Cheapest return LIS–HEL flights, December

AirHint found the following cheapest return flights from Lisbon (LIS) to Helsinki (HEL) in December 2026 (see full year).

Return flights

05 Dec - 09 Dec Ryanair
09 Dec - 16 Dec Ryanair
23 Dec - 30 Dec Finnair
30 Dec - 08 Jan TAP
24 Dec - 28 Dec easyJet
09 Dec - 16 Dec Finnair direct
25 Dec - 31 Dec Finnair
26 Dec - 01 Jan Finnair
30 Dec - 08 Jan Finnair direct
20 Dec - 27 Dec Finnair direct

Also check the deals for one-way flights from Lisbon 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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