Cheapest return flights from London to Seoul in December from $494

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

Return flights

02 Dec - 09 Dec China Southern
02 Dec - 12 Dec Air China
01 Dec - 08 Dec China Southern
02 Dec - 07 Dec China Southern
01 Dec - 15 Dec China Southern
02 Dec - 10 Dec China Southern
01 Dec - 07 Dec China Southern
02 Dec - 23 Dec China Southern
01 Dec - 09 Dec China Southern
03 Dec - 17 Dec China Southern
03 Dec - 28 Jan China Southern
03 Dec - 29 Jan China Southern
03 Dec - 27 Jan China Southern
03 Dec - 19 Jan China Southern
04 Dec - 19 Jan Air China
04 Dec - 14 Jan Air China
11 Dec - 25 Jan Lufthansa
30 Dec - 31 Jan China Southern
29 Dec - 28 Jan China Southern
31 Dec - 25 Jan Lufthansa

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

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