Question : Looking for the cheapest flight over the next 30 days?
Answer : As of December 5th, the best day for deals to Brasilia (BSB) from San Francisco (SFO) is December 22nd. Bookings have been made roughly 25% below the average price for this route.
Question : How long are most people's visits to Brasilia when they fly in from San Francisco?
Answer : Of course you're not most people, but if you were, you'd stay roughly 20 days.
Question : Would you be willing to change your travel days if it saved you money?
Answer : Tuesday is your lowest-cost day to fly in December. Flexibility is paramount when booking travel plans in order to keep costs down.
Question : How often are prices changing for this route?
Answer : Prices for SFO to BSB do fluctuate a lot more than the majority of routes. The further out you book a route, the more likely you are to save.