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

Return flights

29 Oct - 19 Nov	Ryanair
30 Oct - 13 Nov	Turkish Airlines
30 Oct - 09 Nov	Turkish Airlines
03 Oct - 17 Oct	Ryanair
21 Oct - 18 Nov	Ryanair
05 Oct - 15 Oct	Ryanair
28 Oct - 10 Nov	Ryanair
11 Oct - 19 Oct	Ryanair
01 Oct - 15 Oct	Ryanair
15 Oct - 23 Oct	Ryanair
05 Oct - 20 Oct	Ryanair
23 Oct - 06 Nov	Ryanair
01 Oct - 10 Oct	Ryanair
29 Oct - 11 Nov	Ryanair
01 Oct - 14 Oct	Ryanair
03 Oct - 16 Oct	Ryanair
03 Oct - 15 Oct	Ryanair
23 Oct - 23 Nov	Ryanair
23 Oct - 04 Nov	Ryanair
23 Oct - 09 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 $788

Return flights