AirHint found the following cheapest return flights from Sydney (SYD) to Phuket (HKT) in December 2025 (see full year).

Return flights

17 Dec - 23 Dec	Virgin Australia
20 Dec - 24 Dec	Virgin Australia
27 Dec - 30 Dec	AirAsia X
31 Dec - 15 Jan	AirAsia X
30 Dec - 15 Jan	AirAsia X
27 Dec - 31 Dec	AirAsia X
30 Dec - 14 Jan	AirAsia X
17 Dec - 25 Dec	Batik Air Malaysia
25 Dec - 29 Dec	AirAsia X
25 Dec - 30 Dec	AirAsia X
17 Dec - 29 Dec	Batik Air Malaysia
24 Dec - 30 Dec	AirAsia X
23 Dec - 27 Dec	Scoot
29 Dec - 14 Jan	AirAsia X
31 Dec - 13 Jan	Virgin Australia
31 Dec - 29 Jan	Scoot
27 Dec - 12 Jan	Hainan Airlines
31 Dec - 12 Jan	AirAsia X
30 Dec - 12 Jan	AirAsia X
30 Dec - 13 Jan	AirAsia X

Also check the deals for one-way flights from Sydney to Phuket in December.

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 Sydney to Phuket in December from $659

Return flights