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

One-Way flights

20 Aug	Cathay Pacific
25 Aug	Cathay Pacific
26 Aug	Cathay Pacific
28 Aug	Cathay Pacific
27 Aug	Cathay Pacific
19 Aug	Cathay Pacific
21 Aug	Cathay Pacific
24 Aug	HK Express
23 Aug	Cathay Pacific
29 Aug	Cathay Pacific

Also check the deals for return flights from Hong Kong to Sao Paulo 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 Sao Paulo in August from 575€

One-Way flights