AirHint found the following cheapest return flights from Osaka (ITM) to Taipei (TPE) in September 2025 (see full year).

Return flights

03 Sep - 10 Sep	Ibex Airlines
26 Sep - 30 Sep	Japan Airlines
01 Sep - 04 Sep	Japan Airlines
01 Sep - 03 Sep	Japan Airlines
08 Sep - 10 Sep	Japan Airlines
04 Sep - 06 Sep	Japan Airlines
01 Sep - 05 Sep	Japan Airlines
08 Sep - 25 Sep	Japan Airlines
29 Sep - 06 Oct	ANA
06 Sep - 11 Sep	Japan Airlines
12 Sep - 15 Sep	Japan Airlines
25 Sep - 02 Oct	Japan Airlines
30 Sep - 07 Oct	ANA
28 Sep - 01 Oct	ANA
28 Sep - 05 Oct	ANA
15 Sep - 17 Oct	ANA

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

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 Osaka to Taipei in September from 310€

Return flights