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 February and the most expensive month to fly is May. (Average prices, based on 1084 datapoints.)
The best day to arrive at Brussels is Thursday and it would be best to avoid Sunday, as prices are on average 51.25% higher than on Thursday. (Average prices, based on 1770 datapoints.)
The cheapest airline flying to Brussels is Iberia Airlines. They are 71% cheaper than Lufthansa. (Average prices, based on 1162 datapoints.)
At Brussels the most flights depart around 17:00. (Hourly flights, based on 1468 datapoints.)
From Brussels it is on average the cheapest to fly to Amsterdam and to Barcelona. (Average prices, based on 393 datapoints.)
From Brussels most of the flights depart to Geneva, second best connected from Brussels is Madrid. (Daily flights, based on 125 datapoints.)