Puerto Rico

$137+ 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 8/1. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SJU
Jun 3 — Jun 101
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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 May 4, 2026.

This Frontier deal was found by Cheapflights users on 5/3. 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 8/228:51 pm
SFO
-
BQN
1 stop11h 42m
Frontier
Tue 8/252:59 am
BQN
-
SFO
1 stop10h 30m
Frontier
Deal found 5/3$276
This Frontier deal was found by Cheapflights users on 5/2. 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.
Wed 7/1510:10 pm
SFO
-
SJU
1 stop13h 06m
Frontier
Thu 8/203:06 am
SJU
-
SFO
1 stop10h 23m
Frontier
Deal found 5/2$418
This Frontier deal was found by Cheapflights users on 5/3. 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.
Wed 9/210:15 pm
SFO
-
SJU
1 stop13h 00m
Frontier
Sun 9/63:06 am
SJU
-
SFO
1 stop10h 23m
Frontier
Deal found 5/3$421
This Priceline deal was found by Cheapflights users on 4/29. 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 8/2910:15 pm
SFO
-
SJU
1 stop13h 00m
Multiple Airlines
Wed 9/162:30 pm
SJU
-
SFO
1 stop11h 47m
Multiple Airlines
Deal found 4/29$428
This Priceline deal was found by Cheapflights users on 4/29. 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 6/198:51 pm
SFO
-
SJU
1 stop13h 25m
Frontier
Wed 6/246:05 pm
SJU
-
SFO
1 stop19h 29m
Frontier
Deal found 4/29$431
This Priceline deal was found by Cheapflights users on 5/1. 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 7/410:10 pm
SFO
-
SJU
1 stop13h 06m
Multiple Airlines
Thu 7/93:10 pm
SJU
-
SFO
1 stop21h 01m
Multiple Airlines
Deal found 5/1$432
This Priceline deal was found by Cheapflights users on 4/29. 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 7/310:10 pm
SFO
-
SJU
1 stop13h 05m
Frontier
Sun 7/126:31 pm
SJU
-
SFO
1 stop18h 44m
Frontier
Deal found 4/29$443
This Southwest deal was found by Cheapflights users on 4/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3010:30 pm
SFO
-
SJU
1 stop13h 00m
Southwest
Wed 9/168:20 am
SJU
-
SFO
2 stops11h 05m
Southwest
Deal found 4/30$446
This JetBlue deal was found by Cheapflights users on 5/1. 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 5/296:00 am
SFO
-
SJU
1 stop12h 42m
JetBlue
Wed 6/107:20 am
SJU
-
SFO
1 stop15h 01m
JetBlue
Deal found 5/1$447
This Priceline deal was found by Cheapflights users on 4/29. 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 8/2910:15 pm
SFO
-
SJU
1 stop13h 00m
Multiple Airlines
Wed 9/99:00 am
SJU
-
SFO
1 stop17h 17m
Multiple Airlines
Deal found 4/29$453
This Kiwi.com deal was found by Cheapflights users on 5/1. 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 7/178:23 pm
SFO
-
SJU
2 stops16h 34m
Multiple Airlines
Sat 8/226:10 am
SJU
-
SFO
1 stop19h 47m
Multiple Airlines
Deal found 5/1$455
This Kiwi.com deal was found by Cheapflights users on 5/1. 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 7/1712:24 am
SFO
-
SJU
1 stop25h 38m
Frontier
Thu 8/133:36 pm
SJU
-
SFO
2 stops23h 00m
Frontier
Deal found 5/1$456

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 May 4, 2026.

Round-trip from

$276
(Travelocity)

One-way from

$137
(Super.com)

Popular in

December

Cheapest in

May

Average price

$436
From San Francisco to Puerto Rico
One-way flight from San Francisco to Puerto Rico
Highest demand for flights based on searches. 4% potential increase in price ($23 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 May 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 May 4, 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 FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Mon 6/1

7:44 am-11:01 pm

1 stop12h 17m

San Juan Luis Munoz Marin Intl

Mon 6/15

1:47 pm-1:13 am

1 stop14h 26m

$503

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Mon 7/27

7:24 pm-1:11 pm

2 stops14h 47m

San Juan Luis Munoz Marin Intl

Fri 7/31

2:21 pm-11:52 pm

2 stops12h 31m

$548

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Fri 5/29

6:00 am-10:17 pm

1 stop13h 17m

San Juan Luis Munoz Marin Intl

Tue 6/9

2:14 pm-11:58 pm

2 stops12h 44m

$569

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Thu 5/28

6:00 am-10:17 pm

1 stop13h 17m

San Juan Luis Munoz Marin Intl

Thu 6/4

1:16 pm-11:57 pm

2 stops13h 41m

$569

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Sun 5/10

7:00 pm-12:01 pm

2 stops14h 01m

San Juan Luis Munoz Marin Intl

Fri 5/15

2:48 pm-10:48 pm

1 stop11h 00m

$571
Quickest round-trip

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Sat 7/25

10:15 am-1:15 am

2 stops12h 00m

San Juan Luis Munoz Marin Intl

Thu 7/30

5:00 am-1:40 pm

2 stops11h 40m

$581

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Thu 7/9

7:24 pm-1:11 pm

2 stops14h 47m

San Juan Luis Munoz Marin Intl

Mon 7/27

2:21 pm-11:46 pm

2 stops12h 25m

$597

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Tue 6/2

5:40 am-11:35 pm

2 stops14h 55m

San Juan Luis Munoz Marin Intl

Wed 6/10

1:10 pm-11:58 pm

2 stops13h 48m

$597

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Fri 6/19

8:45 pm-12:37 am

2 stops24h 52m

San Juan Luis Munoz Marin Intl

Sat 6/27

5:38 pm-7:55 pm

1 stop29h 17m

$604

San FranciscoAguadilla

SFO - BQN

SFOBQN

San Francisco

Mon 5/18

10:45 pm-1:23 pm

1 stop11h 38m

Aguadilla Borinquen

Fri 5/22

3:17 pm-12:33 am

1 stop12h 16m

$614

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/3

Showing 1-10 of 60 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

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

Booking 72 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Francisco to Puerto Rico. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, April is the cheapest month in which you can book a flight from San Francisco to Puerto Rico (average of $122). Flying from San Francisco to Puerto Rico in February is currently the most expensive (average of $263). 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 May 4, 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.

Food

7.2

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Overall

7.9

Crew

8.5

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.

Food

7.2

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Overall

7.9

Crew

8.5

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.

Food

7.2

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Overall

7.9

Crew

8.5

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.

Food

7.2

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Overall

7.9

Crew

8.5

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.

Food

7.2

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Overall

7.9

Crew

8.5

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.

Food

7.2

Boarding

8.1

Entertainment

7.8

Comfort

7.9

Overall

7.9

Crew

8.5

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 11.0 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 11h 38m. 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 JetBlue and American Airlines, with prices starting from $175 and $180, 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, April is the cheapest month in which you can book a flight from San Francisco to Puerto Rico (average of $122). Flying from San Francisco to Puerto Rico in February is currently the most expensive (average of $263). 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 May 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$135Average$380FlexibilityNo cancel feeOn-time62%
DeltaCheapest$185Average$461FlexibilityNo cancel feeOn-timeN/A
Sun Country AirCheapest$222Average$834FlexibilityNo cancel feeOn-time83%
JetBlueCheapest$276Average$473FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$329Average$428FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$359Average$583FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$360Average$562FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$412Average$593FlexibilityNo cancel feeOn-time63%

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