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Cheap flights from San Francisco to Puerto Rico 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 Puerto Rico departing on 2/25. 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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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
10:58 pm - 2:22 pm
SFO
-
SJU
11h 24m1 stop
Multiple Airlines Logo
3:53 am - 12:28 am
SJU
-
SFO
48h 35m2 stops
$313Multiple Airlines
Tue, Feb 24 - Mon, Mar 2
Multiple Airlines Logo
10:28 am - 11:37 am
SFO
-
SJU
21h 09m1 stop
Multiple Airlines Logo
6:00 am - 7:20 am
SJU
-
SFO
29h 20m2 stops
$315Multiple Airlines
Fri, Feb 20 - Wed, Feb 25
Multiple Airlines Logo
10:58 pm - 3:06 pm
SFO
-
SJU
12h 08m1 stop
Multiple Airlines Logo
1:53 pm - 11:59 pm
SJU
-
SFO
14h 06m1 stop
$317Multiple Airlines
Mon, Feb 23 - Thu, Feb 26
Multiple Airlines Logo
4:03 pm - 11:37 am
SFO
-
SJU
15h 34m1 stop
Multiple Airlines Logo
3:08 am - 9:19 pm
SJU
-
SFO
21h 11m2 stops
$318Multiple Airlines
Mon, Feb 23 - Tue, Mar 10
JetBlue Logo
10:39 am - 12:59 am
SFO
-
SJU
10h 20m1 stop
JetBlue Logo
5:10 am - 4:56 pm
SJU
-
SFO
15h 46m1 stop
$319JetBlue
Tue, Feb 24 - Tue, Mar 3
Frontier Logo
11:16 pm - 3:40 pm
SFO
-
SJU
12h 24m1 stop
Frontier Logo
10:04 am - 9:38 pm
SJU
-
SFO
38h 34m2 stops
$322Frontier
Sat, Feb 28 - Mon, Mar 9
JetBlue Logo
7:00 am - 12:44 am
SFO
-
BQN
13h 44m1 stop
JetBlue Logo
3:35 pm - 11:12 pm
BQN
-
SFO
10h 37m1 stop
$325JetBlue
Thu, Feb 26 - Thu, Mar 12
Frontier Logo
11:00 pm - 3:08 pm
SFO
-
SJU
12h 08m1 stop
Frontier Logo
8:53 pm - 8:03 am
SJU
-
SFO
39h 10m2 stops
$325Frontier
Sat, Feb 21 - Sat, Feb 28
United Airlines Logo
5:00 am - 11:57 pm
SFO
-
BQN
14h 57m2 stops
United Airlines Logo
1:09 am - 10:55 am
BQN
-
SFO
13h 46m1 stop
$393United Airlines
Sat, Jan 24 - Wed, Feb 11
United Airlines Logo
5:00 am - 11:57 pm
SFO
-
BQN
14h 57m2 stops
United Airlines Logo
1:09 am - 12:10 pm
BQN
-
SFO
15h 01m2 stops
$448United Airlines
Thu, Jan 29 - Mon, Feb 2

JetBlue flights from San Francisco to Puerto Rico

Our best JetBlue deals on San Francisco to Puerto Rico flight tickets
JetBlue
Feb 24
SFO10:39 amSan Francisco
10h 20m
1 stop
SJU12:59 amSan Juan Luis Munoz Marin Intl
Mar 3
SJU5:10 amSan Juan Luis Munoz Marin Intl
15h 46m
1 stop
SFO4:56 pmSan Francisco
$319
JetBlue
Feb 26
SFO7:00 amSan Francisco
13h 44m
1 stop
BQN12:44 amAguadilla Borinquen
Mar 12
BQN3:35 pmAguadilla Borinquen
10h 37m
1 stop
SFO11:12 pmSan Francisco
$325
JetBlue
Feb 24
SFO12:45 pmSan Francisco
11h 06m
1 stop
SJU3:51 amSan Juan Luis Munoz Marin Intl
Mar 3
SJU5:10 amSan Juan Luis Munoz Marin Intl
22h 47m
1 stop
SFO11:57 pmSan Francisco
$330

American Airlines flights from San Francisco to Puerto Rico

Our best American Airlines deals on San Francisco to Puerto Rico flight tickets
American Airlines
Feb 2
SFO10:59 pmSan Francisco
9h 28m
1 stop
SJU12:27 pmSan Juan Luis Munoz Marin Intl
Feb 9
SJU5:51 pmSan Juan Luis Munoz Marin Intl
21h 12m
1 stop
SFO11:03 amSan Francisco
$340
American Airlines
Feb 6
SFO12:17 amSan Francisco
12h 44m
2 stops
SJU5:01 pmSan Juan Luis Munoz Marin Intl
Feb 9
SJU5:51 pmSan Juan Luis Munoz Marin Intl
21h 12m
1 stop
SFO11:03 amSan Francisco
$341
American Airlines
Jan 23
SFO12:17 amSan Francisco
10h 43m
1 stop
SJU3:00 pmSan Juan Luis Munoz Marin Intl
Jan 29
SJU3:54 pmSan Juan Luis Munoz Marin Intl
11h 18m
1 stop
SFO11:12 pmSan Francisco
$363

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 January 8, 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

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Tue 2/24

10:58 pm-2:22 pm

1 stop11h 24m

San Juan Luis Munoz Marin Intl

Mon 3/2

3:53 am-12:28 am

2 stops48h 35m

$313

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Fri 2/20

10:28 am-11:37 am

1 stop21h 09m

San Juan Luis Munoz Marin Intl

Wed 2/25

6:00 am-7:20 am

2 stops29h 20m

$315

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

Thu 2/26

1:53 pm-11:59 pm

1 stop14h 06m

$317

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Mon 2/23

4:03 pm-11:37 am

1 stop15h 34m

San Juan Luis Munoz Marin Intl

Tue 3/10

3:08 am-9:19 pm

2 stops21h 11m

$318

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Tue 2/24

10:39 am-12:59 am

1 stop10h 20m

San Juan Luis Munoz Marin Intl

Tue 3/3

5:10 am-4:56 pm

1 stop15h 46m

$319

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Sat 2/28

11:16 pm-3:40 pm

1 stop12h 24m

San Juan Luis Munoz Marin Intl

Mon 3/9

10:04 am-9:38 pm

2 stops38h 34m

$322

San FranciscoAguadilla

SFO - BQN

SFOBQN

San Francisco

Thu 2/26

7:00 am-12:44 am

1 stop13h 44m

Aguadilla Borinquen

Thu 3/12

3:35 pm-11:12 pm

1 stop10h 37m

$325

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Sat 2/21

11:00 pm-3:08 pm

1 stop12h 08m

San Juan Luis Munoz Marin Intl

Sat 2/28

8:53 pm-8:03 am

2 stops39h 10m

$325

San FranciscoAguadilla

SFO - BQN

SFOBQN

San Francisco

Sat 1/24

5:00 am-11:57 pm

2 stops14h 57m

Aguadilla Borinquen

Wed 2/11

1:09 am-10:55 am

1 stop13h 46m

$393

San FranciscoAguadilla

SFO - BQN

SFOBQN

San Francisco

Thu 1/29

5:00 am-11:57 pm

2 stops14h 57m

Aguadilla Borinquen

Mon 2/2

1:09 am-12:10 pm

2 stops15h 01m

$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 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 October to fly from San Francisco, when ticket prices are also cheap, with an average price of $439.

How far in advance should I book a flight 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 $487 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 $437 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 45m

Direct flights

None
The fastest flight from San Francisco to Puerto Rico takes 9h 45m
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

  • 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 $160Free CancellationRating
5.7
3,060 reviews
Search Frontier flights
DeltaPriceFrom $240Free CancellationRating
7.9
8,032 reviews
Search Delta flights
Sun Country AirPriceFrom $286Free CancellationRating
6.8
340 reviews
Search Sun Country Air flights
JetBluePriceFrom $289Free CancellationRating
7.2
2,891 reviews
Search JetBlue flights
American AirlinesPriceFrom $349Free CancellationRating
7.2
11,097 reviews
Search American Airlines flights
United AirlinesPriceFrom $367Free CancellationRating
7.4
9,142 reviews
Search United Airlines flights
SouthwestPriceFrom $412Free CancellationRating
8.0
4,250 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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Find better results for your trip to Puerto Rico

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Popular flights according to clicks in the last 7 days on momondo
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