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

Return flights

13 Dec - 29 Dec	AirAsia X
18 Dec - 30 Dec	China Southern
05 Dec - 11 Dec	Qatar Airways
06 Dec - 11 Dec	Virgin Australia
18 Dec - 29 Dec	Hainan Airlines
06 Dec - 07 Dec	Batik Air Malaysia
05 Dec - 18 Dec	Virgin Australia
10 Dec - 18 Dec	Scoot
05 Dec - 10 Dec	Virgin Australia
10 Dec - 27 Dec	Scoot
08 Dec - 15 Jan	AirAsia X
10 Dec - 31 Jan	KLM
13 Dec - 16 Jan	AirAsia X
17 Dec - 04 Jan	AirAsia X
17 Dec - 06 Jan	AirAsia X
06 Dec - 31 Jan	KLM
09 Dec - 12 Jan	KLM
20 Dec - 11 Jan	Jetstar
20 Dec - 12 Jan	Jetstar
20 Dec - 09 Jan	Jetstar

Also check the deals for one-way flights from Sydney to Amsterdam 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 Amsterdam in December from 1085€

Return flights