AirHint found the following cheapest return flights from Sydney (SYD) to Ho Chi Minh City (SGN) in December 2025 (see full year).

Return flights

30 Dec - 07 Jan	AirAsia X
30 Dec - 06 Jan	AirAsia X
31 Dec - 09 Jan	AirAsia X
27 Dec - 07 Jan	AirAsia X
22 Dec - 23 Dec	Jetstar
22 Dec - 24 Dec	Jetstar
25 Dec - 28 Dec	Jetstar	direct
28 Dec - 06 Jan	AirAsia X
25 Dec - 26 Dec	Jetstar
27 Dec - 05 Jan	AirAsia X
30 Dec - 31 Jan	AirAsia X
25 Dec - 30 Dec	Jetstar	direct
28 Dec - 30 Dec	Jetstar	direct
31 Dec - 16 Jan	AirAsia X
31 Dec - 14 Jan	AirAsia X
22 Dec - 26 Dec	Jetstar
24 Dec - 30 Dec	Jetstar
26 Dec - 29 Dec	Scoot
28 Dec - 29 Dec	Scoot
29 Dec - 09 Jan	AirAsia X

Also check the deals for one-way flights from Sydney to Ho Chi Minh City 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 Ho Chi Minh City in December from 619€

Return flights