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

Return flights

04 Sep - 06 Sep	Japan Airlines
19 Sep - 22 Sep	Japan Airlines
24 Sep - 28 Sep	ANA
25 Sep - 30 Sep	ANA
17 Sep - 19 Sep	Japan Airlines
17 Sep - 24 Sep	Japan Airlines
15 Sep - 25 Sep	ANA
22 Sep - 26 Sep	Japan Airlines
08 Sep - 11 Sep	Japan Airlines
01 Sep - 06 Sep	Japan Airlines
25 Sep - 02 Oct	Japan Airlines
27 Sep - 02 Oct	ANA
19 Sep - 07 Oct	Japan Airlines
19 Sep - 04 Oct	ANA
22 Sep - 05 Oct	ANA
27 Sep - 06 Oct	ANA
04 Sep - 04 Oct	ANA
20 Sep - 04 Oct	ANA
28 Sep - 05 Oct	ANA
30 Sep - 01 Oct	Japan Airlines

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 $465

Return flights