Cheapest return flights from Seoul to London in December from 540€

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

Return flights

19 Dec - 01 Jan China Southern
11 Dec - 16 Jan China Southern
13 Dec - 03 Jan China Southern
24 Dec - 01 Jan Scandinavian Airlines
05 Dec - 13 Dec Air France
03 Dec - 10 Dec Air France
10 Dec - 13 Dec Air France
02 Dec - 09 Dec Air France
10 Dec - 04 Jan Air France
22 Dec - 12 Jan China Southern
15 Dec - 06 Jan China Southern
23 Dec - 13 Jan China Southern
08 Dec - 13 Dec Air France
02 Dec - 08 Dec KLM
05 Dec - 09 Dec Air France
08 Dec - 11 Dec Scandinavian Airlines
29 Dec - 08 Jan Scandinavian Airlines
01 Dec - 04 Dec Scandinavian Airlines
01 Dec - 11 Dec Scandinavian Airlines
31 Dec - 08 Jan Scandinavian Airlines

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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