Cheapest return flights from London to Seoul in December from 512€

Best time to book flights for London (LON) to Seoul (ICN) flights at AirHint

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

Return flights

04 Dec - 12 Dec China Eastern
06 Dec - 21 Dec Lufthansa
05 Dec - 19 Dec Lufthansa
19 Dec - 31 Dec Lufthansa
01 Dec - 30 Dec Lufthansa
08 Dec - 22 Dec Lufthansa
17 Dec - 26 Dec Lufthansa
01 Dec - 14 Dec Lufthansa
01 Dec - 12 Dec Lufthansa
01 Dec - 10 Dec Lufthansa
12 Dec - 02 Jan China Eastern
28 Dec - 05 Jan Air China
14 Dec - 02 Jan Lufthansa
09 Dec - 05 Jan Lufthansa
13 Dec - 03 Jan Lufthansa
18 Dec - 05 Jan Lufthansa
06 Dec - 03 Jan Lufthansa
13 Dec - 05 Jan Lufthansa
19 Dec - 03 Jan Lufthansa
22 Dec - 04 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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