AirHint found the following cheapest return flights from Phoenix (PHX) to Zurich (ZRH) in May 2026 (see full year).

Return flights

06 May - 13 May	SWISS
04 May - 11 May	British Airways
13 May - 20 May	British Airways
12 May - 19 May	British Airways
20 May - 27 May	Air Canada
20 May - 26 May	Air Canada
11 May - 11 Jun	British Airways
12 May - 12 Jun	British Airways
12 May - 02 Jun	British Airways
19 May - 25 May	Air France
20 May - 25 May	SWISS
21 May - 27 May	Air Canada
26 May - 03 Jun	United
21 May - 24 May	Air Canada

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

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 May from 389€

Return flights