AirHint found the following cheapest return flights from Brussels (BRU) to Porto (OPO) in August 2026 (see full year).

Return flights

16 Aug - 06 Sep	Ryanair	direct
19 Aug - 06 Sep	Ryanair	direct
07 Aug - 15 Aug	Vueling Airlines
08 Aug - 15 Aug	Vueling Airlines
07 Aug - 14 Aug	Vueling Airlines
10 Aug - 17 Aug	Ryanair
05 Aug - 20 Aug	Ryanair
16 Aug - 29 Aug	Ryanair	direct
16 Aug - 28 Aug	Ryanair	direct
19 Aug - 29 Aug	Ryanair	direct
19 Aug - 28 Aug	Ryanair	direct
01 Aug - 16 Aug	Air Europa

Also check the deals for one-way flights from Brussels to Porto in August.

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 August from 137€

Return flights