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£175 Cheap Flights from San Francisco (SFO) to San Juan (SJU)

Flight 1

Popular airlines from San Francisco International Airport (SFO) to Luis Munoz Marin Intl. Airport (SJU)

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Cheap Flights from San Francisco (SFO) to San Juan (SJU)

Prices were available within the past 7 days and start at £175 for one-way flights and £349 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
JetBlue Airways
JetBlue Airways
JetBlue Airways
JetBlue Airways
JetBlue Airways
JetBlue Airways
JetBlue Airways
JetBlue Airways
JetBlue Airways

Find the cheapest month to fly from San Francisco (SFO) to San Juan (SJU)

August is typically the cheapest month to fly

From £205 - £338 per traveller.

Frequently asked questions

How much does a flight from San Francisco, CA (SFO-San Francisco Intl.) to San Juan (SJU-Luis Munoz Marin Intl.) cost?
You can find one-way and return flights from SFO to SJU with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when SFO to SJU ticket fares go up or down.
What is the cheapest month to fly from San Francisco, CA (SFO-San Francisco Intl.) to San Juan (SJU-Luis Munoz Marin Intl.)?
If you're looking for the cheapest time to fly from San Francisco, CA (SFO-San Francisco Intl.) to San Juan (SJU-Luis Munoz Marin Intl.), October is typically your best bet. You can expect average return flights to be around £343 during this month. October often sees lower prices because it falls outside of peak holiday seasons, when demand for travel tends to decrease. Other budget-friendly months for this route include January and September.
Which airlines fly direct from San Francisco, CA (SFO-San Francisco Intl.) to San Juan (SJU-Luis Munoz Marin Intl.)?
Enter SFO to SJU and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from San Francisco, CA (SFO-San Francisco Intl.) to San Juan (SJU-Luis Munoz Marin Intl.)?
Frontier Airlines is one of the cheapest airlines offering connecting return flights from San Francisco, CA (SFO-San Francisco Intl.) to San Juan (SJU-Luis Munoz Marin Intl.), with tickets starting from around £177 for flights that can be booked for departure within the next year. These prices are per adult, for economy/coach class. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from San Francisco, CA (SFO-San Francisco Intl.) to San Juan (SJU-Luis Munoz Marin Intl.)?
To find a cheap flight from San Francisco, CA (SFO-San Francisco Intl.) to San Juan (SJU-Luis Munoz Marin Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from San Francisco, CA (SFO-San Francisco Intl.) to San Juan (SJU-Luis Munoz Marin Intl.)?
The cheapest months to fly from San Francisco (SFO) to San Juan (SJU) are typically October and January, with average return flights costing around £343. These months are often ideal because they fall outside of peak holiday travel, meaning you can find more affordable fares. While these are the cheapest times, you'll also find plenty of flight options during these periods, giving you flexibility to plan your trip.
How many flights per day from San Francisco, CA (SFO-San Francisco Intl.) to San Juan (SJU-Luis Munoz Marin Intl.)?
There are around 123 connecting flights per day from San Francisco International (SFO) to San Juan (SJU). Some common connection points include John F. Kennedy International (JFK), Los Angeles International (LAX), and Sky Harbor International (PHX).
What is the earliest flight from San Francisco, CA (SFO-San Francisco Intl.) to San Juan (SJU-Luis Munoz Marin Intl.)?
The earliest flight from San Francisco, CA (SFO-San Francisco Intl.) to San Juan (SJU-Luis Munoz Marin Intl.) typically departs around 12:05 AM. This flight is operated by Delta and involves a connection. This is a seasonal service, active in May and June. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from San Francisco, CA (SFO-San Francisco Intl.) to San Juan (SJU-Luis Munoz Marin Intl.)?
You'll generally find the most flights from San Francisco International Airport (SFO) to San Juan (SJU) on a Thursday, with around 71 flights available. This gives you a good selection of options for your journey. Major airlines on this route include United, American Airlines, and Southwest Airlines. Flight schedules are quite consistent throughout the week, so you'll have plenty of choices no matter which day you pick.
What are the most popular departure times for flights from San Francisco, CA (SFO-San Francisco Intl.) to San Juan (SJU-Luis Munoz Marin Intl.)?
The most popular departure times for flights from San Francisco, CA (SFO-San Francisco Intl.) to San Juan (SJU-Luis Munoz Marin Intl.) are in the late evening, from 9pm to midnight. Many major carriers, including American Airlines, United and Delta, offer flights during this window. Many travellers prefer these times because you can make the most of your day in San Francisco before your evening flight, and you'll arrive in San Juan in the morning, ready to start your trip.
How long does it take to fly from San Francisco, CA (SFO-San Francisco Intl.) to San Juan (SJU-Luis Munoz Marin Intl.)?
There are no nonstop flights from San Francisco, CA (SFO-San Francisco Intl.) to San Juan (SJU-Luis Munoz Marin Intl.). The shortest flights typically involve one stop, taking around 12 hours. Flights with two or more stops usually take longer, averaging about 15 hours 30 minutes. The distance between these two airports is approximately 5,835 kilometers. Keep in mind that actual travel times can vary due to factors like layover duration, routing, and weather conditions.
Can you fly business or first class from San Francisco, CA (SFO-San Francisco Intl.) to San Juan (SJU-Luis Munoz Marin Intl.)?
You can fly business class or first class between SFO and SJU. You can fly business class with Frontier Airlines and Delta.First class cabins are available on Alaska Airlines, Delta, and United.
How do I earn miles on a San Francisco, CA (SFO-San Francisco Intl.) to San Juan (SJU-Luis Munoz Marin Intl.) flight with Expedia?
It's easy to earn miles on a San Francisco, CA (SFO-San Francisco Intl.) to San Juan (SJU-Luis Munoz Marin Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for San Juan (SJU) from San Francisco, CA (SFO)?
If you're planning to travel to San Juan from San Francisco Intl. (SFO), you can fly directly into Luis Munoz Marin Intl. (SJU). Some flights may connect through major hubs like Denver Intl. (DEN), Los Angeles Intl. (LAX), or Sky Harbor Intl. (PHX) before reaching San Juan. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from San Francisco, CA (SFO-San Francisco Intl.) to San Juan (SJU-Luis Munoz Marin Intl.) at the last minute?
Typically, booking a last minute flight from San Francisco, CA (SFO-San Francisco Intl.) to San Juan (SJU-Luis Munoz Marin Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a San Francisco, CA (SFO-San Francisco Intl.) to San Juan (SJU-Luis Munoz Marin Intl.) flight and hotel package?
Securing a San Francisco, CA (SFO-San Francisco Intl.) to San Juan (SJU-Luis Munoz Marin Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from San Francisco, CA (SFO-San Francisco Intl.) to San Juan (SJU-Luis Munoz Marin Intl.)?
If you booked your San Francisco, CA (SFO-San Francisco Intl.) to San Juan (SJU-Luis Munoz Marin Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
San Francisco Intl.
Destination airport
Luis Munoz Marin Intl.
Airlines serving
JetBlue Airways
Return price
£349
Distance
5800 km

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