Cheapest one-way flights from Brussels to Barcelona in September from 30€

Best time to book flights for Brussels (BRU) to Barcelona (BCN) flights at AirHint

AirHint found the following cheapest one-way flights from Brussels (BRU) to Barcelona (BCN) in September 2025 (see full year).

One-Way flights

22 Sep Vueling Airlines direct
16 Sep Vueling Airlines direct
21 Sep Vueling Airlines direct
27 Sep Ryanair direct
17 Sep Ryanair direct
13 Sep Ryanair direct
10 Sep Ryanair direct
23 Sep Ryanair direct
28 Sep Ryanair direct
24 Sep Ryanair direct

Also check the deals for return flights from Brussels to Barcelona 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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