AirHint found the following cheapest one-way flights from Rome (FCO) to Helsinki (HEL) in December 2025 (see full year).

One-Way flights

14 Dec	Norwegian Air Sweden AOC
04 Dec	Ryanair
05 Dec	Norwegian Air Sweden AOC
22 Dec	Norwegian Air Sweden AOC
10 Dec	ITA Airways
07 Dec	KLM
10 Dec	Finnair	direct
06 Dec	Air France
24 Dec	KLM
04 Dec	Finnair	direct

Also check the deals for return flights from Rome to Helsinki in December.

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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Cheapest one-way flights from Rome to Helsinki in December from $83

One-Way flights