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

Return flights

19 Oct - 26 Oct	Flynas
26 Oct - 31 Oct	Flynas
03 Oct - 15 Oct	Saudia
18 Oct - 31 Oct	China Southern
21 Oct - 01 Nov	China Southern
03 Oct - 13 Oct	Saudia
02 Oct - 13 Oct	Flynas
04 Oct - 31 Oct	China Eastern
18 Oct - 01 Nov	China Eastern
04 Oct - 11 Oct	China Eastern
03 Oct - 14 Oct	Saudia
06 Oct - 13 Oct	Saudia
16 Oct - 03 Nov	Etihad Airways
26 Oct - 06 Nov	Etihad Airways
16 Oct - 05 Nov	Etihad Airways
30 Oct - 08 Nov	Etihad Airways
24 Oct - 04 Nov	Etihad Airways
31 Oct - 08 Nov	Etihad Airways
27 Oct - 03 Nov	China Southern
28 Oct - 11 Nov	China Southern

Also check the deals for one-way flights from Riyadh 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 Riyadh to Seoul in October from $548

Return flights