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Puerto Rico

$138+ 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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SJU
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$313
(Priceline)

One-way from

$138
(CheapOair)

Popular in

December

Cheapest in

September

Average price

$578
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. 11% potential increase in price ($63 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This CheapOair deal was found by Cheapflights users on 6/10. 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.
Tue 7/88:53 pmSFO - PSE
1 stop11h 10mFrontier
Mon 7/149:16 amPSE - SFO
1 stop28h 09mFrontier
Deal found 6/10$314
This Gotogate deal was found by Cheapflights users on 6/11. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/118:53 pmSFO - BQN
1 stop26h 08mFrontier
Sat 8/162:59 amBQN - SFO
1 stop10h 26mFrontier
Deal found 6/11$325
This Frontier deal was found by Cheapflights users on 6/10. 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.
Sat 8/3010:29 pmSFO - SJU
1 stop12h 57mFrontier
Thu 9/113:40 amSJU - SFO
2 stops20h 42mFrontier
Deal found 6/10$325
This JetBlue deal was found by Cheapflights users on 6/10. 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.
Tue 10/2110:30 pmSFO - SJU
1 stop13h 24mJetBlue
Wed 11/52:30 pmSJU - SFO
1 stop12h 18mJetBlue
Deal found 6/10$337
This Delta deal was found by Cheapflights users on 6/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/167:30 amSFO - SJU
1 stop11h 38mDelta
Fri 9/2612:55 pmSJU - SFO
1 stop9h 41mDelta
Deal found 6/11$349
This American Airlines deal was found by Cheapflights users on 6/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2812:47 amSFO - SJU
1 stop10h 20mAmerican Airlines
Sat 11/82:55 pmSJU - SFO
2 stops12h 07mAmerican Airlines
Deal found 6/12$369
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2211:10 pmSFO - SJU
1 stop12h 34mUnited Airlines
Sun 9/284:55 pmSJU - SFO
1 stop11h 00mUnited Airlines
Deal found 6/10$416
This Southwest deal was found by Cheapflights users on 6/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/85:30 amSFO - SJU
2 stops12h 15mSouthwest
Mon 10/205:50 amSJU - SFO
2 stops14h 45mSouthwest
Deal found 6/10$488
This JetBlue deal was found by Cheapflights users on 6/10. 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.
Tue 7/87:40 amSFO - PSE
1 stop13h 39mJetBlue
Tue 7/151:59 amPSE - SFO
1 stop12h 58mJetBlue
Deal found 6/10$509
This United Airlines deal was found by Cheapflights users on 6/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/87:00 amSFO - BQN
1 stop13h 09mUnited Airlines
Tue 7/1512:15 amBQN - SFO
2 stops18h 03mUnited Airlines
Deal found 6/11$519
This Trip.com deal was found by Cheapflights users on 6/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/116:00 amSFO - BQN
2 stops17h 01mMultiple Airlines
Sat 8/162:59 amBQN - SFO
1 stop23h 00mMultiple Airlines
Deal found 6/11$543
This JetBlue deal was found by Cheapflights users on 6/9. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/101:10 pmSFO - BQN
1 stop10h 49mJetBlue
Thu 7/179:35 amBQN - SFO
1 stop14h 19mJetBlue
Deal found 6/9$688

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 June 12, 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 FranciscoPonce

SFO - PSE

SFOPSE

San Francisco

Tue 7/8

8:53 pm-11:03 am

1 stop11h 10m

Ponce Mercedita

Mon 7/14

9:16 am-10:25 am

1 stop28h 09m

$314

San FranciscoAguadilla

SFO - BQN

SFOBQN

San Francisco

Mon 8/11

8:53 pm-2:01 am

1 stop26h 08m

Aguadilla Borinquen

Sat 8/16

2:59 am-10:25 am

1 stop10h 26m

$325

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Sat 8/30

10:29 pm-2:26 pm

1 stop12h 57m

San Juan Luis Munoz Marin Intl

Thu 9/11

3:40 am-9:22 pm

2 stops20h 42m

$325

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Tue 10/21

10:30 pm-2:54 pm

1 stop13h 24m

San Juan Luis Munoz Marin Intl

Wed 11/5

2:30 pm-10:48 pm

1 stop12h 18m

$337

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Tue 9/16

7:30 am-10:08 pm

1 stop11h 38m

San Juan Luis Munoz Marin Intl

Fri 9/26

12:55 pm-7:36 pm

1 stop9h 41m

$349

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Tue 10/28

12:47 am-2:07 pm

1 stop10h 20m

San Juan Luis Munoz Marin Intl

Sat 11/8

2:55 pm-11:02 pm

2 stops12h 07m

$369

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Mon 9/22

11:10 pm-2:44 pm

1 stop12h 34m

San Juan Luis Munoz Marin Intl

Sun 9/28

4:55 pm-12:55 am

1 stop11h 00m

$416

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Wed 10/8

5:30 am-8:45 pm

2 stops12h 15m

San Juan Luis Munoz Marin Intl

Mon 10/20

5:50 am-5:35 pm

2 stops14h 45m

$488

San FranciscoPonce

SFO - PSE

SFOPSE

San Francisco

Tue 7/8

7:40 am-12:19 am

1 stop13h 39m

Ponce Mercedita

Tue 7/15

1:59 am-11:57 am

1 stop12h 58m

$509

San FranciscoAguadilla

SFO - BQN

SFOBQN

San Francisco

Tue 7/8

7:00 am-11:09 pm

1 stop13h 09m

Aguadilla Borinquen

Tue 7/15

12:15 am-3:18 pm

2 stops18h 03m

$519

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 31 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 June 12, 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.

Rainfall in Puerto Rico by month

Plan your trip to Puerto Rico by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Puerto Rico ranges from 2.2 - 6.1 inches per month. November is typically the wettest month, when rainfall can reach 6.1 in. February is typically the driest time to visit Puerto Rico when rainfall is around 2.2 in.

Temperature in Puerto Rico by month

Plan your trip to Puerto Rico by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Puerto Rico, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).

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 June 12, 2025.
To help decide which airline to fly from San Francisco to Puerto Rico, see what other customers have to say about Alaska Airlines, Southwest and Delta. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
JetBlue
7.3
Good
2,925 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Crew

8.5

Comfort

7.8

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

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

    $138 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 $180 and $185, respectively.

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

    While some choose either San Francisco - Ponce Mercedita or San Francisco - Aguadilla Borinquen, 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$160Average$310FlexibilityNo cancel feeOn-time62%
DeltaCheapest$242Average$643FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$277Average$505FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$325Average$595FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$326Average$521FlexibilityNo cancel feeOn-time71%
Sun Country AirCheapest$334Average$904FlexibilityNo cancel feeOn-time83%
SouthwestCheapest$486Average$692FlexibilityNo cancel feeOn-time63%

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