HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Francisco

$134+ 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 9/26. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — SFO
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Luis Munoz Marin Intl to San Francisco with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from San Juan Luis Munoz Marin Intl to San Francisco are usually found in September or February, booked 63 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 July 3, 2025.

Round-trip from

$267
(Flightnetwork)

One-way from

$134
(Frontier)

Popular in

December

Cheapest in

September

Average price

$551
From San Juan Luis Munoz Marin Intl to San Francisco
Search Deals
One-way flight from San Juan Luis Munoz Marin Intl to San Francisco
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($53 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

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 July 3, 2025.

This Flightnetwork deal was found by Cheapflights users on 7/1. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/117:28 pmSJU - SFO
1 stop17h 57mFrontier
Sun 7/278:53 pmSFO - SJU
1 stop9h 11mFrontier
Deal found 7/1$267
This JetBlue deal was found by Cheapflights users on 7/3. 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 10/133:03 amSJU - SFO
1 stop11h 50mJetBlue
Tue 11/47:45 amSFO - SJU
1 stop10h 34mJetBlue
Deal found 7/3$366
This Delta deal was found by Cheapflights users on 7/2. 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 10/147:30 amSJU - SFO
2 stops18h 00mDelta
Tue 11/49:00 amSFO - SJU
1 stop10h 21mDelta
Deal found 7/2$369
This American Airlines deal was found by Cheapflights users on 7/1. 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 10/277:05 pmSJU - SFO
1 stop19h 22mAmerican Airlines
Tue 11/118:14 amSFO - SJU
1 stop9h 20mAmerican Airlines
Deal found 7/1$376
This United Airlines deal was found by Cheapflights users on 7/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/101:05 amSJU - SFO
2 stops13h 12mUnited Airlines
Fri 10/175:05 amSFO - SJU
1 stop9h 25mUnited Airlines
Deal found 7/2$383

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 July 3, 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

Fri 7/11

7:28 pm-10:25 am

1 stop17h 57m

San Francisco

Sun 7/27

8:53 pm-9:04 am

1 stop9h 11m

$267

San JuanSan Francisco

SJU - SFO

SJUSFO

San Juan Luis Munoz Marin Intl

Thu 9/11

2:26 pm-11:50 pm

2 stops12h 24m

San Francisco

Sun 9/14

7:15 pm-1:16 pm

2 stops15h 01m

$369

San JuanSan Francisco

SJU - SFO

SJUSFO

San Juan Luis Munoz Marin Intl

Wed 9/10

6:00 am-4:54 pm

1 stop13h 54m

San Francisco

Sun 9/14

10:30 pm-2:54 pm

1 stop13h 24m

$370

San JuanSan Francisco

SJU - SFO

SJUSFO

San Juan Luis Munoz Marin Intl

Thu 9/11

3:50 pm-10:48 pm

1 stop9h 58m

San Francisco

Sun 9/14

7:45 pm-11:11 am

2 stops12h 26m

$378

San JuanSan Francisco

SJU - SFO

SJUSFO

San Juan Luis Munoz Marin Intl

Fri 9/26

7:15 am-9:21 pm

1 stop17h 06m

$134

San JuanSan Francisco

SJU - SFO

SJUSFO

San Juan Luis Munoz Marin Intl

Fri 9/26

12:58 pm-11:50 pm

2 stops13h 52m

$185

San JuanSan Francisco

SJU - SFO

SJUSFO

San Juan Luis Munoz Marin Intl

Tue 7/22

6:04 am-3:56 pm

2 stops12h 52m

$208

San JuanSan Francisco

SJU - SFO

SJUSFO

San Juan Luis Munoz Marin Intl

Thu 9/4

12:15 pm-7:18 pm

1 stop10h 03m

$226

San JuanSan Francisco

SJU - SFO

SJUSFO

San Juan Luis Munoz Marin Intl

Wed 9/3

1:05 am-9:12 am

1 stop11h 07m

$230

San JuanSan Francisco

SJU - SFO

SJUSFO

San Juan Luis Munoz Marin Intl

Sat 8/16

10:10 am-8:08 am

3 stops24h 58m

$271

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

Showing 1-10 of 11 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 June 27, 2025.

The best time to book flights from San Juan Luis Munoz Marin Intl Airport to San Francisco is 63 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 $360). 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 July 3, 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 July 3, 2025.
See what other customers who have flown with Delta, United Airlines, and JetBlue 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
7,982 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

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
7,982 reviews
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

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
8,861 reviews
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

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
7.3
Good
2,916 reviews
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

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
7,982 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

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
Sun Country Air
6.9
Okay
339 reviews
Delta
8.0
Very good
7,982 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Entertainment

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 $267. Other airlines that can offer you cheap pricing are Delta, from $369, and JetBlue, from $370. Frontier is currently priced 43% 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 $134. However, be on the lookout for offers from Delta and American Airlines, 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, 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 $360). 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
Roseville
Mountain View
South San Francisco
Livermore
Santa Cruz
Turlock
Manteca
Watsonville
Antioch
Hollister
Newark
Alameda
Hayward
Milpitas
Sunnyvale
Daly City
Campbell
Foster City
Capitola
Richmond

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$242Average$522FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$278Average$489FlexibilityNo cancel feeOn-time62%
FrontierCheapest$284Average$343FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$330Average$530FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$346Average$517FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.