AirHint found the following cheapest return flights from London (LTN) to Seoul (ICN) in October 2026 (see full year).

Return flights

29 Oct - 08 Nov	Wizz Air UK
01 Oct - 09 Oct	Ryanair
22 Oct - 22 Nov	Ryanair
01 Oct - 08 Oct	Ryanair
17 Oct - 28 Oct	FlyOne (Romania)
30 Oct - 18 Nov	Wizz Air Malta
08 Oct - 22 Oct	Wizz Air UK
31 Oct - 16 Nov	Wizz Air
04 Oct - 14 Oct	Wizz Air Malta
15 Oct - 22 Oct	Wizz Air UK
25 Oct - 08 Nov	Wizz Air UK
19 Oct - 25 Oct	FlyOne (Romania)
31 Oct - 13 Nov	Wizz Air
15 Oct - 01 Nov	Wizz Air UK
30 Oct - 15 Nov	Ryanair
24 Oct - 07 Nov	Wizz Air UK
30 Oct - 10 Nov	Ryanair
12 Oct - 26 Oct	Wizz Air UK
17 Oct - 25 Oct	Wizz Air UK
05 Oct - 15 Oct	Ryanair

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 636€

Return flights