Cheapest return flights from Brussels to Porto in September from $86

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

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

Return flights

28 Sep - 15 Oct Ryanair direct
28 Sep - 16 Oct Ryanair direct
22 Sep - 08 Oct Ryanair direct
28 Sep - 08 Oct Ryanair direct
23 Sep - 08 Oct Ryanair direct
21 Sep - 08 Oct Ryanair direct
24 Sep - 15 Oct Vueling Airlines
26 Sep - 15 Oct Ryanair direct
26 Sep - 16 Oct Ryanair direct
27 Sep - 15 Oct Ryanair direct
01 Sep - 12 Sep Ryanair direct
01 Sep - 22 Sep Ryanair direct
01 Sep - 09 Sep Ryanair direct
22 Sep - 26 Sep Ryanair direct
22 Sep - 30 Sep Ryanair direct
28 Sep - 30 Sep Ryanair direct
23 Sep - 30 Sep Ryanair direct
21 Sep - 22 Sep Ryanair direct
21 Sep - 26 Sep Ryanair direct
21 Sep - 30 Sep Ryanair direct

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