The cheapest times to fly from SFO to RIA are

  • January 29th to April 8th (except the weeks of February 12th and February 19th)
  • April 30th to June 10th
  • August 13th to November 18th (except the weeks of August 27th and October 15th)

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 SFO to RIA is late May to early June. Prices can be as high as $2956 for Sunday flights during late July, or as low as $995 for Tuesday flights around late May to early June.


When to Fly to Santa Maria

Flying from San Francisco, CA (SFO) to Santa Maria (RIA) will usually cost between $1168 to $2122 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late May to early June with an average ticket price of $995. Due to high demand the most expensive time to fly is late July, with an average price of $2221. Planning your trip to low-cost times can easily save you $1226 on economy flights and even more on first-class flights. Generally, any price below $1553 can be considered a good price for a round-trip SFO to RIA flight.

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

SFO to RIA Flight Prices

Compared to other flights, the SFO to RIA flight is more expensive than the average and costs slightly more than the average flight leaving from San Francisco. The average price per mile (for a direct flight) is $0.15, which is far below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to fly to RIA. Sundays are the most expensive days to fly to Santa Maria. Selecting flights on the least expensive days could save you up to $114 (7%) 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 $1489. Return trip prices are from the RIA to SFO flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from SFO to RIA can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 12 hour 33 minutes may not be realistic.


Flight Hacking SFO to RIA

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 SFO to RIA — but Champion Traveler does!

Hack #1: Porto Alegre (SFO > POA > RIA)

  • Price for both tickets: $1219
  • Average savings: $335 (21.54%)

See SFO to POA flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 10 major airlines flying this route most often: Alaska, American, Avianca, Azul, COPA, Delta, JetBlue, LATAM, Singapore Airlines, United, and potentially more during busy seasons.

How far away is it from Santa Maria Airport to San Francisco International Airport?

The distance between the two airports is roughly 6425 miles or 10340 kilometers.

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

The real-world flight time for a nonstop SFO to RIA flight is about 12 hour 33 minutes.

How many flights go between San Francisco, CA and Santa Maria?

It depends on the day of the week and the date, but a typical day might have around 17 available flights from SFO to RIA.


Airport Location Info


Departing Airport

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

Return Airport

Destination code RIA
Destination airport name Santa Maria Airport
City Santa Maria
Country Brazil
Latitude -29.7
Longitude -53.7


Other Resources

Flights from RIA

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.