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

Return flights

15 Oct - 06 Nov	Wizz Air
21 Oct - 06 Nov	Wizz Air
28 Oct - 13 Nov	Wizz Air
13 Oct - 27 Oct	Wizz Air
15 Oct - 27 Oct	Wizz Air
06 Oct - 27 Oct	Wizz Air
27 Oct - 13 Nov	Wizz Air
31 Oct - 07 Nov	Wizz Air UK
17 Oct - 21 Oct	Wizz Air
13 Oct - 06 Nov	Wizz Air
27 Oct - 06 Nov	Wizz Air
19 Oct - 24 Oct	Wizz Air
18 Oct - 04 Nov	Wizz Air
17 Oct - 24 Oct	Wizz Air
15 Oct - 15 Nov	Wizz Air
01 Oct - 11 Oct	Wizz Air
12 Oct - 23 Oct	Wizz Air
13 Oct - 20 Oct	Wizz Air
01 Oct - 12 Oct	Wizz Air
28 Oct - 06 Nov	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 607€

Return flights