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

Return flights

02 Oct - 13 Oct	Air China
02 Oct - 15 Oct	Air China
02 Oct - 17 Oct	Air China
02 Oct - 12 Oct	Air China
02 Oct - 10 Oct	Air China
04 Oct - 13 Oct	Air China
19 Oct - 01 Nov	Wizz Air UK
23 Oct - 30 Oct	China Southern
22 Oct - 30 Oct	China Southern
05 Oct - 15 Oct	Wizz Air UK
29 Oct - 12 Nov	Turkish Airlines
29 Oct - 13 Nov	Turkish Airlines
08 Oct - 29 Oct	Ryanair
30 Oct - 14 Nov	Turkish Airlines
28 Oct - 12 Nov	Qatar Airways
22 Oct - 16 Nov	Qatar Airways
28 Oct - 25 Nov	Qatar Airways
19 Oct - 02 Nov	Qatar Airways
20 Oct - 08 Nov	Qatar Airways
25 Oct - 01 Nov	Qatar Airways

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 $698

Return flights