Cheapest return flights from Porto to Helsinki in May from $234

Best time to book flights for Porto (OPO) to Helsinki (HEL) flights at AirHint

AirHint found the following cheapest return flights from Porto (OPO) to Helsinki (HEL) in May 2025 (see full year).

Return flights

26 May - 30 May Ryanair
22 May - 30 May Ryanair
26 May - 29 May Ryanair
20 May - 23 May Ryanair
14 May - 17 May Ryanair
23 May - 31 May Ryanair
30 May - 07 Jun Ryanair
18 May - 24 May Ryanair
22 May - 25 May easyJet
28 May - 29 May TAP
27 May - 29 May Vueling Airlines
30 May - 02 Jun Ryanair
30 May - 01 Jun Ryanair
31 May - 09 Jun Ryanair

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

Skyscanner

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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