AirHint found the following cheapest one-way flights from Hong Kong (HKG) to Riyadh (RUH) in August 2025 (see full year).

One-Way flights

25 Aug	Hainan Airlines
24 Aug	Sichuan Airlines
26 Aug	Air India
28 Aug	Hainan Airlines
20 Aug	Sichuan Airlines
27 Aug	HK Express
18 Aug	Hainan Airlines
21 Aug	Shenzhen Airlines
19 Aug	Air India
22 Aug	Hong Kong Airlines

Also check the deals for return flights from Hong Kong 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 one-way flights from Hong Kong to Riyadh in August from $325

One-Way flights