Cheapest return flights from Seoul to London in December from 401€

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

Return flights

01 Dec - 24 Jan China Southern
23 Dec - 06 Jan China Southern
13 Dec - 08 Jan China Southern
17 Dec - 06 Jan China Southern
22 Dec - 07 Jan China Southern
22 Dec - 08 Jan China Southern
13 Dec - 12 Jan China Southern
23 Dec - 13 Jan China Southern
22 Dec - 09 Jan China Southern
23 Dec - 25 Jan China Southern
16 Dec - 23 Dec China Eastern
10 Dec - 23 Dec China Eastern
15 Dec - 23 Dec China Eastern
13 Dec - 20 Dec Air China
09 Dec - 31 Dec China Southern
05 Dec - 08 Dec China Eastern
19 Dec - 27 Dec Air China
12 Dec - 27 Dec Air China
16 Dec - 27 Dec Air China
17 Dec - 20 Dec Air China

Also check the deals for one-way flights from Seoul to London 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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