Cheapest return flights from London to Seoul in December from 422€

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

Return flights

02 Dec - 15 Dec China Southern
02 Dec - 14 Dec China Southern
02 Dec - 12 Dec China Southern
02 Dec - 10 Dec China Southern
02 Dec - 07 Dec China Southern
03 Dec - 16 Dec China Southern
01 Dec - 10 Dec China Southern
02 Dec - 13 Dec China Southern
01 Dec - 14 Dec China Southern
01 Dec - 08 Dec China Southern
31 Dec - 25 Jan Lufthansa
31 Dec - 14 Jan Air China
02 Dec - 15 Jan China Southern
30 Dec - 25 Jan Lufthansa
31 Dec - 15 Jan Shenzhen Airlines
24 Dec - 27 Jan China Southern
29 Dec - 25 Jan Lufthansa
28 Dec - 13 Jan Shenzhen Airlines
30 Dec - 13 Jan Ryanair
31 Dec - 09 Jan Shenzhen Airlines

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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