Cheapest return flights from Lisbon to Helsinki in December from $252

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

Return flights

10 Dec - 14 Dec Scandinavian Airlines
05 Dec - 08 Dec KLM
17 Dec - 24 Dec KLM
10 Dec - 14 Dec Finnair direct
16 Dec - 22 Dec Lufthansa
19 Dec - 23 Dec Finnair
26 Dec - 02 Jan Ryanair
28 Dec - 02 Jan Norwegian Air Sweden AOC
16 Dec - 22 Dec Finnair direct
19 Dec - 23 Dec Finnair direct
26 Dec - 02 Jan Finnair direct
28 Dec - 02 Jan Finnair direct

Also check the deals for one-way flights from Lisbon 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.