San Francisco

$188+ 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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — SFO
Oct 11 — Oct 181
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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 September 11, 2025.

Round-trip from

$278
(Frontier)

One-way from

$188
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$410
From San Juan Luis Munoz Marin Intl to San Francisco
One-way flight from San Juan Luis Munoz Marin Intl to San Francisco
Highest demand for flights based on searches. 10% potential increase in price ($53 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
Average for round-trip flights in September 2025

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 September 11, 2025.

This Frontier deal was found by Cheapflights users on 9/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/267:15 amSJU - SFO
1 stop17h 06mFrontier
Fri 10/311:00 pmSFO - SJU
1 stop12h 11mFrontier
Deal found 9/10$278
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Wed 10/13:19 pmSJU - SFO
2 stops29h 48mMultiple Airlines
Sun 10/511:00 pmSFO - SJU
1 stop12h 11mMultiple Airlines
Deal found 9/9$296
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Fri 9/197:15 amSJU - SFO
1 stop17h 06mFrontier
Fri 9/2611:00 pmSFO - SJU
1 stop12h 11mFrontier
Deal found 9/9$302
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Thu 10/23:22 pmSJU - SFO
2 stops22h 21mMultiple Airlines
Sun 10/511:00 pmSFO - SJU
1 stop12h 11mMultiple Airlines
Deal found 9/9$306
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/304:04 pmSJU - SFO
2 stops52h 45mMultiple Airlines
Sat 11/1510:23 pmSFO - SJU
1 stop12h 56mMultiple Airlines
Deal found 9/10$314
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Fri 10/37:15 amSJU - SFO
1 stop17h 06mMultiple Airlines
Thu 10/95:45 amSFO - SJU
2 stops15h 51mMultiple Airlines
Deal found 9/9$324
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Fri 10/37:15 amSJU - SFO
1 stop17h 06mFrontier
Tue 10/712:00 pmSFO - SJU
2 stops35h 30mFrontier
Deal found 9/9$326
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/226:22 amSJU - SFO
2 stops19h 05mFrontier
Sun 10/2610:23 pmSFO - SJU
1 stop12h 43mFrontier
Deal found 9/10$330
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Fri 10/37:15 amSJU - SFO
1 stop17h 06mMultiple Airlines
Mon 10/611:57 pmSFO - SJU
2 stops23h 33mMultiple Airlines
Deal found 9/9$332
This Priceline deal was found by Cheapflights users on 9/10. 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.
Wed 10/2212:15 pmSJU - SFO
1 stop14h 01mJetBlue
Sun 10/269:44 pmSFO - SJU
1 stop9h 14mJetBlue
Deal found 9/10$335

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 September 11, 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

Wed 10/22

1:25 pm-12:59 am

1 stop14h 34m

San Francisco

Mon 10/27

11:39 pm-2:21 pm

1 stop11h 42m

$356

San JuanSan Francisco

SJU - SFO

SJUSFO

San Juan Luis Munoz Marin Intl

Fri 10/17

12:15 pm-11:05 pm

1 stop13h 50m

San Francisco

Tue 10/21

6:00 am-9:24 pm

1 stop12h 24m

$356

San JuanSan Francisco

SJU - SFO

SJUSFO

San Juan Luis Munoz Marin Intl

Fri 10/17

1:25 pm-12:59 am

1 stop14h 34m

San Francisco

Mon 10/20

11:25 pm-2:54 pm

1 stop12h 29m

$356

San JuanSan Francisco

SJU - SFO

SJUSFO

San Juan Luis Munoz Marin Intl

Fri 10/17

1:06 pm-1:29 am

1 stop15h 23m

San Francisco

Tue 10/21

7:15 am-9:59 pm

1 stop11h 44m

$362

San JuanSan Francisco

SJU - SFO

SJUSFO

San Juan Luis Munoz Marin Intl

Thu 9/25

1:32 pm-1:21 am

1 stop14h 49m

San Francisco

Mon 9/29

7:15 pm-12:13 pm

2 stops13h 58m

$385

San JuanSan Francisco

SJU - SFO

SJUSFO

San Juan Luis Munoz Marin Intl

Mon 10/27

1:06 pm-1:29 am

1 stop15h 23m

San Francisco

Mon 11/10

12:45 am-5:20 pm

2 stops12h 35m

$432

San JuanSan Francisco

SJU - SFO

SJUSFO

San Juan Luis Munoz Marin Intl

Mon 9/22

1:32 pm-1:21 am

1 stop14h 49m

San Francisco

Sun 9/28

10:55 pm-4:20 pm

1 stop14h 25m

$435

San JuanSan Francisco

SJU - SFO

SJUSFO

San Juan Luis Munoz Marin Intl

Wed 10/8

7:00 am-8:32 pm

1 stop16h 32m

San Francisco

Sat 10/18

4:45 pm-11:56 am

2 stops16h 11m

$435

San JuanSan Francisco

SJU - SFO

SJUSFO

San Juan Luis Munoz Marin Intl

Fri 9/19

1:32 pm-11:50 pm

2 stops13h 18m

San Francisco

Fri 9/26

7:15 pm-12:13 pm

2 stops13h 58m

$435

San JuanSan Francisco

SJU - SFO

SJUSFO

San Juan Luis Munoz Marin Intl

Fri 12/5

6:42 pm-11:06 am

1 stop20h 24m

$195

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 20 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 29, 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 $357). 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 September 11, 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 September 11, 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.
8.0
Very good

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

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
8.0
Very good
8.0
Very good

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

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
8.0
Very good

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

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
8.0
Very good

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

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
8.0
Very good

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

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
8.0
Very good

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Entertainment

7.9

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 34m. 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 $234. Other airlines that can offer you cheap pricing are Frontier, from $276, and JetBlue, from $298. 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 $357). 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
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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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$234Average$562FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$276Average$343FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$298Average$506FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$344Average$525FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$354Average$532FlexibilityNo cancel feeOn-time71%

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