Cheapest return flights from Lisbon to Helsinki in December from $216

Best time to book flights for Lisbon (LIS) to Helsinki (HEL) flights at AirHint

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

Return flights

04 Dec - 07 Dec Ryanair
06 Dec - 07 Dec Air France
01 Dec - 05 Dec Ryanair
04 Dec - 11 Dec Ryanair
06 Dec - 09 Dec Air France
04 Dec - 08 Dec Ryanair
01 Dec - 08 Dec Ryanair
18 Dec - 22 Dec Norwegian Air Sweden AOC
06 Dec - 09 Dec Finnair direct
06 Dec - 07 Dec Finnair direct
23 Dec - 03 Jan Finnair
23 Dec - 03 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.

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