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Cheap flights from San Francisco to Puerto Rico from $208

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 Puerto Rico departing on 8/6. 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

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Find the cheapest flights from San Francisco to Puerto Rico

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:44 pm - 2:00 pm
SFO
-
SJU
11h 16m
1 stop
Multiple Airlines Logo
6:00 am - 10:29 am
SJU
-
SFO
31h 29m
1 stop
$397Multiple Airlines
Wed, Aug 12 - Wed, Aug 19
Frontier Logo
10:15 pm - 2:15 pm
SFO
-
SJU
13h 00m
1 stop
Frontier Logo
3:06 am - 10:29 am
SJU
-
SFO
10h 23m
1 stop
$416Frontier
Tue, Sep 1 - Wed, Sep 2
Multiple Airlines Logo
8:00 am - 12:10 am
SFO
-
SJU
13h 10m
1 stop
Multiple Airlines Logo
6:00 am - 10:29 am
SJU
-
SFO
31h 29m
1 stop
$417Multiple Airlines
Wed, Aug 12 - Wed, Aug 19
Frontier Logo
8:51 pm - 1:16 pm
SFO
-
SJU
13h 25m
1 stop
Frontier Logo
3:06 am - 10:29 am
SJU
-
SFO
10h 23m
1 stop
$425Frontier
Fri, Sep 4 - Sun, Sep 6
Frontier Logo
10:10 pm - 2:16 pm
SFO
-
SJU
13h 06m
1 stop
Frontier Logo
6:00 am - 10:29 am
SJU
-
SFO
31h 29m
1 stop
$426Frontier
Wed, Aug 12 - Wed, Aug 19
JetBlue Logo
8:00 am - 10:39 pm
SFO
-
SJU
11h 39m
1 stop
JetBlue Logo
3:01 pm - 11:50 pm
SJU
-
SFO
11h 49m
1 stop
$430JetBlue
Wed, Aug 12 - Wed, Aug 19
Multiple Airlines Logo
10:40 pm - 12:45 pm
SFO
-
SJU
11h 05m
1 stop
Multiple Airlines Logo
10:48 pm - 10:29 am
SJU
-
SFO
14h 41m
1 stop
$431Multiple Airlines
Mon, Aug 10 - Mon, Aug 17
JetBlue Logo
6:00 am - 10:39 pm
SFO
-
SJU
13h 39m
1 stop
JetBlue Logo
4:58 pm - 11:50 pm
SJU
-
SFO
9h 52m
1 stop
$442JetBlue
Wed, Aug 12 - Tue, Aug 18
United Airlines Logo
5:00 am - 11:09 pm
SFO
-
BQN
15h 09m
2 stops
United Airlines Logo
12:09 am - 10:19 am
BQN
-
SFO
13h 10m
1 stop
$470United Airlines
Tue, Oct 20 - Fri, Oct 30
United Airlines Logo
5:00 am - 11:09 pm
SFO
-
BQN
15h 09m
2 stops
United Airlines Logo
12:15 am - 11:25 am
BQN
-
SFO
14h 10m
2 stops
$530United Airlines
Sat, Aug 29 - Tue, Sep 1

American Airlines flights from San Francisco to Puerto Rico

Our best American Airlines deals on San Francisco to Puerto Rico flight tickets
American Airlines
Aug 5
SFO3:46 pmSan Francisco
14h 57m
2 stops
SJU9:43 amSan Juan Luis Munoz Marin Intl
Aug 11
SJU7:14 pmSan Juan Luis Munoz Marin Intl
19h 20m
1 stop
SFO11:34 amSan Francisco
$475
American Airlines
Aug 7
SFO5:05 amSan Francisco
15h 54m
1 stop
SJU11:59 pmSan Juan Luis Munoz Marin Intl
Aug 15
SJU3:44 pmSan Juan Luis Munoz Marin Intl
20h 06m
1 stop
SFO8:50 amSan Francisco
$480
American Airlines
Aug 5
SFO5:48 amSan Francisco
12h 26m
2 stops
SJU9:14 pmSan Juan Luis Munoz Marin Intl
Aug 11
SJU6:00 amSan Juan Luis Munoz Marin Intl
19h 51m
1 stop
SFO10:51 pmSan Francisco
$485

Frontier flights from San Francisco to Puerto Rico

Our best Frontier deals on San Francisco to Puerto Rico flight tickets
Frontier
Aug 12
SFO10:10 pmSan Francisco
13h 06m
1 stop
SJU2:16 pmSan Juan Luis Munoz Marin Intl
Aug 19
SJU6:00 amSan Juan Luis Munoz Marin Intl
31h 29m
1 stop
SFO10:29 amSan Francisco
$426
Frontier
Aug 15
SFO11:00 pmSan Francisco
12h 16m
1 stop
SJU2:16 pmSan Juan Luis Munoz Marin Intl
Aug 17
SJU10:48 pmSan Juan Luis Munoz Marin Intl
14h 41m
1 stop
SFO10:29 amSan Francisco
$436
Frontier
Aug 14
SFO10:10 pmSan Francisco
13h 06m
1 stop
SJU2:16 pmSan Juan Luis Munoz Marin Intl
Aug 19
SJU6:00 amSan Juan Luis Munoz Marin Intl
31h 29m
1 stop
SFO10:29 amSan Francisco
$439

momondo Fare Finder

 
Customize your flight search to find flights from San Francisco to Puerto Rico 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 May 22, 2026.
Use the filters below to find and compare flights from San Francisco to Puerto Rico that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Wed 8/12

11:44 pm-2:00 pm

1 stop11h 16m

San Juan Luis Munoz Marin Intl

Wed 8/19

6:00 am-10:29 am

1 stop31h 29m

$397
Quickest round-trip

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Tue 9/1

10:15 pm-2:15 pm

1 stop13h 00m

San Juan Luis Munoz Marin Intl

Wed 9/2

3:06 am-10:29 am

1 stop10h 23m

$416

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Wed 8/12

8:00 am-12:10 am

1 stop13h 10m

San Juan Luis Munoz Marin Intl

Wed 8/19

6:00 am-10:29 am

1 stop31h 29m

$417

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Fri 9/4

8:51 pm-1:16 pm

1 stop13h 25m

San Juan Luis Munoz Marin Intl

Sun 9/6

3:06 am-10:29 am

1 stop10h 23m

$425

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Wed 8/12

10:10 pm-2:16 pm

1 stop13h 06m

San Juan Luis Munoz Marin Intl

Wed 8/19

6:00 am-10:29 am

1 stop31h 29m

$426

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Wed 8/12

8:00 am-10:39 pm

1 stop11h 39m

San Juan Luis Munoz Marin Intl

Wed 8/19

3:01 pm-11:50 pm

1 stop11h 49m

$430

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Mon 8/10

10:40 pm-12:45 pm

1 stop11h 05m

San Juan Luis Munoz Marin Intl

Mon 8/17

10:48 pm-10:29 am

1 stop14h 41m

$431

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Wed 8/12

6:00 am-10:39 pm

1 stop13h 39m

San Juan Luis Munoz Marin Intl

Tue 8/18

4:58 pm-11:50 pm

1 stop9h 52m

$442

San FranciscoAguadilla

SFO - BQN

SFOBQN

San Francisco

Tue 10/20

5:00 am-11:09 pm

2 stops15h 09m

Aguadilla Borinquen

Fri 10/30

12:09 am-10:19 am

1 stop13h 10m

$470

San FranciscoAguadilla

SFO - BQN

SFOBQN

San Francisco

Sat 8/29

5:00 am-11:09 pm

2 stops15h 09m

Aguadilla Borinquen

Tue 9/1

12:15 am-11:25 am

2 stops14h 10m

$530

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 Puerto Rico from

How to get the cheapest flight ticket from San Francisco to Puerto Rico

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 Puerto Rico?

If you don’t want to visit Puerto Rico in May, then you should wait until April to fly from San Francisco, when ticket prices are also cheap, with an average price of $122.

How far in advance should I book a flight from San Francisco to Puerto Rico?

You are more likely to see cheaper flights to Puerto Rico from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Puerto Rico for around $510 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Puerto Rico from San Francisco for as low as $447 on momondo.

Can stopping save me money on San Francisco to Puerto Rico flights?

You could potentially save up to 27% on your flight if you consider stops on a San Francisco to Puerto Rico flight.

Cheap San Francisco to Puerto Rico flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Francisco to Puerto Rico

Fastest flight time

9h 49m

Direct flights

None
The fastest flight from San Francisco to Puerto Rico takes 9h 49m
There are no direct flights from San Francisco to Puerto Rico. There are no popular flight routes from San Francisco to Puerto Rico.
Search flight deals

Frequently asked questions about flying from San Francisco to Puerto Rico

  • When did momondo last update prices for flights from San Francisco Airport to Puerto Rico?

    Prices for flights from San Francisco Airport to Puerto Rico are refreshed on a daily basis.

  • How many operators does momondo search for flights from San Francisco Airport to Puerto Rico?

  • How old do you have to be to fly from San Francisco Airport to Puerto Rico?

    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 Puerto Rico.

  • What documentation or ID do you need to fly to Puerto Rico?

    The travel and health documents required for your trip to Puerto Rico can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Puerto Rico. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from San Francisco to Puerto Rico

Compare and see reviews for airlines that fly from San Francisco to Puerto Rico with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $134Free CancellationRating
5.6
2,943 reviews
Search Frontier flights
DeltaPriceFrom $185Free CancellationRating
7.9
8,445 reviews
Search Delta flights
Sun Country AirPriceFrom $222Free CancellationRating
6.8
334 reviews
Search Sun Country Air flights
JetBluePriceFrom $279Free CancellationRating
7.2
2,981 reviews
Search JetBlue flights
Alaska AirlinesPriceFrom $351Free CancellationRating
7.9
12,399 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $359Free CancellationRating
7.4
9,752 reviews
Search United Airlines flights
American AirlinesPriceFrom $360Free CancellationRating
7.1
11,646 reviews
Search American Airlines flights
SouthwestPriceFrom $412Free CancellationRating
7.9
4,277 reviews
Search Southwest flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from San Francisco to Puerto Rico. momondo saves you time and could save you money on your trip.

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

Flights from San Francisco to Puerto Rico 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 Puerto Rico?

Once all potential San Francisco to Puerto Rico flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

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

An easier way to manage your Puerto Rico trip

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