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$171+ Cheap flights from Luis Munoz Marin Intl (SJU) to San Francisco (SFO)

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 3/29. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — SFO
Feb 24 — Mar 31
Tue 2/24
Tue 3/3
1 adult, Economy
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Cheap flight deals from Luis Munoz Marin Intl to San Francisco

Cheapest flights from Luis Munoz Marin Intl to San Francisco
Explore the most affordable flight options available from Luis Munoz Marin Intl to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 25, 2026.

This Expedia deal was found by Cheapflights users on 1/23. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/86:00 am
SJU
-
SFO
1 stop16h 14m
Frontier
Sun 4/1210:23 pm
SFO
-
SJU
1 stop9h 57m
Frontier
Deal found 1/23$237
This Travelocity deal was found by Cheapflights users on 1/24. 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.
Thu 4/96:00 am
SJU
-
SFO
1 stop16h 14m
Multiple Airlines
Tue 4/147:00 am
SFO
-
SJU
1 stop12h 12m
Multiple Airlines
Deal found 1/24$250
This Expedia deal was found by Cheapflights users on 1/23. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2211:59 pm
SJU
-
SFO
1 stop12h 24m
Multiple Airlines
Sun 4/2610:38 pm
SFO
-
SJU
1 stop12h 30m
Multiple Airlines
Deal found 1/23$285
This SmartFares deal was found by Cheapflights users on 1/23. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/21:45 pm
SJU
-
SFO
1 stop14h 09m
JetBlue
Mon 7/66:00 am
SFO
-
SJU
1 stop11h 03m
JetBlue
Deal found 1/23$303
This JetBlue deal was found by Cheapflights users on 1/23. 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.
Sun 7/59:25 pm
SJU
-
SFO
1 stop14h 29m
JetBlue
Mon 7/611:05 am
SFO
-
SJU
1 stop11h 14m
JetBlue
Deal found 1/23$313
This JetBlue deal was found by Cheapflights users on 1/23. 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 7/212:30 pm
SJU
-
SFO
1 stop12h 11m
JetBlue
Sat 7/1112:04 pm
SFO
-
SJU
1 stop10h 55m
JetBlue
Deal found 1/23$319
This Expedia deal was found by Cheapflights users on 1/24. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/2411:15 am
SJU
-
SFO
1 stop15h 41m
JetBlue
Mon 4/2711:05 pm
SFO
-
SJU
1 stop12h 25m
JetBlue
Deal found 1/24$343
This Kiwi.com deal was found by Cheapflights users on 1/23. 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 2/147:05 am
SJU
-
SFO
1 stop18h 50m
Frontier
Wed 2/186:55 am
SFO
-
SJU
2 stops36h 58m
Frontier
Deal found 1/23$357
This American Airlines deal was found by Cheapflights users on 1/23. 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.
Tue 9/154:10 pm
SJU
-
SFO
1 stop9h 48m
American Airlines
Tue 9/229:49 am
SFO
-
SJU
2 stops11h 10m
American Airlines
Deal found 1/23$360
This Kiwi.com deal was found by Cheapflights users on 1/23. 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.
Wed 2/114:06 pm
SJU
-
SFO
1 stop33h 33m
Frontier
Wed 3/47:35 am
SFO
-
SJU
2 stops39h 18m
Frontier
Deal found 1/23$378
This Expedia deal was found by Cheapflights users on 1/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/292:00 pm
SJU
-
SFO
1 stop12h 59m
Multiple Airlines
Tue 2/1710:55 pm
SFO
-
SJU
1 stop12h 07m
Multiple Airlines
Deal found 1/22$382
This Delta deal was found by Cheapflights users on 1/23. 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.
Tue 2/103:55 pm
SJU
-
SFO
1 stop11h 30m
Delta
Tue 2/178:00 am
SFO
-
SJU
1 stop11h 58m
Delta
Deal found 1/23$383

Find flight deals from Luis Munoz Marin Intl to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Luis Munoz Marin Intl (SJU) to San Francisco (SFO). 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 January 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$237
(Expedia)

One-way from

$171
(Kiwi.com)

Popular in

January

Cheapest in

December

Average price

$888
Provider with most accurate pricing for San Juan Luis Munoz Marin Intl-San Francisco flight deals.
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Provider most trusted by Cheapflights users for San Juan Luis Munoz Marin Intl-San Francisco flights.
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From San Juan Luis Munoz Marin Intl to San Francisco
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One-way flight from San Juan Luis Munoz Marin Intl to San Francisco
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($87 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($38 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Luis Munoz Marin Intl to San Francisco 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 January 25, 2026.
Use the filters below to find and compare flights from San Juan Luis Munoz Marin Intl Airport to San Francisco that are best for you.

Fly from

Luis Munoz Marin Intl

Fly to

San Francisco

Route

Depart

Return

Price

San JuanSan Francisco

SJU - SFO

SJUSFO

San Juan Luis Munoz Marin Intl

Sun 7/5

9:25 pm-8:54 am

1 stop14h 29m

San Francisco

Sat 7/11

12:04 pm-1:59 am

1 stop10h 55m

$319

San JuanSan Francisco

SJU - SFO

SJUSFO

San Juan Luis Munoz Marin Intl

Sun 7/5

9:25 pm-8:54 am

1 stop14h 29m

San Francisco

Thu 7/9

6:00 am-8:03 pm

1 stop11h 03m

$319

San JuanSan Francisco

SJU - SFO

SJUSFO

San Juan Luis Munoz Marin Intl

Thu 2/19

5:23 pm-11:59 pm

1 stop10h 36m

San Francisco

Mon 2/23

10:39 pm-2:34 pm

1 stop11h 55m

$319

San JuanSan Francisco

SJU - SFO

SJUSFO

San Juan Luis Munoz Marin Intl

Wed 4/1

11:00 am-9:10 pm

1 stop13h 10m

San Francisco

Sun 4/5

11:55 pm-4:55 pm

1 stop14h 00m

$319

San JuanSan Francisco

SJU - SFO

SJUSFO

San Juan Luis Munoz Marin Intl

Thu 7/2

12:30 pm-9:41 pm

1 stop12h 11m

San Francisco

Sat 7/11

12:04 pm-1:59 am

1 stop10h 55m

$319

San JuanSan Francisco

SJU - SFO

SJUSFO

San Juan Luis Munoz Marin Intl

Fri 7/3

9:25 pm-8:54 am

1 stop14h 29m

San Francisco

Thu 7/9

6:00 am-8:16 pm

1 stop11h 16m

$319

San JuanSan Francisco

SJU - SFO

SJUSFO

San Juan Luis Munoz Marin Intl

Sun 7/5

9:25 pm-8:54 am

1 stop14h 29m

San Francisco

Fri 7/10

6:00 am-8:03 pm

1 stop11h 03m

$319

San JuanSan Francisco

SJU - SFO

SJUSFO

San Juan Luis Munoz Marin Intl

Thu 7/2

12:30 pm-12:54 am

1 stop15h 24m

San Francisco

Fri 7/10

6:00 am-8:03 pm

1 stop11h 03m

$319

San JuanSan Francisco

SJU - SFO

SJUSFO

San Juan Luis Munoz Marin Intl

Fri 4/24

11:15 am-11:56 pm

1 stop15h 41m

San Francisco

Mon 4/27

11:05 pm-2:30 pm

1 stop12h 25m

$343

San JuanSan Francisco

SJU - SFO

SJUSFO

San Juan Luis Munoz Marin Intl

Thu 4/9

10:00 am-10:10 pm

2 stops15h 10m

San Francisco

Tue 4/14

9:15 pm-1:10 pm

1 stop12h 55m

$360

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/22

Showing 1-10 of 23 results
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Compare providers for flights from Luis Munoz Marin Intl to San Francisco

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 Luis Munoz Marin Intl to San Francisco in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 stars
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 Juan Luis Munoz Marin Intl Airport-San Francisco flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Juan Luis Munoz Marin Intl Airport-San Francisco flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Juan Luis Munoz Marin Intl Airport-San Francisco flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Juan Luis Munoz Marin Intl Airport-San Francisco 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 Juan Luis Munoz Marin Intl Airport-San Francisco 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 Luis Munoz Marin Intl to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Luis Munoz Marin Intl 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 Juan Luis Munoz Marin Intl Airport to San Francisco

How far ahead should I book a flight from San Juan Luis Munoz Marin Intl Airport to San Francisco?

Use this chart to determine the optimal time to book a round-trip flight from Luis Munoz Marin Intl to San Francisco. Price data was last updated on January 23, 2026.

The best time to book flights from San Juan Luis Munoz Marin Intl Airport to San Francisco is 87 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 Juan Luis Munoz Marin Intl Airport to San Francisco?

Currently, June is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to San Francisco (average of $119). Flying from San Juan Luis Munoz Marin Intl Airport to San Francisco in January is currently the most expensive (average of $325). 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 San Francisco

Get insights into the airlines that provide service to San Francisco. 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 San Francisco. Reviews last updated January 25, 2026.
See what other customers who have flown with Delta, United Airlines, and American Airlines from San Juan Luis Munoz Marin Intl Airport to San Francisco have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,112 reviews

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Food

7.2

Overall

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
7.9
Good
8,112 reviews
Delta
7.9
Good
8,112 reviews

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Food

7.2

Overall

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
9,200 reviews
Delta
7.9
Good
8,112 reviews

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Food

7.2

Overall

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
11,195 reviews
Delta
7.9
Good
8,112 reviews

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Food

7.2

Overall

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
JetBlue
7.2
Good
2,895 reviews
Delta
7.9
Good
8,112 reviews

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Food

7.2

Overall

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Frontier
5.7
Fair
3,059 reviews
Delta
7.9
Good
8,112 reviews

Comfort

7.9

Boarding

8.1

Entertainment

7.8

Food

7.2

Overall

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Luis Munoz Marin Intl to San Francisco. 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 into for flights to San Francisco from San Juan Luis Munoz Marin Intl?

    For a flight from San Juan Luis Munoz Marin Intl to San Francisco, you will be flying into San Francisco. San Francisco (SFO) is just 11.8 mi from the center of the city. San Francisco is the only San Francisco airport and it handles 0 inbound flights from San Juan Luis Munoz Marin Intl per day. 5 airlines have flights to San Francisco from San Juan Luis Munoz Marin Intl on a regular basis.

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

    JetBlue can get you from San Juan Luis Munoz Marin Intl Airport to San Francisco in just under 14h 29m. Your travel time can differ by up to . There are 3623 mi between San Juan Luis Munoz Marin Intl Airport and San Francisco.

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

    Cheapflights users have booked flights from San Juan Luis Munoz Marin Intl Airport to San Francisco round-trip from $154. Other airlines that can offer you cheap pricing are Delta, from $168, and JetBlue, from $332. Frontier is currently priced 68% below the average price you’ll pay for this route.

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

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $84. However, be on the lookout for offers from JetBlue and Southwest, as they are both options that can get you from San Juan Luis Munoz Marin Intl Airport to San Francisco for a low price.

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

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

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

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

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

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

    Currently, June is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to San Francisco (average of $119). Flying from San Juan Luis Munoz Marin Intl Airport to San Francisco in January is currently the most expensive (average of $325). 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
South San Francisco
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Roseville
Santa Clara
Livermore
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San Bruno
Daly City
Sunnyvale
Vacaville
Turlock
San Carlos
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Top 5 airlines flying from Luis Munoz Marin Intl to San Francisco

Discover the top 5 airlines that operate flights from Luis Munoz Marin Intl to San Francisco. 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 January 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$154Average$338FlexibilityNo cancel feeOn-time62%
DeltaCheapest$168Average$314FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$332Average$506FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$349Average$490FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$349Average$457FlexibilityNo cancel feeOn-time71%

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