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

Return flights

26 Dec - 31 Dec	Xiamen Airlines
04 Dec - 02 Jan	Garuda Indonesia
07 Dec - 05 Jan	Garuda Indonesia
26 Dec - 10 Jan	Xiamen Airlines
01 Dec - 02 Jan	Air India
03 Dec - 02 Jan	Air India
18 Dec - 27 Dec	Garuda Indonesia
31 Dec - 20 Jan	Air India
30 Dec - 21 Jan	Air India
24 Dec - 21 Jan	Air India
17 Dec - 04 Jan	Air India
27 Dec - 03 Jan	Air India
04 Dec - 08 Dec	China Southern
01 Dec - 08 Dec	China Southern
02 Dec - 13 Dec	Turkish Airlines
19 Dec - 31 Dec	Xiamen Airlines
19 Dec - 29 Dec	Xiamen Airlines
04 Dec - 18 Dec	Garuda Indonesia
11 Dec - 28 Dec	China Southern
10 Dec - 24 Dec	China Southern

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 860€

Return flights