Cheapest return flights from London to Seoul in December from $789

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

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

Return flights

02 Dec - 12 Dec China Southern
03 Dec - 10 Dec Turkish Airlines
09 Dec - 17 Dec Turkish Airlines
03 Dec - 25 Dec Turkish Airlines
01 Dec - 10 Dec Turkish Airlines
01 Dec - 25 Dec Turkish Airlines
03 Dec - 12 Dec Turkish Airlines
08 Dec - 22 Dec Turkish Airlines
06 Dec - 17 Dec Turkish Airlines
08 Dec - 15 Dec Turkish Airlines
11 Dec - 02 Jan Wizz Air UK
05 Dec - 01 Jan Turkish Airlines
10 Dec - 15 Jan Qatar Airways
28 Dec - 18 Jan Ethiopian Airlines
24 Dec - 19 Jan Qatar Airways
07 Dec - 08 Jan Qatar Airways
10 Dec - 10 Jan Qatar Airways
24 Dec - 11 Jan Qatar Airways
26 Dec - 10 Jan Qatar Airways
18 Dec - 17 Jan Ethiopian Airlines

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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