AirHint found the following cheapest return flights from Rome (ROM) to Oslo (OSL) in August 2025 (see full year).

Return flights

21 Aug - 25 Aug	Wizz Air
20 Aug - 27 Aug	Wizz Air
21 Aug - 27 Aug	Wizz Air
19 Aug - 25 Aug	Wizz Air
21 Aug - 28 Aug	Wizz Air
30 Aug - 03 Sep	Wizz Air
13 Aug - 20 Aug	Wizz Air
24 Aug - 27 Aug	Wizz Air
20 Aug - 24 Aug	Wizz Air
27 Aug - 31 Aug	Wizz Air
13 Aug - 17 Aug	Wizz Air
29 Aug - 05 Sep	Wizz Air
30 Aug - 06 Sep	Wizz Air Malta
21 Aug - 03 Sep	Wizz Air
30 Aug - 15 Sep	Vueling Airlines
26 Aug - 15 Sep	Vueling Airlines
28 Aug - 04 Sep	Norwegian
30 Aug - 15 Sep	Norwegian	direct
28 Aug - 15 Sep	Norwegian	direct
26 Aug - 15 Sep	Norwegian	direct

Also check the deals for one-way flights from Rome to Oslo in August.

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 Oslo in August from $120

Return flights