Cheapest return flights from London to Seoul in December from 413€

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

Return flights

01 Dec - 10 Dec Air China
05 Dec - 15 Dec Air China
05 Dec - 11 Dec Air China
05 Dec - 27 Dec Air China
05 Dec - 19 Dec Air China
01 Dec - 08 Dec Air China
01 Dec - 19 Dec Air China
02 Dec - 23 Dec Air China
01 Dec - 11 Dec Air China
02 Dec - 24 Dec Air China
29 Dec - 17 Jan Lufthansa
25 Dec - 16 Jan Lufthansa
25 Dec - 17 Jan Lufthansa
25 Dec - 12 Jan Lufthansa
31 Dec - 12 Jan Lufthansa
29 Dec - 07 Jan Lufthansa
25 Dec - 01 Jan Lufthansa
01 Dec - 01 Jan Lufthansa
28 Dec - 25 Jan Air China
24 Dec - 18 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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