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

Return flights

16 Jul - 18 Jul	Wizz Air Malta
23 Jul - 27 Jul	Wizz Air Malta
24 Jul - 27 Jul	Ryanair
31 Jul - 05 Aug	Ryanair
31 Jul - 14 Aug	Ryanair
24 Jul - 28 Jul	Ryanair
20 Jul - 24 Jul	Ryanair
31 Jul - 07 Aug	Ryanair
22 Jul - 25 Jul	Ryanair
03 Jul - 08 Jul	Vueling Airlines
27 Jul - 31 Jul	Ryanair
08 Jul - 15 Jul	Ryanair
10 Jul - 17 Jul	Air Serbia
31 Jul - 14 Aug	Air Serbia	direct
31 Jul - 07 Aug	Air Serbia	direct

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

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 Porto to Belgrade in July from $234

Return flights