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 Ryanair. They are 81% cheaper than Lufthansa. (Average prices, based on 1163 datapoints.)
At Brussels the most flights depart around 19:00. (Hourly flights, based on 1485 datapoints.)
From Brussels it is on average the cheapest to fly to Barcelona and to Malaga. (Average prices, based on 322 datapoints.)
From Brussels most of the flights depart to Geneva, second best connected from Brussels is Malaga. (Daily flights, based on 133 datapoints.)