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Cheap flights from San Francisco to San Juan from $108

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 5/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San Francisco to San Juan

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
8:51 pm - 1:16 pm
SFO
-
SJU
13h 25m
1 stop
Frontier Logo
3:06 am - 10:15 am
SJU
-
SFO
10h 09m
1 stop
$433Frontier
Fri, Jul 3 - Fri, Jul 10
Multiple Airlines Logo
11:59 pm - 1:32 pm
SFO
-
SJU
10h 33m
1 stop
Multiple Airlines Logo
7:30 am - 8:51 am
SJU
-
SFO
28h 21m
2 stops
$437Multiple Airlines
Sat, May 16 - Thu, Jun 11
Frontier Logo
8:44 pm - 5:12 pm
SFO
-
SJU
17h 28m
1 stop
Frontier Logo
6:16 pm - 10:34 am
SJU
-
SFO
19h 18m
1 stop
$439Frontier
Wed, Jun 3 - Fri, Jun 12
Multiple Airlines Logo
11:59 pm - 1:32 pm
SFO
-
SJU
10h 33m
1 stop
Multiple Airlines Logo
7:30 am - 11:04 pm
SJU
-
SFO
18h 34m
2 stops
$440Multiple Airlines
Sat, May 9 - Wed, May 13
Multiple Airlines Logo
11:59 pm - 1:32 pm
SFO
-
SJU
10h 33m
1 stop
Multiple Airlines Logo
2:37 pm - 11:04 pm
SJU
-
SFO
11h 27m
1 stop
$441Multiple Airlines
Sat, May 16 - Mon, May 25
Multiple Airlines Logo
8:51 pm - 1:20 pm
SFO
-
SJU
13h 29m
1 stop
Multiple Airlines Logo
9:10 pm - 9:11 am
SJU
-
SFO
15h 01m
1 stop
$442Multiple Airlines
Tue, Jul 7 - Tue, Jul 14
Frontier Logo
6:00 am - 11:57 pm
SFO
-
SJU
38h 57m
2 stops
Frontier Logo
5:15 pm - 7:26 pm
SJU
-
SFO
29h 11m
1 stop
$444Frontier
Sun, May 17 - Fri, Jun 12
Frontier Logo
8:51 pm - 1:20 pm
SFO
-
SJU
13h 29m
1 stop
Frontier Logo
3:06 am - 10:15 am
SJU
-
SFO
10h 09m
1 stop
$446Frontier
Fri, Aug 14 - Sun, Aug 16
Multiple Airlines Logo
11:59 pm - 1:32 pm
SFO
-
SJU
10h 33m
1 stop
Multiple Airlines Logo
7:30 am - 8:51 am
SJU
-
SFO
28h 21m
2 stops
$447Multiple Airlines
Fri, May 15 - Thu, Jun 11
Multiple Airlines Logo
12:24 am - 2:11 am
SFO
-
SJU
22h 47m
2 stops
Multiple Airlines Logo
6:10 am - 10:57 pm
SJU
-
SFO
19h 47m
1 stop
$448Multiple Airlines
Mon, Aug 10 - Sat, Aug 22

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American Airlines flights from San Francisco to San Juan Luis Munoz Marin Intl Airport

Our best American Airlines deals on San Francisco to San Juan Luis Munoz Marin Intl Airport flight tickets
American Airlines
May 28
SFO6:01 amSan Francisco
14h 00m
1 stop
SJU11:01 pmSan Juan Luis Munoz Marin Intl
Jun 4
SJU1:47 pmSan Juan Luis Munoz Marin Intl
14h 26m
1 stop
SFO1:13 amSan Francisco
$470
American Airlines
May 27
SFO6:01 amSan Francisco
14h 00m
1 stop
SJU11:01 pmSan Juan Luis Munoz Marin Intl
Jun 3
SJU7:00 amSan Juan Luis Munoz Marin Intl
17h 19m
1 stop
SFO9:19 pmSan Francisco
$475
American Airlines
Jun 3
SFO6:01 amSan Francisco
14h 00m
1 stop
SJU11:01 pmSan Juan Luis Munoz Marin Intl
Jun 10
SJU10:29 amSan Juan Luis Munoz Marin Intl
16h 30m
1 stop
SFO11:59 pmSan Francisco
$498

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
Jul 3
SFO8:51 pmSan Francisco
13h 25m
1 stop
SJU1:16 pmSan Juan Luis Munoz Marin Intl
Jul 10
SJU3:06 amSan Juan Luis Munoz Marin Intl
10h 09m
1 stop
SFO10:15 amSan Francisco
$433
Frontier
Jun 3
SFO8:44 pmSan Francisco
17h 28m
1 stop
SJU5:12 pmSan Juan Luis Munoz Marin Intl
Jun 12
SJU6:16 pmSan Juan Luis Munoz Marin Intl
19h 18m
1 stop
SFO10:34 amSan Francisco
$439
Frontier
May 17
SFO6:00 amSan Francisco
38h 57m
2 stops
SJU11:57 pmSan Juan Luis Munoz Marin Intl
Jun 12
SJU5:15 pmSan Juan Luis Munoz Marin Intl
29h 11m
1 stop
SFO7:26 pmSan Francisco
$444

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 April 28, 2026.
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

Cheapest round-trip

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Fri 7/3

8:51 pm-1:16 pm

1 stop13h 25m

San Juan Luis Munoz Marin Intl

Fri 7/10

3:06 am-10:15 am

1 stop10h 09m

$433

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Sat 5/16

11:59 pm-1:32 pm

1 stop10h 33m

San Juan Luis Munoz Marin Intl

Thu 6/11

7:30 am-8:51 am

2 stops28h 21m

$437

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Wed 6/3

8:44 pm-5:12 pm

1 stop17h 28m

San Juan Luis Munoz Marin Intl

Fri 6/12

6:16 pm-10:34 am

1 stop19h 18m

$439

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Sat 5/9

11:59 pm-1:32 pm

1 stop10h 33m

San Juan Luis Munoz Marin Intl

Wed 5/13

7:30 am-11:04 pm

2 stops18h 34m

$440
Quickest round-trip

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Sat 5/16

11:59 pm-1:32 pm

1 stop10h 33m

San Juan Luis Munoz Marin Intl

Mon 5/25

2:37 pm-11:04 pm

1 stop11h 27m

$441

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Tue 7/7

8:51 pm-1:20 pm

1 stop13h 29m

San Juan Luis Munoz Marin Intl

Tue 7/14

9:10 pm-9:11 am

1 stop15h 01m

$442

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Sun 5/17

6:00 am-11:57 pm

2 stops38h 57m

San Juan Luis Munoz Marin Intl

Fri 6/12

5:15 pm-7:26 pm

1 stop29h 11m

$444

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Fri 8/14

8:51 pm-1:20 pm

1 stop13h 29m

San Juan Luis Munoz Marin Intl

Sun 8/16

3:06 am-10:15 am

1 stop10h 09m

$446

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Fri 5/15

11:59 pm-1:32 pm

1 stop10h 33m

San Juan Luis Munoz Marin Intl

Thu 6/11

7:30 am-8:51 am

2 stops28h 21m

$447

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Mon 8/10

12:24 am-2:11 am

2 stops22h 47m

San Juan Luis Munoz Marin Intl

Sat 8/22

6:10 am-10:57 pm

1 stop19h 47m

$448

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Juan from

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 typical price of a round-trip flight between San Francisco and San Juan Luis Munoz Marin Intl Airport?

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 September is also cheap. Prices for this month can be found on momondo for an average of $442.

How far in advance should I book a flight from San Francisco 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 $501 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 $424 on momondo.

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

As of April 2026, prices for San Francisco to San Juan Luis Munoz Marin Intl Airport flights are approximately 18% 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

Fastest flight time

10h 26m

Direct flights

None
The fastest flight from San Francisco to San Juan Luis Munoz Marin Intl Airport takes 10h 26m
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.
Search flight deals

Frequently asked questions about flying from San Francisco to San Juan Luis Munoz Marin Intl Airport

  • How far is San Francisco to San Juan Luis Munoz Marin Intl by plane?

    San Francisco and San Juan Luis Munoz Marin Intl are 3625.1 mi apart from one another. Flights usually cover this in 10h 26m, 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 $135Free CancellationRating
5.6
2,971 reviews
Search Frontier flights
DeltaPriceFrom $184Free CancellationRating
7.9
8,464 reviews
Search Delta flights
Sun Country AirPriceFrom $222Free CancellationRating
6.8
337 reviews
Search Sun Country Air flights
JetBluePriceFrom $274Free CancellationRating
7.1
2,967 reviews
Search JetBlue flights
Alaska AirlinesPriceFrom $329Free CancellationRating
7.9
12,303 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $359Free CancellationRating
7.4
9,672 reviews
Search United Airlines flights
American AirlinesPriceFrom $359Free CancellationRating
7.1
11,671 reviews
Search American Airlines flights
SouthwestPriceFrom $412Free CancellationRating
8.0
4,313 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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