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 June and the most expensive month to fly is April. (Average prices, based on 1159 datapoints.)
The best day to arrive at Brussels is Thursday and it would be best to avoid Friday, as prices are on average 22.23% higher than on Thursday. (Average prices, based on 1269 datapoints.)
The cheapest airline flying to Brussels is Aer Lingus. They are 88% cheaper than Swiss Int Air Lines. (Average prices, based on 1196 datapoints.)
At Brussels the most flights depart around 01:00. (Hourly flights, based on 1207 datapoints.)
From Brussels it is on average the cheapest to fly to Barcelona and to Istanbul. (Average prices, based on 187 datapoints.)
