Cheapest return flights from London to Seoul in December from $586

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

01 Dec - 14 Dec Lufthansa
01 Dec - 21 Dec Lufthansa
03 Dec - 17 Dec Lufthansa
08 Dec - 21 Dec Lufthansa
10 Dec - 26 Dec Lufthansa
22 Dec - 31 Dec Lufthansa
01 Dec - 10 Dec KLM
03 Dec - 14 Dec Air France
03 Dec - 11 Dec Air France
12 Dec - 26 Dec Lufthansa
17 Dec - 07 Jan Lufthansa
19 Dec - 09 Jan Lufthansa
27 Dec - 07 Jan Lufthansa
19 Dec - 01 Jan Lufthansa
25 Dec - 10 Jan Lufthansa
01 Dec - 05 Jan Lufthansa
24 Dec - 10 Jan Lufthansa
26 Dec - 09 Jan Lufthansa
22 Dec - 02 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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