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

Return flights

27 Dec - 05 Jan	China Eastern
25 Dec - 03 Jan	China Eastern
11 Dec - 16 Dec	China Eastern
17 Dec - 31 Jan	Japan Airlines
30 Dec - 13 Jan	Japan Airlines
02 Dec - 07 Dec	Japan Airlines
01 Dec - 10 Dec	Japan Airlines
02 Dec - 10 Dec	Japan Airlines
01 Dec - 07 Dec	Japan Airlines
27 Dec - 13 Jan	Japan Airlines
02 Dec - 09 Dec	Japan Airlines
04 Dec - 09 Dec	Japan Airlines
01 Dec - 09 Dec	Japan Airlines
29 Dec - 12 Jan	Japan Airlines
18 Dec - 25 Dec	Japan Airlines
21 Dec - 01 Jan	Japan Airlines
30 Dec - 11 Jan	Japan Airlines
21 Dec - 08 Jan	Japan Airlines
20 Dec - 08 Jan	Japan Airlines
15 Dec - 24 Dec	Japan Airlines

Also check the deals for one-way flights from Taipei 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 Taipei to Sydney in December from $1069

Return flights