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$159+ 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 1/16. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — SFO
Jan 20 — Jan 271
Tue 1/20
Tue 1/27
1 adult, Economy
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Cheap 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 December 21, 2025.

This eDestinos deal was found by Cheapflights users on 12/19. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/303:14 pmSJU - SFO
2 stops37h 10mFrontier
Mon 1/511:20 pmSFO - SJU
2 stops15h 18mFrontier
Deal found 12/19$433
This American Airlines deal was found by Cheapflights users on 12/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:00 amSJU - SFO
1 stop14h 26mAmerican Airlines
Tue 1/612:17 amSFO - SJU
2 stops12h 44mAmerican Airlines
Deal found 12/19$452
This Delta deal was found by Cheapflights users on 12/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/233:44 pmSJU - SFO
1 stop10h 59mDelta
Thu 1/18:00 amSFO - SJU
1 stop11h 20mDelta
Deal found 12/19$462
This Delta deal was found by Cheapflights users on 12/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/223:30 pmSJU - SFO
1 stop12h 27mDelta
Sun 1/47:20 pmSFO - SJU
2 stops12h 36mDelta
Deal found 12/20$499
This Delta deal was found by Cheapflights users on 12/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/237:30 amSJU - SFO
1 stop14h 29mDelta
Thu 1/812:40 amSFO - SJU
1 stop10h 38mDelta
Deal found 12/19$505
This American Airlines deal was found by Cheapflights users on 12/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/307:00 amSJU - SFO
1 stop17h 36mAmerican Airlines
Mon 1/53:56 pmSFO - SJU
1 stop19h 04mAmerican Airlines
Deal found 12/20$514
This eDestinos deal was found by Cheapflights users on 12/19. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/299:37 pmSJU - SFO
2 stops54h 47mMultiple Airlines
Fri 1/99:16 amSFO - SJU
1 stop26h 58mMultiple Airlines
Deal found 12/19$515
This eDestinos deal was found by Cheapflights users on 12/19. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/299:37 pmSJU - SFO
2 stops54h 47mFrontier
Fri 1/911:28 pmSFO - SJU
2 stops33h 07mFrontier
Deal found 12/19$516
This JetBlue deal was found by Cheapflights users on 12/19. 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 12/261:10 pmSJU - SFO
1 stop14h 20mJetBlue
Fri 1/98:26 amSFO - SJU
1 stop12h 56mJetBlue
Deal found 12/19$526
This United Airlines deal was found by Cheapflights users on 12/20. 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.
Fri 12/267:45 amSJU - SFO
1 stop11h 06mUnited Airlines
Sat 1/104:10 pmSFO - SJU
1 stop10h 01mUnited Airlines
Deal found 12/20$529
This eDestinos deal was found by Cheapflights users on 12/19. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/237:33 pmSJU - SFO
2 stops30h 03mFrontier
Thu 1/16:24 amSFO - SJU
2 stops38h 30mFrontier
Deal found 12/19$530
This JetBlue deal was found by Cheapflights users on 12/21. 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.
Sat 12/275:01 amPSE - SFO
1 stop13h 10mJetBlue
Mon 1/510:40 amSFO - PSE
1 stop12h 21mJetBlue
Deal found 12/21$1,190

Find 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 December 21, 2025.

Round-trip from

$308
(Kiwi.com)

One-way from

$159
(Southwest)

Popular in

January

Cheapest in

April

Average price

$506
From Puerto Rico to San Francisco
Search Deals
One-way flight from Puerto Rico to San Francisco
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($54 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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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 December 21, 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

Thu 2/19

6:00 am-8:03 am

2 stops30h 03m

San Francisco

Tue 2/24

10:58 pm-2:22 pm

1 stop11h 24m

$328

San JuanSan Francisco

SJU - SFO

SJUSFO

San Juan Luis Munoz Marin Intl

Thu 2/19

7:50 am-11:58 pm

1 stop20h 08m

San Francisco

Tue 2/24

12:55 pm-3:50 am

1 stop10h 55m

$355

San JuanSan Francisco

SJU - SFO

SJUSFO

San Juan Luis Munoz Marin Intl

Thu 2/26

6:55 am-4:42 pm

1 stop13h 47m

San Francisco

Mon 3/2

7:00 am-11:44 pm

1 stop12h 44m

$364

San JuanSan Francisco

SJU - SFO

SJUSFO

San Juan Luis Munoz Marin Intl

Thu 2/19

5:35 am-2:40 pm

2 stops13h 05m

San Francisco

Tue 2/24

7:40 am-12:35 am

2 stops12h 55m

$420

AguadillaSan Francisco

BQN - SFO

BQNSFO

Aguadilla Borinquen

Thu 2/12

2:30 am-12:46 pm

1 stop14h 16m

San Francisco

Mon 2/16

7:00 am-11:58 pm

1 stop12h 58m

$430

AguadillaSan Francisco

BQN - SFO

BQNSFO

Aguadilla Borinquen

Fri 2/6

3:45 pm-11:30 pm

1 stop11h 45m

San Francisco

Sun 2/8

11:59 pm-2:49 pm

1 stop10h 50m

$451

San JuanSan Francisco

SJU - SFO

SJUSFO

San Juan Luis Munoz Marin Intl

Wed 2/11

7:07 am-4:34 pm

2 stops13h 27m

San Francisco

Mon 2/16

6:10 am-11:44 pm

1 stop13h 34m

$454

San JuanSan Francisco

SJU - SFO

SJUSFO

San Juan Luis Munoz Marin Intl

Thu 2/26

5:50 pm-1:28 am

1 stop11h 38m

San Francisco

Mon 3/2

7:06 pm-12:49 pm

2 stops13h 43m

$459

AguadillaSan Francisco

BQN - SFO

BQNSFO

Aguadilla Borinquen

Thu 2/5

1:09 am-3:35 pm

2 stops18h 26m

San Francisco

Sun 2/8

5:00 am-11:57 pm

2 stops14h 57m

$459

San JuanSan Francisco

SJU - SFO

SJUSFO

San Juan Luis Munoz Marin Intl

Wed 12/24

6:30 am-12:50 pm

1 stop10h 20m

San Francisco

Sun 1/4

7:20 pm-11:56 am

2 stops12h 36m

$462

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/19

Showing 1-10 of 37 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, June is the cheapest month in which you can book a flight from Puerto Rico to San Francisco (average of $119). Flying from Puerto Rico to San Francisco in January is currently the most expensive (average of $306). 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 December 21, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 36% on flights from Puerto Rico to San Francisco by exploring options for tickets at noon.

What is the cheapest day to fly from Puerto Rico to San Francisco?

Use this chart to determine the cheapest time to fly round-trip from Puerto Rico to San Francisco. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Puerto Rico to San Francisco flight should consider departing on Wednesday evenings when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 December 21, 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
7.9
Good
8,021 reviews

Entertainment

7.9

Boarding

8.1

Overall

7.9

Crew

8.5

Food

7.3

Comfort

7.9

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
7.9
Good
8,021 reviews
Delta
7.9
Good
8,021 reviews

Entertainment

7.9

Boarding

8.1

Overall

7.9

Crew

8.5

Food

7.3

Comfort

7.9

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
9,099 reviews
Delta
7.9
Good
8,021 reviews

Entertainment

7.9

Boarding

8.1

Overall

7.9

Crew

8.5

Food

7.3

Comfort

7.9

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
11,050 reviews
Delta
7.9
Good
8,021 reviews

Entertainment

7.9

Boarding

8.1

Overall

7.9

Crew

8.5

Food

7.3

Comfort

7.9

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
2,895 reviews
Delta
7.9
Good
8,021 reviews

Entertainment

7.9

Boarding

8.1

Overall

7.9

Crew

8.5

Food

7.3

Comfort

7.9

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
3,082 reviews
Delta
7.9
Good
8,021 reviews

Entertainment

7.9

Boarding

8.1

Overall

7.9

Crew

8.5

Food

7.3

Comfort

7.9

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 18h 26m. 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 Frontier, with whom users have recently found tickets for as low as $84. However, be on the lookout for offers from JetBlue and Southwest, 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 Vieques - 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, June is the cheapest month in which you can book a flight from Puerto Rico to San Francisco (average of $119). Flying from Puerto Rico to San Francisco in January is currently the most expensive (average of $306). 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
South San Francisco
Santa Cruz
Livermore
Turlock
Manteca
Watsonville
Redwood City
Sunnyvale
Santa Clara
San Bruno
Daly City
San Carlos
Vallejo
Hollister
San Ramon
Foster City
Union City
Davis
Emeryville

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 December 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$230Average$511FlexibilityNo cancel feeOn-time69%
DeltaCheapest$234Average$412FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$268Average$343FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$313Average$565FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$349Average$461FlexibilityNo cancel feeOn-time71%

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