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Puerto Rico

$146+ Cheap flights from Fremont, CA to Puerto Rico

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 1/31. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SJU
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Fremont to Puerto Rico

Cheapest flights from Fremont to Puerto Rico
Explore the most affordable flight options available from Fremont to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This Priceline deal was found by Cheapflights users on 12/17. 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 12/3011:20 pmSFO - SJU
1 stop11h 36mMultiple Airlines
Wed 1/142:20 pmSJU - SFO
1 stop14h 02mMultiple Airlines
Deal found 12/17$371
This American Airlines deal was found by Cheapflights users on 12/17. 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 12/306:10 amSFO - SJU
1 stop13h 49mAmerican Airlines
Wed 1/146:00 amSJU - SFO
2 stops13h 05mAmerican Airlines
Deal found 12/17$382
This Delta deal was found by Cheapflights users on 12/15. 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.
Wed 12/316:00 amSFO - SJU
1 stop13h 20mDelta
Wed 1/147:00 amSJU - SFO
1 stop16h 36mDelta
Deal found 12/15$392
This Delta deal was found by Cheapflights users on 12/15. 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.
Wed 12/3110:45 pmSFO - SJU
1 stop13h 02mDelta
Fri 1/166:15 amSJU - SFO
1 stop15h 28mDelta
Deal found 12/15$415
This Trip.com deal was found by Cheapflights users on 12/15. 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.
Mon 12/2911:20 pmSFO - SJU
1 stop11h 41mFrontier
Tue 1/67:05 pmSJU - SFO
2 stops26h 54mFrontier
Deal found 12/15$418
This Delta deal was found by Cheapflights users on 12/17. 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.
Fri 12/266:00 amSFO - SJU
1 stop11h 09mDelta
Sat 1/177:30 amSJU - SFO
2 stops12h 39mDelta
Deal found 12/17$435
This Delta deal was found by Cheapflights users on 12/15. 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 12/228:00 amSFO - SJU
1 stop9h 09mDelta
Tue 12/307:30 amSJU - SFO
2 stops14h 51mDelta
Deal found 12/15$458
This Kiwi.com deal was found by Cheapflights users on 12/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/249:30 pmSFO - SJU
2 stops23h 07mFrontier
Fri 1/164:35 pmSJU - SFO
1 stop24h 49mFrontier
Deal found 12/17$461
This Delta deal was found by Cheapflights users on 12/15. 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.
Sun 12/218:00 amSFO - SJU
1 stop11h 20mDelta
Tue 12/307:30 amSJU - SFO
2 stops14h 51mDelta
Deal found 12/15$462
This SmartFares deal was found by Cheapflights users on 12/17. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3111:59 pmSFO - BQN
1 stop13h 33mJetBlue
Wed 1/218:15 amBQN - SFO
1 stop12h 54mJetBlue
Deal found 12/17$465
This Delta deal was found by Cheapflights users on 12/17. 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.
Wed 12/2412:10 amSFO - SJU
2 stops12h 41mDelta
Thu 1/224:30 pmSJU - SFO
1 stop11h 17mDelta
Deal found 12/17$476
This Kiwi.com deal was found by Cheapflights users on 12/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/308:16 pmSFO - SJU
1 stop24h 17mMultiple Airlines
Wed 1/77:05 pmSJU - SFO
2 stops33h 19mMultiple Airlines
Deal found 12/17$482

Find flight deals from Fremont to Puerto Rico

Keep the following information in mind while searching for Fremont to Puerto Rico flight deals. Data was last updated December 18, 2025.

Round-trip from

$302
(Trip.com)

One-way from

$146
(JetBlue)

Popular in

December

Cheapest in

May

Average price

$595
From Fremont to Puerto Rico
Search Deals
One-way flight from Fremont to Puerto Rico
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($24 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Fremont 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, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
Use the filters below to find and compare flights from Fremont to Puerto Rico that are best for you.

Fly from

Fremont

Fly to

Puerto Rico

Route

Depart

Return

Price

San FranciscoAguadilla

SFO - BQN

SFOBQN

San Francisco

Tue 2/3

7:00 am-10:28 pm

1 stop11h 28m

Aguadilla Borinquen

Fri 2/27

4:35 pm-11:58 pm

1 stop11h 23m

$311

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Tue 2/24

10:39 am-12:59 am

1 stop10h 20m

San Juan Luis Munoz Marin Intl

Wed 3/11

4:15 am-4:42 pm

1 stop15h 27m

$318

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Mon 3/23

11:59 pm-1:38 pm

1 stop10h 39m

San Juan Luis Munoz Marin Intl

Sun 3/29

3:26 am-2:12 pm

1 stop13h 46m

$318

San FranciscoAguadilla

SFO - BQN

SFOBQN

San Francisco

Mon 2/2

7:00 am-10:28 pm

1 stop11h 28m

Aguadilla Borinquen

Thu 2/26

4:35 pm-11:58 pm

1 stop11h 23m

$326

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Wed 2/25

10:39 am-12:59 am

1 stop10h 20m

San Juan Luis Munoz Marin Intl

Wed 3/4

5:12 pm-11:58 pm

1 stop10h 46m

$341

San FranciscoAguadilla

SFO - BQN

SFOBQN

San Francisco

Sun 2/1

11:59 pm-2:54 pm

1 stop10h 55m

Aguadilla Borinquen

Fri 2/27

4:35 pm-11:58 pm

1 stop11h 23m

$345

San FranciscoAguadilla

SFO - BQN

SFOBQN

San Francisco

Sun 2/1

11:59 pm-2:54 pm

1 stop10h 55m

Aguadilla Borinquen

Thu 2/26

4:35 pm-11:58 pm

1 stop11h 23m

$360

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Fri 5/1

11:25 pm-1:20 pm

1 stop10h 55m

San Juan Luis Munoz Marin Intl

Tue 5/5

5:05 am-7:50 pm

2 stops17h 45m

$361

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Mon 1/26

8:26 am-11:48 pm

1 stop11h 22m

San Juan Luis Munoz Marin Intl

Sat 1/31

8:15 am-5:15 pm

1 stop13h 00m

$364

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Sun 1/25

7:00 am-11:50 pm

1 stop12h 50m

San Juan Luis Munoz Marin Intl

Fri 1/30

8:15 am-5:15 pm

1 stop13h 00m

$364

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 53 results
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Best time to book a flight from Fremont to Puerto Rico

Have a flexible travel schedule? Discover the best time to fly to Puerto Rico from Fremont 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.

Cheapflights Insights

Everything you need to know about your flight from Fremont to Puerto Rico

What is the cheapest month to book a flight from Fremont to Puerto Rico?

Currently, December is the cheapest month in which you can book a flight from Fremont to Puerto Rico (average of $169). Flying from Fremont to Puerto Rico in October is currently the most expensive (average of $315). 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 FR8 to PR?

Find hourly flight availability from Fremont to Puerto Rico. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

A simple way to save on the total cost of your ticket is to fly from Fremont to Puerto Rico in the afternoon. If you’re flexible enough to do this you can expect to save up to 27% on your trip compared to booking a flight at noon.

What is the cheapest day to fly from Fremont to Puerto Rico?

Use this chart to determine the cheapest time to fly round-trip from Fremont to Puerto Rico. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Fremont to Puerto Rico flight should consider departing on Saturday mornings when fares are most often at their lowest. Thursday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Puerto Rico

Get insights into the airlines that provide service to Puerto Rico. 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 Puerto Rico. Reviews last updated December 18, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from Fremont to Puerto Rico. 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.
Delta
7.9
Good
8,005 reviews

Food

7.3

Overall

7.9

Crew

8.5

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
7.9
Good
8,005 reviews
Delta
7.9
Good
8,005 reviews

Food

7.3

Overall

7.9

Crew

8.5

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
9,092 reviews
Delta
7.9
Good
8,005 reviews

Food

7.3

Overall

7.9

Crew

8.5

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
11,055 reviews
Delta
7.9
Good
8,005 reviews

Food

7.3

Overall

7.9

Crew

8.5

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
JetBlue
7.2
Good
2,897 reviews
Delta
7.9
Good
8,005 reviews

Food

7.3

Overall

7.9

Crew

8.5

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Frontier
5.8
Fair
3,081 reviews
Delta
7.9
Good
8,005 reviews

Food

7.3

Overall

7.9

Crew

8.5

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Fremont to Puerto Rico. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Fremont to Puerto Rico?

    A quick flight from Fremont to Puerto Rico can take about 10h 20m. JetBlue provides one of the quickest options available for as low as $318. The distance from Fremont to Puerto Rico is about 3623 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Fremont to Puerto Rico one-way?

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $85. However, be on the lookout for offers from American Airlines and United Airlines, as they are both options that can get you from Fremont to Puerto Rico for a low price.

  • What are the most popular routes from Fremont to Puerto Rico?

    Most travelers choose San Francisco - San Juan Luis Munoz Marin Intl, San Francisco - Aguadilla Borinquen or San Francisco - Ponce Mercedita when deciding on the best route from Fremont to Puerto Rico.

  • Can I find deals for flights from Fremont to Puerto Rico that include hotel bookings?

    Yes. In addition to deals on Fremont to Puerto Rico flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Fremont to Puerto Rico?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Fremont to Puerto Rico.

  • Can I find deals for business class flights from Fremont to Puerto Rico?

    Yes. Cheapflights offers flight deals from Fremont to Puerto Rico by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Fremont to Puerto Rico?

    Currently, December is the cheapest month in which you can book a flight from Fremont to Puerto Rico (average of $169). Flying from Fremont to Puerto Rico in October is currently the most expensive (average of $315). 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.

See more FAQs

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Alternative routes for Fremont to Puerto Rico

See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from Fremont to Puerto Rico

Discover the top 8 airlines that operate flights from Fremont to Puerto Rico. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$160Average$339FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$232Average$361FlexibilityNo cancel feeOn-time65%
DeltaCheapest$240Average$481FlexibilityNo cancel feeOn-timeN/A
Sun Country AirCheapest$286Average$914FlexibilityNo cancel feeOn-time83%
JetBlueCheapest$289Average$477FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$298Average$588FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$349Average$588FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$383Average$579FlexibilityNo cancel feeOn-time63%

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