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$183+ 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 8/21. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — SFO
ago. 19 — ago. 261
mar. 8/19
mar. 8/26
1 adult, Economy
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Cheapflights Tip: The best prices from San Juan Luis Munoz Marin Intl to San Francisco are usually found in November or September, booked 41 days in advance, depart on a Saturday or Thursday and return on a Tuesday

Cheap 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 agosto 14, 2025.

Round-trip from

$268
(Mytrip)

One-way from

$183
(Delta)

Popular in

December

Cheapest in

November

Average price

$452
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
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Highest demand for flights based on searches. 10% potential increase in price ($54 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($15 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 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 agosto 14, 2025.

This Mytrip deal was found by Cheapflights users on 8/13. 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.
vie. 9/127:15 amSJU - SFO
1 stop17h 06mFrontier
vie. 9/1911:00 pmSFO - SJU
1 stop12h 11mFrontier
Deal found 8/13$268
This Frontier deal was found by Cheapflights users on 8/13. 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.
vie. 9/127:15 amSJU - SFO
1 stop17h 06mFrontier
sáb. 9/2011:00 pmSFO - SJU
1 stop12h 11mFrontier
Deal found 8/13$278
This Delta deal was found by Cheapflights users on 8/13. 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.
jue. 9/112:26 pmSJU - SFO
1 stop11h 15mDelta
sáb. 9/206:15 amSFO - SJU
1 stop12h 45mDelta
Deal found 8/13$319
This Priceline deal was found by Cheapflights users on 8/13. 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.
vie. 8/155:00 pmSJU - SFO
1 stop20h 25mFrontier
lun. 8/188:53 pmSFO - SJU
1 stop19h 15mFrontier
Deal found 8/13$339
This Delta deal was found by Cheapflights users on 8/14. 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.
mar. 12/93:30 pmSJU - SFO
2 stops12h 23mDelta
mar. 1/66:00 amSFO - SJU
1 stop13h 49mDelta
Deal found 8/14$342
This American Airlines deal was found by Cheapflights users on 8/12. 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.
mié. 10/227:45 amSJU - SFO
2 stops13h 06mAmerican Airlines
lun. 10/2711:58 pmSFO - SJU
2 stops10h 47mAmerican Airlines
Deal found 8/12$369
This Expedia deal was found by Cheapflights users on 8/13. 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.
vie. 9/122:25 pmSJU - SFO
1 stop12h 17mJetBlue
lun. 9/1510:00 pmSFO - SJU
1 stop11h 17mJetBlue
Deal found 8/13$370
This Frontier deal was found by Cheapflights users on 8/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/133:29 amSJU - SFO
1 stop9h 56mFrontier
dom. 8/2410:29 pmSFO - SJU
1 stop12h 57mFrontier
Deal found 8/11$372
This American Airlines deal was found by Cheapflights users on 8/12. 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.
lun. 10/277:00 pmSJU - SFO
1 stop19h 27mAmerican Airlines
sáb. 11/86:30 amSFO - SJU
1 stop13h 17mAmerican Airlines
Deal found 8/12$377
This Frontier deal was found by Cheapflights users on 8/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/153:34 amSJU - SFO
1 stop9h 51mFrontier
dom. 8/2410:29 pmSFO - SJU
1 stop12h 57mFrontier
Deal found 8/11$379

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 agosto 14, 2025.
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

vie. 9/12

7:15 am-9:21 pm

1 stop17h 06m

San Francisco

vie. 9/19

11:00 pm-2:11 pm

1 stop12h 11m

$268

San JuanSan Francisco

SJU - SFO

SJUSFO

San Juan Luis Munoz Marin Intl

vie. 9/26

7:15 am-9:21 pm

1 stop17h 06m

San Francisco

vie. 10/3

11:00 pm-2:11 pm

1 stop12h 11m

$278

San JuanSan Francisco

SJU - SFO

SJUSFO

San Juan Luis Munoz Marin Intl

vie. 9/12

7:15 am-9:21 pm

1 stop17h 06m

San Francisco

sáb. 9/20

11:00 pm-2:11 pm

1 stop12h 11m

$278

San JuanSan Francisco

SJU - SFO

SJUSFO

San Juan Luis Munoz Marin Intl

jue. 9/11

2:26 pm-10:41 pm

1 stop11h 15m

San Francisco

sáb. 9/20

6:15 am-10:00 pm

1 stop12h 45m

$319

San JuanSan Francisco

SJU - SFO

SJUSFO

San Juan Luis Munoz Marin Intl

jue. 9/11

7:30 am-6:48 pm

1 stop14h 18m

San Francisco

vie. 9/19

11:57 pm-11:48 am

1 stop8h 51m

$319

San JuanSan Francisco

SJU - SFO

SJUSFO

San Juan Luis Munoz Marin Intl

mié. 10/22

7:15 am-6:56 pm

1 stop14h 41m

San Francisco

lun. 10/27

8:15 am-9:59 pm

1 stop10h 44m

$319

San JuanSan Francisco

SJU - SFO

SJUSFO

San Juan Luis Munoz Marin Intl

mié. 11/5

6:25 am-4:01 pm

2 stops13h 36m

San Francisco

lun. 11/10

11:59 pm-5:52 pm

2 stops13h 53m

$369

San JuanSan Francisco

SJU - SFO

SJUSFO

San Juan Luis Munoz Marin Intl

lun. 9/22

1:05 am-10:22 am

1 stop12h 17m

San Francisco

mar. 9/30

5:05 am-5:30 pm

1 stop9h 25m

$369

San JuanSan Francisco

SJU - SFO

SJUSFO

San Juan Luis Munoz Marin Intl

mar. 10/14

11:56 am-10:59 pm

1 stop14h 03m

San Francisco

mar. 11/4

8:00 am-9:35 pm

1 stop9h 35m

$369

San JuanSan Francisco

SJU - SFO

SJUSFO

San Juan Luis Munoz Marin Intl

jue. 8/21

12:50 pm-8:25 pm

1 stop10h 35m

$183

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Showing 1-10 of 15 results
1
2

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 August 8, 2025.

The best time to book flights from San Juan Luis Munoz Marin Intl Airport to San Francisco is 41 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, January is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to San Francisco (average of $276). Flying from San Juan Luis Munoz Marin Intl Airport to San Francisco in June is currently the most expensive (average of $358). 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 SJU to SFO?

Find hourly flight availability from Luis Munoz Marin Intl to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated agosto 14, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 10% on flights from San Juan Luis Munoz Marin Intl Airport to San Francisco by exploring options for tickets at noon.

What is the cheapest day to fly from San Juan Luis Munoz Marin Intl Airport to San Francisco?

Use this chart to determine the cheapest time to fly round-trip from Luis Munoz Marin Intl to San Francisco. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their San Juan Luis Munoz Marin Intl Airport to San Francisco flight should consider departing on Thursday evenings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 agosto 14, 2025.
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
8.0
Very good
7,980 reviews

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

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
8.0
Very good
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

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
8,916 reviews
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

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
10,000 reviews
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

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
2,913 reviews
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

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
5.8
Fair
3,217 reviews
Delta
8.0
Very good
7,980 reviews

Crew

8.5

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

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.

  • 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 $234. Other airlines that can offer you cheap pricing are Frontier, from $276, and JetBlue, from $296. Delta is currently priced 50% below the average price you’ll pay for this route.

  • 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, January is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to San Francisco (average of $276). Flying from San Juan Luis Munoz Marin Intl Airport to San Francisco in June is currently the most expensive (average of $358). 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
Roseville
Santa Cruz
Livermore
South San Francisco
Mountain View
Turlock
Santa Clara
Hollister
Antioch
Watsonville
Manteca
Sunnyvale
Newark
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Foster City
San Leandro
Burlingame
Redwood City
Vallejo

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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 agosto 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$234Average$522FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$276Average$343FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$296Average$505FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$344Average$531FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$354Average$531FlexibilityNo cancel feeOn-time71%

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