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

Return flights

31 Dec - 05 Jan	T'way Air
15 Dec - 22 Dec	Air China
08 Dec - 15 Dec	China Airlines
04 Dec - 06 Dec	AirAsia X
01 Dec - 06 Dec	AirAsia X
20 Dec - 24 Dec	Qantas	direct
24 Dec - 12 Jan	AirAsia X
15 Dec - 20 Dec	Air China
15 Dec - 21 Dec	Air China
20 Dec - 09 Jan	AirAsia X
30 Dec - 19 Jan	AirAsia X
04 Dec - 12 Dec	AirAsia X
04 Dec - 15 Dec	AirAsia X
22 Dec - 09 Jan	AirAsia X
21 Dec - 09 Jan	AirAsia X
01 Dec - 12 Dec	AirAsia X
31 Dec - 03 Jan	T'way Air
20 Dec - 07 Jan	AirAsia X
30 Dec - 16 Jan	AirAsia X
22 Dec - 07 Jan	AirAsia X

Also check the deals for one-way flights from Sapporo 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 Sapporo to Sydney in December from 883€

Return flights