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

Return flights

01 Dec - 10 Dec	Scoot
06 Dec - 17 Dec	Jetstar	direct
02 Dec - 10 Dec	Scoot
02 Dec - 09 Dec	Scoot
01 Dec - 05 Dec	Scoot
01 Dec - 08 Dec	Scoot
02 Dec - 11 Dec	Scoot
03 Dec - 10 Dec	Jetstar	direct
01 Dec - 18 Dec	Scoot
08 Dec - 16 Dec	Jetstar	direct
31 Dec - 21 Jan	Jetstar	direct
31 Dec - 07 Jan	Jetstar
31 Dec - 07 Jan	Jetstar	direct
30 Dec - 13 Jan	Jetstar	direct
30 Dec - 01 Jan	AirAsia X
30 Dec - 02 Jan	AirAsia X
30 Dec - 07 Jan	Jetstar	direct
08 Dec - 21 Jan	Jetstar
31 Dec - 09 Jan	Jetstar	direct
30 Dec - 09 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 $470

Return flights