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

Return flights

04 May - 11 May	Scandinavian Airlines
07 May - 30 May	Iberia
08 May - 30 May	Turkish Airlines
17 May - 30 May	Iberia
04 May - 11 May	SWISS	direct
23 May - 13 Jun	Iberia For Level
22 May - 13 Jun	Scandinavian Airlines
07 May - 30 May	United	direct
08 May - 30 May	United	direct
17 May - 30 May	United	direct
22 May - 13 Jun	SWISS	direct
23 May - 13 Jun	United	direct

Also check the deals for one-way flights from San Francisco to Zurich 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.

Book a cheap hotel in Zurich

Cheap car rent in Zurich

Cheapest return flights from San Francisco to Zurich in May from 481€

Return flights