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

Return flights

19 Dec - 31 Dec	Virgin Australia
31 Dec - 07 Jan	AirAsia X
27 Dec - 31 Dec	Scoot
27 Dec - 29 Dec	Scoot
29 Dec - 01 Jan	Scoot
26 Dec - 31 Dec	AirAsia X
19 Dec - 28 Dec	Virgin Australia
25 Dec - 28 Dec	Batik Air Malaysia
24 Dec - 28 Dec	AirAsia X
21 Dec - 28 Dec	Batik Air Malaysia
24 Dec - 27 Dec	Batik Air Malaysia
24 Dec - 30 Dec	Batik Air Malaysia
31 Dec - 05 Jan	AirAsia X
29 Dec - 07 Jan	AirAsia X
31 Dec - 14 Jan	Scoot
30 Dec - 13 Jan	AirAsia X
31 Dec - 08 Jan	AirAsia X
31 Dec - 11 Jan	Batik Air Malaysia
30 Dec - 08 Jan	AirAsia X
31 Dec - 12 Jan	Jetstar	direct

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 608€

Return flights