Cheapest return flights from Porto to Brussels in September from $114

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

12 Sep - 30 Sep Ryanair direct
12 Sep - 28 Sep Ryanair direct
26 Sep - 30 Sep Ryanair direct
26 Sep - 28 Sep Ryanair direct
30 Sep - 06 Oct Ryanair direct
26 Sep - 06 Oct Ryanair direct
25 Sep - 30 Sep Air Europa
25 Sep - 28 Sep Air Europa
12 Sep - 21 Sep Ryanair direct
18 Sep - 30 Sep Ryanair direct
18 Sep - 28 Sep Ryanair direct
18 Sep - 06 Oct Ryanair direct
18 Sep - 21 Sep Ryanair direct
27 Sep - 06 Oct Ryanair direct
19 Sep - 06 Oct Vueling Airlines
29 Sep - 06 Oct Vueling Airlines
16 Sep - 06 Oct Vueling Airlines
29 Sep - 06 Oct Ryanair direct
25 Sep - 06 Oct Ryanair direct
17 Sep - 06 Oct Ryanair direct

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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