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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 2/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
JetBlue Logo
11:59 pm - 2:54 pmSFO-BQN
10h 55m1 stop
JetBlue Logo
3:45 pm - 11:30 pmBQN-SFO
11h 45m1 stop
$324JetBlue
Find Deal
Mon, Feb 2 - Tue, Feb 10
Frontier Logo
11:20 pm - 3:01 pmSFO-SJU
11h 41m1 stop
Frontier Logo
7:35 am - 3:14 pmSJU-SFO
11h 39m1 stop
$343Frontier
Find Deal
Wed, Dec 31 - Sat, Jan 10
JetBlue Logo
11:30 pm - 10:25 pmSFO-SJU
18h 55m1 stop
JetBlue Logo
5:10 am - 4:42 pmSJU-SFO
15h 32m1 stop
$346JetBlue
Find Deal
Fri, Feb 20 - Thu, Feb 26
Delta Logo
10:54 pm - 2:10 pmSFO-SJU
11h 16m1 stop
Delta Logo
3:55 pm - 11:25 pmSJU-SFO
11h 30m1 stop
$349Delta
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Wed, Jan 7 - Wed, Jan 14
Multiple Airlines Logo
7:00 am - 1:49 pmSFO-SJU
26h 49m2 stops
Multiple Airlines Logo
7:50 pm - 3:06 pmSJU-SFO
23h 16m1 stop
$353Multiple Airlines
Find Deal
Sat, Jan 10 - Wed, Jan 14
Multiple Airlines Logo
4:01 pm - 12:27 pmSFO-SJU
16h 26m1 stop
Multiple Airlines Logo
4:36 pm - 12:28 amSJU-SFO
35h 52m2 stops
$354Multiple Airlines
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Thu, Jan 15 - Thu, Jan 22
JetBlue Logo
7:00 am - 10:28 pmSFO-BQN
11h 28m1 stop
JetBlue Logo
3:45 pm - 11:30 pmBQN-SFO
11h 45m1 stop
$356JetBlue
Find Deal
Mon, Feb 2 - Tue, Feb 10
American Airlines Logo
12:50 am - 3:12 pmSFO-SJU
10h 22m1 stop
American Airlines Logo
9:25 am - 7:49 pmSJU-SFO
14h 24m1 stop
$359American Airlines
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Mon, Feb 23 - Tue, Mar 3
United Airlines Logo
6:00 am - 11:57 pmSFO-BQN
13h 57m2 stops
United Airlines Logo
1:09 am - 9:34 amBQN-SFO
12h 25m1 stop
$459United Airlines
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Tue, Dec 9 - Fri, Dec 12
United Airlines Logo
5:00 am - 11:57 pmSFO-BQN
14h 57m2 stops
United Airlines Logo
1:09 am - 12:20 pmBQN-SFO
15h 11m2 stops
$479United Airlines
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Mon, Feb 2 - Thu, Feb 5

JetBlue flights from San Francisco to Puerto Rico

Our best JetBlue deals on San Francisco to Puerto Rico flight tickets
JetBlue
Feb 2
SFO11:59 pmSan Francisco
10h 55m
1 stop
BQN2:54 pmAguadilla Borinquen
Feb 10
BQN3:45 pmAguadilla Borinquen
11h 45m
1 stop
SFO11:30 pmSan Francisco
$324
Find similar
JetBlue
Feb 20
SFO11:30 pmSan Francisco
18h 55m
1 stop
SJU10:25 pmSan Juan Luis Munoz Marin Intl
Feb 26
SJU5:10 amSan Juan Luis Munoz Marin Intl
15h 32m
1 stop
SFO4:42 pmSan Francisco
$346
Find similar
JetBlue
Feb 2
SFO7:00 amSan Francisco
11h 28m
1 stop
BQN10:28 pmAguadilla Borinquen
Feb 10
BQN3:45 pmAguadilla Borinquen
11h 45m
1 stop
SFO11:30 pmSan Francisco
$356
Find similar

Southwest flights from San Francisco to Puerto Rico

Our best Southwest deals on San Francisco to Puerto Rico flight tickets
Southwest
Jan 22
SFO7:40 amSan Francisco
12h 55m
2 stops
SJU12:35 amSan Juan Luis Munoz Marin Intl
Jan 28
SJU12:10 pmSan Juan Luis Munoz Marin Intl
13h 05m
2 stops
SFO9:15 pmSan Francisco
$363
Find similar
Southwest
Dec 3
SFO5:25 amSan Francisco
12h 40m
2 stops
SJU10:05 pmSan Juan Luis Munoz Marin Intl
Dec 13
SJU12:35 pmSan Juan Luis Munoz Marin Intl
11h 30m
1 stop
SFO8:05 pmSan Francisco
$415
Find similar
Southwest
Jan 22
SFO9:50 amSan Francisco
10h 45m
2 stops
SJU12:35 amSan Juan Luis Munoz Marin Intl
Feb 1
SJU5:35 amSan Juan Luis Munoz Marin Intl
13h 05m
2 stops
SFO2:40 pmSan Francisco
$425
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 November 25, 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

Mon 2/2

11:59 pm-2:54 pm

1 stop10h 55m

Aguadilla Borinquen

Tue 2/10

3:45 pm-11:30 pm

1 stop11h 45m

$324

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Wed 12/31

11:20 pm-3:01 pm

1 stop11h 41m

San Juan Luis Munoz Marin Intl

Sat 1/10

7:35 am-3:14 pm

1 stop11h 39m

$343

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Fri 2/20

11:30 pm-10:25 pm

1 stop18h 55m

San Juan Luis Munoz Marin Intl

Thu 2/26

5:10 am-4:42 pm

1 stop15h 32m

$346

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Wed 1/7

10:54 pm-2:10 pm

1 stop11h 16m

San Juan Luis Munoz Marin Intl

Wed 1/14

3:55 pm-11:25 pm

1 stop11h 30m

$349

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Sat 1/10

7:00 am-1:49 pm

2 stops26h 49m

San Juan Luis Munoz Marin Intl

Wed 1/14

7:50 pm-3:06 pm

1 stop23h 16m

$353

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Thu 1/15

4:01 pm-12:27 pm

1 stop16h 26m

San Juan Luis Munoz Marin Intl

Thu 1/22

4:36 pm-12:28 am

2 stops35h 52m

$354

San FranciscoAguadilla

SFO - BQN

SFOBQN

San Francisco

Mon 2/2

7:00 am-10:28 pm

1 stop11h 28m

Aguadilla Borinquen

Tue 2/10

3:45 pm-11:30 pm

1 stop11h 45m

$356

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Mon 2/23

12:50 am-3:12 pm

1 stop10h 22m

San Juan Luis Munoz Marin Intl

Tue 3/3

9:25 am-7:49 pm

1 stop14h 24m

$359

San FranciscoAguadilla

SFO - BQN

SFOBQN

San Francisco

Tue 12/9

6:00 am-11:57 pm

2 stops13h 57m

Aguadilla Borinquen

Fri 12/12

1:09 am-9:34 am

1 stop12h 25m

$459

San FranciscoAguadilla

SFO - BQN

SFOBQN

San Francisco

Mon 2/2

5:00 am-11:57 pm

2 stops14h 57m

Aguadilla Borinquen

Thu 2/5

1:09 am-12:20 pm

2 stops15h 11m

$479

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.

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 $490 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 $432 on momondo.

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

You could potentially save up to 28% 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 33m

Direct flights

None
The fastest flight from San Francisco to Puerto Rico takes 9h 33m
There are no direct flights from San Francisco to Puerto Rico. There are no popular flight routes from San Francisco to Puerto Rico.
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  • 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
3,097 reviews
Search Frontier flights
DeltaPriceFrom $240Free CancellationRating
7.9
7,998 reviews
Search Delta flights
Sun Country AirPriceFrom $286Free CancellationRating
6.9
333 reviews
Search Sun Country Air flights
JetBluePriceFrom $317Free CancellationRating
7.2
2,903 reviews
Search JetBlue flights
American AirlinesPriceFrom $349Free CancellationRating
7.2
11,042 reviews
Search American Airlines flights
United AirlinesPriceFrom $366Free CancellationRating
7.4
9,043 reviews
Search United Airlines flights
SouthwestPriceFrom $412Free CancellationRating
8.0
4,252 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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