AirHint found the following cheapest one-way flights from Belgrade (BEG) to Oslo (OSL) in September 2025 (see full year).

One-Way flights

23 Sep	Wizz Air
30 Sep	Wizz Air
24 Sep	Wizz Air
25 Sep	Air Serbia	direct
26 Sep	Air Serbia	direct
24 Sep	Air Serbia	direct
20 Sep	Norwegian	direct
22 Sep	Norwegian	direct
21 Sep	Air Serbia
21 Sep	Air Serbia	direct

Also check the deals for return flights from Belgrade to Oslo 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 one-way flights from Belgrade to Oslo in September from $89

One-Way flights