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

Return flights

29 Aug - 03 Sep	China Eastern
27 Aug - 31 Aug	Xiamen Airlines
30 Aug - 02 Sep	China Eastern
27 Aug - 01 Sep	Xiamen Airlines
26 Aug - 04 Sep	Xiamen Airlines
28 Aug - 03 Sep	Xiamen Airlines
27 Aug - 03 Sep	Xiamen Airlines
28 Aug - 02 Sep	Xiamen Airlines
26 Aug - 03 Sep	Xiamen Airlines
28 Aug - 01 Sep	Xiamen Airlines
26 Aug - 02 Sep	Xiamen Airlines
25 Aug - 27 Aug	Xiamen Airlines
26 Aug - 29 Aug	ANA
28 Aug - 31 Aug	Japan Airlines
27 Aug - 29 Aug	ANA
26 Aug - 30 Aug	ANA
28 Aug - 30 Aug	ANA
27 Aug - 30 Aug	ANA
26 Aug - 28 Aug	ANA
25 Aug - 29 Aug	Japan Airlines

Also check the deals for one-way flights from Taipei to Osaka in August.

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 August from 229€

Return flights