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Cheap flights from San Francisco to San Juan from $178

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 3/5. 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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Find the cheapest flights from San Francisco to San Juan

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:58 pm - 3:06 pm
SFO
-
SJU
12h 08m
1 stop
Multiple Airlines Logo
8:49 pm - 9:29 am
SJU
-
SFO
16h 40m
1 stop
$328Multiple Airlines
Mon, Feb 23 - Sat, Feb 28
Multiple Airlines Logo
10:34 pm - 4:21 pm
SFO
-
SJU
13h 47m
1 stop
Multiple Airlines Logo
8:49 pm - 9:29 am
SJU
-
SFO
16h 40m
1 stop
$330Multiple Airlines
Fri, Feb 20 - Wed, Feb 25
Multiple Airlines Logo
10:03 pm - 11:20 am
SFO
-
SJU
10h 17m
1 stop
Multiple Airlines Logo
8:00 pm - 9:23 am
SJU
-
SFO
16h 23m
1 stop
$333Multiple Airlines
Thu, Apr 9 - Mon, Apr 13
JetBlue Logo
10:39 pm - 10:14 pm
SFO
-
SJU
19h 35m
1 stop
JetBlue Logo
5:12 pm - 9:29 am
SJU
-
SFO
20h 17m
1 stop
$334JetBlue
Mon, Feb 23 - Mon, Mar 2
Frontier Logo
10:58 pm - 1:24 am
SFO
-
SJU
22h 26m
2 stops
Frontier Logo
2:54 am - 10:21 pm
SJU
-
SFO
23h 27m
2 stops
$337Frontier
Mon, Feb 23 - Fri, Feb 27
JetBlue Logo
12:15 pm - 1:42 am
SFO
-
SJU
10h 27m
1 stop
JetBlue Logo
7:50 am - 10:12 am
SJU
-
SFO
29h 22m
1 stop
$338JetBlue
Fri, Mar 20 - Tue, Mar 31
Multiple Airlines Logo
10:38 pm - 11:36 am
SFO
-
SJU
9h 58m
1 stop
Multiple Airlines Logo
3:26 am - 1:47 pm
SJU
-
SFO
13h 21m
1 stop
$342Multiple Airlines
Sun, Mar 15 - Wed, Mar 18
Multiple Airlines Logo
10:58 pm - 3:06 pm
SFO
-
SJU
12h 08m
1 stop
Multiple Airlines Logo
5:45 am - 9:29 am
SJU
-
SFO
31h 44m
1 stop
$343Multiple Airlines
Mon, Feb 23 - Sat, Feb 28
Multiple Airlines Logo
10:55 pm - 11:09 pm
SFO
-
SJU
20h 14m
2 stops
Multiple Airlines Logo
7:44 pm - 9:33 am
SJU
-
SFO
17h 49m
1 stop
$344Multiple Airlines
Tue, Feb 17 - Thu, Feb 19
Frontier Logo
10:58 pm - 3:06 pm
SFO
-
SJU
12h 08m
1 stop
Frontier Logo
6:00 am - 10:21 pm
SJU
-
SFO
20h 21m
2 stops
$345Frontier
Mon, Feb 23 - Sat, Feb 28

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
Feb 23
SFO10:58 pmSan Francisco
22h 26m
2 stops
SJU1:24 amSan Juan Luis Munoz Marin Intl
Feb 27
SJU2:54 amSan Juan Luis Munoz Marin Intl
23h 27m
2 stops
SFO10:21 pmSan Francisco
$337
Frontier
Feb 23
SFO10:58 pmSan Francisco
12h 08m
1 stop
SJU3:06 pmSan Juan Luis Munoz Marin Intl
Feb 28
SJU6:00 amSan Juan Luis Munoz Marin Intl
20h 21m
2 stops
SFO10:21 pmSan Francisco
$345
Frontier
Feb 21
SFO6:15 amSan Francisco
14h 50m
2 stops
SJU1:05 amSan Juan Luis Munoz Marin Intl
Feb 26
SJU4:11 pmSan Juan Luis Munoz Marin Intl
33h 28m
1 stop
SFO9:39 pmSan Francisco
$346

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
Feb 24
SFO6:20 amSan Francisco
13h 11m
2 stops
SJU11:31 pmSan Juan Luis Munoz Marin Intl
Mar 4
SJU2:23 pmSan Juan Luis Munoz Marin Intl
12h 47m
2 stops
SFO11:10 pmSan Francisco
$360
American Airlines
Feb 8
SFO12:17 amSan Francisco
18h 09m
1 stop
SJU10:26 pmSan Juan Luis Munoz Marin Intl
Feb 10
SJU6:00 amSan Juan Luis Munoz Marin Intl
15h 24m
2 stops
SFO5:24 pmSan Francisco
$378
American Airlines
Feb 7
SFO7:01 pmSan Francisco
11h 47m
2 stops
SJU10:48 amSan Juan Luis Munoz Marin Intl
Feb 18
SJU10:20 amSan Juan Luis Munoz Marin Intl
16h 29m
1 stop
SFO10:49 pmSan Francisco
$383

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 January 20, 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

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Mon 2/23

10:58 pm-3:06 pm

1 stop12h 08m

San Juan Luis Munoz Marin Intl

Sat 2/28

8:49 pm-9:29 am

1 stop16h 40m

$328

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Fri 2/20

10:34 pm-4:21 pm

1 stop13h 47m

San Juan Luis Munoz Marin Intl

Wed 2/25

8:49 pm-9:29 am

1 stop16h 40m

$330

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Thu 4/9

10:03 pm-11:20 am

1 stop10h 17m

San Juan Luis Munoz Marin Intl

Mon 4/13

8:00 pm-9:23 am

1 stop16h 23m

$333

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Mon 2/23

10:39 pm-10:14 pm

1 stop19h 35m

San Juan Luis Munoz Marin Intl

Mon 3/2

5:12 pm-9:29 am

1 stop20h 17m

$334

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Mon 2/23

10:58 pm-1:24 am

2 stops22h 26m

San Juan Luis Munoz Marin Intl

Fri 2/27

2:54 am-10:21 pm

2 stops23h 27m

$337

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Fri 3/20

12:15 pm-1:42 am

1 stop10h 27m

San Juan Luis Munoz Marin Intl

Tue 3/31

7:50 am-10:12 am

1 stop29h 22m

$338

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Sun 3/15

10:38 pm-11:36 am

1 stop9h 58m

San Juan Luis Munoz Marin Intl

Wed 3/18

3:26 am-1:47 pm

1 stop13h 21m

$342

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Mon 2/23

10:58 pm-3:06 pm

1 stop12h 08m

San Juan Luis Munoz Marin Intl

Sat 2/28

5:45 am-9:29 am

1 stop31h 44m

$343

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Tue 2/17

10:55 pm-11:09 pm

2 stops20h 14m

San Juan Luis Munoz Marin Intl

Thu 2/19

7:44 pm-9:33 am

1 stop17h 49m

$344

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Mon 2/23

10:58 pm-3:06 pm

1 stop12h 08m

San Juan Luis Munoz Marin Intl

Sat 2/28

6:00 am-10:21 pm

2 stops20h 21m

$345

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 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 October is also cheap. Prices for this month can be found on momondo for an average of $439.

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 $487 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 $442 on momondo.

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

As of January 2026, prices for San Francisco to San Juan Luis Munoz Marin Intl Airport flights are approximately 24% 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

9h 30m

Direct flights

None
The fastest flight from San Francisco to San Juan Luis Munoz Marin Intl Airport takes 9h 30m
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

  • 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 9h 30m, 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 $152Free CancellationRating
5.7
3,056 reviews
Search Frontier flights
DeltaPriceFrom $172Free CancellationRating
7.9
8,080 reviews
Search Delta flights
Sun Country AirPriceFrom $250Free CancellationRating
6.9
342 reviews
Search Sun Country Air flights
JetBluePriceFrom $284Free CancellationRating
7.2
2,892 reviews
Search JetBlue flights
American AirlinesPriceFrom $350Free CancellationRating
7.2
11,166 reviews
Search American Airlines flights
United AirlinesPriceFrom $360Free CancellationRating
7.4
9,183 reviews
Search United Airlines flights
SouthwestPriceFrom $398Free CancellationRating
8.0
4,266 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
Humacao
Caguas
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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