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Cheap flights from San Francisco to Puerto Rico from $174

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 4/6. 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.
Frontier Logo
10:38 pm - 2:08 pm
SFO
-
SJU
12h 30m
1 stop
Frontier Logo
10:53 am - 4:52 pm
SJU
-
SFO
32h 59m
2 stops
$352Frontier
Sat, May 2 - Wed, May 6
Multiple Airlines Logo
11:16 pm - 12:23 pm
SFO
-
SJU
34h 07m
2 stops
Multiple Airlines Logo
3:23 pm - 5:34 pm
SJU
-
SFO
29h 11m
1 stop
$354Multiple Airlines
Fri, Apr 24 - Fri, May 1
Frontier Logo
10:03 pm - 12:52 am
SFO
-
SJU
23h 49m
1 stop
Frontier Logo
10:54 am - 9:39 pm
SJU
-
SFO
37h 45m
2 stops
$356Frontier
Tue, Apr 7 - Wed, Apr 15
Multiple Airlines Logo
10:38 pm - 2:08 pm
SFO
-
SJU
12h 30m
1 stop
Multiple Airlines Logo
11:25 pm - 10:05 am
SJU
-
SFO
13h 40m
1 stop
$357Multiple Airlines
Sat, Apr 18 - Tue, Apr 21
Multiple Airlines Logo
10:23 pm - 7:50 pm
SFO
-
SJU
18h 27m
1 stop
Multiple Airlines Logo
10:53 am - 11:25 pm
SJU
-
SFO
39h 32m
2 stops
$358Multiple Airlines
Wed, Apr 8 - Tue, Apr 14
JetBlue Logo
7:01 am - 10:51 pm
SFO
-
SJU
12h 50m
1 stop
JetBlue Logo
3:26 am - 2:13 pm
SJU
-
SFO
13h 47m
1 stop
$359JetBlue
Tue, Mar 17 - Tue, Mar 17
Frontier Logo
10:03 pm - 7:59 pm
SFO
-
SJU
18h 56m
2 stops
Frontier Logo
3:18 pm - 4:54 pm
SJU
-
SFO
28h 36m
1 stop
$360Frontier
Mon, Apr 6 - Thu, Apr 16
JetBlue Logo
9:30 pm - 12:00 pm
SFO
-
SJU
11h 30m
1 stop
JetBlue Logo
11:25 pm - 10:29 am
SJU
-
SFO
14h 04m
1 stop
$365JetBlue
Mon, May 4 - Fri, May 8
United Airlines Logo
5:00 am - 11:09 pm
SFO
-
BQN
15h 09m
2 stops
United Airlines Logo
12:15 am - 9:59 am
BQN
-
SFO
12h 44m
1 stop
$482United Airlines
Tue, May 19 - Sat, May 23
United Airlines Logo
11:20 pm - 4:13 pm
SFO
-
CPX
13h 53m
2 stops
United Airlines Logo
10:30 am - 11:59 pm
CPX
-
SFO
16h 29m
2 stops
$1,961United Airlines
Fri, Apr 3 - Mon, Apr 6

Delta flights from San Francisco to Puerto Rico

Our best Delta deals on San Francisco to Puerto Rico flight tickets
Delta
Apr 13
SFO11:39 pmSan Francisco
9h 06m
1 stop
SJU11:45 amSan Juan Luis Munoz Marin Intl
Apr 21
SJU6:15 amSan Juan Luis Munoz Marin Intl
13h 42m
1 stop
SFO4:57 pmSan Francisco
$370
Delta
Apr 10
SFO5:40 amSan Francisco
14h 35m
2 stops
SJU11:15 pmSan Juan Luis Munoz Marin Intl
Apr 18
SJU12:55 pmSan Juan Luis Munoz Marin Intl
12h 52m
1 stop
SFO10:47 pmSan Francisco
$390
Delta
Mar 3
SFO8:00 amSan Francisco
11h 58m
1 stop
SJU11:58 pmSan Juan Luis Munoz Marin Intl
Mar 10
SJU7:30 amSan Juan Luis Munoz Marin Intl
14h 49m
1 stop
SFO7:19 pmSan Francisco
$393

JetBlue flights from San Francisco to Puerto Rico

Our best JetBlue deals on San Francisco to Puerto Rico flight tickets
JetBlue
Mar 17
SFO7:01 amSan Francisco
12h 50m
1 stop
SJU10:51 pmSan Juan Luis Munoz Marin Intl
Mar 17
SJU3:26 amSan Juan Luis Munoz Marin Intl
13h 47m
1 stop
SFO2:13 pmSan Francisco
$359
JetBlue
May 4
SFO9:30 pmSan Francisco
11h 30m
1 stop
SJU12:00 pmSan Juan Luis Munoz Marin Intl
May 6
SJU5:01 amSan Juan Luis Munoz Marin Intl
12h 29m
1 stop
SFO2:30 pmSan Francisco
$365
JetBlue
Mar 3
SFO10:39 amSan Francisco
10h 20m
1 stop
SJU12:59 amSan Juan Luis Munoz Marin Intl
Mar 11
SJU3:26 amSan Juan Luis Munoz Marin Intl
11h 51m
1 stop
SFO12:17 pmSan Francisco
$372

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 February 19, 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

Sat 5/2

10:38 pm-2:08 pm

1 stop12h 30m

San Juan Luis Munoz Marin Intl

Wed 5/6

10:53 am-4:52 pm

2 stops32h 59m

$352

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Fri 4/24

11:16 pm-12:23 pm

2 stops34h 07m

San Juan Luis Munoz Marin Intl

Fri 5/1

3:23 pm-5:34 pm

1 stop29h 11m

$354

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Tue 4/7

10:03 pm-12:52 am

1 stop23h 49m

San Juan Luis Munoz Marin Intl

Wed 4/15

10:54 am-9:39 pm

2 stops37h 45m

$356

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Sat 4/18

10:38 pm-2:08 pm

1 stop12h 30m

San Juan Luis Munoz Marin Intl

Tue 4/21

11:25 pm-10:05 am

1 stop13h 40m

$357

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Wed 4/8

10:23 pm-7:50 pm

1 stop18h 27m

San Juan Luis Munoz Marin Intl

Tue 4/14

10:53 am-11:25 pm

2 stops39h 32m

$358

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Tue 3/17

7:01 am-10:51 pm

1 stop12h 50m

San Juan Luis Munoz Marin Intl

Tue 3/17

3:26 am-2:13 pm

1 stop13h 47m

$359

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Mon 4/6

10:03 pm-7:59 pm

2 stops18h 56m

San Juan Luis Munoz Marin Intl

Thu 4/16

3:18 pm-4:54 pm

1 stop28h 36m

$360

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Mon 5/4

9:30 pm-12:00 pm

1 stop11h 30m

San Juan Luis Munoz Marin Intl

Fri 5/8

11:25 pm-10:29 am

1 stop14h 04m

$365

San FranciscoAguadilla

SFO - BQN

SFOBQN

San Francisco

Tue 5/19

5:00 am-11:09 pm

2 stops15h 09m

Aguadilla Borinquen

Sat 5/23

12:15 am-9:59 am

1 stop12h 44m

$482

San FranciscoCulebra

SFO - CPX

SFOCPX

San Francisco

Fri 4/3

11:20 pm-4:13 pm

2 stops13h 53m

Culebra

Mon 4/6

10:30 am-11:59 pm

2 stops16h 29m

$1,961

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 $443.

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 $422 on momondo.

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

You could potentially save up to 45% 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

8h 52m

Direct flights

None
The fastest flight from San Francisco to Puerto Rico takes 8h 52m
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 $159Free CancellationRating
5.7
3,047 reviews
Search Frontier flights
DeltaPriceFrom $172Free CancellationRating
7.9
8,215 reviews
Search Delta flights
Sun Country AirPriceFrom $222Free CancellationRating
6.8
341 reviews
Search Sun Country Air flights
JetBluePriceFrom $272Free CancellationRating
7.2
2,901 reviews
Search JetBlue flights
Alaska AirlinesPriceFrom $329Free CancellationRating
8.0
11,905 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $358Free CancellationRating
7.2
11,321 reviews
Search American Airlines flights
United AirlinesPriceFrom $359Free CancellationRating
7.4
9,322 reviews
Search United Airlines flights
SouthwestPriceFrom $398Free CancellationRating
8.0
4,295 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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