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

Return flights

12 May - 20 May	Cathay Pacific
01 May - 06 May	Cathay Pacific
14 May - 17 May	Cathay Pacific
14 May - 30 Jun	Cathay Pacific
03 May - 13 May	Cathay Pacific
14 May - 18 May	Cathay Pacific
16 May - 27 May	Cathay Pacific
04 May - 12 May	United	direct
05 May - 12 May	United	direct
20 May - 25 May	United	direct
14 May - 18 May	United	direct
14 May - 30 Jun	China Airlines	direct
29 May - 16 Jun	Cathay Pacific
29 May - 20 Jun	Cathay Pacific
26 May - 02 Jun	Delta
26 May - 02 Jun	United	direct
29 May - 16 Jun	United	direct
13 May - 05 Jun	Delta

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 486€

Return flights