Please be aware that Brussels has multiple airports and that these results are for all airports serving the city.
The best month to arrive at Brussels is February and the most expensive month to fly is May. (Average prices, based on 1317 datapoints.)
The best day to arrive at Brussels is Tuesday and it would be best to avoid Monday, as prices are on average 18.81% higher than on Tuesday. (Average prices, based on 1052 datapoints.)
The cheapest airline flying to Brussels is Aer Lingus. They are 62% cheaper than LOT Polish Airlines. (Average prices, based on 1454 datapoints.)
At Brussels the most flights depart around 08:00. (Hourly flights, based on 1553 datapoints.)
From Brussels it is on average the cheapest to fly to London and to Barcelona. (Average prices, based on 242 datapoints.)
From Brussels most of the flights depart to Copenhagen, second best connected from Brussels is Frankfurt. (Daily flights, based on 50 datapoints.)