HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Luis Munoz Marin Intl

$148+ 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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SJU
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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 March 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$296
(Frontier)

One-way from

$148
(Frontier)

Popular in

December

Cheapest in

September

Average price

$530
Provider with most accurate pricing for San Francisco-San Juan Luis Munoz Marin Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-San Juan Luis Munoz Marin Intl flights.
Search Deals
From San Francisco to San Juan Luis Munoz Marin Intl
Search Deals
One-way flight from San Francisco to San Juan Luis Munoz Marin Intl
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($41 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
Search Deals

Find flight deals from San Francisco to Luis Munoz Marin Intl

Cheapest flights from San Francisco to Luis Munoz Marin Intl
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 March 31, 2025.

This Frontier deal was found by Cheapflights users on 3/31. 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 4/1611:58 pmSFO - SJU
1 stop11h 55mFrontier
Mon 4/213:56 amSJU - SFO
1 stop12h 23mFrontier
Deal found 3/31$296
This JetBlue deal was found by Cheapflights users on 3/31. 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.
Sat 4/268:00 amSFO - SJU
1 stop9h 11mJetBlue
Thu 5/13:29 amSJU - SFO
1 stop11h 35mJetBlue
Deal found 3/31$333
This Delta deal was found by Cheapflights users on 3/31. 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.
Sat 4/266:30 amSFO - SJU
2 stops13h 45mDelta
Fri 5/27:15 amSJU - SFO
1 stop13h 52mDelta
Deal found 3/31$349
This United Airlines deal was found by Cheapflights users on 3/31. 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.
Sun 10/1210:40 pmSFO - SJU
1 stop12h 05mUnited Airlines
Sat 10/182:55 pmSJU - SFO
1 stop12h 00mUnited Airlines
Deal found 3/31$362
This Travelocity deal was found by Cheapflights users on 3/30. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/266:40 amSFO - SJU
2 stops19h 20mMultiple Airlines
Fri 5/210:46 amSJU - SFO
1 stop14h 36mMultiple Airlines
Deal found 3/30$412
This American Airlines deal was found by Cheapflights users on 3/30. 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 9/35:59 amSFO - SJU
2 stops11h 11mAmerican Airlines
Wed 9/1011:55 amSJU - SFO
2 stops13h 02mAmerican Airlines
Deal found 3/30$417

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 March 31, 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

San Francisco

Fly to

Luis Munoz Marin Intl

Route

Depart

Return

Price

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Wed 4/16

11:58 pm-2:53 pm

1 stop11h 55m

San Juan Luis Munoz Marin Intl

Mon 4/21

3:56 am-1:19 pm

1 stop12h 23m

$296

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Sat 4/26

8:00 am-8:11 pm

1 stop9h 11m

San Juan Luis Munoz Marin Intl

Thu 5/1

3:29 am-12:04 pm

1 stop11h 35m

$333

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Sat 4/26

6:30 am-11:15 pm

2 stops13h 45m

San Juan Luis Munoz Marin Intl

Fri 5/2

7:15 am-6:07 pm

1 stop13h 52m

$349

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Sun 6/1

11:15 pm-2:44 pm

1 stop12h 29m

San Juan Luis Munoz Marin Intl

Wed 6/4

4:55 pm-12:58 am

1 stop11h 03m

$364

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Sat 4/26

6:40 am-5:00 am

2 stops19h 20m

San Juan Luis Munoz Marin Intl

Fri 5/2

10:46 am-10:22 pm

1 stop14h 36m

$412

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Tue 4/22

2:27 pm-5:00 am

1 stop11h 33m

San Juan Luis Munoz Marin Intl

Thu 5/1

5:30 am-8:26 pm

1 stop17h 56m

$417

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Tue 4/22

6:40 am-5:00 am

2 stops19h 20m

San Juan Luis Munoz Marin Intl

Sat 4/26

6:05 am-6:01 pm

2 stops14h 56m

$543

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Mon 4/7

10:28 pm-4:46 pm

1 stop15h 18m

$148

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Fri 4/25

12:43 am-3:40 pm

1 stop11h 57m

$175

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Fri 5/9

12:21 am-8:33 pm

1 stop17h 12m

$179

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Showing 1-10 of 17 results
1
2

Compare providers for flights from San Francisco to Luis Munoz Marin Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Francisco to Luis Munoz Marin Intl in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Francisco-San Juan Luis Munoz Marin Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Francisco-San Juan Luis Munoz Marin Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Francisco-San Juan Luis Munoz Marin Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Francisco-San Juan Luis Munoz Marin Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Francisco-San Juan Luis Munoz Marin Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.
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 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 March 28, 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 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 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 March 31, 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 March 31, 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.
Alaska Airlines
8.0
Very good
9,818 reviews

Boarding

8.2

Comfort

7.9

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,818 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Boarding

8.2

Comfort

7.9

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,275 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Boarding

8.2

Comfort

7.9

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,899 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Boarding

8.2

Comfort

7.9

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,614 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Boarding

8.2

Comfort

7.9

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
JetBlue
7.3
Good
2,924 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Boarding

8.2

Comfort

7.9

Food

7.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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.

  • What airport do you fly from for flights from San Francisco to San Juan Luis Munoz Marin Intl?

    Most people fly from San Francisco (SFO) if they book a flight from San Francisco to San Juan Luis Munoz Marin Intl. On average, San Francisco has 0 outbound flights to San Juan Luis Munoz Marin Intl per day from 7 airlines. San Francisco is conveniently located just 11.8 mi from San Francisco’s city center.

  • What are the cheapest airlines flying from San Francisco to San Juan Luis Munoz Marin Intl Airport round-trip?

    Cheapflights users have booked flights from San Francisco to San Juan Luis Munoz Marin Intl Airport round-trip from $296. Other airlines that can offer you cheap pricing are JetBlue, from $333, and Delta, from $349. Frontier is 43% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from San Francisco to San Juan Luis Munoz Marin Intl Airport one-way?

    One-way options have recently been found by users for as low as $148 on Frontier. Other airlines that offer cheap prices include United Airlines from $175 and American Airlines from $179 one-way.

  • Where are the most common layover locations when flying from San Francisco to San Juan Luis Munoz Marin Intl Airport?

    The most popular layover on flights from San Francisco to San Juan Luis Munoz Marin Intl Airport is Charlotte. Fort Lauderdale sees the second most layovers for non-direct flights flying from San Francisco to San Juan Luis Munoz Marin Intl Airport. Miami comes next as the third most popular layover location for San Francisco to San Juan Luis Munoz Marin Intl Airport flights.

  • What are some popular things to do or see while on a layover in Charlotte?

    The majority of Charlotte visitors spend their time at Carowind, Mint Museum Uptown, and North Carolina Blumenthal Performing Arts Center. Carowind, Mint Museum Uptown, and North Carolina Blumenthal Performing Arts Center can be accessed by traveling approximately 8.2 mi, 5.4 mi, and 5.8 mi, respectively from Charlotte Douglas. Those on a layover in Charlotte in need of a rental car can book one at Charlotte Douglas for about $49.

  • What are some popular points of interest to see during a layover in Fort Lauderdale?

    Most Fort Lauderdale visitors opt to spend their time at Las Olas Beach, Port Everglades, and Fort Lauderdale Beach Park. Las Olas Beach, Port Everglades, and Fort Lauderdale Beach Park are located about 4.1 mi, 2.1 mi, and 4.2 mi, respectively from Fort Lauderdale. Travelers in need of a car in Fort Lauderdale can rent one for about $27 per day.

  • What are points of interest worth seeing during a layover in Miami?

    Miami travelers tend to visit Wynwood Art District, Bayside Marketplace, and Bayfront Park more than any other attractions. Wynwood Art District, Bayside Marketplace and Bayfront Park are located about 5.5 mi, 6.4 mi, and 6.4 mi, respectively from Miami if you are interested in checking them out. Those on a layover in Miami in need of a rental car can book one at Miami for about $24.

  • Where are the least popular layover locations for San Francisco to San Juan Luis Munoz Marin Intl Airport flights?

    The least popular layover on flights from San Francisco to San Juan Luis Munoz Marin Intl Airport is New York. New York is followed by Denver in terms of the least popular layover location on flights from San Francisco to San Juan Luis Munoz Marin Intl Airport. Atlanta ranks third to last in terms of the least popular layover locations on San Francisco to San Juan Luis Munoz Marin Intl Airport flights.

  • Can I find deals for flights from San Francisco to Luis Munoz Marin Intl that include hotel bookings?

    Yes. In addition to deals on San Francisco to Luis Munoz Marin Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Francisco to Luis Munoz Marin Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Luis Munoz Marin Intl.

  • Can I find deals for business class flights from San Francisco to Luis Munoz Marin Intl?

    Yes. Cheapflights offers flight deals from San Francisco to Luis Munoz Marin Intl 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 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 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

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Dorado
Fajardo
Luquillo
Humacao
Rio Grande
Bayamón

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 Luis Munoz Marin Intl

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Luis Munoz Marin Intl flights
San Diego to Luis Munoz Marin Intl flights
Ontario to Luis Munoz Marin Intl flights
Burbank to Luis Munoz Marin Intl flights
Las Vegas to Luis Munoz Marin Intl flights
Sacramento to Luis Munoz Marin Intl flights
Santa Ana to Luis Munoz Marin Intl flights
San Jose to Luis Munoz Marin Intl flights
Oakland to Luis Munoz Marin Intl flights
Fresno to Luis Munoz Marin Intl flights
Reno to Luis Munoz Marin Intl flights
Santa Rosa to Luis Munoz Marin Intl flights
Palm Springs to Luis Munoz Marin Intl flights
Long Beach to Luis Munoz Marin Intl flights
Medford to Luis Munoz Marin Intl flights
San Luis Obispo to Luis Munoz Marin Intl flights
Merced to Luis Munoz Marin Intl flights

Top 8 airlines flying from San Francisco to Luis Munoz Marin Intl

Discover the top 8 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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$160Average$296FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$277Average$480FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$283Average$553FlexibilityNo cancel feeOn-time69%
Sun Country AirCheapest$292Average$886FlexibilityNo cancel feeOn-time83%
DeltaCheapest$299Average$685FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$320Average$536FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$575Average$675FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$642Average$794FlexibilityNo cancel feeOn-time75%
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.