AirHint found the following cheapest return flights from Hong Kong (HKG) to Sydney (SYD) in August 2026 (see full year).

Return flights

10 Aug - 16 Aug	Scoot
10 Aug - 20 Aug	Scoot
21 Aug - 26 Aug	Scoot
28 Aug - 06 Sep	Vietnam Airlines
18 Aug - 26 Aug	Vietnam Airlines
25 Aug - 05 Sep	Vietnam Airlines
25 Aug - 31 Aug	Vietnam Airlines
13 Aug - 21 Aug	Scoot
20 Aug - 28 Aug	Scoot
19 Aug - 31 Aug	Cebu Pacific
26 Aug - 30 Aug	Philippines AirAsia Inc.
26 Aug - 31 Aug	Philippines AirAsia Inc.
22 Aug - 05 Sep	Philippines AirAsia Inc.
24 Aug - 01 Sep	HK Express
25 Aug - 02 Sep	AirAsia
25 Aug - 05 Sep	Qantas	direct
22 Aug - 05 Sep	Qantas	direct
28 Aug - 06 Sep	Qantas	direct
24 Aug - 01 Sep	Qantas	direct

Also check the deals for one-way flights from Hong Kong to Sydney 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 Hong Kong to Sydney in August from 375€

Return flights