Cheapest return flights from Porto to Belgrade in September from $228

Best time to book flights for Porto (OPO) to Belgrade (BEG) flights at AirHint

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

Return flights

07 Sep - 11 Sep Air Serbia direct
04 Sep - 07 Sep Ryanair
04 Sep - 07 Sep Air Serbia direct
14 Sep - 22 Sep Air Serbia
14 Sep - 21 Sep Transavia France
14 Sep - 21 Sep Air Serbia direct
08 Sep - 12 Sep Volotea

Also check the deals for one-way flights from Porto 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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