Cheapest return flights from London to Seoul in December from $866

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

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

Return flights

03 Dec - 10 Dec KLM
01 Dec - 07 Dec KLM
01 Dec - 10 Dec KLM
06 Dec - 18 Jan KLM
25 Dec - 30 Dec KLM
01 Dec - 15 Dec KLM
27 Dec - 17 Jan KLM
18 Dec - 25 Dec KLM
18 Dec - 26 Dec KLM
17 Dec - 26 Dec KLM
27 Dec - 14 Jan KLM
18 Dec - 30 Dec KLM
29 Dec - 12 Jan KLM
29 Dec - 07 Jan KLM
23 Dec - 31 Dec Lufthansa
15 Dec - 07 Jan KLM
15 Dec - 05 Jan KLM
11 Dec - 04 Jan British Airways
13 Dec - 06 Jan British Airways
18 Dec - 06 Jan British Airways

Also check the deals for one-way flights from London to Seoul in December.

Skyscanner

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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