HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Puerto Rico

$161+ 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 5/14. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SJU
May 6 — May 131
Tue 5/6
Tue 5/13
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

Keep the following information in mind while searching for San Francisco to Puerto Rico flight deals. Data was last updated May 1, 2025.

Round-trip from

$298
(Frontier)

One-way from

$161
(Booking.com)

Popular in

December

Cheapest in

September

Average price

$497
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. 9% potential increase in price ($51 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2025
Search Deals

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 May 1, 2025.

This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/139:59 pmSFO - SJU
1 stop9h 57mFrontier
Wed 5/143:56 amSJU - SFO
1 stop12h 19mFrontier
Deal found 4/29$298
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/219:59 pmSFO - PSE
1 stop31h 25mFrontier
Sat 5/249:56 amPSE - SFO
1 stop27h 32mFrontier
Deal found 4/30$319
This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/216:00 amSFO - SJU
1 stop12h 18mJetBlue
Tue 11/41:59 amSJU - SFO
1 stop14h 31mJetBlue
Deal found 4/29$350
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/278:00 amSFO - SJU
1 stop13h 05mAmerican Airlines
Thu 9/43:55 pmSJU - SFO
1 stop9h 45mAmerican Airlines
Deal found 4/30$359
This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2311:55 amSFO - BQN
1 stop11h 40mJetBlue
Wed 10/295:10 amBQN - SFO
1 stop11h 29mJetBlue
Deal found 4/30$364
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/512:47 amSFO - SJU
2 stops16h 36mDelta
Sat 5/106:15 amSJU - SFO
1 stop10h 50mDelta
Deal found 4/29$395
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/59:59 pmSFO - SJU
1 stop9h 57mMultiple Airlines
Fri 5/98:12 pmSJU - SFO
2 stops29h 10mMultiple Airlines
Deal found 4/29$400
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2412:43 amSFO - SJU
1 stop11h 59mUnited Airlines
Sun 9/284:55 pmSJU - SFO
1 stop11h 04mUnited Airlines
Deal found 4/29$423
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/2011:59 pmSFO - SJU
1 stop12h 17mSun Country Air
Sat 6/284:20 pmSJU - SFO
1 stop18h 48mSun Country Air
Deal found 4/29$480
This United Airlines 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 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 stops15h 01mUnited Airlines
Deal found 4/30$530
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/47:50 pmSFO - SJU
2 stops11h 25mSouthwest
Tue 9/98:00 amSJU - SFO
2 stops13h 25mSouthwest
Deal found 4/29$568
This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/1710:44 amSFO - PSE
1 stop10h 59mJetBlue
Sat 6/211:59 amPSE - SFO
1 stop13h 01mJetBlue
Deal found 4/30$833

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 1, 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

Tue 5/13

9:59 pm-10:56 am

1 stop9h 57m

San Juan Luis Munoz Marin Intl

Wed 5/14

3:56 am-1:15 pm

1 stop12h 19m

$298

San FranciscoPonce

SFO - PSE

SFOPSE

San Francisco

Wed 5/21

9:59 pm-8:24 am

1 stop31h 25m

Ponce Mercedita

Sat 5/24

9:56 am-10:28 am

1 stop27h 32m

$319

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Tue 10/21

8:35 pm-12:04 pm

1 stop12h 29m

San Juan Luis Munoz Marin Intl

Wed 11/5

5:01 am-12:30 pm

1 stop11h 29m

$350

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Wed 8/27

8:00 am-12:05 am

1 stop13h 05m

San Juan Luis Munoz Marin Intl

Thu 9/4

3:55 pm-10:40 pm

1 stop9h 45m

$359

San FranciscoAguadilla

SFO - BQN

SFOBQN

San Francisco

Wed 7/23

11:55 am-2:35 am

1 stop11h 40m

Aguadilla Borinquen

Wed 10/29

5:10 am-1:39 pm

1 stop11h 29m

$364

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Wed 9/24

12:43 am-3:42 pm

1 stop11h 59m

San Juan Luis Munoz Marin Intl

Sun 9/28

4:55 pm-12:59 am

1 stop11h 04m

$423

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Fri 6/20

11:59 pm-3:16 pm

1 stop12h 17m

San Juan Luis Munoz Marin Intl

Sat 6/28

4:20 pm-8:08 am

1 stop18h 48m

$480

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Fri 8/1

11:59 pm-3:16 pm

1 stop12h 17m

San Juan Luis Munoz Marin Intl

Thu 8/7

4:55 pm-10:25 am

1 stop20h 30m

$481

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-12:16 pm

2 stops15h 01m

$530

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Thu 9/4

7:50 pm-10:15 am

2 stops11h 25m

San Juan Luis Munoz Marin Intl

Tue 9/9

8:00 am-6:25 pm

2 stops13h 25m

$568

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 32 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, 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 December is currently the most expensive (average of $336). 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 May 1, 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 May 1, 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
9,972 reviews

Food

7.1

Overall

8.0

Boarding

8.1

Entertainment

7.1

Comfort

7.9

Crew

8.5

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
9,972 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Food

7.1

Overall

8.0

Boarding

8.1

Entertainment

7.1

Comfort

7.9

Crew

8.5

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
4,294 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Food

7.1

Overall

8.0

Boarding

8.1

Entertainment

7.1

Comfort

7.9

Crew

8.5

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
7,934 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Food

7.1

Overall

8.0

Boarding

8.1

Entertainment

7.1

Comfort

7.9

Crew

8.5

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
8,696 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Food

7.1

Overall

8.0

Boarding

8.1

Entertainment

7.1

Comfort

7.9

Crew

8.5

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
2,922 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Food

7.1

Overall

8.0

Boarding

8.1

Entertainment

7.1

Comfort

7.9

Crew

8.5

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?

    $161 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 Delta, with prices starting from $175 and $180, 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, 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 December is currently the most expensive (average of $336). 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
Los Angeles to Montego Bay flights
Los Angeles to Nassau flights
Ontario to Luis Munoz Marin Intl flights
San Diego to Luis Munoz Marin Intl flights
Burbank to Luis Munoz Marin Intl flights
San Francisco to Montego Bay flights
San Francisco to Punta Cana flights
Los Angeles to Santo Domingo flights
Las Vegas to Luis Munoz Marin Intl flights
Los Angeles to Castries flights
Las Vegas to Castries flights
Los Angeles to Oranjestad flights
Los Angeles to Saint Thomas Island flights
Ontario to Punta Cana flights
San Francisco to Nassau flights
Los Angeles to Bridgetown flights
Los Angeles to Simpson Bay flights
Santa Ana to Luis Munoz Marin Intl flights
Ontario to Montego Bay flights
Los Angeles to Providenciales flights
Las Vegas to Punta Cana flights
Burbank to Punta Cana flights
Los Angeles to Willemstad flights
Sacramento to Luis Munoz Marin Intl flights
Ontario to Nassau flights
Los Angeles to Kingston flights
Los Angeles to George Town flights
San Francisco to Providenciales flights
San Francisco to Bridgetown flights
Los Angeles to Port of Spain flights
San Francisco to Saint Thomas Island flights
San Francisco to Santo Domingo flights
San Diego to Nassau flights
San Francisco to Oranjestad flights
Santa Ana to Montego Bay flights
Ontario to Santo Domingo flights
Oakland to Luis Munoz Marin Intl flights
Los Angeles to Puerto Plata flights
San Francisco to Simpson Bay flights
San Diego to Punta Cana flights
Las Vegas to Montego Bay flights
San Jose to Luis Munoz Marin Intl flights
Las Vegas to Nassau flights
Santa Ana to Punta Cana flights
Burbank to Montego Bay flights
Los Angeles to Santiago de los Caballeros flights
Sacramento to Punta Cana 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$160Average$305FlexibilityNo cancel feeOn-time62%
DeltaCheapest$242Average$646FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$276Average$495FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$303Average$592FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$321Average$520FlexibilityNo cancel feeOn-time71%
Sun Country AirCheapest$334Average$904FlexibilityNo cancel feeOn-time83%
SouthwestCheapest$575Average$675FlexibilityNo 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.