The best month to fly between Lisbon and Brussels is March and the most expensive month to fly is August. (Average prices, based on 395 datapoints.)
The best day to arrive at Lisbon is Tuesday and it would be best to avoid Sunday, as prices are on average 70.26% higher than on Tuesday. (Average prices, based on 395 datapoints.)
The cheapest airline flying from Lisbon to Brussels is Ryanair. They are 31% cheaper than Brussels Airlines. (Average prices, based on 403 datapoints.)