AirHint found the following cheapest return flights from Hong Kong (HKG) to Sao Paulo (GRU) in September 2025 (see full year).

Return flights

10 Sep - 12 Sep	Qatar Airways
24 Sep - 26 Sep	Qatar Airways
17 Sep - 19 Sep	Qatar Airways
03 Sep - 07 Sep	Qatar Airways
10 Sep - 14 Sep	Qatar Airways
10 Sep - 13 Sep	Qatar Airways
03 Sep - 06 Sep	Qatar Airways
17 Sep - 20 Sep	Qatar Airways
11 Sep - 14 Sep	Qatar Airways
30 Sep - 11 Oct	Qatar Airways
25 Sep - 06 Oct	Qatar Airways
02 Sep - 16 Oct	Air France
01 Sep - 16 Oct	Air France

Also check the deals for one-way flights from Hong Kong to Sao Paulo in September.

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 Hong Kong to Sao Paulo in September from 1089€

Return flights