Cheapest return flights from Seattle to Zurich in August from $591

Best time to book flights for Seattle (SEA) to Zurich (ZRH) flights at AirHint

AirHint found the following cheapest return flights from Seattle (SEA) to Zurich (ZRH) in August 2025 (see full year).

Return flights

09 Aug - 25 Aug Condor
26 Aug - 02 Sep United
09 Aug - 25 Aug SWISS direct
21 Aug - 28 Aug United
16 Aug - 23 Aug United
06 Aug - 13 Aug United
31 Aug - 07 Sep United
11 Aug - 18 Aug United
01 Aug - 08 Aug United

Also check the deals for one-way flights from Seattle to Zurich in August.

Skyscanner

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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