Puerto Rico

$145+ 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 4/5. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SJU
Feb 25 — Mar 41
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Cheap 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 February 20, 2025.

Round-trip from

$317
(JetBlue Airways)

One-way from

$145
(Frontier)

Popular in

December

Cheapest in

September

Average price

$468
From Fremont to Puerto Rico
One-way flight from Fremont to Puerto Rico
Highest demand for flights based on searches. 5% potential increase in price ($29 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($24 potential savings vs. average RT price).
Average for round-trip flights in February 2025

Find 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 February 20, 2025.

This JetBlue Airways deal was found by Cheapflights users on 2/19. 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 Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/1011:39 pmSFO - SJU
1 stop8h 59mJetBlue
Tue 3/254:00 amSJU - SFO
1 stop14h 13mJetBlue
Deal found 2/19$317
This deal was found by Cheapflights users on 2/19. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/211:58 pmSFO - SJU
1 stop11h 55mFrontier
Mon 4/710:40 amSJU - SFO
1 stop15h 18mFrontier
Deal found 2/19$321
This American Airlines deal was found by Cheapflights users on 2/20. 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.
Sat 5/312:21 amSFO - SJU
2 stops11h 14mAmerican Airlines
Sat 5/101:30 pmSJU - SFO
2 stops12h 32mAmerican Airlines
Deal found 2/20$349
This Trip.com deal was found by Cheapflights users on 2/19. 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.
Thu 3/66:00 amSFO - BQN
2 stops16h 56mFrontier
Sat 3/83:56 amBQN - SFO
2 stops23h 47mFrontier
Deal found 2/19$365
This Mytrip deal was found by Cheapflights users on 2/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/169:55 pmSFO - SJU
2 stops34h 15mMultiple Airlines
Tue 4/15:52 amSJU - SFO
3 stops38h 25mMultiple Airlines
Deal found 2/18$375
This United Airlines deal was found by Cheapflights users on 2/18. 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.
Thu 3/66:30 amSFO - BQN
2 stops13h 27mUnited Airlines
Sun 3/912:09 amBQN - SFO
2 stops14h 19mUnited Airlines
Deal found 2/18$385
This United Airlines deal was found by Cheapflights users on 2/18. 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.
Tue 3/48:26 amSFO - SJU
1 stop9h 56mUnited Airlines
Thu 3/62:05 amSJU - SFO
1 stop14h 08mUnited Airlines
Deal found 2/18$385
This Delta deal was found by Cheapflights users on 2/20. 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 3/107:11 pmSFO - SJU
2 stops13h 33mDelta
Mon 3/172:42 pmSJU - SFO
1 stop11h 34mDelta
Deal found 2/20$465
This JetBlue deal was found by Cheapflights users on 2/19. 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.
Tue 6/1011:20 amSFO - BQN
1 stop12h 18mJetBlue
Wed 6/189:35 amBQN - SFO
1 stop14h 28mJetBlue
Deal found 2/19$532
This JetBlue deal was found by Cheapflights users on 2/20. 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.
Wed 7/211:55 amSFO - PSE
1 stop11h 03mJetBlue
Sat 7/51:35 amPSE - SFO
1 stop11h 45mJetBlue
Deal found 2/20$809

Find flights from Fremont to Puerto Rico within your budget

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 February 20, 2025.

Fly from

Fremont

Fly to

Puerto Rico

Route

Depart

Return

Price

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Mon 3/10

11:39 pm-11:38 am

1 stop8h 59m

San Juan Luis Munoz Marin Intl

Tue 3/25

4:00 am-3:13 pm

1 stop14h 13m

$317

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Wed 4/2

11:58 pm-2:53 pm

1 stop11h 55m

San Juan Luis Munoz Marin Intl

Mon 4/7

10:40 am-10:58 pm

1 stop15h 18m

$321

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Sat 5/3

12:21 am-2:35 pm

2 stops11h 14m

San Juan Luis Munoz Marin Intl

Sat 5/10

1:30 pm-11:02 pm

2 stops12h 32m

$349

San FranciscoAguadilla

SFO - BQN

SFOBQN

San Francisco

Thu 3/6

6:00 am-2:56 am

2 stops16h 56m

Aguadilla Borinquen

Sat 3/8

3:56 am-11:43 pm

2 stops23h 47m

$365

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Sun 3/16

9:55 pm-11:10 am

2 stops34h 15m

San Juan Luis Munoz Marin Intl

Tue 4/1

5:52 am-5:17 pm

3 stops38h 25m

$375

San FranciscoAguadilla

SFO - BQN

SFOBQN

San Francisco

Thu 3/6

6:30 am-11:57 pm

2 stops13h 27m

Aguadilla Borinquen

Sun 3/9

12:09 am-11:28 am

2 stops14h 19m

$385

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Tue 3/4

8:26 am-10:22 pm

1 stop9h 56m

San Juan Luis Munoz Marin Intl

Thu 3/6

2:05 am-12:13 pm

1 stop14h 08m

$385

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Mon 3/10

7:11 pm-11:44 am

2 stops13h 33m

San Juan Luis Munoz Marin Intl

Mon 3/17

2:42 pm-11:16 pm

1 stop11h 34m

$465

San FranciscoAguadilla

SFO - BQN

SFOBQN

San Francisco

Thu 3/6

9:00 am-11:59 pm

1 stop10h 59m

Aguadilla Borinquen

Sat 3/8

3:05 am-11:41 am

1 stop12h 36m

$553

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Sat 4/5

11:59 pm-4:00 pm

1 stop13h 01m

$145

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 21 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.

Travel insights for flights from Fremont to Puerto Rico

Get recent, data-driven insights about flights from Fremont to Puerto Rico including ideal travel times, pricing trends, and more.

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

Currently, September is the cheapest month in which you can book a flight from Fremont to Puerto Rico (average of $254). Flying from Fremont to Puerto Rico in March is currently the most expensive (average of $363). 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 February 20, 2025.

When flying from Fremont to Puerto Rico, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Puerto Rico by month

Plan your trip to Puerto Rico by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Puerto Rico 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 Puerto Rico when rainfall is around 2.2 in.

Temperature in Puerto Rico by month

Plan your trip to Puerto Rico by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Puerto Rico, 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 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 February 20, 2025.
Get a feel of what it's like to fly with Southwest, Alaska Airlines and Delta from Fremont to Puerto Rico by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.6

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.1

Crew

8.7

Reviews

1 / 20

10.0
Excellent

Arlene,May 2024

SAN - OAK

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

Entertainment

7.6

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.1

Crew

8.7

Reviews

1 / 20

10.0
Excellent

Arlene,May 2024

SAN - OAK

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

Entertainment

7.6

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.1

Crew

8.7

Reviews

1 / 20

10.0
Excellent

Arlene,May 2024

SAN - OAK

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

8.0
Very good

Entertainment

7.6

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.1

Crew

8.7

Reviews

1 / 20

10.0
Excellent

Arlene,May 2024

SAN - OAK

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

Entertainment

7.6

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.1

Crew

8.7

Reviews

1 / 20

10.0
Excellent

Arlene,May 2024

SAN - OAK

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

Entertainment

7.6

Boarding

8.2

Overall

8.1

Comfort

8.1

Food

7.1

Crew

8.7

Reviews

1 / 20

10.0
Excellent

Arlene,May 2024

SAN - OAK

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

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.
  • 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 $145. However, be on the lookout for offers from JetBlue and American 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?

  • 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, September is the cheapest month in which you can book a flight from Fremont to Puerto Rico (average of $254). Flying from Fremont to Puerto Rico in March is currently the most expensive (average of $363). 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

Browse thousands of different options on Cheapflights for your next trip

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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.

Top 9 airlines flying from Fremont to Puerto Rico

Discover the top 9 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$154Average$300FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$159Average$570FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$262Average$495FlexibilityNo cancel feeOn-time65%
DeltaCheapest$275Average$662FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$285Average$569FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$294Average$601FlexibilityNo cancel feeOn-time71%
Sun Country AirCheapest$334Average$886FlexibilityNo cancel feeOn-time83%
SouthwestCheapest$383Average$611FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$612Average$719FlexibilityNo cancel feeOn-time75%
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