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

Return flights

30 Oct - 14 Nov	Turkish Airlines
07 Oct - 19 Oct	Ryanair
07 Oct - 20 Oct	Ryanair
21 Oct - 04 Nov	Ryanair
04 Oct - 21 Oct	Ryanair
07 Oct - 22 Oct	Ryanair
12 Oct - 19 Oct	Pegasus Airlines
14 Oct - 30 Nov	Ryanair
07 Oct - 21 Oct	Ryanair
08 Oct - 21 Oct	Ryanair
19 Oct - 27 Oct	Ryanair
29 Oct - 12 Nov	Turkish Airlines
21 Oct - 25 Nov	Ryanair
07 Oct - 25 Oct	Ryanair
12 Oct - 18 Oct	Pegasus Airlines
15 Oct - 01 Nov	Ryanair
19 Oct - 04 Nov	Ryanair
19 Oct - 08 Nov	Ryanair
22 Oct - 02 Nov	Ryanair
23 Oct - 14 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 633€

Return flights