Cheapest return flights from London to Seoul in December from 372€

AirHint found the following cheapest return flights from London (LHR) to Seoul (ICN) in December 2025 (see full year).

Return flights

04 Dec - 17 Dec China Eastern
02 Dec - 11 Dec China Eastern
02 Dec - 26 Dec China Eastern
04 Dec - 26 Dec China Eastern
02 Dec - 12 Dec China Eastern
01 Dec - 10 Dec China Eastern
04 Dec - 26 Jan China Eastern
02 Dec - 10 Dec China Eastern
01 Dec - 13 Dec China Eastern
04 Dec - 11 Dec China Eastern
04 Dec - 14 Dec China Eastern
04 Dec - 25 Jan China Eastern
01 Dec - 25 Jan China Eastern
02 Dec - 23 Jan Air China
04 Dec - 23 Jan China Eastern
04 Dec - 27 Jan China Eastern
04 Dec - 21 Jan China Eastern
03 Dec - 25 Jan Air China
03 Dec - 26 Jan Air China
03 Dec - 27 Jan Air China

Also check the deals for one-way 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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