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

Return flights

02 Dec - 07 Dec	Hong Kong Airlines
24 Dec - 27 Dec	Qantas	direct
11 Dec - 17 Dec	Japan Airlines
17 Dec - 22 Dec	Qantas	direct
20 Dec - 05 Jan	Hong Kong Airlines
19 Dec - 04 Jan	AirAsia X
17 Dec - 20 Dec	Qantas	direct
19 Dec - 03 Jan	AirAsia X
18 Dec - 21 Dec	Hong Kong Airlines
30 Dec - 02 Jan	AirAsia X
29 Dec - 31 Dec	AirAsia X
28 Dec - 30 Dec	AirAsia X
20 Dec - 05 Jan	Qantas	direct
20 Dec - 03 Jan	Cathay Pacific
29 Dec - 31 Dec	Qantas	direct
31 Dec - 03 Jan	Qantas	direct
20 Dec - 03 Jan	Qantas	direct
29 Dec - 03 Jan	Qantas	direct
27 Dec - 03 Jan	Qantas	direct

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 782€

Return flights