AirHint found the following cheapest return flights from Hong Kong (HKG) to Sydney (SYD) in July 2025 (see full year).

Return flights

08 Jul - 22 Jul	AirAsia
07 Jul - 15 Jul	AirAsia
01 Jul - 23 Jul	AirAsia
08 Jul - 23 Jul	AirAsia
08 Jul - 14 Aug	AirAsia
07 Jul - 14 Aug	AirAsia
08 Jul - 21 Aug	AirAsia
01 Jul - 15 Jul	AirAsia
11 Jul - 21 Jul	AirAsia
07 Jul - 19 Jul	AirAsia
01 Jul - 16 Jul	AirAsia
07 Jul - 30 Jul	AirAsia
08 Jul - 10 Jul	AirAsia
30 Jul - 07 Aug	AirAsia
30 Jul - 16 Aug	AirAsia
30 Jul - 12 Aug	AirAsia
30 Jul - 09 Aug	AirAsia
08 Jul - 11 Aug	AirAsia
28 Jul - 11 Aug	AirAsia
08 Jul - 05 Aug	AirAsia

Also check the deals for one-way flights from Hong Kong to Sydney in July.

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 July from $378

Return flights