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Cheap flights from San Francisco to Puerto Rico from $133

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 9/28. 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

Frontier Logo
11:00 pm - 2:11 pmSFO-SJU
12h 11m1 stop
Frontier Logo
7:15 am - 9:21 pmSJU-SFO
17h 06m1 stop
$278Frontier
Find Deal
sáb., sep. 6 - vie., sep. 12
Delta Logo
6:00 am - 11:17 pmSFO-SJU
13h 17m1 stop
Delta Logo
1:50 pm - 12:16 amSJU-SFO
14h 26m1 stop
$292Delta
Find Deal
lun., nov. 10 - jue., nov. 13
JetBlue Logo
8:15 am - 11:53 pmSFO-SJU
11h 38m1 stop
JetBlue Logo
12:45 pm - 12:14 amSJU-SFO
15h 29m1 stop
$350JetBlue
Find Deal
dom., dic. 7 - jue., dic. 11
JetBlue Logo
8:00 am - 10:04 pmSFO-SJU
10h 04m1 stop
JetBlue Logo
7:00 am - 11:31 pmSJU-SFO
20h 31m1 stop
$351JetBlue
Find Deal
mié., nov. 12 - mar., nov. 18
Southwest Logo
9:05 pm - 12:15 pmSFO-SJU
12h 10m1 stop
Southwest Logo
5:10 am - 5:20 pmSJU-SFO
16h 10m1 stop
$367Southwest
Find Deal
dom., oct. 26 - dom., nov. 2
American Airlines Logo
10:55 am - 11:59 pmSFO-SJU
10h 04m1 stop
American Airlines Logo
4:19 pm - 11:09 pmSJU-SFO
10h 50m1 stop
$369American Airlines
Find Deal
vie., oct. 31 - mié., nov. 12
United Airlines Logo
12:43 am - 3:42 pmSFO-SJU
11h 59m1 stop
United Airlines Logo
1:05 am - 9:14 amSJU-SFO
11h 09m1 stop
$385United Airlines
Find Deal
vie., oct. 3 - mar., oct. 7
United Airlines Logo
12:43 am - 3:42 pmSFO-SJU
11h 59m1 stop
United Airlines Logo
1:05 am - 9:12 amSJU-SFO
11h 07m1 stop
$390United Airlines
Find Deal
mar., sep. 16 - mar., sep. 23
American Airlines Logo
7:05 am - 11:10 pmSFO-SJU
13h 05m1 stop
American Airlines Logo
1:37 pm - 10:54 pmSJU-SFO
12h 17m1 stop
$392American Airlines
Find Deal
dom., ago. 31 - mié., oct. 1
Southwest Logo
5:30 am - 12:15 amSFO-SJU
14h 45m2 stops
Southwest Logo
6:15 am - 8:05 pmSJU-SFO
17h 50m1 stop
$414Southwest
Find Deal
sáb., nov. 8 - sáb., nov. 15

Frontier flights from San Francisco to Puerto Rico

Our best Frontier deals on San Francisco to Puerto Rico flight tickets
Frontier
Sep 6
SFO11:00 pmSan Francisco
12h 11m
1 stop
SJU2:11 pmSan Juan Luis Munoz Marin Intl
Sep 12
SJU7:15 amSan Juan Luis Munoz Marin Intl
17h 06m
1 stop
SFO9:21 pmSan Francisco
$278
Find similar
Frontier
Nov 14
SFO10:23 pmSan Francisco
12h 56m
1 stop
SJU3:19 pmSan Juan Luis Munoz Marin Intl
Nov 20
SJU4:05 pmSan Juan Luis Munoz Marin Intl
10h 59m
1 stop
SFO11:04 pmSan Francisco
$303
Find similar
Frontier
Nov 13
SFO10:23 pmSan Francisco
12h 56m
1 stop
SJU3:19 pmSan Juan Luis Munoz Marin Intl
Nov 20
SJU4:05 pmSan Juan Luis Munoz Marin Intl
10h 59m
1 stop
SFO11:04 pmSan Francisco
$326
Find similar

American Airlines flights from San Francisco to Puerto Rico

Our best American Airlines deals on San Francisco to Puerto Rico flight tickets
American Airlines
Oct 31
SFO10:55 amSan Francisco
10h 04m
1 stop
SJU11:59 pmSan Juan Luis Munoz Marin Intl
Nov 12
SJU4:19 pmSan Juan Luis Munoz Marin Intl
10h 50m
1 stop
SFO11:09 pmSan Francisco
$369
Find similar
American Airlines
Aug 31
SFO7:05 amSan Francisco
13h 05m
1 stop
SJU11:10 pmSan Juan Luis Munoz Marin Intl
Oct 1
SJU1:37 pmSan Juan Luis Munoz Marin Intl
12h 17m
1 stop
SFO10:54 pmSan Francisco
$392
Find similar
American Airlines
Jan 17
SFO12:27 amSan Francisco
16h 23m
1 stop
SJU8:50 pmSan Juan Luis Munoz Marin Intl
Jan 24
SJU6:45 amSan Juan Luis Munoz Marin Intl
11h 31m
1 stop
SFO2:16 pmSan Francisco
$394
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 agosto 21, 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 FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

sáb. 9/6

11:00 pm-2:11 pm

1 stop12h 11m

San Juan Luis Munoz Marin Intl

vie. 9/12

7:15 am-9:21 pm

1 stop17h 06m

$278

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

lun. 11/10

6:00 am-11:17 pm

1 stop13h 17m

San Juan Luis Munoz Marin Intl

jue. 11/13

1:50 pm-12:16 am

1 stop14h 26m

$292

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

dom. 12/7

8:15 am-11:53 pm

1 stop11h 38m

San Juan Luis Munoz Marin Intl

jue. 12/11

12:45 pm-12:14 am

1 stop15h 29m

$350

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

mié. 11/12

8:00 am-10:04 pm

1 stop10h 04m

San Juan Luis Munoz Marin Intl

mar. 11/18

7:00 am-11:31 pm

1 stop20h 31m

$351

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

dom. 10/26

9:05 pm-12:15 pm

1 stop12h 10m

San Juan Luis Munoz Marin Intl

dom. 11/2

5:10 am-5:20 pm

1 stop16h 10m

$367

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

vie. 10/31

10:55 am-11:59 pm

1 stop10h 04m

San Juan Luis Munoz Marin Intl

mié. 11/12

4:19 pm-11:09 pm

1 stop10h 50m

$369

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

vie. 10/3

12:43 am-3:42 pm

1 stop11h 59m

San Juan Luis Munoz Marin Intl

mar. 10/7

1:05 am-9:14 am

1 stop11h 09m

$385

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

mar. 9/16

12:43 am-3:42 pm

1 stop11h 59m

San Juan Luis Munoz Marin Intl

mar. 9/23

1:05 am-9:12 am

1 stop11h 07m

$390

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

dom. 8/31

7:05 am-11:10 pm

1 stop13h 05m

San Juan Luis Munoz Marin Intl

mié. 10/1

1:37 pm-10:54 pm

1 stop12h 17m

$392

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

sáb. 11/8

5:30 am-12:15 am

2 stops14h 45m

San Juan Luis Munoz Marin Intl

sáb. 11/15

6:15 am-8:05 pm

1 stop17h 50m

$414

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 $432.

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 $440 on momondo.

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
3,207 reviews
Search Frontier flights
DeltaPriceFrom $242Free CancellationRating
7.9
7,981 reviews
Search Delta flights
JetBluePriceFrom $294Free CancellationRating
7.2
2,916 reviews
Search JetBlue flights
United AirlinesPriceFrom $328Free CancellationRating
7.4
8,930 reviews
Search United Airlines flights
Sun Country AirPriceFrom $337Free CancellationRating
6.9
333 reviews
Search Sun Country Air flights
American AirlinesPriceFrom $344Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $486Free CancellationRating
8.0
4,245 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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