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

Return flights

18 Jul - 21 Jul	Ryanair
30 Jul - 01 Aug	Vueling Airlines
30 Jul - 31 Jul	Vueling Airlines
30 Jul - 05 Aug	Vueling Airlines
30 Jul - 06 Aug	Vueling Airlines
16 Jul - 20 Jul	Ryanair
26 Jul - 30 Jul	Ryanair
26 Jul - 28 Jul	Ryanair
30 Jul - 03 Aug	Vueling Airlines
09 Jul - 14 Jul	Ryanair
29 Jul - 31 Jul	Ryanair
16 Jul - 21 Jul	Ryanair
16 Jul - 23 Jul	Ryanair
29 Jul - 03 Aug	Vueling Airlines
09 Jul - 11 Jul	Ryanair
31 Jul - 01 Aug	Ryanair	direct
30 Jul - 01 Aug	Ryanair	direct
30 Jul - 04 Aug	Ryanair
30 Jul - 05 Aug	Ryanair	direct
29 Jul - 04 Aug	Ryanair

Also check the deals for one-way flights from Brussels to Porto 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 Brussels to Porto in July from $221

Return flights