AirHint found the following cheapest one-way flights from Osaka (KIX) to Taipei (TPE) in September 2025 (see full year).

One-Way flights

19 Sep	Thai VietJet Air	direct
24 Sep	Thai VietJet Air	direct
25 Sep	Thai VietJet Air	direct
11 Sep	Jetstar Japan	direct
03 Sep	Jetstar Japan	direct
04 Sep	Jetstar Japan	direct
17 Sep	Jetstar Japan	direct
23 Sep	Thai VietJet Air	direct
22 Sep	Thai VietJet Air	direct
16 Sep	Jetstar Japan	direct

Also check the deals for return 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 one-way flights from Osaka to Taipei in September from 73€

One-Way flights