Question : Is there an alternative to Pisa International Airport (PSA) for getting you to Brussels?
Answer : Departing from Pisa International Airport is not the only way to get to Brussels Airport. Try searching for flights from Firenze-Peretola Airport (FLR) as well. Over the next two months, flights from FLR to BRU are being booked 13% cheaper than flights from PSA to BRU. Being only 41 miles away, it's easily accessible for most.
Question : How many days should you spend in Brussels?
Answer : Passengers from PSA to BRU stay three days on average.
Question : Will you do what it takes to get the absolute cheapest flight?
Answer : Friday is your cheapest day to fly in the month of March. Being flexible with your travel days garners even more savings during booking.