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

Return flights

12 May - 24 May	Condor
01 May - 23 May	Scandinavian Airlines
18 May - 25 May	Scandinavian Airlines
19 May - 02 Jun	Condor
14 May - 21 May	Scandinavian Airlines
17 May - 24 May	Scandinavian Airlines
21 May - 06 Jun	Condor
22 May - 05 Jun	Condor
22 May - 13 Jun	Condor
23 May - 13 Jun	Condor

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.

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Cheapest return flights from San Francisco to Zurich in May from $578

Return flights