AirHint found the following cheapest return flights from Oslo (OSL) to Belgrade (BEG) in January 2026 (see full year).

Return flights

31 Jan - 11 Feb	Norwegian	direct
31 Jan - 14 Feb	Norwegian	direct
21 Jan - 24 Jan	Norwegian	direct
21 Jan - 28 Jan	Norwegian	direct
28 Jan - 11 Feb	Norwegian	direct
28 Jan - 14 Feb	Norwegian	direct
15 Jan - 22 Jan	Air Serbia	direct
17 Jan - 24 Jan	Norwegian	direct
17 Jan - 28 Jan	Norwegian	direct
07 Jan - 24 Jan	Norwegian	direct
17 Jan - 25 Jan	Norwegian
15 Jan - 28 Jan	Air Serbia
19 Jan - 28 Jan	Air Serbia
11 Jan - 28 Jan	Air Serbia	direct

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

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 Oslo to Belgrade in January from $128

Return flights