AirHint found the following cheapest return flights from San Diego (SAN) to Zurich (ZRH) in May 2026 (see full year).
Return flights
| 13 May - 27 May | Delta | ||
| 10 May - 24 May | Delta | ||
| 25 May - 31 May | Lufthansa | ||
| 27 May - 07 Jun | Lufthansa |
Also check the deals for one-way flights from San Diego to Zurich in May.
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