Puerto Rico

$180+ 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 4/14. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SJU
Apr 14 — Apr 211
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Cheap 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 March 15, 2026.

This Priceline deal was found by Cheapflights users on 3/15. 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.
Sat 4/2510:38 pm
SFO
-
SJU
1 stop12h 30m
Multiple Airlines
Sat 5/912:15 pm
SJU
-
SFO
1 stop14h 41m
Multiple Airlines
Deal found 3/15$369
This CheapOair deal was found by Cheapflights users on 3/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/238:44 pm
SFO
-
SJU
1 stop32h 20m
Frontier
Mon 6/16:09 pm
SJU
-
SFO
1 stop19h 32m
Frontier
Deal found 3/14$371
This Expedia deal was found by Cheapflights users on 3/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/910:38 pm
SFO
-
SJU
1 stop12h 30m
Multiple Airlines
Mon 5/1812:15 pm
SJU
-
SFO
1 stop14h 41m
Multiple Airlines
Deal found 3/10$374
This Frontier deal was found by Cheapflights users on 3/13. 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 7/3011:59 pm
SFO
-
BQN
1 stop8h 52m
Frontier
Mon 8/312:46 pm
BQN
-
SFO
1 stop13h 06m
Frontier
Deal found 3/13$376
This Frontier deal was found by Cheapflights users on 3/12. 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 7/3011:59 pm
SFO
-
SJU
1 stop13h 37m
Frontier
Sun 8/163:59 pm
SJU
-
SFO
1 stop9h 53m
Frontier
Deal found 3/12$376
This Priceline deal was found by Cheapflights users on 3/11. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/411:59 pm
SFO
-
PSE
1 stop29h 57m
Frontier
Tue 9/89:55 am
PSE
-
SFO
1 stop15h 57m
Frontier
Deal found 3/11$376
This CheapOair deal was found by Cheapflights users on 3/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/318:44 pm
SFO
-
SJU
1 stop26h 24m
Frontier
Fri 6/53:03 am
SJU
-
SFO
1 stop10h 38m
Frontier
Deal found 3/11$377
This Kiwi.com deal was found by Cheapflights users on 3/12. 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 4/76:00 am
SFO
-
SJU
2 stops38h 58m
Multiple Airlines
Fri 4/173:23 pm
SJU
-
SFO
1 stop29h 11m
Multiple Airlines
Deal found 3/12$381
This Priceline deal was found by Cheapflights users on 3/14. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/258:44 pm
SFO
-
BQN
1 stop26h 18m
Frontier
Sun 5/312:59 am
BQN
-
SFO
1 stop10h 42m
Frontier
Deal found 3/14$386
This Frontier deal was found by Cheapflights users on 3/15. 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.
Sat 3/2810:38 pm
SFO
-
SJU
1 stop12h 39m
Frontier
Sun 4/56:00 am
SJU
-
SFO
1 stop16h 19m
Frontier
Deal found 3/15$386
This CheapOair deal was found by Cheapflights users on 3/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/18:44 pm
SFO
-
SJU
1 stop26h 24m
Frontier
Mon 6/153:59 pm
SJU
-
SFO
1 stop9h 53m
Frontier
Deal found 3/15$387
This Trip.com deal was found by Cheapflights users on 3/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/110:38 pm
SFO
-
SJU
1 stop12h 59m
Frontier
Sun 5/31:59 am
SJU
-
SFO
2 stops18h 35m
Frontier
Deal found 3/10$388

Find 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 March 15, 2026.

Round-trip from

$369
(Priceline)

One-way from

$180
(Kiwi.com)

Popular in

December

Cheapest in

May

Average price

$491
From San Francisco to Puerto Rico
One-way flight from San Francisco to Puerto Rico
Highest demand for flights based on searches. 7% potential increase in price ($37 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Average for round-trip flights in March 2026

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 March 15, 2026.
Use the filters below to find and compare flights from San Francisco to Puerto Rico that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoAguadilla

SFO - BQN

SFOBQN

San Francisco

Thu 5/21

11:59 pm-11:51 am

1 stop8h 52m

Aguadilla Borinquen

Sun 5/24

2:58 am-10:52 pm

1 stop22h 54m

$411

San FranciscoPonce

SFO - PSE

SFOPSE

San Francisco

Fri 5/22

8:44 pm-9:07 am

1 stop9h 23m

Ponce Mercedita

Wed 5/27

10:02 am-10:41 am

1 stop27h 39m

$411

San FranciscoPonce

SFO - PSE

SFOPSE

San Francisco

Wed 6/3

8:44 pm-9:07 am

1 stop9h 23m

Ponce Mercedita

Tue 6/9

9:55 am-10:52 pm

1 stop15h 57m

$446

San FranciscoPonce

SFO - PSE

SFOPSE

San Francisco

Thu 5/21

8:44 pm-9:07 am

1 stop9h 23m

Ponce Mercedita

Sat 5/30

10:02 am-10:41 am

1 stop27h 39m

$446

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Mon 4/27

11:05 pm-2:29 pm

1 stop12h 24m

San Juan Luis Munoz Marin Intl

Thu 4/30

3:25 pm-11:56 pm

1 stop11h 31m

$455

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Tue 4/7

5:00 am-5:38 pm

1 stop9h 38m

San Juan Luis Munoz Marin Intl

Tue 4/14

7:20 am-5:39 pm

1 stop13h 19m

$471

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Thu 4/9

10:38 pm-12:34 pm

1 stop10h 56m

San Juan Luis Munoz Marin Intl

Wed 4/15

1:00 am-9:30 am

1 stop11h 30m

$473

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Mon 4/27

10:50 pm-2:44 pm

1 stop12h 54m

San Juan Luis Munoz Marin Intl

Thu 4/30

4:55 pm-1:16 am

1 stop11h 21m

$520

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Mon 6/1

7:00 pm-10:35 am

2 stops12h 35m

San Juan Luis Munoz Marin Intl

Fri 6/5

5:30 am-5:30 pm

1 stop15h 00m

$523

San FranciscoPonce

SFO - PSE

SFOPSE

San Francisco

Sat 5/16

5:41 pm-9:02 am

2 stops36h 21m

Ponce Mercedita

Sat 5/23

10:02 am-10:41 am

1 stop27h 39m

$543

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/14

Showing 1-10 of 58 resultsSorted by cheapest first
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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, January is the cheapest month in which you can book a flight from San Francisco to Puerto Rico (average of $162). Flying from San Francisco to Puerto Rico 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.

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 March 15, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andJetBlue 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.

Comfort

7.9

Overall

7.9

Boarding

8.1

Crew

8.5

Entertainment

7.8

Food

7.2

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.

Comfort

7.9

Overall

7.9

Boarding

8.1

Crew

8.5

Entertainment

7.8

Food

7.2

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.

Comfort

7.9

Overall

7.9

Boarding

8.1

Crew

8.5

Entertainment

7.8

Food

7.2

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.

Comfort

7.9

Overall

7.9

Boarding

8.1

Crew

8.5

Entertainment

7.8

Food

7.2

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.

Comfort

7.9

Overall

7.9

Boarding

8.1

Crew

8.5

Entertainment

7.8

Food

7.2

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.

Comfort

7.9

Overall

7.9

Boarding

8.1

Crew

8.5

Entertainment

7.8

Food

7.2

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 8h 52m. The distance between San Francisco and Puerto Rico 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 San Francisco to Puerto Rico one-way?

    $134 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 JetBlue, with prices starting from $174 and $175, respectively.

  • What are the most popular routes 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, January is the cheapest month in which you can book a flight from San Francisco to Puerto Rico (average of $162). Flying from San Francisco to Puerto Rico 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.

Top 8 airlines flying from San Francisco to Puerto Rico

Discover the top 8 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 March 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$154Average$356FlexibilityNo cancel feeOn-time62%
DeltaCheapest$172Average$396FlexibilityNo cancel feeOn-timeN/A
Sun Country AirCheapest$222Average$834FlexibilityNo cancel feeOn-time83%
JetBlueCheapest$272Average$462FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$329Average$428FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$359Average$572FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$359Average$543FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$398Average$593FlexibilityNo cancel feeOn-time63%

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