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

Return flights

19 May - 26 May	easyJet	direct
16 May - 26 May	easyJet	direct
25 May - 03 Jun	easyJet	direct
22 May - 24 May	easyJet	direct
07 May - 10 May	easyJet	direct
22 May - 25 May	easyJet
02 May - 09 May	easyJet	direct
11 May - 16 May	easyJet	direct
14 May - 28 May	TAP	direct
11 May - 28 May	Vueling Airlines
14 May - 25 May	TAP
14 May - 04 Jun	Vueling Airlines
22 May - 04 Jun	Vueling Airlines

Also check the deals for one-way flights from Zurich to Porto 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 Zurich to Porto in May from $118

Return flights