Cheapest one-way flights from Helsinki to Porto in July from $111

AirHint found the following cheapest one-way flights from Helsinki (HEL) to Porto (OPO) in July 2025 (see full year).

One-Way flights

31 Jul Norwegian Air Sweden AOC
29 Jul Norwegian Air Sweden AOC
26 Jul Norwegian Air Sweden AOC
21 Jul Ryanair
28 Jul Ryanair
22 Jul KLM
25 Jul Norwegian Air Sweden AOC
24 Jul Norwegian Air Sweden AOC
23 Jul KLM
27 Jul Norwegian Air Sweden AOC

Also check the deals for return flights from Helsinki to Porto in July.

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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