Cheapest return flights from Helsinki to Porto in May from 183€

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

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

Return flights

15 May - 22 May Norwegian Air Sweden AOC
21 May - 26 May Scandinavian Airlines
05 May - 17 May Ryanair
07 May - 21 May Ryanair
15 May - 19 May Norwegian Air Sweden AOC
22 May - 28 May Ryanair
17 May - 24 May Ryanair
14 May - 19 May Norwegian Air Sweden AOC
02 May - 09 May Ryanair
09 May - 14 May Ryanair
31 May - 03 Jun KLM
17 May - 01 Jun Ryanair
26 May - 01 Jun Ryanair

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