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$185+ Cheap flights from Puerto Rico to San Francisco (SFO)

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 10/23. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — SFO
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Puerto Rico to San Francisco

Keep the following information in mind while searching for Puerto Rico to San Francisco flight deals. Data was last updated September 16, 2025.

Round-trip from

$268
(Frontier)

One-way from

$185
(United Airlines)

Popular in

December

Cheapest in

April

Average price

$437
From Puerto Rico to San Francisco
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One-way flight from Puerto Rico to San Francisco
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Highest demand for flights based on searches. 11% potential increase in price ($63 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Puerto Rico to San Francisco

Cheapest flights from Puerto Rico to San Francisco
Explore the most affordable flight options available from Puerto Rico to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This Frontier deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/267:15 amSJU - SFO
1 stop17h 06mFrontier
Fri 10/311:00 pmSFO - SJU
1 stop12h 11mFrontier
Deal found 9/14$268
This Frontier deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/37:15 amSJU - SFO
1 stop17h 06mFrontier
Fri 10/1710:23 pmSFO - SJU
1 stop13h 05mFrontier
Deal found 9/16$306
This Frontier deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/29:26 pmSJU - SFO
2 stops26h 55mFrontier
Sun 10/511:00 pmSFO - SJU
1 stop12h 11mFrontier
Deal found 9/15$320
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/234:04 pmSJU - SFO
2 stops31h 24mMultiple Airlines
Sat 11/810:23 pmSFO - SJU
1 stop12h 51mMultiple Airlines
Deal found 9/14$342
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/49:49 pmSJU - SFO
2 stops19h 50mMultiple Airlines
Sun 12/711:17 pmSFO - SJU
1 stop11h 37mMultiple Airlines
Deal found 9/14$347
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/309:26 pmSJU - SFO
2 stops26h 55mFrontier
Sat 10/411:00 pmSFO - SJU
1 stop12h 11mFrontier
Deal found 9/15$350
This JetBlue deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/166:01 amBQN - SFO
1 stop13h 35mJetBlue
Thu 11/2012:00 pmSFO - BQN
1 stop10h 41mJetBlue
Deal found 9/14$350
This Frontier deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/39:26 pmSJU - SFO
2 stops18h 49mFrontier
Wed 10/86:34 amSFO - SJU
2 stops16h 56mFrontier
Deal found 9/14$352
This JetBlue deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/171:25 pmSJU - SFO
1 stop14h 34mJetBlue
Tue 10/216:00 amSFO - SJU
1 stop12h 24mJetBlue
Deal found 9/16$356
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/234:04 pmSJU - SFO
2 stops31h 24mMultiple Airlines
Thu 11/610:23 pmSFO - SJU
1 stop12h 56mMultiple Airlines
Deal found 9/14$363
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/712:15 amBQN - SFO
1 stop12h 45mUnited Airlines
Wed 10/225:15 amSFO - BQN
2 stops14h 54mUnited Airlines
Deal found 9/15$381
This Priceline deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/86:45 pmBQN - SFO
1 stop18h 39mJetBlue
Wed 10/2211:20 pmSFO - BQN
1 stop15h 30mJetBlue
Deal found 9/15$385

Cheapflights Fare Finder

 
Customize your flight search to find flights from Puerto Rico to San Francisco 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 2,558,603 searches. Data last updated September 16, 2025.
Use the filters below to find and compare flights from Puerto Rico to San Francisco that are best for you.

Fly from

Puerto Rico

Fly to

San Francisco

Route

Depart

Return

Price

San JuanSan Francisco

SJU - SFO

SJUSFO

San Juan Luis Munoz Marin Intl

Fri 10/3

9:26 pm-1:15 pm

2 stops18h 49m

San Francisco

Fri 10/17

10:23 pm-2:28 pm

1 stop13h 05m

$320

AguadillaSan Francisco

BQN - SFO

BQNSFO

Aguadilla Borinquen

Thu 2/19

11:40 pm-9:50 am

1 stop14h 10m

San Francisco

Mon 2/23

8:15 am-10:42 pm

1 stop10h 27m

$346

AguadillaSan Francisco

BQN - SFO

BQNSFO

Aguadilla Borinquen

Fri 2/13

6:05 am-1:39 pm

1 stop11h 34m

San Francisco

Mon 2/16

8:15 am-10:42 pm

1 stop10h 27m

$350

AguadillaSan Francisco

BQN - SFO

BQNSFO

Aguadilla Borinquen

Sun 11/16

6:01 am-3:36 pm

1 stop13h 35m

San Francisco

Thu 11/20

12:00 pm-2:41 am

1 stop10h 41m

$350

San JuanSan Francisco

SJU - SFO

SJUSFO

San Juan Luis Munoz Marin Intl

Sat 10/18

12:35 pm-11:16 pm

1 stop13h 41m

San Francisco

Mon 10/20

11:25 pm-4:42 pm

1 stop14h 17m

$356

San JuanSan Francisco

SJU - SFO

SJUSFO

San Juan Luis Munoz Marin Intl

Wed 10/22

1:25 pm-11:44 pm

1 stop13h 19m

San Francisco

Mon 10/27

9:44 pm-1:36 pm

1 stop12h 52m

$356

San JuanSan Francisco

SJU - SFO

SJUSFO

San Juan Luis Munoz Marin Intl

Fri 10/17

1:25 pm-12:59 am

1 stop14h 34m

San Francisco

Mon 10/20

11:25 pm-4:42 pm

1 stop14h 17m

$356

AguadillaSan Francisco

BQN - SFO

BQNSFO

Aguadilla Borinquen

Tue 10/7

12:15 am-11:17 am

2 stops14h 02m

San Francisco

Wed 10/22

5:00 am-11:09 pm

2 stops15h 09m

$381

San JuanSan Francisco

SJU - SFO

SJUSFO

San Juan Luis Munoz Marin Intl

Fri 10/3

3:05 pm-11:27 pm

1 stop11h 22m

San Francisco

Mon 10/6

12:50 am-3:54 pm

2 stops12h 04m

$412

San JuanSan Francisco

SJU - SFO

SJUSFO

San Juan Luis Munoz Marin Intl

Sat 10/4

7:30 am-5:32 pm

1 stop13h 02m

San Francisco

Tue 10/7

6:10 am-9:59 pm

1 stop12h 49m

$412

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 36 results
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Best time to book a flight from Puerto Rico to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Puerto Rico 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.

Cheapflights Insights

Everything you need to know about your flight from Puerto Rico to San Francisco

What is the cheapest month to book a flight from Puerto Rico to San Francisco?

Currently, January is the cheapest month in which you can book a flight from Puerto Rico to San Francisco (average of $276). Flying from Puerto Rico to San Francisco in June is currently the most expensive (average of $357). 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.

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

Find hourly flight availability from Puerto Rico to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2025.

When flying from Puerto Rico to San Francisco, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. 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 Francisco. Reviews last updated September 16, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from Puerto Rico to San Francisco. 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.
Delta
8.0
Very good
7,957 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,957 reviews
Delta
8.0
Very good
7,957 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,924 reviews
Delta
8.0
Very good
7,957 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,957 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
JetBlue
7.2
Good
2,914 reviews
Delta
8.0
Very good
7,957 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Frontier
5.8
Fair
3,174 reviews
Delta
8.0
Very good
7,957 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Food

7.3

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Puerto Rico to San Francisco. 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 into for flights to San Francisco from Puerto Rico?

    If you book a flight to San Francisco from Puerto Rico, you will be flying to San Francisco, which is the city’s only airport. San Francisco (SFO) is located 11.8 mi from the center of San Francisco.

  • How long is the flight from Puerto Rico to San Francisco?

    Departing from Puerto Rico to San Francisco will take you 14h 10m. The distance from Puerto Rico to San Francisco is about 3559 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $185. However, be on the lookout for offers from Frontier and American Airlines, as they are both options that can get you from Puerto Rico to San Francisco for a low price.

  • What are the most popular routes from Puerto Rico to San Francisco?

    The most popular route from Puerto Rico to San Francisco is San Juan Luis Munoz Marin Intl - San Francisco. You may also consider Aguadilla Borinquen - San Francisco or Ponce Mercedita - San Francisco.

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

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Puerto Rico to San Francisco (average of $276). Flying from Puerto Rico to San Francisco in June is currently the most expensive (average of $357). 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

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Roseville
Santa Cruz
Livermore
South San Francisco
Turlock
Antioch
Watsonville
Santa Clara
Manteca
Sunnyvale
Hollister
Vacaville
Foster City
Union City
Vallejo
Burlingame
Redwood City
San Mateo
San Leandro
Lathrop

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Puerto Rico to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Puerto Rico to San Francisco

Discover the top 5 airlines that operate flights from Puerto Rico to San Francisco. 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 2,558,603 searches. Data last updated September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$177Average$515FlexibilityNo cancel feeOn-time69%
DeltaCheapest$234Average$484FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$276Average$343FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$298Average$506FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$354Average$537FlexibilityNo cancel feeOn-time71%

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