Question : If your plans are flexible, have you considered changing your departure day?
Answer : The best day to fly on a budget this month is Monday. Being flexible with your travel days garners even more savings during booking.
Question : What is the cheapest day to fly in the next four weeks?
Answer : Since low prices are preferred, look at Jul 11th. As of Jun 26th, it's showing the cheapest ticket sales at $1,563. That is 7% below the average price for this route, so you can spend that extra money on an adventure rather than the flight.
Question : How long do most people stay in Brasilia?
Answer : Of course you're not most people, but if you were, you'd stay roughly 19 days.
Question : Do prices fluctuate more for this route than others?
Answer : Flight prices fluctuate much less than most routes from the United States for PHX to BSB. They vary from $1,458 to $1,842. Remember, the sooner you book, the better price you tend to get.