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 72% cheaper than LOT Polish Airlines. (Average prices, based on 334 datapoints.)
At Brussels the most flights depart around 18:00. (Hourly flights, based on 500 datapoints.)
From Brussels it is on average the cheapest to fly to Amsterdam and to Barcelona. (Average prices, based on 655 datapoints.)
From Brussels most of the flights depart to Frankfurt, second best connected from Brussels is Munich. (Daily flights, based on 73 datapoints.)