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Puerto Rico

$134+ 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 8/8. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SJU
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
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 July 31, 2025.

Round-trip from

$268
(Frontier)

One-way from

$134
(Frontier)

Popular in

December

Cheapest in

September

Average price

$549
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. 10% potential increase in price ($56 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 31, 2025.

This Frontier deal was found by Cheapflights users on 7/28. 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.
Sun 8/108:53 pmSFO - BQN
1 stop10h 38mFrontier
Tue 8/122:59 amBQN - SFO
1 stop10h 26mFrontier
Deal found 7/28$268
This CheapOair deal was found by Cheapflights users on 7/31. 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.
Fri 8/88:53 pmSFO - PSE
1 stop9h 23mFrontier
Mon 8/119:16 amPSE - SFO
1 stop28h 09mFrontier
Deal found 7/31$268
This Frontier deal was found by Cheapflights users on 7/28. 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.
Sat 8/98:53 pmSFO - SJU
1 stop9h 11mFrontier
Sat 8/169:30 pmSJU - SFO
1 stop15h 55mFrontier
Deal found 7/28$298
This JetBlue deal was found by Cheapflights users on 7/29. 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.
Fri 10/317:45 amSFO - SJU
1 stop10h 44mJetBlue
Wed 11/1212:45 pmSJU - SFO
1 stop15h 29mJetBlue
Deal found 7/29$358
This United Airlines deal was found by Cheapflights users on 7/29. 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 10/99:00 pmSFO - SJU
1 stop12h 00mUnited Airlines
Fri 10/102:00 pmSJU - SFO
1 stop11h 57mUnited Airlines
Deal found 7/29$364
This American Airlines deal was found by Cheapflights users on 7/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/205:45 amSFO - SJU
2 stops14h 52mAmerican Airlines
Thu 9/2512:01 pmSJU - SFO
2 stops15h 14mAmerican Airlines
Deal found 7/30$369
This Delta deal was found by Cheapflights users on 7/29. 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.
Thu 9/259:38 pmSFO - SJU
1 stop12h 38mDelta
Fri 10/37:30 amSJU - SFO
2 stops18h 59mDelta
Deal found 7/29$379
This Southwest deal was found by Cheapflights users on 7/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/87:50 pmSFO - SJU
2 stops12h 00mSouthwest
Mon 9/225:50 amSJU - SFO
1 stop17h 20mSouthwest
Deal found 7/29$411
This Priceline deal was found by Cheapflights users on 7/29. 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.
Fri 8/159:25 pmSFO - BQN
1 stop21h 39mJetBlue
Fri 8/2210:59 pmBQN - SFO
1 stop14h 31mJetBlue
Deal found 7/29$497
This United Airlines deal was found by Cheapflights users on 7/31. 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.
Thu 10/911:00 pmSFO - BQN
2 stops21h 09mUnited Airlines
Mon 10/1312:15 amBQN - SFO
1 stop12h 45mUnited Airlines
Deal found 7/31$574
This Priceline deal was found by Cheapflights users on 7/30. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/57:40 amSFO - PSE
1 stop13h 39mJetBlue
Thu 8/141:59 amPSE - SFO
1 stop26h 55mJetBlue
Deal found 7/30$756
This United Airlines deal was found by Cheapflights users on 7/31. 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.
Fri 8/159:10 pmSFO - CPX
2 stops16h 41mUnited Airlines
Wed 8/2010:13 amCPX - SFO
2 stops14h 56mUnited Airlines
Deal found 7/31$1,020

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 July 31, 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

Sun 8/10

8:53 pm-10:31 am

1 stop10h 38m

Aguadilla Borinquen

Tue 8/12

2:59 am-10:25 am

1 stop10h 26m

$268

San FranciscoPonce

SFO - PSE

SFOPSE

San Francisco

Fri 8/8

8:53 pm-9:16 am

1 stop9h 23m

Ponce Mercedita

Mon 8/11

9:16 am-10:25 am

1 stop28h 09m

$268

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Sat 8/9

8:53 pm-9:04 am

1 stop9h 11m

San Juan Luis Munoz Marin Intl

Sat 8/16

9:30 pm-10:25 am

1 stop15h 55m

$298

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Thu 10/9

9:00 pm-12:00 pm

1 stop12h 00m

San Juan Luis Munoz Marin Intl

Fri 10/10

2:00 pm-10:57 pm

1 stop11h 57m

$364

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Sat 9/20

5:45 am-11:37 pm

2 stops14h 52m

San Juan Luis Munoz Marin Intl

Thu 9/25

12:01 pm-12:15 am

2 stops15h 14m

$369

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Tue 9/16

11:29 pm-2:56 pm

1 stop12h 27m

San Juan Luis Munoz Marin Intl

Fri 9/19

2:25 pm-12:59 am

1 stop13h 34m

$370

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Thu 9/25

9:38 pm-1:16 pm

1 stop12h 38m

San Juan Luis Munoz Marin Intl

Fri 10/3

7:30 am-11:29 pm

2 stops18h 59m

$379

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Mon 9/8

7:50 pm-10:50 am

2 stops12h 00m

San Juan Luis Munoz Marin Intl

Mon 9/22

5:50 am-8:10 pm

1 stop17h 20m

$411

San FranciscoAguadilla

SFO - BQN

SFOBQN

San Francisco

Fri 8/15

9:25 pm-10:04 pm

1 stop21h 39m

Aguadilla Borinquen

Fri 8/22

10:59 pm-10:30 am

1 stop14h 31m

$497

San FranciscoAguadilla

SFO - BQN

SFOBQN

San Francisco

Thu 10/9

11:00 pm-11:09 pm

2 stops21h 09m

Aguadilla Borinquen

Mon 10/13

12:15 am-10:00 am

1 stop12h 45m

$574

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

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 June is currently the most expensive (average of $339). 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 July 31, 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.

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 July 31, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,246 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,900 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Crew

8.5

Food

7.1

Overall

8.0

Boarding

8.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 $134. 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?

    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, 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 June is currently the most expensive (average of $339). 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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$160Average$334FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$232Average$415FlexibilityNo cancel feeOn-time65%
DeltaCheapest$242Average$572FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$288Average$467FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$328Average$591FlexibilityNo cancel feeOn-time69%
Sun Country AirCheapest$337Average$904FlexibilityNo cancel feeOn-time83%
American AirlinesCheapest$343Average$582FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$383Average$604FlexibilityNo cancel feeOn-time63%

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