Cheapest return flights from London to Seoul in December from $415

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

Return flights

05 Dec - 13 Dec China Eastern
04 Dec - 12 Dec China Eastern
05 Dec - 12 Dec China Eastern
05 Dec - 15 Dec China Eastern
01 Dec - 11 Dec China Eastern
01 Dec - 07 Dec China Eastern
01 Dec - 08 Dec China Eastern
05 Dec - 14 Dec China Eastern
05 Dec - 08 Dec China Eastern
01 Dec - 12 Dec China Eastern
09 Dec - 18 Jan Turkish Airlines
18 Dec - 08 Jan easyJet
09 Dec - 25 Jan Turkish Airlines
04 Dec - 01 Jan Turkish Airlines
26 Dec - 16 Jan Turkish Airlines
24 Dec - 25 Jan Turkish Airlines
24 Dec - 13 Jan Air China
28 Dec - 13 Jan Air China
31 Dec - 14 Jan Turkish Airlines
28 Dec - 14 Jan Turkish 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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