Cheapest return flights from Belgrade to Porto in May from $237

AirHint found the following cheapest return flights from Belgrade (BEG) to Porto (OPO) in May 2026 (see full year).

Return flights

15 May - 19 May SWISS
17 May - 21 May Air Serbia
14 May - 19 May Air Serbia
14 May - 14 May Air Serbia
28 May - 04 Jun Air Serbia direct
17 May - 21 May Air Serbia direct
14 May - 17 May Air Serbia direct

Also check the deals for one-way flights from Belgrade to Porto in May.

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