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

Return flights

08 Sep - 17 Sep	Asiana Airlines
07 Sep - 14 Sep	China Airlines
06 Sep - 18 Oct	Asiana Airlines
02 Sep - 07 Sep	China Airlines
19 Sep - 05 Oct	China Airlines
09 Sep - 15 Sep	China Airlines
01 Sep - 08 Sep	China Airlines
19 Sep - 11 Oct	China Airlines
21 Sep - 18 Oct	Asiana Airlines
26 Sep - 05 Oct	EVA Air
06 Sep - 14 Sep	EVA Air
29 Sep - 06 Oct	Asiana Airlines
26 Sep - 06 Oct	Asiana Airlines
18 Sep - 12 Oct	Japan Airlines
05 Sep - 14 Sep	Korean Air
18 Sep - 11 Oct	Korean Air

Also check the deals for one-way flights from San Jose 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 San Jose to Taipei in September from $791

Return flights