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Puerto Rico

$135+ 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 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SJU
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
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 July 29, 2025.

Round-trip from

$268
(Frontier)

One-way from

$135
(CheapOair)

Popular in

December

Cheapest in

September

Average price

$549
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. 10% potential increase in price ($56 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 29, 2025.

This Frontier deal was found by Cheapflights users on 7/27. 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.
Sun 8/108:53 pmSFO - BQN
1 stop10h 38mFrontier
Wed 8/132:59 amBQN - SFO
1 stop10h 26mFrontier
Deal found 7/27$268
This Priceline deal was found by Cheapflights users on 7/27. 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 8/88:53 pmSFO - PSE
1 stop9h 23mFrontier
Fri 8/159:16 amPSE - SFO
1 stop28h 09mFrontier
Deal found 7/27$269
This Frontier deal was found by Cheapflights users on 7/28. 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 8/98:53 pmSFO - SJU
1 stop9h 11mFrontier
Sat 8/169:30 pmSJU - SFO
1 stop15h 55mFrontier
Deal found 7/28$298
This JetBlue deal was found by Cheapflights users on 7/29. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/317:45 amSFO - SJU
1 stop10h 44mJetBlue
Wed 11/1212:45 pmSJU - SFO
1 stop15h 29mJetBlue
Deal found 7/29$358
This United Airlines deal was found by Cheapflights users on 7/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/99:00 pmSFO - SJU
1 stop12h 00mUnited Airlines
Fri 10/102:00 pmSJU - SFO
1 stop11h 57mUnited Airlines
Deal found 7/29$364
This United Airlines deal was found by Cheapflights users on 7/28. 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.
Sat 10/45:15 amSFO - BQN
2 stops14h 54mUnited Airlines
Fri 10/1012:15 amBQN - SFO
1 stop12h 45mUnited Airlines
Deal found 7/28$369
This Delta deal was found by Cheapflights users on 7/28. 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.
Sat 9/209:38 pmSFO - SJU
1 stop12h 38mDelta
Fri 9/2612:58 pmSJU - SFO
2 stops13h 52mDelta
Deal found 7/28$369
This Priceline deal was found by Cheapflights users on 7/28. 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 10/411:20 pmSFO - BQN
1 stop15h 30mJetBlue
Sat 10/116:45 pmBQN - SFO
1 stop18h 35mJetBlue
Deal found 7/28$385
This American Airlines deal was found by Cheapflights users on 7/27. 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.
Fri 8/1511:59 pmSFO - SJU
1 stop15h 16mAmerican Airlines
Wed 8/206:00 amSJU - SFO
1 stop19h 59mAmerican Airlines
Deal found 7/27$392
This Southwest deal was found by Cheapflights users on 7/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/87:50 pmSFO - SJU
2 stops12h 00mSouthwest
Mon 9/225:50 amSJU - SFO
1 stop17h 20mSouthwest
Deal found 7/29$411
This JetBlue deal was found by Cheapflights users on 7/28. 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.
Wed 8/67:40 amSFO - PSE
1 stop13h 39mJetBlue
Tue 8/191:59 amPSE - SFO
1 stop12h 51mJetBlue
Deal found 7/28$796
This United deal was found by Cheapflights users on 7/27. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/27:10 amSFO - VQS
2 stops22h 15mMultiple Airlines
Tue 9/94:20 pmVQS - SFO
2 stops19h 52mMultiple Airlines
Deal found 7/27$855

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 July 29, 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 FranciscoAguadilla

SFO - BQN

SFOBQN

San Francisco

Sun 8/10

8:53 pm-10:31 am

1 stop10h 38m

Aguadilla Borinquen

Tue 8/12

2:59 am-10:25 am

1 stop10h 26m

$268

San FranciscoPonce

SFO - PSE

SFOPSE

San Francisco

Fri 8/8

8:53 pm-9:16 am

1 stop9h 23m

Ponce Mercedita

Fri 8/15

9:16 am-10:25 am

1 stop28h 09m

$269

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Sat 8/9

8:53 pm-9:04 am

1 stop9h 11m

San Juan Luis Munoz Marin Intl

Sat 8/16

9:30 pm-10:25 am

1 stop15h 55m

$298

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Thu 10/9

9:00 pm-12:00 pm

1 stop12h 00m

San Juan Luis Munoz Marin Intl

Fri 10/10

2:00 pm-10:57 pm

1 stop11h 57m

$364

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Sat 9/20

9:38 pm-1:16 pm

1 stop12h 38m

San Juan Luis Munoz Marin Intl

Fri 9/26

12:58 pm-11:50 pm

2 stops13h 52m

$369

San FranciscoAguadilla

SFO - BQN

SFOBQN

San Francisco

Sat 10/4

5:15 am-11:09 pm

2 stops14h 54m

Aguadilla Borinquen

Fri 10/10

12:15 am-10:00 am

1 stop12h 45m

$369

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Tue 9/16

6:15 am-9:24 pm

1 stop12h 09m

San Juan Luis Munoz Marin Intl

Fri 9/26

1:00 pm-11:59 pm

1 stop13h 59m

$370

San FranciscoAguadilla

SFO - BQN

SFOBQN

San Francisco

Sat 10/4

11:20 pm-5:50 pm

1 stop15h 30m

Aguadilla Borinquen

Sat 10/11

6:45 pm-10:20 am

1 stop18h 35m

$385

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Fri 8/15

11:59 pm-6:15 pm

1 stop15h 16m

San Juan Luis Munoz Marin Intl

Wed 8/20

6:00 am-10:59 pm

1 stop19h 59m

$392

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Mon 9/8

7:50 pm-10:50 am

2 stops12h 00m

San Juan Luis Munoz Marin Intl

Mon 9/22

5:50 am-8:10 pm

1 stop17h 20m

$411

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 28 results
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2
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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 July 29, 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 July 29, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Delta 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Food

7.1

Crew

8.5

Overall

8.0

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

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Food

7.1

Crew

8.5

Overall

8.0

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
4,238 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Food

7.1

Crew

8.5

Overall

8.0

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
7,977 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Food

7.1

Crew

8.5

Overall

8.0

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
8,899 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Food

7.1

Crew

8.5

Overall

8.0

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?

    $135 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 $166 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

Browse thousands of different options on Cheapflights for your next trip

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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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$160Average$334FlexibilityNo cancel feeOn-time62%
DeltaCheapest$242Average$639FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$288Average$467FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$328Average$599FlexibilityNo cancel feeOn-time69%
Sun Country AirCheapest$337Average$904FlexibilityNo cancel feeOn-time83%
American AirlinesCheapest$343Average$530FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$486Average$675FlexibilityNo cancel feeOn-time63%

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