Cheapest return flights from Oslo to Belgrade in September from $153

Best time to book flights for Oslo (OSL) to Belgrade (BEG) flights at AirHint

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

Return flights

08 Sep - 15 Sep Air Serbia direct
13 Sep - 15 Sep Norwegian direct
13 Sep - 20 Sep Norwegian direct
03 Sep - 15 Sep Norwegian direct
03 Sep - 20 Sep Norwegian direct
06 Sep - 15 Sep Norwegian direct
03 Sep - 10 Sep Norwegian direct
06 Sep - 20 Sep Norwegian direct
10 Sep - 15 Sep Norwegian direct
06 Sep - 10 Sep Norwegian direct
26 Sep - 04 Oct Air Serbia direct

Also check the deals for one-way flights from Oslo to Belgrade in September.

Skyscanner

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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