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

Return flights

31 Dec - 20 Jan	Xiamen Airlines
04 Dec - 21 Dec	Turkish Airlines
01 Dec - 15 Dec	Turkish Airlines
04 Dec - 16 Dec	Turkish Airlines
01 Dec - 14 Dec	Turkish Airlines
08 Dec - 16 Jan	Turkish Airlines
31 Dec - 28 Jan	Turkish Airlines
01 Dec - 30 Jan	Turkish Airlines
06 Dec - 23 Dec	China Southern
27 Dec - 18 Jan	transavia
05 Dec - 29 Dec	China Southern
05 Dec - 30 Dec	China Southern
06 Dec - 11 Jan	China Southern
12 Dec - 10 Jan	SKY express
08 Dec - 08 Jan	Turkish Airlines
30 Dec - 12 Jan	Turkish Airlines
07 Dec - 26 Dec	Turkish Airlines
22 Dec - 30 Dec	IndiGo
13 Dec - 03 Jan	transavia
12 Dec - 31 Dec	Turkish Airlines

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 $1074

Return flights