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

Return flights

10 Oct - 17 Oct	Ryanair
05 Oct - 18 Oct	Wizz Air UK
01 Oct - 16 Oct	easyJet
06 Oct - 18 Oct	Ryanair
01 Oct - 18 Oct	Ryanair
01 Oct - 15 Oct	Wizz Air UK
01 Oct - 14 Oct	Wizz Air UK
16 Oct - 13 Nov	Wizz Air
03 Oct - 17 Oct	Wizz Air UK
03 Oct - 07 Oct	Wizz Air UK
09 Oct - 16 Oct	Ryanair
18 Oct - 01 Nov	Wizz Air Malta
24 Oct - 07 Nov	Wizz Air UK
24 Oct - 04 Nov	Wizz Air
19 Oct - 02 Nov	Wizz Air UK
17 Oct - 02 Nov	Wizz Air
22 Oct - 06 Nov	Wizz Air UK
30 Oct - 14 Nov	Ryanair
26 Oct - 09 Nov	Wizz Air UK
28 Oct - 11 Nov	Wizz Air

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 $795

Return flights