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

Return flights

01 Dec - 10 Dec	Batik Air Malaysia
01 Dec - 08 Dec	Batik Air Malaysia
01 Dec - 06 Dec	Scoot
01 Dec - 14 Dec	Scoot
04 Dec - 16 Dec	Jetstar
01 Dec - 07 Dec	Scoot
02 Dec - 11 Dec	Scoot
02 Dec - 07 Dec	Scoot
04 Dec - 09 Dec	Jetstar
05 Dec - 10 Dec	Jetstar
04 Dec - 01 Jan	Jetstar
02 Dec - 02 Jan	Scoot
11 Dec - 31 Jan	Jetstar
09 Dec - 09 Jan	Jetstar
31 Dec - 14 Jan	Scoot
12 Dec - 24 Jan	Jetstar
09 Dec - 13 Jan	Jetstar
30 Dec - 20 Jan	Scoot
31 Dec - 31 Jan	Scoot
09 Dec - 12 Jan	Jetstar

Also check the deals for one-way flights from Sydney to Kuala Lumpur 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 Kuala Lumpur in December from 339€

Return flights