Cheapest return flights from Bilbao to Brussels in September from 90€

Best time to book flights for Bilbao (BIO) to Brussels (BRU) flights at AirHint

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

Return flights

02 Sep - 10 Sep Vueling Airlines direct
02 Sep - 14 Sep Vueling Airlines direct
02 Sep - 09 Sep Vueling Airlines direct
02 Sep - 21 Sep Vueling Airlines direct
07 Sep - 10 Sep Vueling Airlines direct
07 Sep - 14 Sep Vueling Airlines direct
10 Sep - 14 Sep Vueling Airlines direct
07 Sep - 09 Sep Vueling Airlines direct
07 Sep - 21 Sep Vueling Airlines direct
10 Sep - 21 Sep Vueling Airlines direct
10 Sep - 01 Oct Vueling Airlines direct
17 Sep - 05 Oct Vueling Airlines direct
17 Sep - 01 Oct Vueling Airlines direct
30 Sep - 15 Oct Vueling Airlines
30 Sep - 05 Oct Vueling Airlines
30 Sep - 12 Oct Vueling Airlines
17 Sep - 06 Oct Vueling Airlines
24 Sep - 05 Oct Vueling Airlines direct
24 Sep - 12 Oct Vueling Airlines direct
25 Sep - 15 Oct Vueling Airlines

Also check the deals for one-way flights from Bilbao to Brussels in September.

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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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