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Puerto Rico

$148+ 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 4/16. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SJU
Apr 7 — Apr 141
Mon 4/7
Mon 4/14
1 adult, Economy
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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 April 2, 2025.

Round-trip from

$296
(Frontier)

One-way from

$148
(Frontier)

Popular in

December

Cheapest in

September

Average price

$502
From Fremont to Puerto Rico
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One-way flight from Fremont to Puerto Rico
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Highest demand for flights based on searches. 7% potential increase in price ($41 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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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 April 2, 2025.

This Frontier deal was found by Cheapflights users on 4/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1611:58 pmSFO - SJU
1 stop11h 55mFrontier
Mon 4/213:56 amSJU - SFO
1 stop12h 23mFrontier
Deal found 4/1$296
This CheapOair deal was found by Cheapflights users on 3/31. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2210:07 pmSFO - PSE
1 stop31h 39mFrontier
Fri 4/259:46 amPSE - SFO
1 stop30h 33mFrontier
Deal found 3/31$298
This Frontier deal was found by Cheapflights users on 4/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1610:17 pmSFO - BQN
1 stop10h 15mFrontier
Sun 4/2012:42 pmBQN - SFO
1 stop11h 48mFrontier
Deal found 4/1$306
This JetBlue deal was found by Cheapflights users on 4/1. 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.
Mon 4/2811:35 pmSFO - SJU
1 stop12h 01mJetBlue
Sat 5/31:10 pmSJU - SFO
1 stop13h 58mJetBlue
Deal found 4/1$307
This United Airlines deal was found by Cheapflights users on 3/30. 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 4/297:00 amSFO - BQN
1 stop13h 09mUnited Airlines
Mon 5/512:15 amBQN - SFO
2 stops16h 18mUnited Airlines
Deal found 3/30$349
This United Airlines deal was found by Cheapflights users on 3/31. 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 4/2612:43 amSFO - SJU
1 stop11h 57mUnited Airlines
Thu 5/11:05 amSJU - SFO
1 stop11h 29mUnited Airlines
Deal found 3/31$349
This Delta deal was found by Cheapflights users on 4/1. 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 4/276:30 amSFO - SJU
2 stops13h 45mDelta
Sat 5/36:15 amSJU - SFO
1 stop10h 03mDelta
Deal found 4/1$359
This Expedia deal was found by Cheapflights users on 3/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/266:40 amSFO - SJU
2 stops19h 20mMultiple Airlines
Fri 5/210:46 amSJU - SFO
1 stop14h 36mMultiple Airlines
Deal found 3/30$412
This American Airlines deal was found by Cheapflights users on 4/1. 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.
Mon 10/201:07 amSFO - SJU
2 stops12h 13mAmerican Airlines
Tue 10/2811:50 amSJU - SFO
2 stops12h 35mAmerican Airlines
Deal found 4/1$414
This JetBlue Airways deal was found by Cheapflights users on 4/1. 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 5/193:45 pmSFO - BQN
1 stop14h 04mJetBlue
Mon 6/24:28 pmBQN - SFO
1 stop10h 31mJetBlue
Deal found 4/1$417
This United deal was found by Cheapflights users on 3/30. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/2812:43 amSFO - MAZ
2 stops29h 01mMultiple Airlines
Tue 5/64:13 pmMAZ - SFO
2 stops21h 09mMultiple Airlines
Deal found 3/30$532
This United Airlines deal was found by Cheapflights users on 3/30. 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.
Wed 5/1410:40 amSFO - VQS
2 stops27h 59mUnited Airlines
Mon 5/199:05 amVQS - SFO
2 stops35h 21mUnited Airlines
Deal found 3/30$1,105

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 April 2, 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 FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Wed 4/16

11:58 pm-2:53 pm

1 stop11h 55m

San Juan Luis Munoz Marin Intl

Mon 4/21

3:56 am-1:19 pm

1 stop12h 23m

$296

San FranciscoPonce

SFO - PSE

SFOPSE

San Francisco

Tue 4/22

10:07 pm-8:46 am

1 stop31h 39m

Ponce Mercedita

Fri 4/25

9:46 am-1:19 pm

1 stop30h 33m

$298

San FranciscoAguadilla

SFO - BQN

SFOBQN

San Francisco

Wed 4/16

10:17 pm-11:32 am

1 stop10h 15m

Aguadilla Borinquen

Sun 4/20

12:42 pm-9:30 pm

1 stop11h 48m

$306

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Mon 4/28

11:35 pm-2:36 pm

1 stop12h 01m

San Juan Luis Munoz Marin Intl

Sat 5/3

1:10 pm-12:08 am

1 stop13h 58m

$307

San FranciscoAguadilla

SFO - BQN

SFOBQN

San Francisco

Tue 4/29

7:00 am-11:09 pm

1 stop13h 09m

Aguadilla Borinquen

Mon 5/5

12:15 am-1:33 pm

2 stops16h 18m

$349

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Sat 4/26

12:43 am-3:40 pm

1 stop11h 57m

San Juan Luis Munoz Marin Intl

Thu 5/1

1:05 am-9:34 am

1 stop11h 29m

$349

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Sun 4/27

6:30 am-11:15 pm

2 stops13h 45m

San Juan Luis Munoz Marin Intl

Fri 5/2

6:15 am-1:45 pm

1 stop10h 30m

$359

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Sat 4/26

6:40 am-5:00 am

2 stops19h 20m

San Juan Luis Munoz Marin Intl

Fri 5/2

10:46 am-10:22 pm

1 stop14h 36m

$412

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Tue 4/22

12:06 pm-5:00 am

2 stops13h 54m

San Juan Luis Munoz Marin Intl

Tue 5/6

5:25 am-10:05 pm

1 stop19h 40m

$417

San FranciscoAguadilla

SFO - BQN

SFOBQN

San Francisco

Mon 5/19

3:45 pm-8:49 am

1 stop14h 04m

Aguadilla Borinquen

Mon 6/2

4:28 pm-11:59 pm

1 stop10h 31m

$417

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 27 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, 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 December is currently the most expensive (average of $336). 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 April 2, 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 April 2, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest 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.
Alaska Airlines
8.0
Very good
9,823 reviews

Overall

8.0

Food

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,823 reviews
Alaska Airlines
8.0
Very good
9,823 reviews

Overall

8.0

Food

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,275 reviews
Alaska Airlines
8.0
Very good
9,823 reviews

Overall

8.0

Food

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,899 reviews
Alaska Airlines
8.0
Very good
9,823 reviews

Overall

8.0

Food

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,615 reviews
Alaska Airlines
8.0
Very good
9,823 reviews

Overall

8.0

Food

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
JetBlue
7.3
Good
2,924 reviews
Alaska Airlines
8.0
Very good
9,823 reviews

Overall

8.0

Food

7.1

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 $148. However, be on the lookout for offers from United Airlines 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?

    Most travelers choose San Francisco - San Juan Luis Munoz Marin Intl, San Francisco - Ponce Mercedita or San Francisco - Aguadilla Borinquen 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, 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 December is currently the most expensive (average of $336). 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 April 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$160Average$298FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$192Average$574FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$238Average$424FlexibilityNo cancel feeOn-time65%
DeltaCheapest$282Average$653FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$287Average$557FlexibilityNo cancel feeOn-time69%
Sun Country AirCheapest$292Average$886FlexibilityNo cancel feeOn-time83%
American AirlinesCheapest$294Average$594FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$383Average$612FlexibilityNo cancel feeOn-time63%

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