Caribbean Islands

$134+ Cheap flights from San Francisco (SFO) to Caribbean Islands

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 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SJU
Aug 23 — Aug 301
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Cheap flight deals from San Francisco to Caribbean Islands

Keep the following information in mind while searching for San Francisco to Caribbean Islands flight deals. Data was last updated August 18, 2025.

Round-trip from

$306
(CheapOair)

One-way from

$134
(CheapOair)

Popular in

December

Cheapest in

May

Average price

$524
From San Francisco to Caribbean Islands
One-way flight from San Francisco to Caribbean Islands
Highest demand for flights based on searches. 9% potential increase in price ($49 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($21 potential savings vs. average RT price).
Average for round-trip flights in August 2025

Find flight deals from San Francisco to Caribbean Islands

Cheapest flights from San Francisco to Caribbean Islands
Explore the most affordable flight options available from San Francisco to Caribbean Islands. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.

This CheapOair deal was found by Cheapflights users on 8/16. 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 9/511:00 pmSFO - SJU
1 stop12h 11mFrontier
Fri 9/127:15 amSJU - SFO
1 stop17h 06mFrontier
Deal found 8/16$306
This Delta deal was found by Cheapflights users on 8/17. 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.
Sat 11/812:40 amSFO - SJU
2 stops12h 35mDelta
Thu 11/131:50 pmSJU - SFO
1 stop14h 26mDelta
Deal found 8/17$319
This CheapOair deal was found by Cheapflights users on 8/16. 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.
Sat 8/2310:29 pmSFO - SJU
1 stop12h 57mFrontier
Fri 9/57:15 amSJU - SFO
1 stop17h 06mFrontier
Deal found 8/16$326
This Delta deal was found by Cheapflights users on 8/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/254:45 pmSFO - SJU
2 stops15h 51mDelta
Wed 10/292:31 pmSJU - SFO
1 stop9h 35mDelta
Deal found 8/18$342
This JetBlue deal was found by Cheapflights users on 8/18. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/318:00 amSFO - SJU
1 stop10h 04mJetBlue
Wed 11/1212:30 pmSJU - SFO
1 stop11h 40mJetBlue
Deal found 8/18$358
This American Airlines deal was found by Cheapflights users on 8/17. 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.
Mon 11/1011:59 pmSFO - SJU
1 stop16h 49mAmerican Airlines
Wed 11/126:25 amSJU - SFO
1 stop16h 59mAmerican Airlines
Deal found 8/17$364
This Southwest deal was found by Cheapflights users on 8/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/14:40 pmSFO - SJU
2 stops13h 45mSouthwest
Wed 12/105:45 amSJU - SFO
2 stops11h 40mSouthwest
Deal found 8/17$365
This American Airlines deal was found by Cheapflights users on 8/17. 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.
Mon 9/1511:58 pmSFO - SJU
1 stop15h 16mAmerican Airlines
Mon 9/226:10 amSJU - SFO
1 stop19h 44mAmerican Airlines
Deal found 8/17$369
This JetBlue deal was found by Cheapflights users on 8/18. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/107:45 amSFO - SJU
1 stop10h 44mJetBlue
Tue 1/136:15 amSJU - SFO
1 stop12h 04mJetBlue
Deal found 8/18$370
This Kiwi.com deal was found by Cheapflights users on 8/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1411:57 pmSFO - SJU
1 stop13h 21mMultiple Airlines
Sun 9/212:38 pmSJU - SFO
2 stops33h 43mMultiple Airlines
Deal found 8/15$385
This Priceline deal was found by Cheapflights users on 8/17. 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.
Sun 10/511:00 pmSFO - SJU
1 stop12h 11mMultiple Airlines
Sat 10/254:15 pmSJU - SFO
1 stop27h 48mMultiple Airlines
Deal found 8/17$387
This Kiwi.com deal was found by Cheapflights users on 8/16. 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.
Sun 9/711:57 pmSFO - SJU
1 stop13h 21mMultiple Airlines
Thu 9/185:13 pmSJU - SFO
1 stop32h 49mMultiple Airlines
Deal found 8/16$388

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco to Caribbean Islands 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 August 18, 2025.
Use the filters below to find and compare flights from San Francisco to Caribbean Islands that are best for you.

Fly from

San Francisco

Fly to

Caribbean Islands

Route

Depart

Return

Price

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Fri 10/31

8:15 am-9:59 pm

1 stop10h 44m

San Juan Luis Munoz Marin Intl

Wed 11/12

7:30 am-2:47 pm

1 stop11h 17m

$319

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Sat 10/25

4:45 pm-11:36 am

2 stops15h 51m

San Juan Luis Munoz Marin Intl

Wed 10/29

7:15 am-8:40 pm

2 stops16h 25m

$319

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Sat 11/8

12:40 am-5:15 pm

2 stops12h 35m

San Juan Luis Munoz Marin Intl

Tue 11/18

1:50 pm-12:16 am

1 stop14h 26m

$319

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Sun 11/9

6:00 am-11:17 pm

1 stop13h 17m

San Juan Luis Munoz Marin Intl

Fri 11/14

7:30 am-2:47 pm

1 stop11h 17m

$319

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Tue 10/21

6:10 am-9:59 pm

1 stop12h 49m

San Juan Luis Munoz Marin Intl

Wed 11/5

7:15 am-8:40 pm

2 stops17h 25m

$319

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Sat 11/8

12:40 am-5:15 pm

2 stops12h 35m

San Juan Luis Munoz Marin Intl

Thu 11/13

7:30 am-7:25 pm

2 stops15h 55m

$319

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Tue 11/11

9:30 pm-12:40 pm

1 stop11h 10m

San Juan Luis Munoz Marin Intl

Tue 11/18

1:50 pm-10:52 pm

1 stop13h 02m

$319

San FranciscoSan Juan

SFO - SJU

SFOSJU

San Francisco

Tue 9/30

7:25 am-10:00 pm

1 stop11h 35m

San Juan Luis Munoz Marin Intl

Wed 10/8

7:15 am-5:52 pm

1 stop13h 37m

$319

San FranciscoMontego Bay

SFO - MBJ

SFOMBJ

San Francisco

Sat 9/13

11:00 pm-12:41 pm

1 stop11h 41m

Montego Bay Sangster Intl

Fri 9/19

2:12 pm-9:21 pm

1 stop33h 09m

$443

San FranciscoMontego Bay

SFO - MBJ

SFOMBJ

San Francisco

Sat 9/6

11:20 pm-10:40 am

1 stop9h 20m

Montego Bay Sangster Intl

Sat 9/13

11:30 am-11:10 pm

1 stop13h 40m

$448

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/17

Showing 1-10 of 60 results
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Best time to book a flight from San Francisco to Caribbean Islands

Have a flexible travel schedule? Discover the best time to fly to Caribbean Islands 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.

Cheapflights Insights

Everything you need to know about your flight from San Francisco to Caribbean Islands

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

Currently, September is the cheapest month in which you can book a flight from San Francisco to Caribbean Islands (average of $254). Flying from San Francisco to Caribbean Islands 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 SFO to EPX?

Find hourly flight availability from San Francisco to Caribbean Islands. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 18, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San Francisco to Caribbean Islands as you normally would.

Reviews of airlines servicing Caribbean Islands

Get insights into the airlines that provide service to Caribbean Islands. 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 Caribbean Islands. Reviews last updated August 18, 2025.
Read reviews from past customers who have flown Delta, Copa Airlines, and United Airlines from San Francisco to Caribbean Islands. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

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.
8.0
Very good
8.0
Very good

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

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.
8.0
Very good

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

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.
8.0
Very good

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

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.
8.0
Very good

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

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.
8.0
Very good

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

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 San Francisco to Caribbean Islands. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from San Francisco to Caribbean Islands?

    San Francisco (SFO) is the airport you will fly out of if you book a flight from San Francisco to Caribbean Islands. It is only a 11.8 mi journey to San Francisco (SFO) from San Francisco’s city center.

  • How long is the flight from San Francisco to Caribbean Islands?

    Delta, Frontier, and JetBlue can get you from San Francisco to Caribbean Islands in just under 9h 20m. Your travel time can differ by up to 2h 21m. San Francisco and Caribbean Islands are separated by a distance of 2978 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from San Francisco to Caribbean Islands one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $134. JetBlue flights start at $187 while deals on American Airlines start at $214 one-way.

  • What are the most popular routes from San Francisco to Caribbean Islands?

  • Can I find deals for flights from San Francisco to Caribbean Islands that include hotel bookings?

    Yes. In addition to deals on San Francisco to Caribbean Islands flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Francisco to Caribbean Islands?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Caribbean Islands.

  • Can I find deals for business class flights from San Francisco to Caribbean Islands?

    Yes. Cheapflights offers flight deals from San Francisco to Caribbean Islands 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 San Francisco to Caribbean Islands?

    Currently, September is the cheapest month in which you can book a flight from San Francisco to Caribbean Islands (average of $254). Flying from San Francisco to Caribbean Islands 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for San Francisco to Caribbean Islands

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from San Francisco to Caribbean Islands

Discover the top 10 airlines that operate flights from San Francisco to Caribbean Islands. 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 August 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$160Average$435FlexibilityNo cancel feeOn-time62%
DeltaCheapest$242Average$669FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$294Average$592FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$307Average$631FlexibilityNo cancel feeOn-time69%
Sun Country AirCheapest$337Average$904FlexibilityNo cancel feeOn-time83%
American AirlinesCheapest$344Average$735FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$358Average$611FlexibilityNo cancel feeOn-time75%
AeromexicoCheapest$378Average$735FlexibilityNo cancel feeOn-timeN/A
Copa AirlinesCheapest$415Average$684FlexibilityNo cancel feeOn-time70%
SouthwestCheapest$486Average$686FlexibilityNo cancel feeOn-time63%

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