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

Return flights

04 Dec - 09 Dec	Xiamen Airlines
25 Dec - 29 Dec	Xiamen Airlines
06 Dec - 10 Dec	Xiamen Airlines
25 Dec - 01 Jan	Xiamen Airlines
27 Dec - 01 Jan	Xiamen Airlines
14 Dec - 23 Dec	ANA
08 Dec - 13 Dec	ANA
03 Dec - 12 Dec	ANA
08 Dec - 16 Dec	ANA
10 Dec - 18 Dec	ANA
01 Dec - 12 Dec	ANA
14 Dec - 18 Dec	ANA
23 Dec - 01 Jan	ANA
24 Dec - 02 Jan	ANA
23 Dec - 03 Jan	ANA
20 Dec - 04 Jan	ANA
31 Dec - 04 Jan	ANA
20 Dec - 02 Jan	ANA
31 Dec - 03 Jan	ANA
25 Dec - 07 Jan	Japan Airlines

Also check the deals for one-way flights from Taipei to Osaka 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 Osaka in December from $320

Return flights