AirHint found the following cheapest return flights from Taipei (TPE) to San Francisco (SFO) in August 2026 (see full year).

Return flights

21 Aug - 30 Sep	Philippine Airlines
21 Aug - 28 Aug	Philippine Airlines
14 Aug - 21 Aug	Philippine Airlines
10 Aug - 23 Aug	Philippine Airlines
06 Aug - 15 Aug	Philippine Airlines
14 Aug - 04 Sep	Philippine Airlines
21 Aug - 31 Aug	Cathay Pacific
21 Aug - 30 Aug	Cathay Pacific
19 Aug - 31 Aug	Philippine Airlines
01 Aug - 08 Aug	Philippine Airlines
21 Aug - 29 Aug	Cathay Pacific
21 Aug - 29 Aug	China Airlines	direct
14 Aug - 04 Sep	United	direct

Also check the deals for one-way flights from Taipei to San Francisco in August.

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 Taipei to San Francisco in August from $557

Return flights