Cheapest return ICN–LHR flights, December

AirHint found the following cheapest return flights from Seoul (ICN) to London (LHR) in December 2026 (see full year).

Return flights

03 Dec - 06 Dec Air France
04 Dec - 08 Dec Air France
14 Dec - 11 Jan Air France
18 Dec - 06 Jan Air China
23 Dec - 08 Jan Air China
17 Dec - 31 Dec Scandinavian Airlines
21 Dec - 11 Jan Air China
18 Dec - 04 Jan Air China
11 Dec - 03 Jan Air China
08 Dec - 17 Dec Scandinavian Airlines
01 Dec - 24 Dec Scandinavian Airlines
01 Dec - 17 Dec Scandinavian Airlines
22 Dec - 30 Dec Scandinavian Airlines
11 Dec - 28 Dec Scandinavian Airlines
15 Dec - 30 Dec Scandinavian Airlines
19 Dec - 30 Dec Scandinavian Airlines
24 Dec - 09 Jan Air China
23 Dec - 05 Jan Air China
23 Dec - 25 Jan Air China
18 Dec - 08 Jan 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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