Question : What is the cheapest day to fly in the next four weeks?
Answer : Since low prices are preferred, look at Mar 21st. As of Feb 27th, it's showing the cheapest ticket sales at $866. That is 18% below the average price for this route, so you can spend that extra money on an adventure rather than the flight.
Question : How much should a trip from Brasilia (BSB) to Madrid (MAD) cost?
Answer : Prices for this trip tend to fluctuate more than other flights from Brazil. They can range from $858 to $1,726. Remember, you can save by booking further in advance.
Question : How long do most people visit Madrid?
Answer : Of course you're not most people, but if you were, you'd stay roughly six days.
Question : Would you be willing to change your travel days if it saved you money?
Answer : The lowest-cost day to fly in March is Monday. Having flexibility in your travel plans means you can save more, so be sure to plan ahead when possible.