Cheap flights from San Francisco to Puerto Rico from $173
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 10/31. 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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Fly from
Fly to
Route
Depart
Return
San FranciscoSan Juan
SFO San Francisco - SJU San Juan Luis Munoz Marin Intl
SFOSJU
San Francisco
Sat 10/17
10:14 pm-4:06 pm
1 stop14h 52m
San Juan Luis Munoz Marin Intl
Fri 10/23
5:11 pm-12:15 am
2 stops34h 04m
San FranciscoSan Juan
SFO San Francisco - SJU San Juan Luis Munoz Marin Intl
SFOSJU
San Francisco
Fri 10/16
10:14 pm-4:06 pm
1 stop14h 52m
San Juan Luis Munoz Marin Intl
Fri 10/23
5:11 pm-12:15 am
2 stops34h 04m
San FranciscoSan Juan
SFO San Francisco - SJU San Juan Luis Munoz Marin Intl
SFOSJU
San Francisco
Tue 12/1
9:00 pm-4:38 pm
1 stop15h 38m
San Juan Luis Munoz Marin Intl
Sat 12/5
5:01 am-3:33 pm
1 stop14h 32m
San FranciscoSan Juan
SFO San Francisco - SJU San Juan Luis Munoz Marin Intl
SFOSJU
San Francisco
Tue 12/1
9:00 pm-4:38 pm
1 stop15h 38m
San Juan Luis Munoz Marin Intl
Thu 12/10
5:01 am-3:33 pm
1 stop14h 32m
San FranciscoSan Juan
SFO San Francisco - SJU San Juan Luis Munoz Marin Intl
SFOSJU
San Francisco
Mon 1/25
7:50 am-12:40 am
2 stops12h 50m
San Juan Luis Munoz Marin Intl
Mon 2/8
6:10 am-2:00 pm
1 stop11h 50m
San FranciscoSan Juan
SFO San Francisco - SJU San Juan Luis Munoz Marin Intl
SFOSJU
San Francisco
Mon 1/25
7:50 am-12:40 am
2 stops12h 50m
San Juan Luis Munoz Marin Intl
Mon 2/8
7:05 am-5:55 pm
2 stops14h 50m
San FranciscoSan Juan
SFO San Francisco - SJU San Juan Luis Munoz Marin Intl
SFOSJU
San Francisco
Tue 1/12
8:00 am-11:51 pm
1 stop11h 51m
San Juan Luis Munoz Marin Intl
Sun 1/17
10:15 pm-9:23 am
1 stop15h 08m
San FranciscoSan Juan
SFO San Francisco - SJU San Juan Luis Munoz Marin Intl
SFOSJU
San Francisco
Thu 1/21
8:00 am-11:51 pm
1 stop11h 51m
San Juan Luis Munoz Marin Intl
Thu 1/28
10:15 pm-9:23 am
1 stop15h 08m
San FranciscoSan Juan
SFO San Francisco - SJU San Juan Luis Munoz Marin Intl
SFOSJU
San Francisco
Mon 1/25
7:09 pm-4:36 pm
2 stops17h 27m
San Juan Luis Munoz Marin Intl
Thu 2/4
7:40 am-10:55 pm
2 stops19h 15m
San FranciscoSan Juan
SFO San Francisco - SJU San Juan Luis Munoz Marin Intl
SFOSJU
San Francisco
Sat 10/31
6:35 am-8:00 pm
1 stop10h 25m
San Juan Luis Munoz Marin Intl
Sat 11/7
8:25 am-3:35 pm
1 stop11h 10m
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 January, then you should wait until August to fly from San Francisco, when ticket prices are also cheap, with an average price of $510.
How far in advance should I book a flight from San Francisco 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 $560 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 $420 on momondo.
What is the cheapest airline that flies from San Francisco to Puerto Rico?
Frontier, JetBlue, and United Airlines are the most popular carriers operating from San Francisco to Puerto Rico
What airlines fly to Puerto Rico?
American Airlines, United Airlines and JetBlue are the top three most popular airlines that fly to Puerto Rico from San Francisco according to our data. American Airlines is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Puerto Rico. Keep in mind that there are 7 different airlines that fly to Puerto Rico on a routine basis, so you have a few additional options to choose from.
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
Frequently asked questions about flying from San Francisco to Puerto Rico
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?
As of October 2026, there are 7 operators available to choose from 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 | ||
|---|---|---|---|---|---|
| PriceFrom $122 | Free Cancellation | Rating 5.5 2,550 reviews | |||
| PriceFrom $222 | Free Cancellation | Rating 7.8 8,628 reviews | |||
| PriceFrom $289 | Free Cancellation | Rating 7.1 3,040 reviews | |||
| PriceFrom $351 | Free Cancellation | Rating 7.4 10,285 reviews | |||
| PriceFrom $351 | Free Cancellation | Rating 7.9 13,015 reviews | |||
| PriceFrom $370 | Free Cancellation | Rating 7.0 12,128 reviews | |||
| PriceFrom $414 | Free Cancellation | Rating 7.9 4,212 reviews |
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.