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

Return flights

18 Nov - 25 Nov	ITA Airways
28 Nov - 07 Dec	KLM
10 Nov - 20 Nov	KLM
12 Nov - 20 Nov	KLM
27 Nov - 07 Dec	KLM
26 Nov - 07 Dec	KLM
05 Nov - 20 Nov	KLM
12 Nov - 25 Nov	KLM
06 Nov - 13 Nov	KLM
20 Nov - 28 Nov	SWISS
10 Nov - 27 Nov	KLM
20 Nov - 27 Nov	KLM
07 Nov - 28 Nov	KLM
26 Nov - 04 Dec	KLM
24 Nov - 06 Dec	KLM
26 Nov - 06 Dec	KLM
28 Nov - 13 Dec	KLM
13 Nov - 03 Dec	Lufthansa
28 Nov - 05 Dec	KLM
21 Nov - 09 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 $702

Return flights