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

Return flights

13 May - 20 May	Cathay Pacific
13 May - 23 May	Cathay Pacific
17 May - 25 May	Cathay Pacific
17 May - 24 May	Cathay Pacific
01 May - 10 May	Cathay Pacific
01 May - 14 May	Cathay Pacific
01 May - 14 May	United	direct
13 May - 20 May	United	direct
13 May - 23 May	China Airlines	direct

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

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 May from $642

Return flights