Cheapest return OPO–HEL flights, May

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

Return flights

26 May - 02 Jun Ryanair
26 May - 03 Jun Ryanair
21 May - 27 May Ryanair
25 May - 03 Jun Wizz Air
08 May - 10 May Ryanair
07 May - 14 May easyJet
07 May - 15 May easyJet
16 May - 23 May Ryanair
22 May - 30 May Ryanair
08 May - 11 May Ryanair
17 May - 23 May Ryanair
17 May - 20 May Ryanair
05 May - 08 May Ryanair

Also check the deals for one-way flights from Porto to Helsinki in May.

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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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