$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 2/20. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SJU
Nov 27 — Dec 41
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.Find flight deals from San Francisco to Puerto Rico
Cheapest flights from San Francisco to Puerto RicoExplore 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 October 28, 2025.
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 October 28, 2025.
This Frontier deal was found by Cheapflights users on 10/28. 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.
Wed 12/3111:20 pmSFO - SJU
1 stop11h 41mFrontier
Sat 1/107:01 pmSJU - SFO
1 stop16h 48mFrontier
Deal found 10/28![Frontier logo]()
$361
This Frontier deal was found by Cheapflights users on 10/28. 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 11/1510:23 pmSFO - SJU
1 stop12h 56mFrontier
Sat 11/227:11 amSJU - SFO
2 stops21h 13mFrontier
Deal found 10/28![Frontier logo]()
$364
This Frontier deal was found by Cheapflights users on 10/27. 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.
Sat 11/1510:23 pmSFO - SJU
1 stop12h 56mFrontier
Sun 11/233:59 amSJU - SFO
2 stops14h 02mFrontier
Deal found 10/27![Frontier logo]()
$365
This Frontier deal was found by Cheapflights users on 10/28. 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.
Thu 11/1310:23 pmSFO - SJU
1 stop12h 56mFrontier
Wed 11/199:00 amSJU - SFO
2 stops17h 27mFrontier
Deal found 10/28![Frontier logo]()
$366
This Southwest deal was found by Cheapflights users on 10/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/106:10 amSFO - SJU
2 stops14h 25mSouthwest
Tue 1/135:40 amSJU - SFO
2 stops12h 05mSouthwest
Deal found 10/27![Southwest logo]()
$367
This American Airlines deal was found by Cheapflights users on 10/26. 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 12/106:30 amSFO - SJU
1 stop13h 22mAmerican Airlines
Tue 1/137:07 amSJU - SFO
1 stop18h 30mAmerican Airlines
Deal found 10/26![American Airlines logo]()
$369
This American Airlines deal was found by Cheapflights users on 10/25. 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 12/107:15 amSFO - SJU
1 stop10h 54mAmerican Airlines
Wed 12/177:00 amSJU - SFO
1 stop10h 34mAmerican Airlines
Deal found 10/25![American Airlines logo]()
$371
This Frontier deal was found by Cheapflights users on 10/26. 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 11/86:39 pmSFO - SJU
2 stops19h 15mFrontier
Fri 11/143:59 amSJU - SFO
2 stops17h 50mFrontier
Deal found 10/26![Frontier logo]()
$372
This JetBlue deal was found by Cheapflights users on 10/27. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/109:44 pmSFO - SJU
1 stop9h 51mJetBlue
Thu 11/134:00 pmSJU - SFO
1 stop11h 31mJetBlue
Deal found 10/27![JetBlue logo]()
$374
This Mytrip deal was found by Cheapflights users on 10/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/810:23 pmSFO - BQN
2 stops24h 41mFrontier
Thu 11/133:59 amBQN - SFO
2 stops13h 26mFrontier
Deal found 10/28![Frontier logo]()
$463
This Priceline deal was found by Cheapflights users on 10/28. 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 11/89:44 pmSFO - BQN
1 stop30h 41mJetBlue
Fri 11/146:01 amBQN - SFO
1 stop21h 58mJetBlue
Deal found 10/28![JetBlue logo]()
$467
This Frontier deal was found by Cheapflights users on 10/28. 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.
Fri 11/710:23 pmSFO - BQN
2 stops13h 07mFrontier
Wed 11/123:59 amBQN - SFO
2 stops21h 12mFrontier
Deal found 10/28![Frontier logo]()
$514
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 October 28, 2025.
Round-trip from | $350 (JetBlue) |
|---|---|
One-way from | $178 (Southwest) |
Popular in | December |
Cheapest in | May |
Average price | $443 |
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 October 28, 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
Tue 3/3
7:00 am-9:04 pm
1 stop10h 04m
Aguadilla Borinquen
Thu 3/5
6:05 am-1:39 pm
1 stop11h 34m
$350
San FranciscoSan Juan
SFO - SJU
SFOSJU
San Francisco
Tue 12/2
6:10 am-12:35 am
2 stops14h 25m
San Juan Luis Munoz Marin Intl
Wed 12/10
8:55 am-6:15 pm
2 stops13h 20m
$367
San FranciscoSan Juan
SFO - SJU
SFOSJU
San Francisco
Wed 3/18
7:00 am-8:35 pm
1 stop10h 35m
San Juan Luis Munoz Marin Intl
Sat 3/21
5:00 am-1:39 pm
1 stop11h 39m
$428
San FranciscoAguadilla
SFO - BQN
SFOBQN
San Francisco
Sun 3/8
8:15 am-9:42 pm
1 stop10h 27m
Aguadilla Borinquen
Sun 3/15
10:40 pm-9:50 am
1 stop14h 10m
$445
San FranciscoSan Juan
SFO - SJU
SFOSJU
San Francisco
Fri 3/13
12:05 pm-2:55 am
1 stop11h 50m
San Juan Luis Munoz Marin Intl
Tue 3/24
12:30 pm-11:33 pm
1 stop14h 03m
$452
San FranciscoAguadilla
SFO - BQN
SFOBQN
San Francisco
Sat 3/21
8:15 am-9:42 pm
1 stop10h 27m
Aguadilla Borinquen
Sat 3/28
10:40 pm-9:35 am
1 stop13h 55m
$468
San FranciscoSan Juan
SFO - SJU
SFOSJU
San Francisco
Tue 2/24
7:06 pm-12:49 pm
2 stops13h 43m
San Juan Luis Munoz Marin Intl
Mon 3/2
2:05 am-10:55 am
1 stop12h 50m
$469
San FranciscoSan Juan
SFO - SJU
SFOSJU
San Francisco
Sat 1/17
12:43 am-4:36 pm
1 stop11h 53m
San Juan Luis Munoz Marin Intl
Thu 1/22
2:05 am-10:23 am
1 stop12h 18m
$469
San FranciscoSan Juan
SFO - SJU
SFOSJU
San Francisco
Mon 1/12
8:25 am-10:22 pm
1 stop9h 57m
San Juan Luis Munoz Marin Intl
Fri 1/16
2:05 am-12:15 pm
1 stop14h 10m
$469
San FranciscoSan Juan
SFO - SJU
SFOSJU
San Francisco
Fri 11/21
6:45 am-10:22 pm
1 stop11h 37m
San Juan Luis Munoz Marin Intl
Fri 11/21
2:05 am-1:37 pm
2 stops15h 32m
$469
Showing 1-10 of 57 results
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 $329). 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 October 28, 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 October 28, 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.
Overall
7.9
Comfort
7.9
Entertainment
7.9
Food
7.3
Boarding
8.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Overall
7.9
Comfort
7.9
Entertainment
7.9
Food
7.3
Boarding
8.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Overall
7.9
Comfort
7.9
Entertainment
7.9
Food
7.3
Boarding
8.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Overall
7.9
Comfort
7.9
Entertainment
7.9
Food
7.3
Boarding
8.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Overall
7.9
Comfort
7.9
Entertainment
7.9
Food
7.3
Boarding
8.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
Overall
7.9
Comfort
7.9
Entertainment
7.9
Food
7.3
Boarding
8.2
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAaron,Oct 2024
LAX - LHR
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.
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.
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 October 28, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$160 | Average$330 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$240 | Average$559 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$286 | Average$934 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$315 | Average$565 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$349 | Average$533 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$363 | Average$616 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$412 | Average$658 | FlexibilityNo cancel fee | On-time63% |