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

One-Way flights

16 Sep	Philippine Airlines
14 Sep	Philippine Airlines
18 Sep	Philippine Airlines
07 Sep	Philippine Airlines
01 Sep	Philippine Airlines
02 Sep	Philippine Airlines
03 Sep	Philippine Airlines
08 Sep	Philippine Airlines
25 Sep	Philippine Airlines
24 Sep	Philippine Airlines

Also check the deals for return flights from San Francisco 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 San Francisco to Taipei in September from $309

One-Way flights