Cheap flights from San Francisco (SFO) to San Juan from $138

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/23. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
SFO — SJU
Jun 11 — Jun 181

The best prices from San Francisco to San Juan are usually found in September or January, booked 48 days in advance, depart on a Tuesday or Sunday and return on a Saturday

Cheap flight deals from San Francisco to San Juan

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to San Juan (PR1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 6, 2024.

Popular in

December

Cheapest in

September

Average price

$674

Round-trip from

$245
High demand for flights, 33% potential price rise
Best time to find cheap flights, 30% potential price drop
Average for round-trip flights in June 2024
From San Francisco to San Juan

What is the cheapest day to fly round-trip from San Francisco to San Juan?

It’s generally more expensive to depart on a Monday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

How far in advance should I book a flight from San Francisco to San Juan?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 49 days in advance, which can save you up to 84% on flights from San Francisco to San Juan compared to booking the week you need them. Waiting 49 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $355. For sooner than that we have options available in the next 3 days from $622.

What is the cheapest month to fly from San Francisco to San Juan?

September can be a great time to fly to San Juan from San Francisco with a flight ticket averaging about $522. Cheapflights users have found deals in the month of September for as cheap as $243. The most expensive prices can be found in the month of December.

What is the cheapest time of day to fly from SFO to SJU?

Unlike in the morning, when flights are generally more expensive, you can save up to 30% on flights from San Francisco to San Juan by exploring options for tickets in the afternoon.

Cheap San Francisco to San Juan flights in June & July 2024

Find cheap flight options from San Francisco to San Juan specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,050,429 searches. Prices were last updated on June 6, 2024.
Scroll through some of the best deals on flights from San Francisco to San Juan in 2024. Check back regularly for other flight deals.
Thu 7/412:59 amSFO - SJU
2 stops11h 08mFrontier
Fri 7/124:12 pmSJU - SFO
2 stops19h 01mFrontier
Deal found 6/6$315
Sun 7/2112:59 amSFO - SJU
2 stops11h 24mFrontier
Fri 8/210:04 pmSJU - SFO
1 stop15h 59mFrontier
Deal found 6/5$322
Thu 7/259:44 pmSFO - SJU
1 stop11h 49mJetBlue
Tue 8/61:50 pmSJU - SFO
1 stop12h 46mJetBlue
Deal found 6/5$325
Thu 6/207:40 amSFO - SJU
2 stops28h 21mFrontier
Thu 7/44:07 pmSJU - SFO
2 stops34h 52mFrontier
Deal found 6/5$333
Fri 6/2112:59 amSFO - SJU
2 stops11h 22mFrontier
Wed 6/263:57 pmSJU - SFO
2 stops17h 50mFrontier
Deal found 6/6$336
Fri 7/57:20 pmSFO - SJU
2 stops17h 03mFrontier
Fri 7/124:12 pmSJU - SFO
2 stops19h 01mFrontier
Deal found 6/6$345
Sun 6/237:50 amSFO - SJU
2 stops28h 31mFrontier
Wed 6/263:57 pmSJU - SFO
2 stops35h 02mFrontier
Deal found 6/5$349
Sun 6/3012:59 amSFO - SJU
2 stops11h 22mFrontier
Thu 7/114:11 pmSJU - SFO
2 stops19h 02mFrontier
Deal found 6/5$352
Thu 7/412:59 amSFO - SJU
2 stops11h 08mFrontier
Fri 7/124:12 pmSJU - SFO
2 stops19h 01mFrontier
Deal found 6/5$353

San Francisco to San Juan 2024 flight deals

Discover exclusive flight deals for travel between San Francisco and San Juan in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated June 6, 2024.
Scroll through some of the best deals on flights from San Francisco to San Juan in 2024. Check back regularly for other flight deals.
Mon 8/1912:59 amSFO - SJU
2 stops12h 41mAmerican Airlines
Wed 8/285:35 pmSJU - SFO
1 stop20h 38mAmerican Airlines
Deal found 6/5$240
Mon 9/3012:35 amSFO - SJU
1 stop12h 07mUnited Airlines
Thu 10/314:50 pmSJU - SFO
1 stop11h 14mUnited Airlines
Deal found 6/5$257
Fri 8/912:59 amSFO - SJU
2 stops11h 24mFrontier
Sat 8/1710:18 pmSJU - SFO
1 stop15h 29mFrontier
Deal found 6/6$258
Tue 8/209:44 pmSFO - SJU
1 stop11h 39mJetBlue
Wed 8/2810:35 pmSJU - SFO
1 stop14h 00mJetBlue
Deal found 6/5$276
Sat 8/37:22 pmSFO - SJU
2 stops16h 31mFrontier
Thu 8/84:11 pmSJU - SFO
2 stops19h 02mFrontier
Deal found 6/5$280
Tue 9/105:45 amSFO - SJU
2 stops12h 33mAmerican Airlines
Wed 9/118:03 amSJU - SFO
1 stop15h 48mAmerican Airlines
Deal found 6/5$286
Sat 8/37:22 pmSFO - SJU
2 stops16h 31mFrontier
Mon 8/510:04 pmSJU - SFO
1 stop15h 59mFrontier
Deal found 6/5$290
Mon 8/1912:59 amSFO - SJU
2 stops12h 41mAmerican Airlines
Wed 8/286:30 amSJU - SFO
2 stops15h 32mAmerican Airlines
Deal found 6/5$291
Mon 8/1912:59 amSFO - SJU
2 stops12h 41mAmerican Airlines
Tue 8/276:30 amSJU - SFO
2 stops12h 31mAmerican Airlines
Deal found 6/5$292

San Francisco to San Juan flights leaving soon

Find last-minute flight options from San Francisco to San Juan for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated June 6, 2024.
Book one of these great deals on flights from San Francisco to San Juan. Tip: verify your flight details before completing your reservation.
Sun 6/1612:59 amSFO - SJU
2 stops11h 22mFrontier
Mon 6/244:27 pmSJU - SFO
2 stops34h 32mFrontier
Deal found 6/5$520
Wed 6/1210:36 amSFO - SJU
2 stops16h 07mFrontier
Sun 6/163:57 pmSJU - SFO
2 stops19h 22mFrontier
Deal found 6/5$528
Sun 6/1612:59 amSFO - SJU
1 stop11h 22mFrontier
Mon 6/244:27 pmSJU - SFO
1 stop34h 32mFrontier
Deal found 6/5$579
Sun 6/1612:59 amSFO - SJU
1 stop11h 22mFrontier
Sat 6/224:27 pmSJU - SFO
1 stop17h 30mFrontier
Deal found 6/6$581
Tue 6/118:25 pmSFO - SJU
1 stop30h 18mFrontier
Mon 6/174:27 pmSJU - SFO
1 stop34h 32mFrontier
Deal found 6/6$586
Wed 6/1210:36 amSFO - SJU
1 stop16h 07mFrontier
Sun 6/163:57 pmSJU - SFO
1 stop19h 22mFrontier
Deal found 6/5$591
Sun 6/1612:59 amSFO - SJU
2 stops11h 22mFrontier
Sun 6/233:57 pmSJU - SFO
2 stops19h 22mFrontier
Deal found 6/6$608
Wed 6/1211:25 pmSFO - SJU
1 stop11h 49mJetBlue
Mon 6/2410:35 pmSJU - SFO
1 stop13h 53mJetBlue
Deal found 6/6$622
Sun 6/161:10 amSFO - SJU
2 stops19h 47mUnited Airlines
Mon 6/249:30 amSJU - SFO
1 stop13h 42mUnited Airlines
Deal found 6/6$638

One-way flights to San Juan from San Francisco

Search for one-way flight options from San Francisco to San Juan. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated June 6, 2024.
Take a look at some of the one-way flights we've detected from San Francisco to San Juan. Users can also find round-trip San Francisco to San Juan flights by using the search form above.
Fri 8/239:44 pmSFO - SJU
1 stop9h 10mJetBlue
Deal found 6/6$138
Sun 8/412:59 amSFO - SJU
2 stops11h 24mFrontier
Deal found 6/5$145
Sun 7/2112:59 amSFO - SJU
1 stop11h 24mFrontier
Deal found 6/5$157
Sat 8/3111:59 pmSFO - SJU
1 stop12h 43mUnited Airlines
Deal found 6/6$165
Fri 8/235:45 amSFO - SJU
2 stops12h 29mAmerican Airlines
Deal found 6/6$171
Sun 8/45:20 amSFO - SJU
1 stop14h 15mAmerican Airlines
Deal found 6/5$172
Fri 8/212:59 amSFO - SJU
2 stops11h 24mFrontier
Deal found 6/5$177
Thu 8/19:44 pmSFO - SJU
1 stop9h 10mJetBlue
Deal found 6/5$187
Sun 8/45:45 amSFO - SJU
2 stops20h 15mAmerican Airlines
Deal found 6/5$194

Find flights from San Francisco to San Juan within your budget

Customize your flight search to find flights from San Francisco to San Juan that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated June 6, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$240 - $484

Route

Depart

Return

Price

San FranciscoSan Juan Luis Munoz Marin Intl

SFO - SJU

SFOSJU

San Francisco

Mon 8/19

2 stops12h 41m

San Juan Luis Munoz Marin Intl

Wed 8/28

1 stop20h 38m

$240

San FranciscoSan Juan Luis Munoz Marin Intl

SFO - SJU

SFOSJU

San Francisco

Mon 9/30

1 stop12h 07m

San Juan Luis Munoz Marin Intl

Thu 10/31

1 stop11h 14m

$257

San FranciscoSan Juan Luis Munoz Marin Intl

SFO - SJU

SFOSJU

San Francisco

Fri 8/9

2 stops11h 24m

San Juan Luis Munoz Marin Intl

Sat 8/17

1 stop15h 29m

$258

San FranciscoSan Juan Luis Munoz Marin Intl

SFO - SJU

SFOSJU

San Francisco

Tue 8/20

1 stop11h 39m

San Juan Luis Munoz Marin Intl

Wed 8/28

1 stop14h 00m

$276

San FranciscoSan Juan Luis Munoz Marin Intl

SFO - SJU

SFOSJU

San Francisco

Sat 8/3

2 stops16h 31m

San Juan Luis Munoz Marin Intl

Thu 8/8

2 stops19h 02m

$280

San FranciscoSan Juan Luis Munoz Marin Intl

SFO - SJU

SFOSJU

San Francisco

Tue 9/10

2 stops12h 33m

San Juan Luis Munoz Marin Intl

Wed 9/11

1 stop15h 48m

$286

San FranciscoSan Juan Luis Munoz Marin Intl

SFO - SJU

SFOSJU

San Francisco

Mon 11/11

1 stop9h 10m

San Juan Luis Munoz Marin Intl

Wed 11/20

1 stop11h 14m

$309

San FranciscoSan Juan Luis Munoz Marin Intl

SFO - SJU

SFOSJU

San Francisco

Fri 8/2

1 stop12h 19m

San Juan Luis Munoz Marin Intl

Tue 8/6

2 stops19h 02m

$427

San FranciscoSan Juan Luis Munoz Marin Intl

SFO - SJU

SFOSJU

San Francisco

Tue 8/27

2 stops12h 53m

San Juan Luis Munoz Marin Intl

Tue 9/3

1 stop11h 19m

$484

Flights are sorted by cheapest first

Deals found on 6/5

How far ahead should I book a flight from San Francisco to San Juan?

Use this chart to determine the optimal time to book a round-trip flight from San Francisco to San Juan. Price data was last updated on May 31, 2024.
The best time to book flights from San Francisco to San Juan is 48 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Search Deals

What is the cheapest day to fly from San Francisco to San Juan?

Use this chart to determine the cheapest time to fly round-trip from San Francisco to San Juan. Price data was last updated on June 2, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their San Francisco to San Juan flight should consider departing on Saturday afternoons when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from San Francisco to San Juan

Have a flexible travel schedule? Discover the best time to fly to San Juan from San Francisco with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Temperature and rainfall in San Juan by month

Plan your trip to San Juan by taking into account the average temperature and rainfall totals by month.

SJU

Temperature

77 - 82.4 °F

If weather is an important factor for your trip to San Juan, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).

Reviews of airlines servicing San Juan

Get insights into the airlines that provide service to San Juan. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Juan. Reviews last updated June 6, 2024.
See what other customers who have flown with United Airlines, JetBlue and American Airlines from San Francisco to San Juan have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
9,222 reviews

Overall

8.1

Boarding

8.2

Crew

8.6

Comfort

7.9

Entertainment

7.3

Food

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

8.1
Very good
9,222 reviews
8.1
Very good
9,222 reviews

Overall

8.1

Boarding

8.2

Crew

8.6

Comfort

7.9

Entertainment

7.3

Food

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

8.0
Very good
10,368 reviews
8.1
Very good
9,222 reviews

Overall

8.1

Boarding

8.2

Crew

8.6

Comfort

7.9

Entertainment

7.3

Food

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

7.6
Good
4,316 reviews
8.1
Very good
9,222 reviews

Overall

8.1

Boarding

8.2

Crew

8.6

Comfort

7.9

Entertainment

7.3

Food

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

7.4
Good
10,696 reviews
8.1
Very good
9,222 reviews

Overall

8.1

Boarding

8.2

Crew

8.6

Comfort

7.9

Entertainment

7.3

Food

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

7.3
Good
14,227 reviews
8.1
Very good
9,222 reviews

Overall

8.1

Boarding

8.2

Crew

8.6

Comfort

7.9

Entertainment

7.3

Food

7.3

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Related info for your journey

Find useful and relevant information for your journey from San Francisco to San Juan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from San Francisco to San Juan?

    If you book a flight to San Juan from San Francisco, you will be flying from San Francisco, which is the city’s only airport. San Francisco (SFO) is located 11.8 mi from the center of San Francisco. There are 0 flights from San Francisco to San Juan per day from 10 different airlines.

  • Can I find flights from San Francisco to San Juan for under $300 on Cheapflights?

    Yes, there are multiple flights from San Francisco to San Juan for under $300. The cheapest flight booked recently is on American Airlines for just $240, but on average you can expect to pay $299.

  • Are there last-minute flights available from San Francisco to San Juan for under $600?

    There are currently 20+ open flights from San Francisco to San Juan within the next 7 days for less than $600.

  • What are the cheapest airlines flying from San Francisco to San Juan round-trip?

    Cheapflights users have booked flights from San Francisco to San Juan round-trip from $240. Other airlines that can offer you cheap pricing are United Airlines, from $257, and Frontier, from $258. These flights start at 54% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from San Francisco to San Juan one-way?

    To fly one-way, consider booking your trip with JetBlue, which is currently one of the cheapest options available, starting at $138. Frontier flights start at $145 while deals on United Airlines start at $165 one-way.

  • What does SFO to SJU mean?

    Great question - SFO to SJU just means San Francisco Airport to San Juan Luis Munoz Marin Intl Airport. Now you’ll know what these unique codes when you look for flights! Ponce Mercedita Airport (PSE), San Juan Isla Grande Airport (SIG), Culebra Airport (CPX), Vieques Airport (VQS), Ceiba J. Aponte de la Torre Airport (NRR) are other airports near this flight route and their unique identifiers/IATA codes.

  • Where are the most common layover locations when flying from San Francisco to San Juan?

  • What are some popular things to do or see while on a layover in Charlotte?

    Carowind, North Carolina Blumenthal Performing Arts Center, and NASCAR Hall of Fame are the most popular attractions in Charlotte if you're in need of something to do during your layover. Carowind, North Carolina Blumenthal Performing Arts Center, and NASCAR Hall of Fame can be accessed by traveling approximately 8.2 mi, 5.8 mi, and 5.7 mi, respectively from Charlotte Douglas. Travelers can book a car rental at Charlotte Douglas for about $52 per day to make their sightseeing more efficient.

  • What are some popular points of interest to see during a layover in Miami?

    The majority of Miami visitors spend their time at Bayfront Park, Wynwood Art District, and Bayside Marketplace. Those on a layover in Miami interested in visiting Bayfront Park, Wynwood Art District, or Bayside Marketplace can do so by traveling 6.4 mi, 5.5 mi, and 6.4 mi, respectively from Miami. Those looking to explore during their layover in Miami can rent a car from Miami for about $25 per day.

  • What are points of interest worth seeing during a layover in Fort Lauderdale?

    If you're on a layover in Fort Lauderdale and looking for things to do, consider visiting Las Olas Beach, Port Everglades, or Fort Lauderdale Beach Park. Las Olas Beach, Port Everglades, and Fort Lauderdale Beach Park are located about 4.1 mi, 2.1 mi, and 4.2 mi, respectively from Fort Lauderdale. Those landing in Fort Lauderdale looking to spend some time exploring during their layover can rent a car for about $30 per day.

  • Where are the least popular layover locations for San Francisco to San Juan flights?

  • Can I find deals for flights from San Francisco to San Juan that include extra baggage allowance?

    The amount of baggage you can bring on your San Francisco to San Juan flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from San Francisco to San Juan with specific airlines?

    Yes, Cheapflights allows you to browse and filter San Francisco to San Juan flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from San Francisco to San Juan that include hotel bookings?

    Yes. In addition to deals on San Francisco to San Juan flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Francisco to San Juan?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to San Juan.

  • Can I find deals for business class flights from San Francisco to San Juan?

    Yes. Cheapflights offers flight deals from San Francisco to San Juan by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from San Francisco to San Juan that allow pets onboard?

    Many airlines flying from San Francisco to San Juan offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from San Francisco to San Juan?

    Yes, you can often find last-minute deals on San Francisco to San Juan flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the San Francisco to San Juan flight deals updated?

    The San Francisco to San Juan flight deals you see on this page were last updated on 6/6.

  • What are the most popular airlines that fly from San Francisco to San Juan?

  • What is the cheapest month to book a flight from San Francisco to San Juan?

    Currently, September is the cheapest month in which you can book a flight from San Francisco to San Juan (average of $245). Flying from San Francisco to San Juan in March is currently the most expensive (average of $338). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San Francisco to San Juan
See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from San Francisco to San Juan

Discover the top 10 airlines that operate flights from San Francisco to San Juan. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated June 6, 2024.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$83Average$642FlexibilityNo cancel feeOn-time75%
FrontierCheapest$177Average$308FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$205Average$400FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$242Average$601FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$276Average$585FlexibilityNo cancel feeOn-time69%
Sun Country AirCheapest$282Average$572FlexibilityNo cancel feeOn-time83%
American AirlinesCheapest$290Average$551FlexibilityNo cancel feeOn-time71%
DeltaCheapest$306Average$653FlexibilityNo cancel feeOn-timeN/A
Endeavor AirlinesCheapest$481Average$509FlexibilityNo cancel feeOn-timeN/A
Linear Air TaxiCheapest$107,277Average$167,485FlexibilityNo cancel feeOn-timeN/A

Search flights from San Francisco to San Juan by cabin class

Find flights from San Francisco to San Juan, based on your preferred cabin class, be it economy, premium economy, business, or first class.
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.