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Puerto Rico

$133+ Cheap flights from San Francisco (SFO) to Puerto Rico

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 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SJU
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from San Francisco to Puerto Rico

Keep the following information in mind while searching for San Francisco to Puerto Rico flight deals. Data was last updated September 11, 2025.

Round-trip from

$320
(Frontier)

One-way from

$133
(Kiwi.com)

Popular in

December

Cheapest in

May

Average price

$456
From San Francisco to Puerto Rico
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One-way flight from San Francisco to Puerto Rico
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Highest demand for flights based on searches. 7% potential increase in price ($40 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($18 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 San Francisco to Puerto Rico

Cheapest flights from San Francisco to Puerto Rico
Explore the most affordable flight options available from San Francisco to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Frontier deal was found by Cheapflights users on 9/10. 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.
Mon 9/2211:57 pmSFO - SJU
2 stops17h 34mFrontier
Fri 9/269:26 pmSJU - SFO
2 stops18h 49mFrontier
Deal found 9/10$320
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Sat 9/2011:00 pmSFO - SJU
1 stop12h 11mMultiple Airlines
Fri 10/37:40 pmSJU - SFO
2 stops39h 35mMultiple Airlines
Deal found 9/10$321
This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
Sat 10/2510:23 pmSFO - SJU
1 stop12h 46mMultiple Airlines
Sat 11/15:18 pmSJU - SFO
1 stop22h 57mMultiple Airlines
Deal found 9/11$322
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Fri 9/2611:00 pmSFO - SJU
1 stop12h 11mMultiple Airlines
Fri 10/37:40 pmSJU - SFO
2 stops39h 35mMultiple Airlines
Deal found 9/10$323
This Kiwi.com deal was found by Cheapflights users on 9/11. 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.
Sun 10/2610:23 pmSFO - SJU
1 stop12h 43mMultiple Airlines
Sun 11/26:18 pmSJU - SFO
1 stop21h 52mMultiple Airlines
Deal found 9/11$327
This Frontier deal was found by Cheapflights users on 9/11. 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.
Sat 10/2510:23 pmSFO - SJU
1 stop12h 46mFrontier
Wed 10/299:00 amSJU - SFO
2 stops16h 27mFrontier
Deal found 9/11$328
This Frontier deal was found by Cheapflights users on 9/10. 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 9/2611:00 pmSFO - SJU
1 stop12h 11mFrontier
Fri 10/39:26 pmSJU - SFO
2 stops18h 49mFrontier
Deal found 9/10$329
This CheapOair deal was found by Cheapflights users on 9/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2511:20 pmSFO - SJU
1 stop11h 34mJetBlue
Tue 9/3012:15 pmSJU - SFO
1 stop13h 55mJetBlue
Deal found 9/10$330
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Fri 10/2410:23 pmSFO - SJU
1 stop13h 05mMultiple Airlines
Fri 10/318:00 amSJU - SFO
2 stops19h 14mMultiple Airlines
Deal found 9/9$333
This JetBlue deal was found by Cheapflights users on 9/10. 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.
Mon 9/2911:20 pmSFO - SJU
1 stop11h 34mJetBlue
Sun 10/53:03 amSJU - SFO
1 stop11h 50mJetBlue
Deal found 9/10$335
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Sat 11/110:23 pmSFO - SJU
1 stop13h 56mFrontier
Fri 11/72:11 amSJU - SFO
2 stops24h 16mFrontier
Deal found 9/9$337
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 11/1310:23 pmSFO - SJU
1 stop12h 56mMultiple Airlines
Mon 11/176:00 amSJU - SFO
2 stops22h 14mMultiple Airlines
Deal found 9/9$338

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco to Puerto Rico 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 11, 2025.
Use the filters below to find and compare flights from San Francisco to Puerto Rico that are best for you.

Fly from

San Francisco

Fly to

Puerto Rico

Route

Depart

Return

Price

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Fri 10/31

9:50 pm-11:36 am

1 stop10h 46m

San Juan Luis Munoz Marin Intl

Wed 11/12

7:00 am-6:14 pm

1 stop15h 14m

$339

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Tue 10/28

12:35 am-4:33 pm

2 stops12h 58m

San Juan Luis Munoz Marin Intl

Sat 11/1

2:31 pm-10:30 pm

1 stop10h 59m

$339

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Tue 10/21

8:00 am-9:24 pm

1 stop10h 24m

San Juan Luis Munoz Marin Intl

Wed 11/5

12:30 pm-11:59 pm

1 stop15h 29m

$356

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Mon 10/20

10:00 pm-12:27 pm

1 stop11h 27m

San Juan Luis Munoz Marin Intl

Wed 11/5

12:30 pm-11:59 pm

1 stop15h 29m

$356

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Wed 11/12

6:00 am-11:13 pm

2 stops13h 13m

San Juan Luis Munoz Marin Intl

Fri 11/21

2:10 pm-1:12 am

1 stop15h 02m

$362

San FranciscoAguadilla

SFO - BQN

SFOBQN

San Francisco

Sat 10/4

6:30 am-11:09 pm

2 stops13h 39m

Aguadilla Borinquen

Tue 10/7

12:15 am-9:29 am

1 stop12h 14m

$369

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Sat 11/1

5:30 pm-12:56 pm

2 stops16h 26m

San Juan Luis Munoz Marin Intl

Wed 11/5

7:00 am-7:30 pm

2 stops16h 30m

$385

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Sat 11/1

4:45 pm-12:56 pm

2 stops17h 11m

San Juan Luis Munoz Marin Intl

Sat 11/8

7:00 am-7:05 pm

2 stops16h 05m

$385

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Mon 10/20

12:35 am-4:25 pm

2 stops12h 50m

San Juan Luis Munoz Marin Intl

Sat 10/25

2:22 pm-10:35 pm

1 stop11h 13m

$385

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Wed 10/29

5:00 am-5:25 pm

1 stop9h 25m

San Juan Luis Munoz Marin Intl

Fri 10/31

1:05 am-10:22 am

1 stop12h 17m

$389

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 45 results
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Best time to book a flight from San Francisco to Puerto Rico

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

Cheapflights Insights

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

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

Currently, September is the cheapest month in which you can book a flight from San Francisco to Puerto Rico (average of $254). Flying from San Francisco to Puerto Rico in June is currently the most expensive (average of $339). 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 SFO to PR?

Find hourly flight availability from San Francisco to Puerto Rico. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

When flying from San Francisco to Puerto Rico, 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 Puerto Rico

Get insights into the airlines that provide service to Puerto Rico. 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 Puerto Rico. Reviews last updated September 11, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from San Francisco to Puerto Rico by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
JetBlue
7.2
Good
2,913 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Frontier
5.8
Fair
3,177 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

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

    San Francisco (SFO), located 11.8 mi from the city center, is the airport you fly out of when you book flights from San Francisco to Puerto Rico.

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

    Departing from San Francisco to Puerto Rico will take you 10h 24m. The distance between San Francisco and Puerto Rico is about 3623 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    $133 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Delta and United Airlines, with prices starting from $170 and $253, respectively.

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

    While some choose either San Francisco - Aguadilla Borinquen or San Francisco - Ponce Mercedita, San Francisco - San Juan Luis Munoz Marin Intl is the most popular route from San Francisco to Puerto Rico.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Francisco to Puerto Rico 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 San Francisco to Puerto Rico?

    Currently, September is the cheapest month in which you can book a flight from San Francisco to Puerto Rico (average of $254). Flying from San Francisco to Puerto Rico in June is currently the most expensive (average of $339). 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

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Alternative routes for San Francisco to Puerto Rico

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from San Francisco to Puerto Rico

Discover the top 7 airlines that operate flights from San Francisco to Puerto Rico. 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 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$160Average$330FlexibilityNo cancel feeOn-time62%
DeltaCheapest$240Average$603FlexibilityNo cancel feeOn-timeN/A
Sun Country AirCheapest$286Average$994FlexibilityNo cancel feeOn-time83%
JetBlueCheapest$297Average$609FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$346Average$533FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$355Average$620FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$486Average$660FlexibilityNo cancel feeOn-time63%

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