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

Return flights

26 Nov - 04 Dec	Lufthansa
03 Nov - 13 Nov	KLM
26 Nov - 30 Nov	KLM
24 Nov - 30 Nov	KLM
17 Nov - 30 Nov	KLM
12 Nov - 20 Nov	Lufthansa
24 Nov - 04 Dec	KLM
24 Nov - 05 Dec	KLM
03 Nov - 30 Nov	KLM
10 Nov - 20 Nov	KLM
03 Nov - 04 Dec	KLM
19 Nov - 25 Nov	KLM
20 Nov - 30 Nov	KLM
13 Nov - 27 Nov	KLM
28 Nov - 05 Dec	KLM
18 Nov - 05 Dec	British Airways
25 Nov - 05 Dec	British Airways
25 Nov - 17 Dec	British Airways
12 Nov - 17 Dec	British Airways
04 Nov - 03 Dec	KLM

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

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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Cheapest return flights from London to Seoul in November from $798

Return flights