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

Return flights

23 Sep - 30 Sep	China Airlines
26 Sep - 04 Oct	EVA Air
23 Sep - 01 Oct	EVA Air
22 Sep - 29 Sep	Asiana Airlines
21 Sep - 28 Sep	Asiana Airlines
25 Sep - 02 Oct	Hawaiian Airlines
25 Sep - 28 Sep	EVA Air
29 Sep - 06 Oct	EVA Air
23 Sep - 27 Sep	EVA Air
25 Sep - 13 Oct	EVA Air
26 Sep - 29 Sep	Asiana Airlines
25 Sep - 09 Oct	EVA Air
22 Sep - 27 Sep	EVA Air
19 Sep - 22 Sep	Korean Air
26 Sep - 10 Oct	Japan Airlines

Also check the deals for one-way flights from Oakland 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 Oakland to Taipei in September from $924

Return flights