AirHint found the following cheapest return flights from Seattle (SEA) to Zurich (ZRH) in August 2026 (see full year).
Return flights
| 23 Aug - 05 Sep | Scandinavian Airlines | ||
| 21 Aug - 30 Aug | Scandinavian Airlines | ||
| 26 Aug - 08 Sep | Air Canada | ||
| 15 Aug - 15 Sep | SWISS |
Also check the deals for one-way flights from Seattle to Zurich in August.
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