Cheapest return flights from Porto to Helsinki in December from 213€

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 December 2025 (see full year).

Return flights

01 Dec - 05 Dec Scandinavian Airlines
08 Dec - 12 Dec Scandinavian Airlines
09 Dec - 14 Dec Lufthansa
01 Dec - 08 Dec Scandinavian Airlines
05 Dec - 15 Dec Scandinavian Airlines
08 Dec - 14 Dec Lufthansa
02 Dec - 08 Dec Lufthansa
01 Dec - 07 Dec Lufthansa
26 Dec - 03 Jan Lufthansa
19 Dec - 24 Dec Scandinavian Airlines
19 Dec - 23 Dec Lufthansa

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

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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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