Cheapest return flights from Porto to Helsinki in December from $230

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

Return flights

10 Dec - 14 Dec Ryanair
04 Dec - 09 Dec Ryanair
15 Dec - 21 Dec KLM
27 Dec - 04 Jan Ryanair
27 Dec - 03 Jan Ryanair
26 Dec - 03 Jan Scandinavian Airlines
20 Dec - 26 Dec Ryanair
19 Dec - 23 Dec Lufthansa
27 Dec - 30 Dec Lufthansa

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

Book a cheap hotel in Helsinki

Cheap car rent in Helsinki

Feel free to contact us with any feedback or request another flight research.