Cheapest return flights from London to Seoul in December from 377€

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

Return flights

01 Dec - 18 Dec China Eastern
01 Dec - 07 Dec China Eastern
01 Dec - 08 Dec China Eastern
01 Dec - 17 Dec China Eastern
01 Dec - 15 Dec China Eastern
01 Dec - 10 Dec China Eastern
03 Dec - 16 Dec China Southern
03 Dec - 11 Dec China Southern
02 Dec - 09 Dec China Southern
02 Dec - 13 Dec China Southern
31 Dec - 18 Jan Shenzhen Airlines
31 Dec - 22 Jan China Southern
30 Dec - 30 Jan China Southern
30 Dec - 20 Jan China Southern
30 Dec - 22 Jan China Southern
30 Dec - 21 Jan China Southern
29 Dec - 30 Jan China Southern
30 Dec - 23 Jan China Southern
10 Dec - 20 Jan Lufthansa
11 Dec - 19 Jan Lufthansa

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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