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

Return flights

28 Oct - 11 Nov	China Eastern
21 Oct - 09 Nov	China Eastern
21 Oct - 04 Nov	China Eastern
24 Oct - 29 Oct	China Eastern
18 Oct - 31 Oct	China Eastern
02 Oct - 21 Oct	Air China
30 Oct - 09 Nov	China Eastern
04 Oct - 17 Oct	Air China
18 Oct - 24 Oct	China Eastern
02 Oct - 15 Oct	Air China
02 Oct - 17 Oct	Air China
02 Oct - 13 Oct	Air China
02 Oct - 12 Oct	Air China
04 Oct - 18 Oct	Air China
30 Oct - 13 Nov	Turkish Airlines
31 Oct - 09 Nov	China Southern
31 Oct - 06 Nov	China Southern
24 Oct - 06 Nov	China Southern
30 Oct - 11 Nov	Turkish Airlines
21 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 540€

Return flights