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

Return flights

09 May - 15 May	Scoot
10 May - 22 May	Scoot
04 May - 17 May	Scoot
18 May - 28 May	Scoot
16 May - 24 May	Scoot
09 May - 16 May	Scoot
18 May - 27 May	Scoot
20 May - 31 May	Scoot
23 May - 31 May	Scoot
17 May - 31 May	Scoot
04 May - 08 Jun	Scoot
20 May - 06 Jun	AirAsia
25 May - 06 Jun	AirAsia
20 May - 09 Jun	AirAsia
25 May - 09 Jun	AirAsia
20 May - 07 Jun	AirAsia
25 May - 07 Jun	AirAsia
25 May - 11 Jun	AirAsia
15 May - 05 Jun	AirAsia
20 May - 05 Jun	AirAsia

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

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 May from 339€

Return flights