Cheapest return flights from Porto to Brussels in September from $120

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

26 Sep - 29 Sep TAP
17 Sep - 29 Sep Ryanair direct
17 Sep - 28 Sep Ryanair direct
17 Sep - 06 Oct Ryanair direct
17 Sep - 07 Oct Ryanair direct
26 Sep - 29 Sep Ryanair direct
26 Sep - 28 Sep Ryanair direct
12 Sep - 29 Sep Ryanair direct
12 Sep - 28 Sep Ryanair direct
17 Sep - 21 Sep Ryanair direct
26 Sep - 06 Oct Ryanair direct
26 Sep - 07 Oct Ryanair direct
30 Sep - 06 Oct Ryanair direct
30 Sep - 07 Oct Ryanair direct
24 Sep - 06 Oct Vueling Airlines
24 Sep - 07 Oct Vueling Airlines
18 Sep - 06 Oct Vueling Airlines
18 Sep - 07 Oct Vueling Airlines
24 Sep - 29 Sep Vueling Airlines
24 Sep - 28 Sep Vueling Airlines

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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