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 October and the most expensive month to fly is January. (Average prices, based on 369 datapoints.)
The best day to arrive at Brussels is Thursday and it would be best to avoid Friday, as prices are on average 25.84% higher than on Thursday. (Average prices, based on 1069 datapoints.)
The cheapest airline flying to Brussels is Aer Lingus. They are 88% cheaper than Swiss Int Air Lines. (Average prices, based on 406 datapoints.)
At Brussels the most flights depart around 01:00. (Hourly flights, based on 416 datapoints.)
From Brussels it is on average the cheapest to fly to Barcelona and to Istanbul. (Average prices, based on 158 datapoints.)