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Cheap flights from San Francisco to San Juan from $170

1 adult
1 adult, Economy, 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
9:56 am - 5:13 amSFO  San Francisco-SJU San Juan Luis Munoz Marin Intl
15h 17m1 stop Dallas/Fort Worth
Frontier Logo
5:01 am - 3:33 pmSJU  San Juan Luis Munoz Marin Intl-SFO San Francisco
14h 32m1 stop Atlanta Hartsfield-Jackson
$410Frontier
Tue, Nov 24 - Wed, Dec 9
Frontier Logo
7:14 pm - 12:59 amSFO  San Francisco-SJU San Juan Luis Munoz Marin Intl
25h 45m2 stops Las Vegas Harry Reid Intl Atlanta Hartsfield-Jackson
Frontier Logo
5:01 am - 3:34 pmSJU  San Juan Luis Munoz Marin Intl-SFO San Francisco
14h 33m1 stop Atlanta Hartsfield-Jackson
$412Frontier
Tue, Nov 17 - Wed, Dec 2
Multiple Airlines Logo
10:14 pm - 4:06 pmSFO  San Francisco-SJU San Juan Luis Munoz Marin Intl
14h 52m1 stop Atlanta Hartsfield-Jackson
Multiple Airlines Logo
6:25 am - 10:34 pmSJU  San Juan Luis Munoz Marin Intl-SFO San Francisco
19h 09m1 stop Fort Lauderdale
$457Multiple Airlines
Tue, Oct 20 - Tue, Oct 27
Multiple Airlines Logo
10:14 pm - 4:06 pmSFO  San Francisco-SJU San Juan Luis Munoz Marin Intl
14h 52m1 stop Atlanta Hartsfield-Jackson
Multiple Airlines Logo
6:25 am - 10:34 pmSJU  San Juan Luis Munoz Marin Intl-SFO San Francisco
19h 09m1 stop Fort Lauderdale
$459Multiple Airlines
Tue, Oct 20 - Tue, Oct 27
JetBlue Logo
6:00 am - 8:48 pmSFO  San Francisco-SJU San Juan Luis Munoz Marin Intl
10h 48m1 stop New York John F Kennedy Intl
JetBlue Logo
7:00 am - 3:06 pmSJU  San Juan Luis Munoz Marin Intl-SFO San Francisco
12h 06m1 stop New York John F Kennedy Intl
$510JetBlue
Tue, Nov 10 - Wed, Nov 18
JetBlue Logo
6:00 am - 8:48 pmSFO  San Francisco-SJU San Juan Luis Munoz Marin Intl
10h 48m1 stop New York John F Kennedy Intl
JetBlue Logo
7:00 am - 3:06 pmSJU  San Juan Luis Munoz Marin Intl-SFO San Francisco
12h 06m1 stop New York John F Kennedy Intl
$510JetBlue
Mon, Nov 2 - Wed, Nov 18
American Airlines Logo
11:39 am - 9:46 amSFO  San Francisco-SJU San Juan Luis Munoz Marin Intl
19h 07m1 stop Miami
American Airlines Logo
6:00 am - 1:10 pmSJU  San Juan Luis Munoz Marin Intl-SFO San Francisco
10h 10m1 stop Dallas/Fort Worth
$543American Airlines
Thu, Oct 22 - Thu, Oct 29
American Airlines Logo
9:46 am - 11:59 pmSFO  San Francisco-SJU San Juan Luis Munoz Marin Intl
10h 13m1 stop Philadelphia
American Airlines Logo
11:35 am - 10:47 pmSJU  San Juan Luis Munoz Marin Intl-SFO San Francisco
15h 12m1 stop Miami
$545American Airlines
Mon, Nov 16 - Tue, Nov 17
Southwest Logo
7:20 am - 10:00 pmSFO  San Francisco-SJU San Juan Luis Munoz Marin Intl
10h 40m2 stops San Diego Tampa
Southwest Logo
5:45 am - 3:30 pmSJU  San Juan Luis Munoz Marin Intl-SFO San Francisco
13h 45m2 stops Orlando Nashville Intl
$545Southwest
Wed, Jan 20 - Wed, Jan 27
Southwest Logo
7:20 am - 10:00 pmSFO  San Francisco-SJU San Juan Luis Munoz Marin Intl
10h 40m2 stops San Diego Tampa
Southwest Logo
5:35 am - 2:50 pmSJU  San Juan Luis Munoz Marin Intl-SFO San Francisco
13h 15m2 stops Orlando Austin Bergstrom
$545Southwest
Mon, Jan 25 - Sat, Feb 6

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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 24
SFO9:56 amSan Francisco
15h 17m
1 stop
SJU5:13 amSan Juan Luis Munoz Marin Intl
Dec 9
SJU5:01 amSan Juan Luis Munoz Marin Intl
14h 32m
1 stop
SFO3:33 pmSan Francisco
$410
Frontier
Nov 3
SFO3:05 pmSan Francisco
15h 10m
2 stops
SJU10:15 amSan Juan Luis Munoz Marin Intl
Nov 12
SJU3:59 pmSan Juan Luis Munoz Marin Intl
32h 41m
1 stop
SFO8:40 pmSan Francisco
$412
Frontier
Nov 24
SFO9:56 amSan Francisco
15h 17m
1 stop
SJU5:13 amSan Juan Luis Munoz Marin Intl
Dec 3
SJU5:01 amSan Juan Luis Munoz Marin Intl
14h 33m
1 stop
SFO3:34 pmSan Francisco
$413

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
Oct 10
SFO11:10 pmSan Francisco
13h 13m
1 stop
SJU3:23 pmSan Juan Luis Munoz Marin Intl
Oct 14
SJU6:10 amSan Juan Luis Munoz Marin Intl
20h 57m
1 stop
SFO12:07 amSan Francisco
$548
JetBlue
Oct 11
SFO11:10 pmSan Francisco
30h 54m
1 stop
SJU9:04 amSan Juan Luis Munoz Marin Intl
Oct 16
SJU4:40 pmSan Juan Luis Munoz Marin Intl
19h 40m
1 stop
SFO9:20 amSan Francisco
$613
JetBlue
Oct 10
SFO11:10 pmSan Francisco
11h 17m
1 stop
SJU1:27 pmSan Juan Luis Munoz Marin Intl
Oct 13
SJU4:40 pmSan Juan Luis Munoz Marin Intl
10h 27m
1 stop
SFO12:07 amSan Francisco
$645

momondo Fare Finder

 
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 San Francisco - SJU San Juan Luis Munoz Marin Intl

SFOSJU

San Francisco

Tue 11/24

9:56 am-5:13 am

1 stop15h 17m

San Juan Luis Munoz Marin Intl

Wed 12/9

5:01 am-3:33 pm

1 stop14h 32m

$410

San FranciscoSan Juan

SFO San Francisco - SJU San Juan Luis Munoz Marin Intl

SFOSJU

San Francisco

Tue 11/17

7:14 pm-12:59 am

2 stops25h 45m

San Juan Luis Munoz Marin Intl

Wed 12/2

5:01 am-3:34 pm

1 stop14h 33m

$412

San FranciscoSan Juan

SFO San Francisco - SJU San Juan Luis Munoz Marin Intl

SFOSJU

San Francisco

Tue 10/20

10:14 pm-4:06 pm

1 stop14h 52m

San Juan Luis Munoz Marin Intl

Tue 10/27

6:25 am-10:34 pm

1 stop19h 09m

$457

San FranciscoSan Juan

SFO San Francisco - SJU San Juan Luis Munoz Marin Intl

SFOSJU

San Francisco

Tue 10/20

10:14 pm-4:06 pm

1 stop14h 52m

San Juan Luis Munoz Marin Intl

Tue 10/27

6:25 am-10:34 pm

1 stop19h 09m

$459
Quickest round-trip

San FranciscoSan Juan

SFO San Francisco - SJU San Juan Luis Munoz Marin Intl

SFOSJU

San Francisco

Tue 11/10

6:00 am-8:48 pm

1 stop10h 48m

San Juan Luis Munoz Marin Intl

Wed 11/18

7:00 am-3:06 pm

1 stop12h 06m

$510

San FranciscoSan Juan

SFO San Francisco - SJU San Juan Luis Munoz Marin Intl

SFOSJU

San Francisco

Mon 11/2

6:00 am-8:48 pm

1 stop10h 48m

San Juan Luis Munoz Marin Intl

Wed 11/18

7:00 am-3:06 pm

1 stop12h 06m

$510

San FranciscoSan Juan

SFO San Francisco - SJU San Juan Luis Munoz Marin Intl

SFOSJU

San Francisco

Thu 10/22

11:39 am-9:46 am

1 stop19h 07m

San Juan Luis Munoz Marin Intl

Thu 10/29

6:00 am-1:10 pm

1 stop10h 10m

$543

San FranciscoSan Juan

SFO San Francisco - SJU San Juan Luis Munoz Marin Intl

SFOSJU

San Francisco

Mon 11/16

9:46 am-11:59 pm

1 stop10h 13m

San Juan Luis Munoz Marin Intl

Tue 11/17

11:35 am-10:47 pm

1 stop15h 12m

$545

San FranciscoSan Juan

SFO San Francisco - SJU San Juan Luis Munoz Marin Intl

SFOSJU

San Francisco

Wed 1/20

7:20 am-10:00 pm

2 stops10h 40m

San Juan Luis Munoz Marin Intl

Wed 1/27

5:45 am-3:30 pm

2 stops13h 45m

$545

San FranciscoSan Juan

SFO San Francisco - SJU San Juan Luis Munoz Marin Intl

SFOSJU

San Francisco

Mon 1/25

7:20 am-10:00 pm

2 stops10h 40m

San Juan Luis Munoz Marin Intl

Sat 2/6

5:35 am-2:50 pm

2 stops13h 15m

$545

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?

Prices are currently low for flights on this route.

Typical prices usually range from $450 to $583.
The lowest price recently found on this route was $410.

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 January, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $496.

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 $556 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 $420 on momondo.

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

As of September 2026, prices for San Francisco to San Juan Luis Munoz Marin Intl Airport flights are approximately 42% 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

Best Price Found

$170

Fastest flight time

9h 43m

Direct flights

None
The best one-way flight to San Juan Luis Munoz Marin Intl Airport from San Francisco in the past 72 hours is $170. The best round-trip flight deal from San Francisco to San Juan Luis Munoz Marin Intl Airport found on momondo in the last 72 hours is $410.
The fastest flight from San Francisco to San Juan Luis Munoz Marin Intl Airport takes 9h 43m
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 9h 43m, 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 $122Free CancellationRating
5.6
2,569 reviews
Search Frontier flights
DeltaPriceFrom $222Free CancellationRating
7.8
8,605 reviews
Search Delta flights
JetBluePriceFrom $317Free CancellationRating
7.1
3,039 reviews
Search JetBlue flights
United AirlinesPriceFrom $348Free CancellationRating
7.4
10,245 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $351Free CancellationRating
7.9
12,985 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $370Free CancellationRating
7.0
12,096 reviews
Search American Airlines flights
SouthwestPriceFrom $414Free CancellationRating
8.0
4,202 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
Rio Grande
Humacao
Caguas
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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