Question : Should you take that vacation to Brasilia in the next 30 days?
Answer : Since low prices are preferred, look at Feb 21st. As of Feb 20th, it's showing the cheapest ticket sales at $844. That is 53% below the average price for this route, so you can spend that extra cash on a fun experience in Brasilia.
Question : Is the price you found a good deal?
Answer : Prices for this trip tend to change more than other flights from the United States. They can vary from $844 to $2,825. However, the sooner you book, the better price you tend to get.
Question : How long do most people visit Brasilia?
Answer : Of course you're not most people, but if you were, you'd stay roughly six days.
Question : If your plans are flexible, have you considered changing your departure day?
Answer : The lowest-cost day to fly in March is Friday. Flexibility is paramount when booking travel plans in order to keep travel costs down.