The cheapest times to fly from SFO to SJU are
- January 8th to March 4th (except the week of February 12th)
- April 16th to May 6th
- August 13th to November 18th
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 SJU is late January. Prices can be as high as $1152 for Sunday flights during late December, or as low as $327 for Tuesday flights around late January.
When to Fly to San Juan
Flying from San Francisco, CA (SFO) to San Juan, PR (SJU) will usually cost between $330 to $784 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late January with an average ticket price of $367. Due to high demand the most expensive time to fly is late December, with an average price of $802. Planning your trip to low-cost times can easily save you $435 on economy flights and even more on first-class flights. Generally, any price below $454 can be considered a good price for a round-trip SFO to SJU flight.
See below for a graph of average weekly prices for the SFO to SJU route. All prices are for round-trip tickets in USD.
Compared to other flights, the SFO to SJU flight is much cheaper than the average and costs much less than the average flight leaving from San Francisco. The average price per mile (for a direct flight) is $0.08, which is far below average.
Flight Prices by Day of the Week
Tuesday is usually the cheapest day to depart and return on this flight. Sundays 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 $164 (27%) 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 $413. Return trip prices are from the SJU to SFO flight, and often highlight the quality of our data in showing the same trend.
Departing Prices by Day
Return Trip Prices by Day
Nonstop Flights and Layovers
Travelers looking to fly from SFO to SJU can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 7 hour 30 minutes may not be realistic.
Flight Questions Answered
Still have questions about flying from SFO to SJU? We’ve got answers.
Which airlines fly this route?
You can find 11 major airlines flying this route most often: Alaska, American, Cape Air, Delta, Emirates, Frontier, JetBlue, Qatar Airways, Southwest, Sun Country Airlines, United, and potentially more during busy seasons.
How far away is it from Luis Munoz Marin International Airport to San Francisco International Airport?
The distance between the two airports is roughly 3625 miles or 5834 kilometers.
How long does it take to fly from SFO to SJU?
The real-world flight time for a nonstop SFO to SJU flight is about 7 hour 30 minutes.
How many flights go between San Francisco, CA and San Juan, PR?
It depends on the day of the week and the date, but a typical day might have around 92 available flights from SFO to SJU.
Airport Location Info
|Origination airport name||San Francisco International Airport|
|City||San Francisco, CA|
|Country||the United States|
|Destination airport name||Luis Munoz Marin International Airport|
|City||San Juan, PR|
|Country||the United States|
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.