AirHint found the following cheapest return flights from Cluj-napoca (CLJ) to Oslo (OSL) in August 2025 (see full year).

Return flights

21 Aug - 27 Aug	Ryanair
25 Aug - 31 Aug	Animawings
26 Aug - 05 Sep	LOT
27 Aug - 05 Sep	Lufthansa
12 Aug - 16 Aug	Ryanair
25 Aug - 05 Sep	Lufthansa
07 Aug - 10 Aug	Turkish Airlines
15 Aug - 17 Aug	Wizz Air Malta

Also check the deals for one-way flights from Cluj-napoca 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 Cluj-napoca to Oslo in August from $257

Return flights