Cheapest one-way flights from Helsinki to Porto in December from 214€

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

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

One-Way flights

17 Dec airBaltic
20 Dec airBaltic

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

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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