Cheap flights from San Francisco to Rio de Janeiro from $333

The cheapest month to fly to Rio de Janeiro from San Francisco is in October. Flight prices, which tend to average around $1,025, are often lower during this time because this is during the off-season. The month of September is another great option to travel to Rio de Janeiro, with average flight prices from San Francisco averaging around $1,035.

You are more likely to see cheaper flights to Rio de Janeiro from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Rio de Janeiro for around $1,143 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Rio de Janeiro from San Francisco for as low as $1,003 on momondo.

You could potentially save up to 15% on your flight if you consider stops on a San Francisco to Rio de Janeiro flight.

As of August 2026, prices for San Francisco to Rio de Janeiro flights are approximately 8% cheaper when compared to flights at the same time last year.

Azul and Copa Airlines are the most popular carriers operating from San Francisco to Rio de Janeiro

United Airlines, American Airlines and Avianca are the top three most popular airlines that fly to Rio de Janeiro from San Francisco according to our data. United Airlines is the first choice among our users, with 33% of people opting to fly with this airline when traveling to Rio de Janeiro. Keep in mind that there are 8 different airlines that fly to Rio de Janeiro on a routine basis, so you have a few additional options to choose from.

Houston (IAH) was the most common stop: 68% of momondo users choosing 1-stop flights on this route connected there.

Flights via Toronto (YYZ) offer the lowest average round-trip price of $659.

Flights connecting via Miami (MIA) have the shortest average one-way travel time: 15h 52m.

Toronto (YYZ) has the shortest average layover time for this route: 1h 44m.