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Cheap flights from San Francisco to San Juan from $134

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to San Juan departing on 11/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

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Multiple Airlines Logo
9:17 am - 4:39 amSFO-SJU
15h 22m1 stop
Multiple Airlines Logo
3:00 pm - 7:48 amSJU-SFO
44h 48m2 stops
$360Multiple Airlines
Find Deal
Fri, Dec 5 - Sat, Dec 13
JetBlue Logo
8:26 am - 11:56 pmSFO-SJU
11h 30m1 stop
JetBlue Logo
9:00 pm - 10:31 amSJU-SFO
17h 31m1 stop
$365JetBlue
Find Deal
Tue, Jan 6 - Tue, Jan 13
JetBlue Logo
3:20 pm - 7:39 pmSFO-SJU
25h 19m1 stop
JetBlue Logo
9:00 pm - 9:25 amSJU-SFO
16h 25m1 stop
$368JetBlue
Find Deal
Fri, Oct 31 - Mon, Nov 3
Frontier Logo
10:23 pm - 3:19 pmSFO-SJU
12h 56m1 stop
Frontier Logo
6:01 am - 7:23 pmSJU-SFO
17h 22m1 stop
$369Frontier
Find Deal
Thu, Nov 13 - Sat, Nov 22
Multiple Airlines Logo
1:10 pm - 7:39 pmSFO-SJU
26h 29m1 stop
Multiple Airlines Logo
7:15 am - 10:43 amSJU-SFO
31h 28m2 stops
$370Multiple Airlines
Find Deal
Thu, Nov 13 - Sun, Nov 23
Frontier Logo
10:23 pm - 3:14 pmSFO-SJU
12h 51m1 stop
Frontier Logo
9:00 am - 10:27 pmSJU-SFO
17h 27m2 stops
$372Frontier
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Sun, Nov 9 - Wed, Nov 12
Delta Logo
6:10 am - 9:59 pmSFO-SJU
12h 49m1 stop
Delta Logo
7:00 am - 4:05 pmSJU-SFO
13h 05m2 stops
$380Delta
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Fri, Oct 31 - Wed, Nov 12
American Airlines Logo
6:30 am - 11:52 pmSFO-SJU
13h 22m1 stop
American Airlines Logo
12:55 pm - 10:08 pmSJU-SFO
13h 13m2 stops
$389American Airlines
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Wed, Nov 5 - Wed, Nov 12
American Airlines Logo
10:55 am - 11:59 pmSFO-SJU
10h 04m1 stop
American Airlines Logo
11:56 am - 10:09 pmSJU-SFO
13h 13m2 stops
$412American Airlines
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Fri, Oct 24 - Wed, Oct 29
United Airlines Logo
12:43 am - 4:36 pmSFO-SJU
11h 53m1 stop
United Airlines Logo
3:46 pm - 10:59 pmSJU-SFO
11h 13m1 stop
$426United Airlines
Find Deal
Mon, Jan 5 - Wed, Jan 28

JetBlue flights from San Francisco to San Juan Luis Munoz Marin Intl Airport

Our best JetBlue deals on San Francisco to San Juan Luis Munoz Marin Intl Airport flight tickets
JetBlue
Jan 6
SFO8:26 amSan Francisco
11h 30m
1 stop
SJU11:56 pmSan Juan Luis Munoz Marin Intl
Jan 13
SJU9:00 pmSan Juan Luis Munoz Marin Intl
17h 31m
1 stop
SFO10:31 amSan Francisco
$365
Find similar
JetBlue
Oct 31
SFO3:20 pmSan Francisco
25h 19m
1 stop
SJU7:39 pmSan Juan Luis Munoz Marin Intl
Nov 3
SJU9:00 pmSan Juan Luis Munoz Marin Intl
16h 25m
1 stop
SFO9:25 amSan Francisco
$368
Find similar
JetBlue
Nov 8
SFO8:00 amSan Francisco
21h 48m
1 stop
SJU9:48 amSan Juan Luis Munoz Marin Intl
Nov 18
SJU6:45 amSan Juan Luis Munoz Marin Intl
20h 46m
1 stop
SFO11:31 pmSan Francisco
$371
Find similar

Frontier flights from San Francisco to San Juan Luis Munoz Marin Intl Airport

Our best Frontier deals on San Francisco to San Juan Luis Munoz Marin Intl Airport flight tickets
Frontier
Nov 13
SFO10:23 pmSan Francisco
12h 56m
1 stop
SJU3:19 pmSan Juan Luis Munoz Marin Intl
Nov 22
SJU6:01 amSan Juan Luis Munoz Marin Intl
17h 22m
1 stop
SFO7:23 pmSan Francisco
$369
Find similar
Frontier
Nov 9
SFO10:23 pmSan Francisco
12h 51m
1 stop
SJU3:14 pmSan Juan Luis Munoz Marin Intl
Nov 12
SJU9:00 amSan Juan Luis Munoz Marin Intl
17h 27m
2 stops
SFO10:27 pmSan Francisco
$372
Find similar
Frontier
Dec 6
SFO4:36 pmSan Francisco
18h 18m
2 stops
SJU2:54 pmSan Juan Luis Munoz Marin Intl
Dec 11
SJU3:55 amSan Juan Luis Munoz Marin Intl
15h 32m
2 stops
SFO3:27 pmSan Francisco
$377
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momondo Fare Finder

 
Customize your flight search to find flights from San Francisco to San Juan Luis Munoz Marin Intl Airport 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, momondo users made 832,500 searches. Data last updated October 9, 2025.
Use the filters below to find and compare flights from San Francisco to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Fri 12/5

9:17 am-4:39 am

1 stop15h 22m

San Juan Luis Munoz Marin Intl

Sat 12/13

3:00 pm-7:48 am

2 stops44h 48m

$360

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Tue 1/6

8:26 am-11:56 pm

1 stop11h 30m

San Juan Luis Munoz Marin Intl

Tue 1/13

9:00 pm-10:31 am

1 stop17h 31m

$365

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Fri 10/31

3:20 pm-7:39 pm

1 stop25h 19m

San Juan Luis Munoz Marin Intl

Mon 11/3

9:00 pm-9:25 am

1 stop16h 25m

$368

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Thu 11/13

10:23 pm-3:19 pm

1 stop12h 56m

San Juan Luis Munoz Marin Intl

Sat 11/22

6:01 am-7:23 pm

1 stop17h 22m

$369

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Thu 11/13

1:10 pm-7:39 pm

1 stop26h 29m

San Juan Luis Munoz Marin Intl

Sun 11/23

7:15 am-10:43 am

2 stops31h 28m

$370

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Sun 11/9

10:23 pm-3:14 pm

1 stop12h 51m

San Juan Luis Munoz Marin Intl

Wed 11/12

9:00 am-10:27 pm

2 stops17h 27m

$372

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Fri 10/31

6:10 am-9:59 pm

1 stop12h 49m

San Juan Luis Munoz Marin Intl

Wed 11/12

7:00 am-4:05 pm

2 stops13h 05m

$380

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Wed 11/5

6:30 am-11:52 pm

1 stop13h 22m

San Juan Luis Munoz Marin Intl

Wed 11/12

12:55 pm-10:08 pm

2 stops13h 13m

$389

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Fri 10/24

10:55 am-11:59 pm

1 stop10h 04m

San Juan Luis Munoz Marin Intl

Wed 10/29

11:56 am-10:09 pm

2 stops13h 13m

$412

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Mon 1/5

12:43 am-4:36 pm

1 stop11h 53m

San Juan Luis Munoz Marin Intl

Wed 1/28

3:46 pm-10:59 pm

1 stop11h 13m

$426

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from San Francisco to San Juan Luis Munoz Marin Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

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

If you aren’t able to travel to San Juan Luis Munoz Marin Intl Airport during the month of May, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $438.

What is the cheapest day to depart on your flight to San Juan Luis Munoz Marin Intl Airport?

On average, the least expensive day to fly to San Juan Luis Munoz Marin Intl Airport from San Francisco is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $456. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Friday is the most expensive day to depart from San Francisco because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $573.

What is the cheapest time of day to depart on your flight to San Juan Luis Munoz Marin Intl Airport?

The cheapest time of day to fly to San Juan Luis Munoz Marin Intl Airport is at noon when flights can be purchased for as low as $377. Flights in the morning are often more expensive with an average ticket price of $549.

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

You are more likely to see cheaper flights to San Juan Luis Munoz Marin Intl Airport from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to San Juan Luis Munoz Marin Intl Airport for around $502 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Juan Luis Munoz Marin Intl Airport from San Francisco for as low as $443 on momondo.

How have San Francisco to San Juan Luis Munoz Marin Intl Airport flight prices changed over time?

As of October 2025, prices for San Francisco to San Juan Luis Munoz Marin Intl Airport flights are approximately 31% more expensive when compared to flights at the same time last year.

When to book flights from San Francisco to San Juan Luis Munoz Marin Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from San Francisco to San Juan Luis Munoz Marin Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap San Francisco to San Juan Luis Munoz Marin Intl Airport (SFO to SJU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Francisco to San Juan Luis Munoz Marin Intl Airport

Direct flights

None
There are no direct flights from San Francisco to San Juan Luis Munoz Marin Intl Airport. There are no popular flight routes from San Francisco to San Juan Luis Munoz Marin Intl Airport.
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  • How far is San Francisco to San Juan Luis Munoz Marin Intl by plane?

    San Francisco and San Juan Luis Munoz Marin Intl are 3625.8 mi apart from one another. Flights usually cover this in 8h 51m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from San Francisco Airport to San Juan Luis Munoz Marin Intl Airport?

    Prices for flights from San Francisco Airport to San Juan Luis Munoz Marin Intl Airport were last updated today.

  • How many operators does momondo search for flights from San Francisco Airport to San Juan Luis Munoz Marin Intl Airport?

  • How old do you have to be to fly from San Francisco Airport to San Juan Luis Munoz Marin Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Francisco Airport to San Juan Luis Munoz Marin Intl Airport.

  • What documentation or ID do you need to fly to San Juan Luis Munoz Marin Intl Airport?

    The travel and health documents you'll need for your trip to San Juan Luis Munoz Marin Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Juan Luis Munoz Marin Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from San Francisco to San Juan Luis Munoz Marin Intl Airport?

Best airlines flying from San Francisco to San Juan Luis Munoz Marin Intl Airport

Compare and see reviews for airlines that fly from San Francisco to San Juan Luis Munoz Marin Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $160Free CancellationRating
5.8
3,143 reviews
Search Frontier flights
DeltaPriceFrom $240Free CancellationRating
7.9
7,971 reviews
Search Delta flights
JetBluePriceFrom $307Free CancellationRating
7.2
2,908 reviews
Search JetBlue flights
Sun Country AirPriceFrom $310Free CancellationRating
6.9
335 reviews
Search Sun Country Air flights
American AirlinesPriceFrom $347Free CancellationRating
7.2
11,043 reviews
Search American Airlines flights
United AirlinesPriceFrom $360Free CancellationRating
7.4
8,966 reviews
Search United Airlines flights
SouthwestPriceFrom $412Free CancellationRating
8.0
4,236 reviews
Search Southwest flights

Traveling to a place near San Juan?

Book flights to San Juan if you plan to visit one of these locations
Carolina
Fajardo
Dorado
Luquillo
Caguas
Humacao
Rio Grande
Bayamón

Why use momondo?

Why should I use momondo to find a flight deal from San Francisco to San Juan?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Juan from San Francisco.

Can I find flights from San Francisco to San Juan with flexible booking policies on momondo?

Flights from San Francisco to San Juan with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from San Francisco to San Juan?

momondo helps you find the best flight between San Francisco and San Juan by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from San Francisco to San Juan right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of San Francisco to San Juan flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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