AirHint found the following cheapest return flights from Rome (FCO) to Trondheim (TRD) in October 2025 (see full year).

Return flights

24 Oct - 27 Oct	Wizz Air
22 Oct - 27 Oct	Wizz Air Malta
22 Oct - 29 Oct	Wizz Air Malta
24 Oct - 26 Oct	Wizz Air
22 Oct - 26 Oct	Wizz Air Malta
24 Oct - 02 Nov	Wizz Air
23 Oct - 27 Oct	Vueling Airlines
23 Oct - 29 Oct	Wizz Air Malta
15 Oct - 19 Oct	Wizz Air Malta
08 Oct - 14 Oct	Wizz Air
24 Oct - 28 Oct	Wizz Air

Also check the deals for one-way flights from Rome to Trondheim in October.

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 Trondheim in October from $137

Return flights