AirHint found the following cheapest return flights from Portland (PDX) to Zurich (ZRH) in March 2026 (see full year).

Return flights

02 Mar - 28 Mar	Air Canada
04 Mar - 28 Mar	Air Canada
08 Mar - 28 Mar	Air Canada
06 Mar - 28 Mar	Air Canada
10 Mar - 04 Apr	Icelandair
12 Mar - 04 Apr	Condor
15 Mar - 04 Apr	Finnair
18 Mar - 11 Apr	Lufthansa

Also check the deals for one-way flights from Portland to Zurich in March.

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 Portland to Zurich in March from $702

Return flights