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

Return flights

04 Dec - 06 Dec	Scoot Tigerair
06 Dec - 10 Dec	Scoot Tigerair
06 Dec - 10 Dec	Qantas	direct
04 Dec - 06 Dec	Qantas	direct
03 Dec - 14 Dec	AirAsia X
10 Dec - 14 Dec	AirAsia X
09 Dec - 14 Dec	AirAsia X
08 Dec - 14 Dec	AirAsia X
04 Dec - 14 Dec	AirAsia X
05 Dec - 14 Dec	AirAsia X
10 Dec - 02 Jan	Scoot Tigerair
10 Dec - 02 Jan	Qantas	direct
10 Dec - 08 Jan	Scoot Tigerair
15 Dec - 28 Jan	Scoot Tigerair
13 Dec - 02 Jan	Qantas	direct
25 Dec - 04 Jan	Scoot Tigerair
25 Dec - 08 Jan	Qantas	direct
11 Dec - 29 Jan	Scoot Tigerair
11 Dec - 26 Jan	Qantas	direct
11 Dec - 27 Jan	Qantas	direct

Also check the deals for one-way flights from Sydney to Jakarta 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 Jakarta in December from $503

Return flights