Cheapest return flights from Oslo to Belgrade in September from $163

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

Return flights

22 Sep - 29 Sep Ryanair
22 Sep - 29 Sep Norwegian direct
20 Sep - 29 Sep Norwegian direct
22 Sep - 01 Oct Norwegian direct
22 Sep - 06 Oct Norwegian direct
21 Sep - 26 Sep Air Serbia
20 Sep - 01 Oct Norwegian direct
20 Sep - 06 Oct Norwegian direct
21 Sep - 28 Sep Air Serbia
21 Sep - 26 Sep Air Serbia direct
22 Sep - 08 Oct Norwegian direct
20 Sep - 22 Sep Ryanair
20 Sep - 22 Sep Norwegian direct
22 Sep - 11 Oct Norwegian direct
20 Sep - 08 Oct Norwegian direct
27 Sep - 29 Sep Norwegian direct
19 Sep - 22 Sep Norwegian Air Sweden AOC
27 Sep - 13 Oct Norwegian direct
27 Sep - 01 Oct Norwegian direct
27 Sep - 06 Oct Norwegian 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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