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Luis Munoz Marin Intl

$133+ 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 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SJU
Aug 24 — Aug 311
Sun 8/24
Sun 8/31
1 adult, Economy
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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 January, booked 66 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 August 19, 2025.

Round-trip from

$306
(CheapOair)

One-way from

$133
(SmartFares)

Popular in

December

Cheapest in

May

Average price

$524
From San Francisco to San Juan Luis Munoz Marin Intl
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One-way flight from San Francisco to San Juan Luis Munoz Marin Intl
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Highest demand for flights based on searches. 9% potential increase in price ($49 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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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 August 19, 2025.

This CheapOair deal was found by Cheapflights users on 8/19. 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.
Fri 11/1410:23 pmSFO - SJU
1 stop12h 56mFrontier
Wed 11/1912:29 pmSJU - SFO
1 stop26h 46mFrontier
Deal found 8/19$303
This Delta deal was found by Cheapflights users on 8/17. 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 11/812:40 amSFO - SJU
2 stops12h 35mDelta
Fri 11/147:30 amSJU - SFO
1 stop11h 17mDelta
Deal found 8/17$319
This CheapOair deal was found by Cheapflights users on 8/18. 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.
Thu 11/1310:23 pmSFO - SJU
1 stop12h 56mFrontier
Thu 11/204:05 pmSJU - SFO
1 stop10h 59mFrontier
Deal found 8/18$326
This Delta deal was found by Cheapflights users on 8/19. 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 10/254:45 pmSFO - SJU
2 stops15h 51mDelta
Wed 10/292:31 pmSJU - SFO
1 stop12h 25mDelta
Deal found 8/19$342
This JetBlue deal was found by Cheapflights users on 8/18. 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 10/610:15 pmSFO - SJU
1 stop8h 53mJetBlue
Sat 10/1812:35 pmSJU - SFO
1 stop13h 37mJetBlue
Deal found 8/18$357
This JetBlue deal was found by Cheapflights users on 8/18. 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.
Fri 10/318:00 amSFO - SJU
1 stop10h 04mJetBlue
Wed 11/1212:30 pmSJU - SFO
1 stop11h 40mJetBlue
Deal found 8/18$358
This JetBlue deal was found by Cheapflights users on 8/18. 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 10/2010:15 pmSFO - SJU
1 stop8h 53mJetBlue
Wed 10/2912:51 pmSJU - SFO
1 stop14h 08mJetBlue
Deal found 8/18$360
This JetBlue deal was found by Cheapflights users on 8/18. 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.
Tue 10/1410:15 pmSFO - SJU
1 stop8h 53mJetBlue
Wed 10/1512:50 pmSJU - SFO
1 stop13h 53mJetBlue
Deal found 8/18$361
This Priceline deal was found by Cheapflights users on 8/18. 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.
Tue 10/1410:15 pmSFO - SJU
1 stop8h 53mJetBlue
Sat 10/1812:35 pmSJU - SFO
1 stop13h 37mJetBlue
Deal found 8/18$362
This CheapOair deal was found by Cheapflights users on 8/18. 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.
Sat 11/19:43 pmSFO - SJU
1 stop10h 15mJetBlue
Sun 11/97:00 amSJU - SFO
1 stop20h 31mJetBlue
Deal found 8/18$363
This American Airlines deal was found by Cheapflights users on 8/17. 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.
Mon 11/1011:59 pmSFO - SJU
1 stop16h 49mAmerican Airlines
Wed 11/126:25 amSJU - SFO
1 stop16h 59mAmerican Airlines
Deal found 8/17$364
This JetBlue deal was found by Cheapflights users on 8/18. 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.
Tue 10/1410:15 pmSFO - SJU
1 stop8h 53mJetBlue
Fri 10/172:05 pmSJU - SFO
1 stop12h 38mJetBlue
Deal found 8/18$365

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 August 19, 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

Fri 10/31

8:15 am-9:59 pm

1 stop10h 44m

San Juan Luis Munoz Marin Intl

Wed 11/12

7:30 am-2:47 pm

1 stop11h 17m

$319

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Tue 10/21

6:10 am-9:59 pm

1 stop12h 49m

San Juan Luis Munoz Marin Intl

Fri 10/31

7:15 am-5:22 pm

1 stop13h 07m

$319

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Sat 11/8

12:40 am-5:15 pm

2 stops12h 35m

San Juan Luis Munoz Marin Intl

Tue 11/18

1:50 pm-12:16 am

1 stop14h 26m

$319

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Sun 11/9

6:00 am-11:17 pm

1 stop13h 17m

San Juan Luis Munoz Marin Intl

Fri 11/14

7:30 am-2:47 pm

1 stop11h 17m

$319

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Tue 10/21

6:10 am-9:59 pm

1 stop12h 49m

San Juan Luis Munoz Marin Intl

Wed 11/5

7:15 am-8:40 pm

2 stops17h 25m

$319

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Sat 11/8

12:40 am-5:15 pm

2 stops12h 35m

San Juan Luis Munoz Marin Intl

Thu 11/13

7:30 am-7:25 pm

2 stops15h 55m

$319

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Tue 11/11

9:30 pm-12:40 pm

1 stop11h 10m

San Juan Luis Munoz Marin Intl

Tue 11/18

1:50 pm-10:52 pm

1 stop13h 02m

$319

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Sun 1/25

6:00 am-8:30 pm

1 stop10h 30m

San Juan Luis Munoz Marin Intl

Sat 1/31

7:30 am-1:57 pm

1 stop10h 27m

$319

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Tue 9/30

7:25 am-10:00 pm

1 stop11h 35m

San Juan Luis Munoz Marin Intl

Wed 10/8

7:15 am-5:52 pm

1 stop13h 37m

$319

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Sun 11/16

10:23 pm-3:19 pm

1 stop12h 56m

$133

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Showing 1-10 of 16 results
1
2

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 August 8, 2025.

The best time to book flights from San Francisco to San Juan Luis Munoz Marin Intl Airport is 66 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 August 19, 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.

What’s the top layover airport for flights from San Francisco to San Juan Luis Munoz Marin Intl Airport?

Share of 1-stop round-trip flights from San Francisco to San Juan Luis Munoz Marin Intl Airport chosen by Cheapflights users in the past 12 months, using the same layover each way.

Orlando (MCO) – chosen by Cheapflights users on 83% of 1-stop itineraries from San Francisco to San Juan Luis Munoz Marin Intl Airport on Cheapflights.

What’s the cheapest layover airport for flights from San Francisco to San Juan Luis Munoz Marin Intl Airport?

Average round-trip fare for 1-stop flights from San Francisco to San Juan Luis Munoz Marin Intl Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Orlando (MCO) is the most affordable 1-stop option, with an average round-trip price of $204.

What’s the fastest layover option from San Francisco to San Juan Luis Munoz Marin Intl Airport?

Shortest average travel time for 1-stop one-way flights from San Francisco to San Juan Luis Munoz Marin Intl Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Atlanta (ATL) have the shortest average one-way travel time for 1-stop routes: 11h 50m.

Which airport typically offers the quickest layover for flights from San Francisco to San Juan Luis Munoz Marin Intl Airport?

Average layover duration for 1-stop one-way flights from San Francisco to San Juan Luis Munoz Marin Intl Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Atlanta (ATL) offer the fastest connection on this route, with an average layover time of 4h 59m.

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 August 19, 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.
Delta
8.0
Very good
7,981 reviews

Food

7.3

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

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.
Delta
8.0
Very good
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Food

7.3

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

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.
United Airlines
7.4
Good
8,922 reviews
Delta
8.0
Very good
7,981 reviews

Food

7.3

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

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.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,981 reviews

Food

7.3

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

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.
JetBlue
7.2
Good
2,915 reviews
Delta
8.0
Very good
7,981 reviews

Food

7.3

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

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.
Frontier
5.8
Fair
3,211 reviews
Delta
8.0
Very good
7,981 reviews

Food

7.3

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

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 44m. The distance between San Francisco and San Juan Luis Munoz Marin Intl Airport is about 3623 mi.

  • 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 $160. Other airlines that can offer you cheap pricing are Delta, from $242, and JetBlue, from $294. Frontier is 68% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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 Fort Lauderdale. Charlotte 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 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, Mint Museum Uptown, and NASCAR Hall of Fame. Carowind, Mint Museum Uptown, and NASCAR Hall of Fame are located about 8.2 mi, 5.4 mi, and 5.7 mi, respectively from Charlotte Douglas. Travelers in need of a car in Charlotte can rent one for about $48 per day.

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

    Miami travelers tend to visit Wynwood Art District, Bayfront Park, and Kaseya Center more than any other attractions. Wynwood Art District, Bayfront Park and Kaseya Center are located about 5.5 mi, 6.4 mi, and 6.2 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 $29.

  • 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 Denver. Denver is followed by New York in terms of the least popular layover location on flights from San Francisco to San Juan Luis Munoz Marin Intl Airport. Dallas 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 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.

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
Luquillo
Humacao

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Alternative routes for San Francisco to Luis Munoz Marin Intl

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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 August 19, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$160Average$330FlexibilityNo cancel feeOn-time62%
DeltaCheapest$242Average$636FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$294Average$471FlexibilityNo cancel feeOn-time62%
Sun Country AirCheapest$337Average$904FlexibilityNo cancel feeOn-time83%
American AirlinesCheapest$344Average$525FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$346Average$549FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$486Average$675FlexibilityNo cancel feeOn-time63%

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