The cheapest times to fly from RBR to SFO are

  • March 5th to June 17th (except the weeks of April 2nd and April 9th)
  • July 2nd to August 5th
  • October 15th to November 11th

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from RBR to SFO is late May. Prices can be as high as $2105 for Friday flights during early January, or as low as $1096 for Tuesday flights around late May.


When to Fly to San Francisco

Flying from Rio Branco (RBR) to San Francisco, CA (SFO) will usually cost between $1114 to $1828 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late May with an average ticket price of $1117. Due to high demand the most expensive time to fly is early January, with an average price of $1908. Planning your trip to low-cost times can easily save you $792 on economy flights and even more on first-class flights. Generally, any price below $1339 can be considered a good price for a round-trip RBR to SFO flight.

See below for a graph of average weekly prices for the RBR to SFO route. All prices are for round-trip tickets in USD.

RBR to SFO Flight Prices

Compared to other flights, the RBR to SFO flight is slightly more expensive than the average and costs more than the average flight leaving from Rio Branco. The average price per mile (for a direct flight) is $0.17, which is below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Fridays are the most expensive days to fly to San Francisco, and Sundays are the most expensive days to return to Rio Branco. Selecting flights on the least expensive days could save you up to $627 (24%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $1310. Return trip prices are from the SFO to RBR flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from RBR to SFO can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 9 hour 38 minutes may not be realistic.


Flight Hacking RBR to SFO

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from RBR to SFO — but Champion Traveler does!

Hack #1: Brasilia (RBR > BSB > SFO)

  • Price for both tickets: $1099
  • Average savings: $241 (17.96%)

See RBR to GRU flights

Hack #2: Sao Paulo (RBR > GRU > SFO)

  • Price for both tickets: $1201
  • Average savings: $138 (10.31%)

See RBR to BSB flights


Flight Questions Answered

Still have questions about flying from RBR to SFO? We’ve got answers.

Which airlines fly this route?

You can find 6 major airlines flying this route most often: Air Canada, American, COPA, Delta, LATAM, United, and potentially more during busy seasons.

How far away is it from San Francisco International Airport to Placido de Castro Airport?

The distance between the two airports is roughly 4807 miles or 7736 kilometers.

How long does it take to fly from RBR to SFO?

The real-world flight time for a nonstop RBR to SFO flight is about 9 hour 38 minutes.

How many flights go between Rio Branco and San Francisco, CA?

It depends on the day of the week and the date, but a typical day might have around 16 available flights from RBR to SFO.


Airport Location Info


Departing Airport

Origination code RBR
Origination airport name Placido de Castro Airport
City Rio Branco
Country Brazil
Latitude -9.9
Longitude -67.9

Return Airport

Destination code SFO
Destination airport name San Francisco International Airport
City San Francisco, CA
Country the United States
Latitude 37.6
Longitude -122.4


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.