AirHint found the following cheapest return flights from Seattle (SEA) to Zurich (ZRH) in May 2026 (see full year).
Return flights
| 02 May - 09 May | Icelandair | ||
| 17 May - 24 May | Icelandair | ||
| 27 May - 03 Jun | Icelandair | ||
| 07 May - 14 May | Icelandair | ||
| 22 May - 13 Jun | Condor |
Also check the deals for one-way flights from Seattle to Zurich in May.
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