San Juan

$122+ Cheap flights from San Francisco (SFO) to San Juan

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/1. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SJU
Nov 9 — Nov 161
1 adult
Sat 11/9
Sat 11/16
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The best prices from San Francisco to San Juan are usually found in September or January, booked 71 days in advance, depart on a Tuesday or Monday and return on a Saturday

Cheap flight deals from San Francisco to San Juan

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to San Juan (PR1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 4, 2024.

Popular in

June

Cheapest in

September

Round-trip from

$209
(Trip.com)

One-way from

$122
(Trip.com)
High demand for flights, 27% potential price rise
Best time to find cheap flights, 28% potential price drop
From San Francisco to San Juan
One-way flight from San Francisco to San Juan

Find flight deals from San Francisco to San Juan

Cheapest flights from San Francisco to San Juan
Explore the most affordable flight options available from San Francisco to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 4, 2024.

This JetBlue deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/78:30 amSFO - SJU
1 stop12h 50mJetBlue
Tue 12/104:10 amSJU - SFO
1 stop11h 59mJetBlue
Deal found 11/4$318
This Trip.com deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/311:59 pmSFO - SJU
1 stop11h 16mFrontier
Tue 12/106:20 amSJU - SFO
1 stop18h 30mFrontier
Deal found 11/4$341
This American Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1011:50 pmSFO - SJU
2 stops12h 00mAmerican Airlines
Tue 12/175:30 amSJU - SFO
2 stops14h 23mAmerican Airlines
Deal found 11/3$344
This United Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/712:30 amSFO - SJU
1 stop12h 06mUnited Airlines
Thu 12/194:52 pmSJU - SFO
1 stop12h 04mUnited Airlines
Deal found 11/3$371
This Priceline deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/311:59 pmSFO - SJU
1 stop11h 16mMultiple Airlines
Thu 12/125:15 pmSJU - SFO
1 stop21h 17mMultiple Airlines
Deal found 11/3$388
This Alaska Airlines deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/69:55 pmSFO - SJU
2 stops37h 20mAlaska Airlines
Wed 12/114:05 pmSJU - SFO
2 stops33h 30mAlaska Airlines
Deal found 11/4$536
This Delta deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/29:25 pmSFO - SJU
1 stop13h 06mDelta
Thu 1/92:02 pmSJU - SFO
1 stop10h 17mDelta
Deal found 11/4$565
This Cheapflightsfares deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/136:05 pmSFO - SJU
1 stop17h 56mSun Country Air
Fri 12/205:35 pmSJU - SFO
1 stop22h 11mSun Country Air
Deal found 11/3$579

Find flights from San Francisco to San Juan within your budget

Customize your flight search to find flights from San Francisco to San Juan 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, Cheapflights users made 2,455,398 searches. Data last updated November 4, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Sat 2/1

11:55 pm-2:40 pm

1 stop10h 45m

$172

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Sat 12/14

5:58 pm-4:14 pm

1 stop18h 16m

$194

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Thu 1/2

6:00 am-10:37 pm

1 stop12h 37m

$200

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Thu 1/30

5:20 am-12:04 am

2 stops14h 44m

$206

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Sun 2/2

7:08 pm-1:47 pm

3 stops38h 39m

$225

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Tue 4/1

10:30 pm-11:49 am

1 stop10h 19m

$242

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Thu 1/2

6:00 am-6:30 am

2 stops20h 30m

$244

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Fri 2/21

7:00 am-2:55 pm

2 stops27h 55m

$269

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Fri 4/18

5:25 am-9:05 pm

2 stops12h 40m

$287

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Fri 1/31

10:45 pm-2:35 pm

3 stops35h 50m

$415

Flights are sorted by cheapest first

Deals found on 11/3

Showing 1-10 of 20 results
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Best time to book a flight from San Francisco to San Juan

Have a flexible travel schedule? Discover the best time to fly to San Juan from San Francisco with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from San Francisco to San Juan

Get recent, data-driven insights about flights from San Francisco to San Juan including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from San Francisco to San Juan?

Use this chart to determine the optimal time to book a round-trip flight from San Francisco to San Juan. Price data was last updated on November 1, 2024.

The best time to book flights from San Francisco to San Juan is 71 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from San Francisco to San Juan?

Currently, September is the cheapest month in which you can book a flight from San Francisco to San Juan (average of $254). Flying from San Francisco to San Juan in March is currently the most expensive (average of $335). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SFO to SJU?

Find hourly flight availability from San Francisco to San Juan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 4, 2024.

Unlike in the morning, when flights are generally more expensive, you can save up to 28% on flights from San Francisco to San Juan by exploring options for tickets at noon.

What is the cheapest day to fly from San Francisco to San Juan?

Use this chart to determine the cheapest time to fly round-trip from San Francisco to San Juan. Price data was last updated on October 27, 2024.

Travelers seeking maximum savings on their San Francisco to San Juan flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in San Juan by month

Plan your trip to San Juan by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Juan ranges from 2.2 - 6.1 inches per month. November is typically the wettest month, when rainfall can reach 6.1 in. February is typically the driest time to visit San Juan when rainfall is around 2.2 in.

Temperature in San Juan by month

Plan your trip to San Juan by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Juan, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).

Reviews of airlines servicing San Juan

Get insights into the airlines that provide service to San Juan. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Juan. Reviews last updated November 4, 2024.
See what other customers who have flown with Southwest, Alaska Airlines and JetBlue from San Francisco to San Juan have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
5,089 reviews

Overall

8.1

Comfort

8.1

Crew

8.7

Food

7.2

Boarding

8.3

Entertainment

7.7

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

8.1
Very good
5,089 reviews
8.1
Very good
5,089 reviews

Overall

8.1

Comfort

8.1

Crew

8.7

Food

7.2

Boarding

8.3

Entertainment

7.7

Reviews

1 / 10

My original flight was delayed so they found this flight for me so I could arrive at a reasonable time

8.0
Very good
9,423 reviews
8.1
Very good
5,089 reviews

Overall

8.1

Comfort

8.1

Crew

8.7

Food

7.2

Boarding

8.3

Entertainment

7.7

Reviews

1 / 10