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Cheap flights from San Francisco to Puerto Rico from $134

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 11/1. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
JetBlue Logo
7:00 am - 9:04 pmSFO-BQN
10h 04m1 stop
JetBlue Logo
6:05 am - 1:39 pmBQN-SFO
11h 34m1 stop
$344JetBlue
Find Deal
Tue, Mar 3 - Wed, Mar 4
JetBlue Logo
7:00 am - 9:04 pmSFO-BQN
10h 04m1 stop
JetBlue Logo
6:05 am - 1:39 pmBQN-SFO
11h 34m1 stop
$350JetBlue
Find Deal
Tue, Mar 3 - Thu, Mar 5
Multiple Airlines Logo
9:17 am - 4:39 amSFO-SJU
15h 22m1 stop
Multiple Airlines Logo
3:00 pm - 7:48 amSJU-SFO
44h 48m2 stops
$360Multiple Airlines
Find Deal
Fri, Dec 5 - Sat, Dec 13
Frontier Logo
10:23 pm - 3:19 pmSFO-SJU
12h 56m1 stop
Frontier Logo
6:01 am - 7:23 pmSJU-SFO
17h 22m1 stop
$369Frontier
Find Deal
Thu, Nov 13 - Sat, Nov 22
Frontier Logo
10:23 pm - 3:14 pmSFO-SJU
12h 51m1 stop
Frontier Logo
9:00 am - 10:27 pmSJU-SFO
17h 27m2 stops
$372Frontier
Find Deal
Sun, Nov 9 - Wed, Nov 12
Delta Logo
6:10 am - 9:59 pmSFO-SJU
12h 49m1 stop
Delta Logo
7:00 am - 4:05 pmSJU-SFO
13h 05m2 stops
$380Delta
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Fri, Oct 31 - Wed, Nov 12
American Airlines Logo
7:10 am - 11:52 pmSFO-SJU
12h 42m2 stops
American Airlines Logo
8:00 am - 10:26 pmSJU-SFO
18h 26m1 stop
$389American Airlines
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Wed, Nov 5 - Sat, Nov 15
American Airlines Logo
8:18 am - 11:20 pmSFO-SJU
11h 02m2 stops
American Airlines Logo
2:40 pm - 10:13 pmSJU-SFO
11h 33m1 stop
$396American Airlines
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Wed, Feb 18 - Thu, Feb 26
United Airlines Logo
7:12 am - 8:38 pmSFO-SJU
10h 26m1 stop
United Airlines Logo
7:30 am - 5:50 pmSJU-SFO
13h 20m2 stops
$412United Airlines
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Sat, Oct 18 - Fri, Oct 31
United Airlines Logo
7:16 am - 9:26 pmSFO-SJU
10h 10m1 stop
United Airlines Logo
2:05 am - 10:22 amSJU-SFO
12h 17m1 stop
$426United Airlines
Find Deal
Fri, Nov 14 - Mon, Nov 17

United Airlines flights from San Francisco to Puerto Rico

Our best United Airlines deals on San Francisco to Puerto Rico flight tickets
United Airlines
Oct 18
SFO7:12 amSan Francisco
10h 26m
1 stop
SJU8:38 pmSan Juan Luis Munoz Marin Intl
Oct 31
SJU7:30 amSan Juan Luis Munoz Marin Intl
13h 20m
2 stops
SFO5:50 pmSan Francisco
$412
Find similar
United Airlines
Nov 14
SFO7:16 amSan Francisco
10h 10m
1 stop
SJU9:26 pmSan Juan Luis Munoz Marin Intl
Nov 17
SJU2:05 amSan Juan Luis Munoz Marin Intl
12h 17m
1 stop
SFO10:22 amSan Francisco
$426
Find similar
United Airlines
Jan 14
SFO8:25 amSan Francisco
9h 57m
1 stop
SJU10:22 pmSan Juan Luis Munoz Marin Intl
Jan 20
SJU2:05 amSan Juan Luis Munoz Marin Intl
14h 10m
1 stop
SFO12:15 pmSan Francisco
$430
Find similar

Frontier flights from San Francisco to Puerto Rico

Our best Frontier deals on San Francisco to Puerto Rico flight tickets
Frontier
Nov 13
SFO10:23 pmSan Francisco
12h 56m
1 stop
SJU3:19 pmSan Juan Luis Munoz Marin Intl
Nov 22
SJU6:01 amSan Juan Luis Munoz Marin Intl
17h 22m
1 stop
SFO7:23 pmSan Francisco
$369
Find similar
Frontier
Nov 9
SFO10:23 pmSan Francisco
12h 51m
1 stop
SJU3:14 pmSan Juan Luis Munoz Marin Intl
Nov 12
SJU9:00 amSan Juan Luis Munoz Marin Intl
17h 27m
2 stops
SFO10:27 pmSan Francisco
$372
Find similar
Frontier
Nov 8
SFO10:23 pmSan Francisco
12h 51m
1 stop
SJU3:14 pmSan Juan Luis Munoz Marin Intl
Nov 18
SJU9:00 amSan Juan Luis Munoz Marin Intl
40h 22m
2 stops
SFO9:22 pmSan Francisco
$388
Find similar

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 October 9, 2025.
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 FranciscoAguadilla

SFO - BQN

SFOBQN

San Francisco

Tue 3/3

7:00 am-9:04 pm

1 stop10h 04m

Aguadilla Borinquen

Wed 3/4

6:05 am-1:39 pm

1 stop11h 34m

$344

San FranciscoAguadilla

SFO - BQN

SFOBQN

San Francisco

Tue 3/3

7:00 am-9:04 pm

1 stop10h 04m

Aguadilla Borinquen

Thu 3/5

6:05 am-1:39 pm

1 stop11h 34m

$350

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Fri 12/5

9:17 am-4:39 am

1 stop15h 22m

San Juan Luis Munoz Marin Intl

Sat 12/13

3:00 pm-7:48 am

2 stops44h 48m

$360

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Thu 11/13

10:23 pm-3:19 pm

1 stop12h 56m

San Juan Luis Munoz Marin Intl

Sat 11/22

6:01 am-7:23 pm

1 stop17h 22m

$369

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Sun 11/9

10:23 pm-3:14 pm

1 stop12h 51m

San Juan Luis Munoz Marin Intl

Wed 11/12

9:00 am-10:27 pm

2 stops17h 27m

$372

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Fri 10/31

6:10 am-9:59 pm

1 stop12h 49m

San Juan Luis Munoz Marin Intl

Wed 11/12

7:00 am-4:05 pm

2 stops13h 05m

$380

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Wed 11/5

7:10 am-11:52 pm

2 stops12h 42m

San Juan Luis Munoz Marin Intl

Sat 11/15

8:00 am-10:26 pm

1 stop18h 26m

$389

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Wed 2/18

8:18 am-11:20 pm

2 stops11h 02m

San Juan Luis Munoz Marin Intl

Thu 2/26

2:40 pm-10:13 pm

1 stop11h 33m

$396

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Sat 10/18

7:12 am-8:38 pm

1 stop10h 26m

San Juan Luis Munoz Marin Intl

Fri 10/31

7:30 am-5:50 pm

2 stops13h 20m

$412

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Fri 11/14

7:16 am-9:26 pm

1 stop10h 10m

San Juan Luis Munoz Marin Intl

Mon 11/17

2:05 am-10:22 am

1 stop12h 17m

$426

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 January to fly from San Francisco, when ticket prices are also cheap, with an average price of $438.

What is the cheapest day to depart on your flight to Puerto Rico?

On average, the least expensive day to fly to Puerto Rico from San Francisco is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $456. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Puerto Rico is Friday, with ticket prices averaging around $573.

What is the cheapest time of day to depart on your flight to Puerto Rico?

Our most recent data shows that the best time of day to fly to Puerto Rico is at noon. Flights from San Francisco to Puerto Rico during this time can be as low as $377. In contrast, the most expensive time of day to depart to Puerto Rico is in the morning when prices are around $549.

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 $502 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 $443 on momondo.

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

You could potentially save up to 29% 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

Direct flights

None
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
5.8
3,144 reviews
Search Frontier flights
DeltaPriceFrom $240Free CancellationRating
7.9
7,968 reviews
Search Delta flights
JetBluePriceFrom $307Free CancellationRating
7.2
2,909 reviews
Search JetBlue flights
Sun Country AirPriceFrom $310Free CancellationRating
6.9
335 reviews
Search Sun Country Air flights
American AirlinesPriceFrom $347Free CancellationRating
7.2
11,043 reviews
Search American Airlines flights
United AirlinesPriceFrom $360Free CancellationRating
7.4
8,966 reviews
Search United Airlines flights
SouthwestPriceFrom $412Free CancellationRating
8.0
4,236 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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