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 60% cheaper than TAP Portugal. (Average prices, based on 1455 datapoints.)
At Brussels the most flights depart around 08:00. (Hourly flights, based on 1567 datapoints.)
From Brussels it is on average the cheapest to fly to Barcelona and to London. (Average prices, based on 276 datapoints.)
From Brussels most of the flights depart to Barcelona, second best connected from Brussels is Copenhagen. (Daily flights, based on 55 datapoints.)