AirHint found the following cheapest return flights from Oakland (OAK) to Zurich (ZRH) in May 2026 (see full year).
Return flights
| 26 May - 09 Jun | Icelandair | ||
| 01 May - 18 May | Icelandair | ||
| 08 May - 25 May | Icelandair | ||
| 23 May - 06 Jun | Icelandair |
Also check the deals for one-way flights from Oakland to Zurich in May.
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