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

Return flights

13 Aug - 20 Aug	SWISS
12 Aug - 19 Aug	United
18 Aug - 27 Aug	SWISS
20 Aug - 27 Aug	United
31 Aug - 10 Sep	Scandinavian Airlines
14 Aug - 21 Aug	United
18 Aug - 25 Aug	United
22 Aug - 29 Aug	United
30 Aug - 07 Sep	SWISS
16 Aug - 23 Aug	United
10 Aug - 17 Aug	United
08 Aug - 15 Aug	United

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

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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Cheapest return flights from Phoenix to Zurich in August from $601

Return flights