Luis Munoz Marin Intl

$175+ 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 3/24. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SJU
Mar 13 — Mar 201
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Find cheap flights from San Francisco to Luis Munoz Marin Intl with Cheapflights

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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 February 11, 2026.

This Kiwi.com deal was found by Cheapflights users on 2/8. 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 3/109:04 pm
SFO
-
SJU
2 stops25h 54m
Frontier
Tue 3/173:22 pm
SJU
-
SFO
1 stop30h 52m
Frontier
Deal found 2/8$351
This Kiwi.com deal was found by Cheapflights users on 2/8. 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.
Mon 3/1610:38 pm
SFO
-
SJU
1 stop12h 39m
Frontier
Thu 4/99:01 am
SJU
-
SFO
2 stops39h 07m
Frontier
Deal found 2/8$352
This Frontier deal was found by Cheapflights users on 2/8. 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.
Tue 3/1010:40 pm
SFO
-
SJU
1 stop12h 37m
Frontier
Mon 4/66:00 am
SJU
-
SFO
1 stop16h 14m
Frontier
Deal found 2/8$353
This Kiwi.com deal was found by Cheapflights users on 2/8. 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.
Sun 2/2210:46 pm
SFO
-
SJU
1 stop11h 36m
Multiple Airlines
Wed 3/1812:05 pm
SJU
-
SFO
1 stop34h 09m
Multiple Airlines
Deal found 2/8$354
This Kiwi.com deal was found by Cheapflights users on 2/8. 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.
Sat 2/218:58 am
SFO
-
SJU
2 stops26h 10m
Frontier
Tue 3/173:22 pm
SJU
-
SFO
1 stop30h 52m
Frontier
Deal found 2/8$355
This Kiwi.com deal was found by Cheapflights users on 2/8. 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.
Sun 5/310:38 pm
SFO
-
SJU
1 stop12h 30m
Frontier
Thu 5/143:19 pm
SJU
-
SFO
2 stops20h 49m
Frontier
Deal found 2/8$356
This JetBlue deal was found by Cheapflights users on 2/8. 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.
Thu 5/78:00 am
SFO
-
SJU
1 stop9h 50m
JetBlue
Tue 5/125:01 am
SJU
-
SFO
1 stop12h 29m
JetBlue
Deal found 2/8$357
This Kiwi.com deal was found by Cheapflights users on 2/9. 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 3/3110:38 pm
SFO
-
SJU
1 stop18h 12m
Multiple Airlines
Wed 4/86:30 am
SJU
-
SFO
2 stops41h 38m
Multiple Airlines
Deal found 2/9$358
This Kiwi.com deal was found by Cheapflights users on 2/8. 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 4/146:00 am
SFO
-
SJU
2 stops17h 01m
Multiple Airlines
Thu 4/236:49 pm
SJU
-
SFO
1 stop30h 42m
Multiple Airlines
Deal found 2/8$359
This Delta deal was found by Cheapflights users on 2/9. 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 9/169:30 pm
SFO
-
SJU
1 stop11h 18m
Delta
Fri 9/251:32 pm
SJU
-
SFO
1 stop14h 52m
Delta
Deal found 2/9$360
This Kiwi.com deal was found by Cheapflights users on 2/8. 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.
Fri 2/208:43 am
SFO
-
SJU
2 stops27h 38m
Frontier
Tue 2/244:11 pm
SJU
-
SFO
1 stop33h 28m
Frontier
Deal found 2/8$361
This Delta deal was found by Cheapflights users on 2/8. 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.
Sun 5/311:39 pm
SFO
-
SJU
1 stop13h 44m
Delta
Thu 5/142:20 pm
SJU
-
SFO
1 stop11h 27m
Delta
Deal found 2/8$362

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 February 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$351
(Kiwi.com)

One-way from

$175
(Kiwi.com)

Popular in

December

Cheapest in

May

Average price

$488
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. 7% potential increase in price ($37 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Average for round-trip flights in February 2026

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 February 11, 2026.
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 4/13

11:52 pm-2:44 pm

1 stop11h 52m

San Juan Luis Munoz Marin Intl

Tue 4/14

1:00 am-9:30 am

1 stop11h 30m

$365

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Mon 4/20

12:45 am-2:44 pm

1 stop10h 59m

San Juan Luis Munoz Marin Intl

Fri 4/24

1:00 am-9:30 am

1 stop11h 30m

$370

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Tue 4/14

6:40 am-9:24 pm

2 stops11h 44m

San Juan Luis Munoz Marin Intl

Fri 4/24

4:55 pm-1:17 am

1 stop11h 22m

$370

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Sat 5/2

6:30 am-8:34 pm

1 stop11h 04m

San Juan Luis Munoz Marin Intl

Fri 5/8

1:00 am-9:30 am

1 stop11h 30m

$370

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Mon 5/25

5:00 am-5:38 pm

1 stop9h 38m

San Juan Luis Munoz Marin Intl

Tue 6/2

3:56 pm-12:30 am

1 stop11h 34m

$373

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Mon 3/2

10:39 am-12:59 am

1 stop10h 20m

San Juan Luis Munoz Marin Intl

Wed 3/4

11:59 pm-11:30 am

1 stop15h 31m

$376

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Tue 5/5

9:15 pm-1:10 pm

1 stop12h 55m

San Juan Luis Munoz Marin Intl

Tue 5/12

5:05 am-7:55 pm

2 stops17h 50m

$381

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Wed 4/15

7:25 am-11:59 pm

1 stop13h 34m

San Juan Luis Munoz Marin Intl

Thu 4/23

7:15 am-6:59 pm

1 stop14h 44m

$383

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Sun 5/10

8:30 am-10:17 pm

1 stop10h 47m

San Juan Luis Munoz Marin Intl

Sat 5/16

7:00 am-6:49 pm

1 stop14h 49m

$383

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Tue 4/21

6:05 pm-10:35 am

2 stops13h 30m

San Juan Luis Munoz Marin Intl

Tue 4/28

5:05 am-7:55 pm

2 stops17h 50m

$406

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/8

Showing 1-10 of 22 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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy2 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
BudgetAirPrice 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 February 6, 2026.

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, January is the cheapest month in which you can book a flight from San Francisco to San Juan Luis Munoz Marin Intl Airport (average of $162). Flying from San Francisco to San Juan Luis Munoz Marin Intl Airport in February is currently the most expensive (average of $349). 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.

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 February 11, 2026.
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.

Food

7.2

Overall

7.9

Comfort

7.9

Crew

8.5

Boarding

8.1

Entertainment

7.8

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.

Food

7.2

Overall

7.9

Comfort

7.9

Crew

8.5

Boarding

8.1

Entertainment

7.8

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.

Food

7.2

Overall

7.9

Comfort

7.9

Crew

8.5

Boarding

8.1

Entertainment

7.8

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.

Food

7.2

Overall

7.9

Comfort

7.9

Crew

8.5

Boarding

8.1

Entertainment

7.8

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.

Food

7.2

Overall

7.9

Comfort

7.9

Crew

8.5

Boarding

8.1

Entertainment

7.8

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.

Food

7.2

Overall

7.9

Comfort

7.9

Crew

8.5

Boarding

8.1

Entertainment

7.8

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 8 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 11h 52m. 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 $158. Other airlines that can offer you cheap pricing are Delta, from $172, and Sun Country Air, from $222. Frontier is 67% 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 $174 and Delta 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 $24.

  • 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 North Carolina Blumenthal Performing Arts Center. Carowind, NASCAR Hall of Fame, and North Carolina Blumenthal Performing Arts Center are located about 8.2 mi, 5.7 mi, and 5.8 mi, respectively from Charlotte Douglas. Travelers in need of a car in Charlotte can rent one for about $43 per day.

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

    Dallas travelers tend to visit American Airlines Center, Dallas World Aquarium, and Reunion Tower more than any other attractions. American Airlines Center, Dallas World Aquarium and Reunion Tower are located about 15.0 mi, 15.5 mi, and 15.6 mi, respectively from Dallas/Fort Worth if you are interested in checking them out. Those on a layover in Dallas in need of a rental car can book one at Dallas/Fort Worth for about $51.

  • 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, January is the cheapest month in which you can book a flight from San Francisco to San Juan Luis Munoz Marin Intl Airport (average of $162). Flying from San Francisco to San Juan Luis Munoz Marin Intl Airport in February is currently the most expensive (average of $349). 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
Fajardo
Dorado
Luquillo
Rio Grande
Humacao
Bayamón

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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 February 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$158Average$346FlexibilityNo cancel feeOn-time62%
DeltaCheapest$172Average$460FlexibilityNo cancel feeOn-timeN/A
Sun Country AirCheapest$222Average$748FlexibilityNo cancel feeOn-time83%
JetBlueCheapest$273Average$465FlexibilityNo cancel feeOn-time62%
Alaska AirlinesCheapest$329Average$428FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$358Average$540FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$359Average$519FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$398Average$628FlexibilityNo cancel feeOn-time63%

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