$180+ Cheap flights from San Francisco (SFO) to Luis Munoz Marin Intl (SJU)
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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from San Francisco to Luis Munoz Marin Intl 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.Cheapflights Tip: The best prices from San Francisco to San Juan Luis Munoz Marin Intl are usually found in September or January, booked 76 days in advance, depart on a Tuesday or Sunday and return on a Saturday
Cheap flight deals from San Francisco to Luis Munoz Marin Intl
Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Luis Munoz Marin Intl (SJU). 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 junio 12, 2025.
Round-trip from | $325 (Frontier) |
|---|---|
One-way from | $180 (Delta) |
Popular in | December |
Cheapest in | September |
Average price | $578 |
Find flight deals from San Francisco to Luis Munoz Marin Intl
Cheapest flights from San Francisco to Luis Munoz Marin IntlExplore the most affordable flight options available from San Francisco to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.
Explore the most affordable flight options available from San Francisco to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.
This Frontier deal was found by Cheapflights users on 6/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This JetBlue deal was found by Cheapflights users on 6/10. 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.
This Delta deal was found by Cheapflights users on 6/11. 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 Delta 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 6/12. 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 United Airlines deal was found by Cheapflights users on 6/10. 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.
This Southwest deal was found by Cheapflights users on 6/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cheapflights Fare Finder
Customize your flight search to find flights from San Francisco to Luis Munoz Marin Intl 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 junio 12, 2025.
Use the filters below to find and compare flights from San Francisco to San Juan Luis Munoz Marin Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
San FranciscoSan Juan
SFO - SJU
SFOSJU
San Francisco
sáb. 8/30
10:29 pm-2:26 pm
1 stop12h 57m
San Juan Luis Munoz Marin Intl
jue. 9/11
3:40 am-9:22 pm
2 stops20h 42m
San FranciscoSan Juan
SFO - SJU
SFOSJU
San Francisco
mar. 10/21
10:30 pm-2:54 pm
1 stop13h 24m
San Juan Luis Munoz Marin Intl
mié. 11/5
2:30 pm-10:48 pm
1 stop12h 18m
San FranciscoSan Juan
SFO - SJU
SFOSJU
San Francisco
mar. 9/16
7:30 am-10:08 pm
1 stop11h 38m
San Juan Luis Munoz Marin Intl
vie. 9/26
12:55 pm-7:36 pm
1 stop9h 41m
San FranciscoSan Juan
SFO - SJU
SFOSJU
San Francisco
mar. 10/28
12:47 am-2:07 pm
1 stop10h 20m
San Juan Luis Munoz Marin Intl
sáb. 11/8
2:55 pm-11:02 pm
2 stops12h 07m
San FranciscoSan Juan
SFO - SJU
SFOSJU
San Francisco
lun. 9/22
11:10 pm-2:44 pm
1 stop12h 34m
San Juan Luis Munoz Marin Intl
dom. 9/28
4:55 pm-12:55 am
1 stop11h 00m
San FranciscoSan Juan
SFO - SJU
SFOSJU
San Francisco
mié. 10/8
5:30 am-8:45 pm
2 stops12h 15m
San Juan Luis Munoz Marin Intl
lun. 10/20
5:50 am-5:35 pm
2 stops14h 45m
San FranciscoSan Juan
SFO - SJU
SFOSJU
San Francisco
mar. 9/9
6:00 am-10:07 pm
2 stops13h 07m
San FranciscoSan Juan
SFO - SJU
SFOSJU
San Francisco
jue. 7/10
8:53 pm-2:39 am
1 stop26h 46m
San FranciscoSan Juan
SFO - SJU
SFOSJU
San Francisco
lun. 9/22
8:40 pm-12:40 pm
1 stop13h 00m
San FranciscoSan Juan
SFO - SJU
SFOSJU
San Francisco
sáb. 8/30
6:30 am-11:59 pm
2 stops14h 29m
Best time to book a flight from San Francisco to Luis Munoz Marin Intl
Have a flexible travel schedule? Discover the best time to fly to Luis Munoz Marin Intl from San Francisco with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from San Francisco to San Juan Luis Munoz Marin Intl Airport
How far ahead should I book a flight from San Francisco to San Juan Luis Munoz Marin Intl Airport?
Use this chart to determine the optimal time to book a round-trip flight from San Francisco to Luis Munoz Marin Intl. Price data was last updated on June 9, 2025.
The best time to book flights from San Francisco to San Juan Luis Munoz Marin Intl Airport is 76 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 Luis Munoz Marin Intl Airport?
Currently, September is the cheapest month in which you can book a flight from San Francisco to San Juan Luis Munoz Marin Intl Airport (average of $254). Flying from San Francisco to San Juan Luis Munoz Marin Intl Airport 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 SJU?
Find hourly flight availability from San Francisco to Luis Munoz Marin Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated junio 12, 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 Luis Munoz Marin Intl Airport by exploring options for tickets at noon.
What is the cheapest day to fly from San Francisco to San Juan Luis Munoz Marin Intl Airport?
Use this chart to determine the cheapest time to fly round-trip from San Francisco to Luis Munoz Marin Intl. Price data was last updated on December 16, 2024.
Travelers seeking maximum savings on their San Francisco to San Juan Luis Munoz Marin Intl Airport 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 Luis Munoz Marin Intl by month
Plan your trip to Luis Munoz Marin Intl by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in San Juan Luis Munoz Marin Intl Airport 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 Luis Munoz Marin Intl Airport when rainfall is around 2.2 in.
Temperature in Luis Munoz Marin Intl by month
Plan your trip to Luis Munoz Marin Intl by taking into account the average temperature totals by month.
If weather is an important factor for your trip to San Juan Luis Munoz Marin Intl Airport, 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 Luis Munoz Marin Intl
Get insights into the airlines that provide service to Luis Munoz Marin Intl. 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 Luis Munoz Marin Intl. Reviews last updated junio 12, 2025.
Read through reviews of airlines operating flights from San Francisco to San Juan, such as Alaska Airlines, Southwest and Delta. 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.
Boarding
Food
Crew
Comfort
Overall
Entertainment
Reviews
James,Apr 2025
LAX - SFO
Boarding
Food
Crew
Comfort
Overall
Entertainment
Reviews
James,Apr 2025
LAX - SFO
Boarding
Food
Crew
Comfort
Overall
Entertainment
Reviews
James,Apr 2025
LAX - SFO
Boarding
Food
Crew
Comfort
Overall
Entertainment
Reviews
James,Apr 2025
LAX - SFO
Boarding
Food
Crew
Comfort
Overall
Entertainment
Reviews
James,Apr 2025
LAX - SFO
Boarding
Food
Crew
Comfort
Overall
Entertainment
Reviews
James,Apr 2025
LAX - SFO
Related info for your journey
Find useful and relevant information for your journey from San Francisco to Luis Munoz Marin Intl. 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 Luis Munoz Marin Intl
See prices for flight routes from nearby airports that may be better suited for you.
Top 7 airlines flying from San Francisco to Luis Munoz Marin Intl
Discover the top 7 airlines that operate flights from San Francisco to Luis Munoz Marin Intl. 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 junio 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$160 | Average$310 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$242 | Average$643 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$277 | Average$458 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$325 | Average$534 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$326 | Average$521 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$334 | Average$904 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$486 | Average$692 | FlexibilityNo cancel fee | On-time63% |