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

Return flights

17 Aug - 23 Aug	China Southern
02 Aug - 09 Aug	China Eastern
03 Aug - 09 Aug	China Eastern
24 Aug - 17 Sep	China Eastern
02 Aug - 11 Aug	Cathay Pacific
22 Aug - 25 Aug	Etihad Airways
03 Aug - 10 Aug	China Eastern
08 Aug - 15 Aug	Cathay Pacific
28 Aug - 30 Aug	Etihad Airways
26 Aug - 30 Aug	Etihad Airways
20 Aug - 25 Aug	Cathay Pacific
04 Aug - 26 Sep	Cathay Pacific
28 Aug - 05 Sep	Philippine Airlines

Also check the deals for one-way flights from Seoul to Riyadh in August.

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 August from 338€

Return flights