Cheapest return flights from Porto to Brussels in September from 91€

Best time to book flights for Porto (OPO) to Brussels (BRU) flights at AirHint

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

Return flights

11 Sep - 29 Sep Ryanair direct
11 Sep - 28 Sep Ryanair direct
11 Sep - 22 Sep Ryanair direct
11 Sep - 30 Sep Ryanair direct
24 Sep - 29 Sep Ryanair direct
24 Sep - 28 Sep Ryanair direct
24 Sep - 30 Sep Ryanair direct
11 Sep - 23 Sep Ryanair direct
12 Sep - 29 Sep Ryanair direct
12 Sep - 28 Sep Ryanair direct
24 Sep - 06 Oct Ryanair direct
26 Sep - 06 Oct Ryanair direct
24 Sep - 14 Oct Ryanair
22 Sep - 06 Oct Ryanair direct
18 Sep - 06 Oct Ryanair direct
25 Sep - 06 Oct Ryanair direct
29 Sep - 06 Oct Ryanair direct
23 Sep - 06 Oct Ryanair direct
26 Sep - 14 Oct Ryanair
30 Sep - 14 Oct Ryanair

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