Please be aware that Brussels has multiple airports and that these results are only for Brussels Airport.
The best month to arrive at Brussels is January and the most expensive month to fly is May. (Average prices, based on 253 datapoints.)
The best day to arrive at Brussels is Tuesday and it would be best to avoid Friday, as prices are on average 25.12% higher than on Tuesday. (Average prices, based on 1215 datapoints.)
The cheapest airline flying to Brussels is Aer Lingus. They are 70% cheaper than TAP Portugal. (Average prices, based on 326 datapoints.)
At Brussels the most flights depart around 07:00. (Hourly flights, based on 344 datapoints.)
From Brussels it is on average the cheapest to fly to Alicante and to Tenerife. (Average prices, based on 129 datapoints.)