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

One-Way flights

17 Aug	Air India
01 Aug	Hainan Airlines
06 Aug	Air India
04 Aug	Air India
24 Aug	Hainan Airlines
07 Aug	Air India
15 Aug	Hainan Airlines
18 Aug	Sichuan Airlines
01 Aug	Cathay Pacific	direct
07 Aug	Cathay Pacific	direct

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 $308

One-Way flights