The cheapest times to fly from SFO to FRS are

  • January 22nd to May 13th
  • August 20th to October 28th

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 FRS is late September. Prices can be as high as $1434 for Saturday flights during mid December, or as low as $670 for Tuesday flights around late September.


When to Fly to Flores

Flying from San Francisco, CA (SFO) to Flores (FRS) will usually cost between $670 to $1217 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late September with an average ticket price of $673. Due to high demand the most expensive time to fly is mid December, with an average price of $1391. Planning your trip to low-cost times can easily save you $718 on economy flights and even more on first-class flights. Generally, any price below $688 can be considered a good price for a round-trip SFO to FRS flight.

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

SFO to FRS Flight Prices

Compared to other flights, the SFO to FRS flight is cheaper than the average and costs less than the average flight leaving from San Francisco. The average price per mile (for a direct flight) is $0.18, which is below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Saturdays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $54 (6%) 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 $741. Return trip prices are from the FRS to SFO 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 SFO to FRS can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 5 hour 22 minutes may not be realistic.


Flight Hacking SFO to FRS

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 FRS — but Champion Traveler does!

Hack #1: Guatemala City (SFO > GUA > FRS)

  • Price for both tickets: $609
  • Average savings: $80 (11.56%)

See SFO to GUA flights


Flight Questions Answered

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

Which airlines fly this route?

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

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

The distance between the two airports is roughly 2434 miles or 3917 kilometers.

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

The real-world flight time for a nonstop SFO to FRS flight is about 5 hour 22 minutes.

How many flights go between San Francisco, CA and Flores?

It depends on the day of the week and the date, but a typical day might have around 14 available flights from SFO to FRS.


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 FRS
Destination airport name Flores Airport
City Flores
Country Guatemala
Latitude 16.9
Longitude -89.9


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.