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

Return flights

30 Oct - 09 Nov	Wizz Air Malta
30 Oct - 13 Nov	Wizz Air Malta
30 Oct - 04 Nov	Wizz Air Malta
30 Oct - 06 Nov	Wizz Air Malta
29 Oct - 06 Nov	Wizz Air Malta
30 Oct - 10 Nov	Wizz Air Malta
31 Oct - 08 Nov	Wizz Air Malta
28 Oct - 06 Nov	Wizz Air Malta
31 Oct - 09 Nov	easyJet
31 Oct - 11 Nov	Wizz Air Malta
24 Oct - 30 Oct	Wizz Air
28 Oct - 31 Oct	easyJet
24 Oct - 28 Oct	easyJet
22 Oct - 28 Oct	easyJet
22 Oct - 31 Oct	easyJet
24 Oct - 29 Oct	Wizz Air
23 Oct - 28 Oct	easyJet
25 Oct - 30 Oct	easyJet
22 Oct - 26 Oct	Wizz Air UK
25 Oct - 28 Oct	easyJet

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

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 October from 561€

Return flights