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

Return flights

02 Oct - 18 Oct	Air China
02 Oct - 15 Oct	Air China
02 Oct - 11 Oct	Air China
02 Oct - 23 Oct	Air China
02 Oct - 14 Oct	Air China
20 Oct - 30 Oct	China Eastern
30 Oct - 14 Nov	China Eastern
31 Oct - 05 Nov	China Eastern
31 Oct - 11 Nov	China Eastern
03 Oct - 11 Oct	Wizz Air UK
15 Oct - 24 Oct	China Eastern
06 Oct - 13 Oct	Ryanair
05 Oct - 18 Oct	Wizz Air UK
30 Oct - 06 Nov	China Eastern
23 Oct - 08 Nov	China Eastern
17 Oct - 03 Nov	Wizz Air UK
19 Oct - 02 Nov	Wizz Air UK
27 Oct - 10 Nov	Turkish Airlines
18 Oct - 01 Nov	SKY express
26 Oct - 01 Nov	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 491€

Return flights