the deals for return flights from London to Seoul in December.

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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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