Caribbean Islands

$139+ Cheap flights from San Diego (SAN) 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SJU
May 9 — May 161
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Cheap flight deals from San Diego to Caribbean Islands

Cheapest flights from San Diego to Caribbean Islands
Explore the most affordable flight options available from San Diego to Caribbean Islands. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 9, 2026.

This Delta deal was found by Cheapflights users on 4/6. 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 4/205:48 pm
SAN
-
STT
2 stops18h 00m
Delta
Thu 4/231:59 pm
STT
-
SAN
1 stop12h 26m
Delta
Deal found 4/6$310
This American Airlines deal was found by Cheapflights users on 4/6. 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.
Sun 5/39:45 pm
SAN
-
STT
1 stop10h 02m
American Airlines
Thu 5/711:27 am
STT
-
SAN
1 stop14h 22m
American Airlines
Deal found 4/6$316
This American Airlines deal was found by Cheapflights users on 4/6. 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.
Wed 4/297:20 pm
SAN
-
STT
2 stops12h 27m
American Airlines
Thu 5/711:27 am
STT
-
SAN
1 stop14h 22m
American Airlines
Deal found 4/6$321
This Kiwi.com deal was found by Cheapflights users on 4/6. 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.
Thu 5/76:25 am
SAN
-
SJU
1 stop28h 07m
Multiple Airlines
Tue 5/128:30 am
SJU
-
SAN
2 stops18h 20m
Multiple Airlines
Deal found 4/6$322
This Trip.com deal was found by Cheapflights users on 4/6. 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 4/307:45 am
SAN
-
SJU
2 stops39h 16m
Frontier
Sun 5/36:30 am
SJU
-
SAN
2 stops20h 28m
Frontier
Deal found 4/6$325
This Kiwi.com deal was found by Cheapflights users on 4/7. 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.
Sat 5/27:15 am
SAN
-
SJU
2 stops24h 24m
Multiple Airlines
Fri 5/82:37 pm
SJU
-
SAN
1 stop27h 49m
Multiple Airlines
Deal found 4/7$326
This Kiwi.com deal was found by Cheapflights users on 4/4. 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.
Sat 5/211:42 am
SAN
-
SJU
2 stops19h 57m
Multiple Airlines
Tue 5/57:00 am
SJU
-
SAN
1 stop31h 44m
Multiple Airlines
Deal found 4/4$327
This Kiwi.com deal was found by Cheapflights users on 4/8. 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.
Fri 5/17:00 am
SAN
-
SJU
1 stop13h 10m
Multiple Airlines
Thu 5/77:00 am
SJU
-
SAN
2 stops19h 50m
Multiple Airlines
Deal found 4/8$329
This American Airlines deal was found by Cheapflights users on 4/6. 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 4/207:20 pm
SAN
-
STT
2 stops13h 47m
American Airlines
Thu 4/235:05 pm
STT
-
SAN
2 stops18h 33m
American Airlines
Deal found 4/6$330
This Kiwi.com deal was found by Cheapflights users on 4/6. 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.
Fri 5/86:25 am
SAN
-
SJU
1 stop28h 07m
Multiple Airlines
Thu 5/143:12 pm
SJU
-
SAN
2 stops20h 30m
Multiple Airlines
Deal found 4/6$333
This Kiwi.com deal was found by Cheapflights users on 4/7. 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.
Thu 4/307:45 am
SAN
-
SJU
1 stop12h 25m
Multiple Airlines
Mon 5/48:04 pm
SJU
-
SAN
2 stops24h 55m
Multiple Airlines
Deal found 4/7$345
This Kiwi.com deal was found by Cheapflights users on 4/6. 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.
Thu 5/76:25 am
SAN
-
SJU
1 stop28h 07m
Multiple Airlines
Wed 5/136:41 pm
SJU
-
SAN
2 stops26h 44m
Multiple Airlines
Deal found 4/6$351

Find flight deals from San Diego to Caribbean Islands

Keep the following information in mind while searching for San Diego to Caribbean Islands flight deals. Data was last updated April 9, 2026.

Round-trip from

$310
(Delta)

One-way from

$139
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$450
From San Diego to Caribbean Islands
One-way flight from San Diego to Caribbean Islands
Highest demand for flights based on searches. 5% potential increase in price ($28 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
Average for round-trip flights in April 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Diego 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 April 9, 2026.
Use the filters below to find and compare flights from San Diego to Caribbean Islands that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San DiegoSaint Thomas Island

SAN - STT

SANSTT

San Diego

Mon 4/20

9:45 pm-1:51 pm

1 stop13h 06m

Saint Thomas Island Cyril E King

Thu 4/23

1:59 pm-8:50 pm

1 stop9h 51m

$310

San DiegoSaint Thomas Island

SAN - STT

SANSTT

San Diego

Sun 4/19

10:30 pm-1:51 pm

1 stop12h 21m

Saint Thomas Island Cyril E King

Thu 4/23

3:05 pm-11:25 pm

1 stop11h 20m

$310

San DiegoSaint Thomas Island

SAN - STT

SANSTT

San Diego

Sun 5/3

10:05 pm-11:35 am

1 stop10h 30m

Saint Thomas Island Cyril E King

Thu 5/7

5:05 pm-8:38 am

2 stops18h 33m

$316

San DiegoSaint Thomas Island

SAN - STT

SANSTT

San Diego

Wed 4/29

7:20 pm-1:15 pm

2 stops14h 55m

Saint Thomas Island Cyril E King

Thu 5/7

11:27 am-9:55 pm

2 stops13h 28m

$321

San DiegoSan Juan

SAN - SJU

SANSJU

San Diego

Mon 4/27

10:10 pm-12:52 pm

1 stop11h 42m

San Juan Luis Munoz Marin Intl

Tue 5/5

7:30 am-8:42 pm

2 stops16h 12m

$386

San DiegoSaint Thomas Island

SAN - STT

SANSTT

San Diego

Tue 5/12

6:26 pm-12:20 pm

2 stops14h 54m

Saint Thomas Island Cyril E King

Thu 5/14

1:22 pm-9:25 pm

1 stop11h 03m

$400

San DiegoSaint Thomas Island

SAN - STT

SANSTT

San Diego

Mon 4/20

7:14 pm-12:20 pm

2 stops14h 06m

Saint Thomas Island Cyril E King

Wed 4/22

2:10 pm-10:59 pm

1 stop11h 49m

$400

San DiegoMontego Bay

SAN - MBJ

SANMBJ

San Diego

Sat 5/23

9:59 pm-3:10 pm

1 stop15h 11m

Montego Bay Sangster Intl

Sat 5/30

2:40 pm-9:24 pm

1 stop8h 44m

$410

San DiegoSaint Thomas Island

SAN - STT

SANSTT

San Diego

Thu 5/7

7:20 pm-10:47 am

2 stops12h 27m

Saint Thomas Island Cyril E King

Thu 5/14

11:27 am-9:55 pm

2 stops13h 28m

$429

San DiegoSaint Thomas Island

SAN - STT

SANSTT

San Diego

Mon 5/4

6:05 pm-1:08 pm

2 stops16h 03m

Saint Thomas Island Cyril E King

Mon 5/11

1:22 pm-11:59 pm

2 stops13h 37m

$429

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/6

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from San Diego to Caribbean Islands

Have a flexible travel schedule? Discover the best time to fly to Caribbean Islands from San Diego 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 Diego to Caribbean Islands

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

Currently, October is the cheapest month in which you can book a flight from San Diego to Caribbean Islands (average of $165). Flying from San Diego to Caribbean Islands in December 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.

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 April 9, 2026.
Peruse reviews from past customers who have flown with Delta,Copa Airlines, andUnited Airlines from San Diego to Caribbean Islands to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Food

7.2

Boarding

8.1

Overall

7.9

Comfort

7.9

Entertainment

7.8

Crew

8.5

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.

Food

7.2

Boarding

8.1

Overall

7.9

Comfort

7.9

Entertainment

7.8

Crew

8.5

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.

Food

7.2

Boarding

8.1

Overall

7.9

Comfort

7.9

Entertainment

7.8

Crew

8.5

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.

Food

7.2

Boarding

8.1

Overall

7.9

Comfort

7.9

Entertainment

7.8

Crew

8.5

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.

Food

7.2

Boarding

8.1

Overall

7.9

Comfort

7.9

Entertainment

7.8

Crew

8.5

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.

Food

7.2

Boarding

8.1

Overall

7.9

Comfort

7.9

Entertainment

7.8

Crew

8.5

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 Diego 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 Diego to Caribbean Islands?

    San Diego (SAN), located 2.6 mi from the city center, is the airport you fly out of when you book flights from San Diego to Caribbean Islands.

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

    Delta, American Airlines, and United Airlines can get you from San Diego to Caribbean Islands in just under 10h 02m. Your travel time can differ by up to 5h 09m. The distance between San Diego and Caribbean Islands is about 3367 mi. This flight may include one or multiple stops.

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

    One-way options have recently been found by users for as low as $133 on Spirit Airlines. Other airlines that offer cheap prices include United Airlines from $142 and JetBlue from $148 one-way.

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

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

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

  • How can I find direct flights from San Diego 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 Diego to Caribbean Islands.

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

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

    Currently, October is the cheapest month in which you can book a flight from San Diego to Caribbean Islands (average of $165). Flying from San Diego to Caribbean Islands in December 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for San Diego to Caribbean Islands

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

Top 9 airlines flying from San Diego to Caribbean Islands

Discover the top 9 airlines that operate flights from San Diego 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 April 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$176Average$555FlexibilityNo cancel feeOn-timeN/A
Copa AirlinesCheapest$189Average$514FlexibilityNo cancel feeOn-time70%
FrontierCheapest$215Average$463FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$260Average$444FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$277Average$552FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$306Average$636FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$309Average$652FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$382Average$750FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$442Average$599FlexibilityNo cancel feeOn-time75%

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