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

Return flights

10 Dec - 15 Jan	China Southern
09 Dec - 27 Jan	China Southern
10 Dec - 14 Jan	China Southern
05 Dec - 30 Jan	China Southern
11 Dec - 12 Jan	China Southern
11 Dec - 15 Jan	China Southern
28 Dec - 17 Jan	China Southern
27 Dec - 13 Jan	China Southern
31 Dec - 17 Jan	China Southern
31 Dec - 24 Jan	China Southern
03 Dec - 14 Dec	Turkish Airlines
01 Dec - 15 Dec	Turkish Airlines
01 Dec - 09 Dec	Turkish Airlines
03 Dec - 10 Dec	Turkish Airlines
01 Dec - 22 Dec	Turkish Airlines
11 Dec - 31 Dec	China Southern
03 Dec - 07 Dec	Xiamen Airlines
10 Dec - 29 Dec	China Southern
06 Dec - 27 Dec	China Southern
06 Dec - 30 Dec	China Southern

Also check the deals for one-way flights from Amsterdam to Sydney 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 Amsterdam to Sydney in December from $938

Return flights