AirHint found the following cheapest return flights from Rome (CIA) to Oslo (OSL) in August 2026 (see full year).

Return flights

02 Aug - 14 Aug	Ryanair
06 Aug - 16 Aug	Ryanair
25 Aug - 05 Sep	Ryanair
24 Aug - 01 Sep	Ryanair
25 Aug - 31 Aug	Ryanair
31 Aug - 05 Sep	Ryanair
20 Aug - 24 Aug	Ryanair
07 Aug - 14 Aug	Ryanair
20 Aug - 22 Aug	Ryanair
07 Aug - 16 Aug	Ryanair
25 Aug - 29 Aug	Ryanair
14 Aug - 24 Aug	Ryanair
09 Aug - 13 Aug	Ryanair
26 Aug - 03 Sep	Ryanair
29 Aug - 05 Sep	Ryanair
30 Aug - 05 Sep	Ryanair
29 Aug - 04 Sep	Ryanair

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 $168

Return flights