AirHint found the following cheapest return flights from Seoul (ICN) to Riyadh (RUH) in October 2025 (see full year).

Return flights

23 Oct - 27 Oct	Air China
27 Oct - 01 Nov	Air China
31 Oct - 07 Nov	Air China
31 Oct - 23 Nov	Air China
31 Oct - 08 Nov	Air China
24 Oct - 28 Oct	Cathay Pacific
23 Oct - 31 Oct	Cathay Pacific
24 Oct - 25 Oct	Cathay Pacific
28 Oct - 31 Oct	Cathay Pacific
25 Oct - 31 Oct	Cathay Pacific
25 Oct - 01 Nov	Cathay Pacific
27 Oct - 30 Oct	China Southern
23 Oct - 30 Oct	Air China
26 Oct - 30 Oct	Cathay Pacific

Also check the deals for one-way flights from Seoul to Riyadh 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 Riyadh in October from $306

Return flights