AirHint found the following cheapest return flights from Brussels (BRU) to Porto (OPO)
in September 2025 (see full year ).
Return flights
28 Sep
- 08 Oct
Ryanair
$ 84
direct
27 Sep
- 08 Oct
Ryanair
$ 84
direct
12 Sep
- 25 Sep
Ryanair
$ 95
direct
12 Sep
- 24 Sep
Ryanair
$ 95
direct
28 Sep
- 14 Oct
Ryanair
$ 95
direct
28 Sep
- 17 Oct
Ryanair
$ 95
direct
27 Sep
- 14 Oct
Ryanair
$ 95
direct
27 Sep
- 17 Oct
Ryanair
$ 95
direct
12 Sep
- 17 Sep
Ryanair
$ 103
direct
28 Sep
- 04 Oct
Ryanair
$ 103
direct
27 Sep
- 04 Oct
Ryanair
$ 103
direct
18 Sep
- 08 Oct
Ryanair
$ 106
direct
13 Sep
- 25 Sep
Ryanair
$ 108
direct
13 Sep
- 24 Sep
Ryanair
$ 108
direct
09 Sep
- 25 Sep
Ryanair
$ 108
direct
09 Sep
- 24 Sep
Ryanair
$ 108
direct
05 Sep
- 25 Sep
Ryanair
$ 108
direct
05 Sep
- 24 Sep
Ryanair
$ 108
direct
19 Sep
- 08 Oct
Ryanair
$ 109
direct
12 Sep
- 18 Sep
Ryanair
$ 112
direct
Also check the deals for one-way flights from Brussels to Porto in September .
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.