SJU - SFO

$148 Find Cheap Flights from San Juan to San Francisco

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from San Juan to San Francisco departing on 5/16. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult

KAYAK searches hundreds of travel sites at once for deals on flights to San Francisco

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from San Juan to San Francisco, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from San Juan to San Francisco, as well as popular online travel agencies
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Cheap Flight Deals from San Juan to San Francisco (SJU-SFO)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from San Juan to San Francisco that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Recent round-trip flight deals from San Juan to San Francisco

KAYAK's recommended round-trip deals from the most popular airlines that fly from San Juan to San Francisco.
Discover the best prices for you by selecting your travel dates on KAYAK.
Choose your dates
Frontier Logo
2:55 am - 9:30 pmSJU-SFO
21h 35m1 stop
Frontier Logo
10:07 pm - 10:02 pmSFO-SJU
20h 55m1 stop
$306Frontier
Find Deal
Fri, Apr 18 - Sat, Apr 26
Frontier Logo
3:56 am - 1:19 pmSJU-SFO
12h 23m1 stop
Frontier Logo
10:07 pm - 2:51 amSFO-SJU
25h 44m1 stop
$312Frontier
Find Deal
Wed, Apr 23 - Wed, Apr 30
JetBlue Logo
3:35 pm - 11:42 pmSJU-SFO
11h 07m1 stop
JetBlue Logo
8:00 am - 8:11 pmSFO-SJU
9h 11m1 stop
$322JetBlue
Find Deal
Thu, Apr 24 - Tue, Apr 29
American Airlines Logo
7:15 am - 10:51 pmSJU-SFO
18h 36m1 stop
American Airlines Logo
12:19 pm - 5:00 amSFO-SJU
13h 41m1 stop
$349American Airlines
Find Deal
Thu, Apr 24 - Tue, Apr 29
JetBlue Logo
6:05 am - 6:52 pmSJU-SFO
15h 47m1 stop
JetBlue Logo
8:00 am - 9:27 pmSFO-SJU
10h 27m1 stop
$350JetBlue
Find Deal
Thu, May 1 - Sat, May 3
American Airlines Logo
7:15 am - 10:51 pmSJU-SFO
18h 36m1 stop
American Airlines Logo
12:21 am - 2:35 pmSFO-SJU
11h 14m2 stops
$357American Airlines
Find Deal
Thu, Apr 24 - Mon, Apr 28
United Airlines Logo
1:05 am - 10:22 amSJU-SFO
12h 17m1 stop
United Airlines Logo
12:43 am - 3:40 pmSFO-SJU
11h 57m1 stop
$439United Airlines
Find Deal
Wed, Apr 23 - Mon, Apr 28
United Airlines Logo
1:05 am - 10:22 amSJU-SFO
12h 17m1 stop
United Airlines Logo
7:05 pm - 11:57 amSFO-SJU
13h 52m2 stops
$457United Airlines
Find Deal
Sat, May 3 - Sun, May 11
Delta Logo
6:15 am - 8:37 pmSJU-SFO
17h 22m2 stops
Delta Logo
4:36 pm - 11:40 amSFO-SJU
16h 04m2 stops
$479Delta
Find Deal
Fri, May 2 - Tue, May 6
Delta Logo
6:15 am - 8:40 pmSJU-SFO
17h 25m2 stops
Delta Logo
7:16 pm - 2:19 pmSFO-SJU
16h 03m2 stops
$656Delta
Find Deal
Fri, Apr 11 - Mon, Apr 28

KAYAK's insights & trends for San Juan to San Francisco flights

Get data-powered insights and trends into flights from San Juan to San Francisco to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from San Juan to San Francisco?

The average price of all round-trip flights from San Juan Luis Munoz Marin Intl Airport to San Francisco clicked on KAYAK for each day over the last 12 months.
Your flight ticket price will generally be cheaper if you fly to San Francisco on a Saturday and more expensive on a Monday. On your return trip to San Juan, you should consider flying back on a Tuesday, and avoid Fridays for better deals.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from San Juan Luis Munoz Marin Intl Airport to San Francisco, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from San Juan Luis Munoz Marin Intl Airport to San Francisco is October, where tickets cost $417 (return) on average. On the other hand, the most expensive months are June and December, where the average cost of round-trip tickets is $667 and $621 respectively.

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

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from San Juan Luis Munoz Marin Intl Airport to San Francisco, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.
To get a below average price on the flight from San Juan Luis Munoz Marin Intl Airport to San Francisco, you should book around 6 weeks before departure. For the absolute cheapest price, our data suggests you should book 20 weeks before departure.

Good to know

Low season

February

High season

July

Cheapest flight

$148
Best time to beat the crowds with an average 18% drop in price.
Most popular time to fly with an average 19% increase in price.
Flight from San Juan to San Francisco

When to book flights from San Juan to San Francisco

Are your dates flexible? Find out the best times to travel from San Juan to San Francisco based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking San Juan to San Francisco flights

  • What is the cheapest flight from San Juan Luis Munoz Marin Intl Airport to San Francisco?

    In the last 3 days, the lowest price for a flight from San Juan Luis Munoz Marin Intl Airport to San Francisco was $148 for a one-way ticket and $306 for a round-trip.

  • Do I need a passport to fly between San Juan and San Francisco?

    Yes, you'll most likely have to show a valid passport before boarding the plane in San Juan and on arrival in San Francisco.

  • Which airports will I be using when flying from San Juan to San Francisco?

    San Juan and San Francisco are both served by 1 main airport. You will leave San Juan from San Juan Luis Munoz Marin Intl and will be arriving at San Francisco.

  • Which aircraft models fly most regularly from San Juan to San Francisco?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from San Juan to San Francisco?

    SkyTeam, Star Alliance, and oneworld are the airline alliances operating flights between San Juan and San Francisco, with oneworld being the most commonly used for this route.

  • Which is the best airline for flights from San Juan to San Francisco, Delta or United Airlines?

    The two airlines most popular with KAYAK users for flights from San Juan to San Francisco are Delta and United Airlines. With an average price for the route of $570 and an overall rating of 8.0, Delta is the most popular choice. United Airlines is also a great choice for the route, with an average price of $549 and an overall rating of 7.4.

  • How does KAYAK find such low prices on flights from San Juan to San Francisco?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from San Juan to San Francisco.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from San Juan to San Francisco?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Francisco from San Juan is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from San Juan to San Francisco?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Francisco with an airline and back to San Juan with another airline. Booking your flights between San Juan and SFO can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from San Juan to San Francisco?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Francisco from San Juan up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top 4 airlines serving from San Juan to San Francisco

 
See real verified KAYAK customer reviews for airlines flying from San Juan to San Francisco. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from San Juan to San Francisco? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
DeltaOverall score based on 7898 reviews
7.9Entertainment
7.3Food
7.9Comfort
8.5Crew
8.2Boarding
Airline reviews

I love the free WiFi!! Crew was nice. Bathroom was decent. First time flying delta in a long time and I enjoyed it. Will definitely look into booking with Delta more but I think Delta is a little more expensive than the other airlines.

10.0 ExcellentLucy, Mar 2025CUN - LAX
Read more Delta reviews

I love the free WiFi!! Crew was nice. Bathroom was decent. First time flying delta in a long time and I enjoyed it. Will definitely look into booking with Delta more but I think Delta is a little more expensive than the other airlines.

Seats are much much more comfortable than United, which is what I usually fly

If I pay extra for "comfort+" I expect leg room where I can stretch my legs. I was seated with an attendant's seat blocking my feet. Knee space was fine but my feet had less room than the non-"comfort+" seats. Also, don't go cheap on food when you have flights of 3+ hours. It's insulting.

Unfortunately I was stuck next to someone who should have purchased 2 seats instead of taking up their space and mine. I couldn’t move the entire 3+ hour flight. Very uncomfortable flight.

Only one side of the heafphone jack work. Crew was friendly and helpful.

Great. Flight departed early and arrived early. Deplaning and baggage claim ww were quick.

They separated our seats and moved us to the back of the plane. Hundreds of dollars and thousands of miles used and this was my platinum member experience.

Since it wasn’t a Delta flight, I was not able to sit with my group and there was no entertainment.

Three adults, three children. They did not give us seats together. Two seats together, in row 23, one in 13, one in 14, one in 10, and one in 17. When we got on the plane, the crew tried to ask people to move but basically threw up their hands. One person moved so we had two pairs of seats together. The 1.5 year old sat on a parent's lap (despite having paid for his own seat).

the fight attendants were great and i appreciated that they had season 1 of The Wire from HBO as a viewing option

The gate was too far away for the connecting flight

Generally good. The aisles have gotten narrower which can slow down boarding. Flight crew was great! Healthier complimentary snacks would be appreciated. Due to earthquake in San Francisco we had to circle in air space for a bit but then had a smooth landing. I laud the flight crew for their patience ;)

headphone jack didnt work for the first flight and not much variety

The agents was very rude and they charged me $50 for a carry-on bag saying that it was too big and then I saw someone going on a plane with the same size bag as me

For the most part united was a good experience, how ever when they came by with the snacks and water, they completely passed by my wife and I. As we were in separate rows. On a 5 hr flight we were not offered water

Fantastic crew. Flight was delayed at last minute but we were given updates every 20 minutes and the crew was so friendly and considerate. I miss the touch screens on the back of the seats, wish they would bring that back though.

Beijing PEK to SFO. I had an economy seat on this flight. The seat comfort was acceptable. My main complaint is with the FA’s lack of personality and absence from servicing the plane, specifically restroom care (I wish I could share a pic of the restroom that I captured) and care of travelers—drink cart/availability of drinks. I'm amazed at the level of service on other International travel where a passenger is most often appreciated.

Awful. Worst airline I have ever been on. Crew were among the rudest people I have ever dealt with. United staff members were rude and disrespectful. My flight was delayed, causing me to miss a connecting flight. I understand things happen, but when staff start lying about what actually happened, that is when I have an issue. Just be honest, really it isn’t that hard. I’m being very honest with this review and I don’t find this difficult what so ever. In fact, because of United Airlines, my Christmas holiday was off to a really rocky start. As someone who has traveled across the world, it has only been United that I have had a truly awful experience.

Good flight. On time. Boarding and seating was easy. Crew were really friendly, yet professional. Bathroom (by cockpit) was small but serviceable. Some the seats were showing some notable wear & tear, but were comfy. Very happy UA customer. TY! 🤛🏽💗

We were delayed 3x and because I didn’t purchase my tickets directly from United Airlines I was told I Have to take care of it myself so I called Underpricer and they helped me but before I changed my flights I took the risk of sticking by what my tickets were and was lucky to have gotten on the original all flight with only 15 mins before take off. not sure if I will do this again

Except for the 28 minute delay leaving and the earlier reschedule to a later takeoff time the flight was good.

Loved the leg room and tvs screens on the seats and free WiFi. Wish the price was lower and could save by rebooking

It took 1-1/2 hours to get our luggage after we landed. That to me is unacceptable

The flight was delayed for 4 hours. Once onboard the crew was wonderful.

Overall was excellent. Will definitely us JetBlue in the future.

Love the mosaic program, being able to move to an extra space seat for free is awesome

I rate it is good we had a 4-hour travel delay at one point but JetBlue gave out food vouchers and travel points credits for another flight so they try to make up for it

Smooth boarding and friendly crew. Unfortunately as soon as we boarded the unit that provides air circulation failed. The pilot informed us and requested maintenance technicians to check it out. The plane became uncomfortably warm without any fresh air coming in. Plus the repair delayed our departure. I am glad the maintenance crew were able to fix the problem. I also was without use of my tv monitor for the first 1/3rd of the trip.

Communication with the customer and stay is important. Staff off with a minor inconvenience but it worked out of course. Also this was a very old Mint Class plane. They snuck this one in on us. The updated aircraft are much better.

The flight itself was fine, but the boarding process was extremely frustrating. There is no one scanning boarding passes - passengers just scan themselves and enter the jetway. By the time my husband and I got on the plane and were halfway to our seats they determined there were too many bags on the plane and everything at that point needed to be checked. This created a lot of unnecessary chaos. They should have alerted people before getting on the plane that they would need to start checking bags instead of waiting until people were already on the plane.

One bottle of water and a package of cookies for comfort plus. We had to literally beg a flight attendant for an extra bottle of water later in the flight due to feeling dehydrated.

Flight boarded from Gate 39 at OGG, the farthest gate in the terminal. There were no Hawaiian themed amenities for the flight. The first class service was mediocre at best; I received not special welcome or recognition as an executive platinum member of American Advantage program. The flight attendants were more concerned with their cell phones than saying "thank you" to the passengers as we disembarked. Fortunately, the flight arrived at LAX a few minutes early.

Bigger seats. Board back to front! Disembark front to back!

Extraordinary service in business class, and very good breakfast and snacks. A really lovely flight.

This flight didn’t happen because AA agents didn’t let us board the flight

Plane was pretty clean, staff was friendly and helpful, flight left about on time arrived early. Took a long time to board and get off the plane - carry on items didn't have enough room so people had to move all around to find places.

The service and food needs to improve to catch up with other international flights

Would have been good to have a meal since it was a 5.5 hour flight

We boarded after several delays due to mechanical failure and a gate change. The seat cushion in the exit row was very compressed and offered no cushion, making the four-hour journey reasonably uncomfortable. The WiFi worked for a few people, but for most, it did not, and you cannot get entertainment unless you can connect—American Airlines flights do not have seatback screens, and you must use your mobile phone.

AA is always pretty solid. Was on time all the way around today so can’t complain!

Everything you need to know for your flight from San Juan to San Francisco

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