HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Puerto Rico

$178+ 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 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SJU
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Francisco to Puerto Rico with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 December 12, 2025.

This Delta deal was found by Cheapflights users on 12/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:00 amSFO - SJU
1 stop13h 20mDelta
Wed 1/147:00 amSJU - SFO
1 stop13h 03mDelta
Deal found 12/10$379
This JetBlue deal was found by Cheapflights users on 12/10. 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 12/2911:25 pmSFO - SJU
1 stop11h 36mJetBlue
Mon 1/56:01 amSJU - SFO
1 stop10h 18mJetBlue
Deal found 12/10$395
This Delta deal was found by Cheapflights users on 12/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:00 amSFO - SJU
1 stop13h 20mDelta
Sat 1/176:15 amSJU - SFO
2 stops20h 00mDelta
Deal found 12/10$402
This Priceline deal was found by Cheapflights users on 12/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2111:32 amSFO - SJU
1 stop15h 02mMultiple Airlines
Wed 12/249:36 amSJU - SFO
1 stop17h 54mMultiple Airlines
Deal found 12/10$443
This Mytrip deal was found by Cheapflights users on 12/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1211:38 pmSFO - SJU
1 stop11h 20mMultiple Airlines
Fri 12/192:52 pmSJU - SFO
1 stop12h 02mMultiple Airlines
Deal found 12/11$447
This American Airlines deal was found by Cheapflights users on 12/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/145:00 pmSFO - SJU
1 stop17h 44mAmerican Airlines
Sun 12/216:00 amSJU - SFO
1 stop13h 01mAmerican Airlines
Deal found 12/11$452
This United Airlines deal was found by Cheapflights users on 12/10. 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.
Wed 12/315:00 amSFO - SJU
1 stop12h 00mUnited Airlines
Tue 1/133:46 pmSJU - SFO
1 stop12h 13mUnited Airlines
Deal found 12/10$459
This CheapOair deal was found by Cheapflights users on 12/10. 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.
Wed 12/179:44 pmSFO - SJU
1 stop9h 46mJetBlue
Tue 1/206:01 amSJU - SFO
1 stop32h 29mJetBlue
Deal found 12/10$460
This United Airlines deal was found by Cheapflights users on 12/11. 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 12/168:35 amSFO - SJU
1 stop12h 01mUnited Airlines
Wed 12/245:50 pmSJU - SFO
1 stop11h 27mUnited Airlines
Deal found 12/11$462
This American Airlines deal was found by Cheapflights users on 12/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3111:35 pmSFO - SJU
1 stop20h 24mAmerican Airlines
Mon 1/126:30 amSJU - SFO
1 stop19h 43mAmerican Airlines
Deal found 12/10$465
This American Airlines deal was found by Cheapflights users on 12/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1011:28 pmSFO - SJU
1 stop12h 29mAmerican Airlines
Tue 1/131:24 pmSJU - SFO
1 stop14h 12mAmerican Airlines
Deal found 12/10$466
This Kiwi.com deal was found by Cheapflights users on 12/11. 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.
Tue 12/308:16 pmSFO - SJU
1 stop24h 17mMultiple Airlines
Sat 1/107:10 amSJU - SFO
2 stops28h 53mMultiple Airlines
Deal found 12/11$469

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 December 12, 2025.

Round-trip from

$325
(Trip.com)

One-way from

$178
(Kiwi.com)

Popular in

December

Cheapest in

May

Average price

$596
From San Francisco to Puerto Rico
Search Deals
One-way flight from San Francisco to Puerto Rico
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($24 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 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 FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Mon 1/26

9:50 am-12:35 am

2 stops10h 45m

San Juan Luis Munoz Marin Intl

Sat 1/31

6:00 am-7:10 pm

1 stop17h 10m

$338

San FranciscoAguadilla

SFO - BQN

SFOBQN

San Francisco

Mon 2/2

7:00 am-10:28 pm

1 stop11h 28m

Aguadilla Borinquen

Tue 2/10

3:45 pm-11:30 pm

1 stop11h 45m

$356

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Wed 2/25

10:39 am-12:59 am

1 stop10h 20m

San Juan Luis Munoz Marin Intl

Wed 3/4

1:53 pm-11:58 pm

1 stop14h 05m

$357

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Mon 2/23

7:00 am-11:59 pm

1 stop12h 59m

San Juan Luis Munoz Marin Intl

Fri 2/27

6:55 am-4:42 pm

1 stop13h 47m

$364

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Thu 1/1

6:00 am-11:20 pm

1 stop13h 20m

San Juan Luis Munoz Marin Intl

Fri 1/16

6:15 am-5:43 pm

1 stop15h 28m

$379

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Thu 1/1

8:00 am-11:20 pm

1 stop11h 20m

San Juan Luis Munoz Marin Intl

Sat 1/17

6:15 am-5:38 pm

1 stop15h 23m

$379

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Sat 1/24

6:00 am-11:57 pm

2 stops13h 57m

San Juan Luis Munoz Marin Intl

Thu 1/29

7:00 am-8:59 pm

2 stops17h 59m

$379

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Sat 1/17

11:59 pm-3:30 pm

1 stop11h 31m

San Juan Luis Munoz Marin Intl

Tue 1/20

11:06 am-9:20 pm

1 stop14h 14m

$395

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Sun 2/1

11:59 pm-3:30 pm

1 stop11h 31m

San Juan Luis Munoz Marin Intl

Mon 2/9

6:00 am-2:12 pm

1 stop12h 12m

$408

San FranciscoAguadilla

SFO - BQN

SFOBQN

San Francisco

Mon 1/5

6:00 am-11:57 pm

2 stops13h 57m

Aguadilla Borinquen

Thu 1/22

1:09 am-10:23 am

1 stop13h 14m

$416

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 39 results
1
2
3
4

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, December is the cheapest month in which you can book a flight from San Francisco to Puerto Rico (average of $169). Flying from San Francisco to Puerto Rico in October is currently the most expensive (average of $315). 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 December 12, 2025.

It’s optimal to fly from San Francisco to Puerto Rico in the afternoon. By choosing this option you can save up to 37% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly from San Francisco to Puerto Rico?

Use this chart to determine the cheapest time to fly round-trip from San Francisco to Puerto Rico. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their San Francisco to Puerto Rico flight should consider departing on Saturday mornings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 December 12, 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
7.9
Good
8,007 reviews

Food

7.3

Boarding

8.1

Entertainment

7.9

Overall

7.9

Comfort

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.
Delta
7.9
Good
8,007 reviews
Delta
7.9
Good
8,007 reviews

Food

7.3

Boarding

8.1

Entertainment

7.9

Overall

7.9

Comfort

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.
United Airlines
7.4
Good
9,095 reviews
Delta
7.9
Good
8,007 reviews

Food

7.3

Boarding

8.1

Entertainment

7.9

Overall

7.9

Comfort

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.
American Airlines
7.2
Good
11,050 reviews
Delta
7.9
Good
8,007 reviews

Food

7.3

Boarding

8.1

Entertainment

7.9

Overall

7.9

Comfort

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.
JetBlue
7.2
Good
2,899 reviews
Delta
7.9
Good
8,007 reviews

Food

7.3

Boarding

8.1

Entertainment

7.9

Overall

7.9

Comfort

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.
Frontier
5.8
Fair
3,084 reviews
Delta
7.9
Good
8,007 reviews

Food

7.3

Boarding

8.1

Entertainment

7.9

Overall

7.9

Comfort

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 11.8 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 45m. 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?

    $85 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on American Airlines and United Airlines, with prices starting from $164 and $174, 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, December is the cheapest month in which you can book a flight from San Francisco to Puerto Rico (average of $169). Flying from San Francisco to Puerto Rico in October is currently the most expensive (average of $315). 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.

Alternative routes for San Francisco to Puerto Rico

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Luis Munoz Marin Intl flights
San Francisco to Luis Munoz Marin Intl flights
Los Angeles to Punta Cana flights
San Diego to Luis Munoz Marin Intl flights
Las Vegas to Luis Munoz Marin Intl flights
Ontario to Luis Munoz Marin Intl flights
Los Angeles to Nassau flights
San Francisco to Montego Bay flights
Los Angeles to Montego Bay flights
Sacramento to Luis Munoz Marin Intl flights
Santa Ana to Luis Munoz Marin Intl flights
Burbank to Luis Munoz Marin Intl flights
Ontario to Punta Cana flights
San Francisco to Punta Cana flights
Los Angeles to Simpson Bay flights
Los Angeles to Oranjestad flights
San Jose to Luis Munoz Marin Intl flights
Los Angeles to Santo Domingo flights
Los Angeles to Providenciales flights
Los Angeles to George Town flights
San Francisco to Nassau flights
Los Angeles to Puerto Plata flights
San Francisco to Saint Thomas Island flights
Las Vegas to Montego Bay flights
Los Angeles to Saint Thomas Island flights
San Francisco to Providenciales flights
Los Angeles to Castries flights
San Francisco to Oranjestad flights
Los Angeles to Kingston flights
Oakland to Luis Munoz Marin Intl flights
San Francisco to Christiansted flights
San Francisco to Santo Domingo flights
Los Angeles to Road Town flights
San Diego to Punta Cana flights
San Francisco to Simpson Bay flights
San Diego to Nassau flights
San Francisco to Kingston flights
Ontario to Montego Bay flights
Ontario to Nassau flights
San Francisco to George Town flights
Las Vegas to Nassau flights
San Francisco to Castries flights
San Francisco to Willemstad flights
San Francisco to Port of Spain flights
Fresno to Luis Munoz Marin Intl flights
Las Vegas to Punta Cana flights
Reno to Luis Munoz Marin Intl flights
Los Angeles to Bridgetown flights
San Francisco to St. John's flights
San Luis Obispo to Luis Munoz Marin Intl flights

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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$160Average$340FlexibilityNo cancel feeOn-time62%
DeltaCheapest$240Average$511FlexibilityNo cancel feeOn-timeN/A
Sun Country AirCheapest$286Average$934FlexibilityNo cancel feeOn-time83%
JetBlueCheapest$318Average$547FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$349Average$526FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$365Average$605FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$412Average$638FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.