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

Return flights

14 Oct - 03 Nov	China Southern
14 Oct - 20 Oct	Air China
13 Oct - 20 Oct	Air China
15 Oct - 23 Oct	Air China
12 Oct - 18 Oct	Air China
20 Oct - 27 Oct	Emirates
14 Oct - 23 Oct	Air China
27 Oct - 30 Oct	Emirates
21 Oct - 28 Oct	Singapore Airlines
29 Oct - 02 Nov	Singapore Airlines
07 Oct - 13 Oct	Air China
19 Oct - 23 Oct	China Southern
19 Oct - 02 Nov	Singapore Airlines
31 Oct - 03 Nov	Singapore Airlines
31 Oct - 07 Nov	Emirates
29 Oct - 08 Nov	Air Europa

Also check the deals for one-way flights from Seoul to London 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 Seoul to London in October from $711

Return flights