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

Return flights

03 Dec - 05 Dec	Ryanair
04 Dec - 05 Dec	Ryanair
04 Dec - 06 Dec	Ryanair
03 Dec - 06 Dec	Ryanair
03 Dec - 04 Dec	Ryanair
11 Dec - 15 Dec	Ryanair
04 Dec - 10 Dec	Ryanair
11 Dec - 13 Dec	Ryanair
10 Dec - 15 Dec	Ryanair
10 Dec - 13 Dec	Ryanair
12 Dec - 16 Jan	Ryanair
21 Dec - 06 Jan	Ryanair
30 Dec - 04 Jan	Wizz Air
24 Dec - 03 Jan	Ryanair
22 Dec - 06 Jan	Wizz Air
23 Dec - 04 Jan	Ryanair
04 Dec - 02 Jan	Finnair
12 Dec - 16 Jan	Finnair	direct
22 Dec - 04 Jan	Ryanair
31 Dec - 05 Jan	Ryanair

Also check the deals for one-way 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 return flights from Rome to Helsinki in December from $171

Return flights