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

Return flights

22 Sep - 23 Sep	Ryanair
18 Sep - 22 Sep	Norwegian Air Sweden AOC
30 Sep - 02 Oct	Wizz Air Malta
22 Sep - 24 Sep	Ryanair
25 Sep - 29 Sep	Ryanair
17 Sep - 22 Sep	Wizz Air Malta
25 Sep - 27 Sep	Ryanair
25 Sep - 30 Sep	Ryanair
11 Sep - 15 Sep	Ryanair
22 Sep - 26 Sep	Ryanair
18 Sep - 20 Sep	Ryanair
26 Sep - 04 Oct	Ryanair
30 Sep - 01 Oct	Wizz Air Malta
27 Sep - 01 Oct	Vueling Airlines
30 Sep - 04 Oct	Ryanair
28 Sep - 01 Oct	easyJet
28 Sep - 02 Oct	Aeroitalia
30 Sep - 03 Oct	Wizz Air Malta
29 Sep - 01 Oct	Ryanair
27 Sep - 20 Oct	Vueling Airlines

Also check the deals for one-way flights from Rome to Helsinki in September.

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 September from $179

Return flights