Caribbean Islands

$91+ Cheap flights from San Antonio (SAT) 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 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — SJU
oct. 15 — oct. 221
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Cheap flight deals from San Antonio to Caribbean Islands

Keep the following information in mind while searching for San Antonio to Caribbean Islands flight deals. Data was last updated septiembre 15, 2025.

Round-trip from

$180
(CheapOair)

One-way from

$91
(Cheapflightsfares)

Popular in

December

Cheapest in

September

Average price

$291
From San Antonio to Caribbean Islands
One-way flight from San Antonio to Caribbean Islands
Highest demand for flights based on searches. 18% potential increase in price ($95 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($22 potential savings vs. average RT price).
Average for round-trip flights in September 2025

Find flight deals from San Antonio to Caribbean Islands

Cheapest flights from San Antonio to Caribbean Islands
Explore the most affordable flight options available from San Antonio to Caribbean Islands. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 15, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/61:01 pmSAT - SJU
Nonstop4h 47mSpirit Airlines
vie. 10/108:00 amSJU - SAT
Nonstop5h 06mSpirit Airlines
Deal found 9/15$180
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/294:09 pmSAT - SJU
Nonstop4h 26mSpirit Airlines
vie. 10/310:42 amSJU - SAT
Nonstop5h 32mSpirit Airlines
Deal found 9/14$181
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/101:01 pmSAT - SJU
Nonstop4h 47mSpirit Airlines
vie. 10/178:00 amSJU - SAT
Nonstop5h 06mSpirit Airlines
Deal found 9/15$182
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/61:01 pmSAT - SJU
Nonstop4h 47mSpirit Airlines
lun. 10/278:00 amSJU - SAT
Nonstop5h 06mSpirit Airlines
Deal found 9/15$183
This Cheapflightsfares deal was found by Cheapflights users on 9/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/312:45 pmSAT - SJU
1 stop11h 09mSpirit Airlines
vie. 10/108:00 amSJU - SAT
Nonstop5h 06mSpirit Airlines
Deal found 9/13$184
This Priceline deal was found by Cheapflights users on 9/13. 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.
vie. 10/101:01 pmSAT - SJU
Nonstop4h 47mSpirit Airlines
lun. 10/138:00 amSJU - SAT
Nonstop5h 06mSpirit Airlines
Deal found 9/13$193
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/27:17 pmSAT - SJU
1 stop14h 47mSpirit Airlines
vie. 10/108:00 amSJU - SAT
Nonstop5h 06mSpirit Airlines
Deal found 9/14$194
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/201:01 pmSAT - SJU
Nonstop4h 47mSpirit Airlines
lun. 10/278:00 amSJU - SAT
Nonstop5h 06mSpirit Airlines
Deal found 9/14$196
This CheapOair deal was found by Cheapflights users on 9/12. 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.
jue. 10/237:35 pmSAT - STT
1 stop13h 21mSpirit Airlines
lun. 10/2711:01 amSTT - SAT
1 stop8h 29mSpirit Airlines
Deal found 9/12$303
This Expedia deal was found by Cheapflights users on 9/14. 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.
sáb. 11/156:00 amSAT - STT
1 stop7h 11mSpirit Airlines
jue. 11/204:06 pmSTT - SAT
1 stop8h 21mSpirit Airlines
Deal found 9/14$305
This Mytrip deal was found by Cheapflights users on 9/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/177:35 pmSAT - STT
2 stops16h 24mSpirit Airlines
lun. 10/2011:01 amSTT - SAT
1 stop8h 29mSpirit Airlines
Deal found 9/15$339
This Priceline deal was found by Cheapflights users on 9/14. 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.
dom. 10/197:35 pmSAT - MBJ
1 stop15h 25mSpirit Airlines
vie. 10/2412:09 pmMBJ - SAT
1 stop6h 21mSpirit Airlines
Deal found 9/14$344

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Antonio 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 septiembre 15, 2025.
Use the filters below to find and compare flights from San Antonio to Caribbean Islands that are best for you.

Fly from

San Antonio

Fly to

Caribbean Islands

Route

Depart

Return

Price

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

mar. 10/21

10:54 am-9:59 pm

1 stop10h 05m

San Juan Luis Munoz Marin Intl

mié. 10/29

5:43 pm-12:20 am

1 stop7h 37m

$245

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

sáb. 11/15

12:12 pm-10:22 pm

1 stop8h 10m

San Juan Luis Munoz Marin Intl

mié. 11/19

7:45 am-3:29 pm

1 stop9h 44m

$245

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

jue. 12/11

1:05 pm-11:10 pm

1 stop8h 05m

San Juan Luis Munoz Marin Intl

jue. 12/18

3:32 pm-12:33 am

1 stop11h 01m

$245

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

mar. 12/9

1:05 pm-11:10 pm

1 stop8h 05m

San Juan Luis Munoz Marin Intl

jue. 12/18

3:32 pm-12:33 am

1 stop11h 01m

$245

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

mar. 12/9

1:05 pm-11:10 pm

1 stop8h 05m

San Juan Luis Munoz Marin Intl

mié. 12/17

3:32 pm-12:33 am

1 stop11h 01m

$286

San AntonioSaint Thomas Island

SAT - STT

SATSTT

San Antonio

jue. 10/23

7:35 pm-9:56 am

1 stop13h 21m

Saint Thomas Island Cyril E King

lun. 10/27

11:01 am-6:30 pm

1 stop8h 29m

$303

San AntonioSaint Thomas Island

SAT - STT

SATSTT

San Antonio

sáb. 11/15

6:00 am-3:11 pm

1 stop7h 11m

Saint Thomas Island Cyril E King

jue. 11/20

4:06 pm-10:27 pm

1 stop8h 21m

$305

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

lun. 12/8

6:30 am-5:23 pm

1 stop8h 53m

San Juan Luis Munoz Marin Intl

vie. 12/12

6:36 pm-12:33 am

1 stop7h 57m

$310

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

mar. 12/9

1:05 pm-11:10 pm

1 stop8h 05m

San Juan Luis Munoz Marin Intl

sáb. 12/13

7:00 am-2:21 pm

1 stop9h 21m

$310

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

dom. 11/16

7:05 am-10:22 pm

2 stops13h 17m

San Juan Luis Munoz Marin Intl

mié. 11/19

3:46 pm-10:56 pm

1 stop9h 10m

$320

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

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

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

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

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

Find hourly flight availability from San Antonio 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 septiembre 15, 2025.

When flying from San Antonio to Caribbean Islands, 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 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 septiembre 15, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta, and United Airlines from San Antonio 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

7.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Food

7.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
8.0
Very good

Food

7.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Food

7.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Food

7.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Food

7.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Overall

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from San Antonio 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 Antonio to Caribbean Islands?

    If you book a flight to Caribbean Islands from San Antonio, you will be flying from San Antonio, which is the city’s only airport. San Antonio (SAT) is located 7.6 mi from the center of San Antonio.

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

    A quick flight from San Antonio to Caribbean Islands can take about 8h 10m. Delta provides one of the quickest options available for as low as $245. Airlines will cover a distance of 2177 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $122. American Airlines flights start at $123 while deals on Southwest start at $188 one-way.

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

  • What are the cheapest flights from San Antonio to Caribbean Islands?

    While on average a flight from San Antonio to Caribbean Islands is generally $221, our data shows the cheapest flight currently is $89. When looking at the most popular route, (San Antonio - San Juan Luis Munoz Marin Intl), you can expect to pay $180 for that flight.

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

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

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

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

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

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

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Alternative routes for San Antonio to Caribbean Islands

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

Top 6 airlines flying from San Antonio to Caribbean Islands

Discover the top 6 airlines that operate flights from San Antonio 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 septiembre 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$130Average$485FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$156Average$425FlexibilityNo cancel feeOn-time65%
DeltaCheapest$236Average$549FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$258Average$636FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$271Average$704FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$319Average$614FlexibilityNo cancel feeOn-time71%

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