Cheapest one-way flights from Hong Kong to Sydney in September from $173

Best time to book flights for Hong Kong (HKG) to Sydney (SYD) flights at AirHint

AirHint found the following cheapest one-way flights from Hong Kong (HKG) to Sydney (SYD) in September 2025 (see full year).

One-Way flights

04 Sep Cebu Pacific
25 Sep AirAsia
02 Sep Cebu Pacific
17 Sep HK Express
11 Sep HK Express
15 Sep Scoot Tigerair
08 Sep Scoot Tigerair
18 Sep Scoot Tigerair
21 Sep Scoot Tigerair
14 Sep Scoot Tigerair

Also check the deals for return flights from Hong Kong to Sydney in September.

Skyscanner

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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