$187+ Cheap flights from San Francisco (SFO) to San Juan
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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from San Francisco to San Juan 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.The best prices from San Francisco to San Juan are usually found in September or January, booked 71 days in advance, depart on a Tuesday or Sunday and return on a Saturday
Cheap flight deals from San Francisco to San Juan
Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to San Juan (PR1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 29, 2025.
Round-trip from | $334 (JetBlue) |
|---|---|
One-way from | $188 (American Airlines) |
Popular in | December |
Cheapest in | September |
Average price | $427 |
Find flight deals from San Francisco to San Juan
Cheapest flights from San Francisco to San JuanExplore the most affordable flight options available from San Francisco to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2025.
Explore the most affordable flight options available from San Francisco to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2025.
This JetBlue deal was found by Cheapflights users on 1/29. 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.
This American Airlines deal was found by Cheapflights users on 1/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This FlightHub deal was found by Cheapflights users on 1/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 1/29. 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.
This Travelocity deal was found by Cheapflights users on 1/27. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 1/28. 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.
This Southwest deal was found by Cheapflights users on 1/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Alaska Airlines deal was found by Cheapflights users on 1/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Find flights from San Francisco to San Juan within your budget
Customize your flight search to find flights from San Francisco to San Juan 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 January 29, 2025.
Fly from
Fly to
Route
Depart
Return
Price
San FranciscoSan Juan
SFO - SJU
SFOSJU
San Francisco
Wed 3/12
8:00 am-11:33 pm
1 stop12h 33m
San Juan Luis Munoz Marin Intl
Thu 3/13
4:00 am-12:33 pm
1 stop11h 33m
San FranciscoSan Juan
SFO - SJU
SFOSJU
San Francisco
Wed 2/19
7:30 am-11:54 pm
1 stop12h 24m
San Juan Luis Munoz Marin Intl
Wed 2/26
7:45 am-8:30 pm
1 stop16h 45m
San FranciscoSan Juan
SFO - SJU
SFOSJU
San Francisco
Tue 4/8
10:30 pm-9:38 pm
1 stop20h 08m
San Juan Luis Munoz Marin Intl
Mon 4/14
2:45 am-9:30 pm
1 stop21h 45m
San FranciscoSan Juan
SFO - SJU
SFOSJU
San Francisco
Tue 2/25
6:15 am-10:22 pm
2 stops12h 07m
San Juan Luis Munoz Marin Intl
Wed 3/5
5:50 pm-1:34 am
1 stop11h 44m
San FranciscoSan Juan
SFO - SJU
SFOSJU
San Francisco
Mon 3/3
1:42 pm-5:04 am
2 stops11h 22m
San Juan Luis Munoz Marin Intl
Mon 3/10
1:54 pm-10:52 pm
1 stop11h 58m
San FranciscoSan Juan
SFO - SJU
SFOSJU
San Francisco
Wed 2/12
6:00 am-11:46 pm
1 stop13h 46m
San Juan Luis Munoz Marin Intl
Thu 2/27
7:30 am-1:47 pm
1 stop10h 17m
San FranciscoSan Juan
SFO - SJU
SFOSJU
San Francisco
Mon 3/10
7:25 pm-9:45 am
2 stops11h 20m
San Juan Luis Munoz Marin Intl
Wed 3/26
7:40 am-7:30 pm
2 stops14h 50m
San FranciscoSan Juan
SFO - SJU
SFOSJU
San Francisco
Wed 3/5
1:42 pm-5:09 am
2 stops11h 27m
San Juan Luis Munoz Marin Intl
Tue 3/11
6:05 am-7:09 pm
2 stops16h 04m
San FranciscoSan Juan
SFO - SJU
SFOSJU
San Francisco
Sun 2/9
12:27 am-3:45 pm
2 stops11h 18m
San FranciscoSan Juan
SFO - SJU
SFOSJU
San Francisco
Mon 4/28
7:05 pm-11:57 am
2 stops13h 52m
Best time to book a flight from San Francisco to San Juan
Have a flexible travel schedule? Discover the best time to fly to San Juan from San Francisco with our price prediction graph.
Travel insights for flights from San Francisco to San Juan
Get recent, data-driven insights about flights from San Francisco to San Juan including ideal travel times, pricing trends, and more.
How far ahead should I book a flight from San Francisco to San Juan?
Use this chart to determine the optimal time to book a round-trip flight from San Francisco to San Juan. Price data was last updated on January 24, 2025.
The best time to book flights from San Francisco to San Juan is 71 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from San Francisco to San Juan?
Currently, September is the cheapest month in which you can book a flight from San Francisco to San Juan (average of $254). Flying from San Francisco to San Juan in March is currently the most expensive (average of $372). 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 SJU?
Find hourly flight availability from San Francisco to San Juan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 29, 2025.
Unlike in the morning, when flights are generally more expensive, you can save up to 32% on flights from San Francisco to San Juan by exploring options for tickets at noon.
What is the cheapest day to fly from San Francisco to San Juan?
Use this chart to determine the cheapest time to fly round-trip from San Francisco to San Juan. Price data was last updated on December 16, 2024.
Travelers seeking maximum savings on their San Francisco to San Juan flight should consider departing on Thursday at noon when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Rainfall in San Juan by month
Plan your trip to San Juan by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in San Juan 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 San Juan when rainfall is around 2.2 in.
Temperature in San Juan by month
Plan your trip to San Juan by taking into account the average temperature totals by month.
If weather is an important factor for your trip to San Juan, 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 San Juan
Get insights into the airlines that provide service to San Juan. 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 San Juan. Reviews last updated January 29, 2025.
See what other customers who have flown with Southwest, Alaska Airlines and Delta from San Francisco to San Juan have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
Crew
Boarding
Food
Overall
Entertainment
Reviews
Arlene,May 2024
SAN - OAK
Comfort
Crew
Boarding
Food
Overall
Entertainment
Reviews
Arlene,May 2024
SAN - OAK
Comfort
Crew
Boarding
Food
Overall
Entertainment
Reviews
Arlene,May 2024
SAN - OAK
Comfort
Crew
Boarding
Food
Overall
Entertainment
Reviews
Arlene,May 2024
SAN - OAK
Comfort
Crew
Boarding
Food
Overall
Entertainment
Reviews
Arlene,May 2024
SAN - OAK
Comfort
Crew
Boarding
Food
Overall
Entertainment
Reviews
Arlene,May 2024
SAN - OAK
Related info for your journey
Find useful and relevant information for your journey from San Francisco to San Juan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for San Francisco to San Juan
See prices for flight routes from nearby airports that may be better suited for you.
Top 9 airlines flying from San Francisco to San Juan
Discover the top 9 airlines that operate flights from San Francisco to San Juan. 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 January 29, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$159 | Average$596 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$169 | Average$303 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$282 | Average$570 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$309 | Average$515 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$313 | Average$553 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$332 | Average$662 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$334 | Average$886 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$575 | Average$817 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$612 | Average$719 | FlexibilityNo cancel fee | On-time75% |