Luis Munoz Marin Intl

$178+ 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 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SJU
Jan 11 — Jan 181
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Find cheap flights from San Francisco to Luis Munoz Marin Intl with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from San Francisco to San Juan Luis Munoz Marin Intl are usually found in May or October, booked 22 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

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 December 12, 2025.

This Delta deal was found by Cheapflights users on 12/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:00 amSFO - SJU
1 stop13h 20mDelta
Wed 1/147:00 amSJU - SFO
1 stop13h 03mDelta
Deal found 12/10$379
This JetBlue deal was found by Cheapflights users on 12/10. 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.
Mon 12/2911:25 pmSFO - SJU
1 stop11h 36mJetBlue
Mon 1/56:01 amSJU - SFO
1 stop10h 18mJetBlue
Deal found 12/10$395
This Delta deal was found by Cheapflights users on 12/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:00 amSFO - SJU
1 stop13h 20mDelta
Sat 1/176:15 amSJU - SFO
2 stops20h 00mDelta
Deal found 12/10$402
This Priceline deal was found by Cheapflights users on 12/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2111:32 amSFO - SJU
1 stop15h 02mMultiple Airlines
Wed 12/249:36 amSJU - SFO
1 stop17h 54mMultiple Airlines
Deal found 12/10$443
This Mytrip deal was found by Cheapflights users on 12/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1211:38 pmSFO - SJU
1 stop11h 20mMultiple Airlines
Fri 12/192:52 pmSJU - SFO
1 stop12h 02mMultiple Airlines
Deal found 12/11$447
This American Airlines deal was found by Cheapflights users on 12/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/145:00 pmSFO - SJU
1 stop17h 44mAmerican Airlines
Sun 12/216:00 amSJU - SFO
1 stop13h 01mAmerican Airlines
Deal found 12/11$452
This United Airlines deal was found by Cheapflights users on 12/10. 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.
Wed 12/315:00 amSFO - SJU
1 stop12h 00mUnited Airlines
Tue 1/133:46 pmSJU - SFO
1 stop12h 13mUnited Airlines
Deal found 12/10$459
This CheapOair deal was found by Cheapflights users on 12/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/179:44 pmSFO - SJU
1 stop9h 46mJetBlue
Tue 1/206:01 amSJU - SFO
1 stop32h 29mJetBlue
Deal found 12/10$460
This United Airlines deal was found by Cheapflights users on 12/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/168:35 amSFO - SJU
1 stop12h 01mUnited Airlines
Wed 12/245:50 pmSJU - SFO
1 stop11h 27mUnited Airlines
Deal found 12/11$462
This American Airlines deal was found by Cheapflights users on 12/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3111:35 pmSFO - SJU
1 stop20h 24mAmerican Airlines
Mon 1/126:30 amSJU - SFO
1 stop19h 43mAmerican Airlines
Deal found 12/10$465
This American Airlines deal was found by Cheapflights users on 12/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1011:28 pmSFO - SJU
1 stop12h 29mAmerican Airlines
Tue 1/131:24 pmSJU - SFO
1 stop14h 12mAmerican Airlines
Deal found 12/10$466
This Kiwi.com deal was found by Cheapflights users on 12/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/308:16 pmSFO - SJU
1 stop24h 17mMultiple Airlines
Sat 1/107:10 amSJU - SFO
2 stops28h 53mMultiple Airlines
Deal found 12/11$469

Find 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 December 12, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$325
(Trip.com)

One-way from

$178
(Kiwi.com)

Popular in

December

Cheapest in

May

Average price

$596
Provider with most accurate pricing for San Francisco-San Juan Luis Munoz Marin Intl flight deals.
Provider most trusted by Cheapflights users for San Francisco-San Juan Luis Munoz Marin Intl flights.
From San Francisco to San Juan Luis Munoz Marin Intl
One-way flight from San Francisco to San Juan Luis Munoz Marin Intl
Highest demand for flights based on searches. 4% potential increase in price ($24 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Average for round-trip flights in December 2025

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 December 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

San Francisco

Fly to

Luis Munoz Marin Intl

Route

Depart

Return

Price

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Mon 1/26

9:50 am-12:35 am

2 stops10h 45m

San Juan Luis Munoz Marin Intl

Sat 1/31

6:00 am-7:10 pm

1 stop17h 10m

$338

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Wed 2/25

10:39 am-12:59 am

1 stop10h 20m

San Juan Luis Munoz Marin Intl

Wed 3/4

1:53 pm-11:58 pm

1 stop14h 05m

$357

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Mon 2/23

7:00 am-11:59 pm

1 stop12h 59m

San Juan Luis Munoz Marin Intl

Fri 2/27

6:55 am-4:42 pm

1 stop13h 47m

$364

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Thu 1/1

6:00 am-11:20 pm

1 stop13h 20m

San Juan Luis Munoz Marin Intl

Fri 1/16

6:15 am-5:43 pm

1 stop15h 28m

$379

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Thu 1/1

8:00 am-11:20 pm

1 stop11h 20m

San Juan Luis Munoz Marin Intl

Sat 1/17

6:15 am-5:38 pm

1 stop15h 23m

$379

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Sat 1/24

6:00 am-11:57 pm

2 stops13h 57m

San Juan Luis Munoz Marin Intl

Thu 1/29

7:00 am-8:59 pm

2 stops17h 59m

$379

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Sat 1/17

11:59 pm-3:30 pm

1 stop11h 31m

San Juan Luis Munoz Marin Intl

Tue 1/20

11:06 am-9:20 pm

1 stop14h 14m

$395

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Sun 2/1

11:59 pm-3:30 pm

1 stop11h 31m

San Juan Luis Munoz Marin Intl

Mon 2/9

6:00 am-2:12 pm

1 stop12h 12m

$408

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Tue 1/13

6:05 am-8:55 pm

2 stops10h 50m

San Juan Luis Munoz Marin Intl

Fri 1/16

5:35 am-2:40 pm

2 stops13h 05m

$425

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Wed 2/4

8:00 am-8:58 pm

1 stop8h 58m

San Juan Luis Munoz Marin Intl

Wed 2/11

4:30 pm-11:47 pm

1 stop11h 17m

$445

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 21 results
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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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust 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 Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on San Francisco-San Juan Luis Munoz Marin Intl Airport flight deals on Cheapflights vs. Mytrip >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 Mytrip the most. Mytrip 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 December 5, 2025.

The best time to book flights from San Francisco to San Juan Luis Munoz Marin Intl Airport is 22 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, December is the cheapest month in which you can book a flight from San Francisco to San Juan Luis Munoz Marin Intl Airport (average of $169). Flying from San Francisco to San Juan Luis Munoz Marin Intl Airport in October is currently the most expensive (average of $315). 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 December 12, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 31% 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.

How much does it cost to fly round-trip from San Francisco to San Juan Luis Munoz Marin Intl Airport?

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 December 12, 2025.
Read through reviews of airlines operating flights from San Francisco to San Juan Luis Munoz Marin Intl Airport, such as Delta, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.1

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Boarding

8.1

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Boarding

8.1

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Boarding

8.1

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Boarding

8.1

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Boarding

8.1

Food

7.3

Entertainment

7.9

Crew

8.5

Comfort

7.9

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • How long is the flight from San Francisco to San Juan Luis Munoz Marin Intl Airport?

    Departing from San Francisco to San Juan Luis Munoz Marin Intl Airport will take you 10h 20m. The distance between San Francisco and San Juan Luis Munoz Marin Intl Airport is about 3623 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 $148. Other airlines that can offer you cheap pricing are Delta, from $172, and Sun Country Air, from $286. Frontier is 69% 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 $85 on Frontier. Other airlines that offer cheap prices include American Airlines from $164 and United Airlines from $174 one-way.

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

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

    The majority of Fort Lauderdale visitors spend their time at Las Olas Beach, Port Everglades, and Fort Lauderdale Beach Park. Las Olas Beach, Port Everglades, and Fort Lauderdale Beach Park can be accessed by traveling approximately 4.1 mi, 2.1 mi, and 4.2 mi, respectively from Fort Lauderdale. Those on a layover in Fort Lauderdale in need of a rental car can book one at Fort Lauderdale for about $26.

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

    Most Charlotte visitors opt to spend their time at Carowind, NASCAR Hall of Fame, and Mint Museum Uptown. Carowind, NASCAR Hall of Fame, and Mint Museum Uptown are located about 8.2 mi, 5.7 mi, and 5.4 mi, respectively from Charlotte Douglas. Travelers in need of a car in Charlotte can rent one for about $49 per day.

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

    Atlanta travelers tend to visit Georgia Aquarium, Fox Theatre, and Centennial Olympic Park more than any other attractions. Georgia Aquarium, Fox Theatre and Centennial Olympic Park are located about 8.6 mi, 9.3 mi, and 8.4 mi, respectively from Atlanta Hartsfield-Jackson if you are interested in checking them out. Those on a layover in Atlanta in need of a rental car can book one at Atlanta Hartsfield-Jackson for about $54.

  • Where are the least popular layover locations for 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, December is the cheapest month in which you can book a flight from San Francisco to San Juan Luis Munoz Marin Intl Airport (average of $169). Flying from San Francisco to San Juan Luis Munoz Marin Intl Airport in October is currently the most expensive (average of $315). 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 Juan Luis Munoz Marin Intl Airport?

Book flights to San Juan Luis Munoz Marin Intl Airport if you plan to visit one of these locations
Dorado
Fajardo
Rio Grande
Humacao
Luquillo
Bayamón

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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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$160Average$340FlexibilityNo cancel feeOn-time62%
DeltaCheapest$240Average$511FlexibilityNo cancel feeOn-timeN/A
Sun Country AirCheapest$286Average$934FlexibilityNo cancel feeOn-time83%
JetBlueCheapest$318Average$479FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$349Average$526FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$365Average$536FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$412Average$638FlexibilityNo cancel feeOn-time63%

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