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$649+ Cheap flights from South Padre Island, TX to Caribbean

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
MFE — SJU
Aug 7 — Aug 141
Thu 8/7
Thu 8/14
1 adult, Economy
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Cheap flight deals from South Padre Island to Caribbean

Keep the following information in mind while searching for South Padre Island to Caribbean flight deals. Data was last updated August 2, 2025.

Round-trip from

$649
(United Airlines)

Popular in

June

Cheapest in

January

Average price

$521
From South Padre Island to Caribbean
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
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Find flight deals from South Padre Island to Caribbean

Cheapest flights from South Padre Island to Caribbean
Explore the most affordable flight options available from South Padre Island to Caribbean. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 2, 2025.

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.
Sat 9/612:11 pmBRO - STI
2 stops12h 35mUnited Airlines
Sat 9/136:00 amSTI - BRO
2 stops18h 34mUnited Airlines
Deal found 7/31$649
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/276:39 pmBRO - POP
2 stops16h 56mAmerican Airlines
Tue 9/301:35 pmPOP - BRO
2 stops21h 36mAmerican Airlines
Deal found 7/31$669
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/177:00 amBRO - SJU
1 stop7h 42mUnited Airlines
Mon 9/221:05 amSJU - BRO
2 stops15h 58mUnited Airlines
Deal found 7/30$717
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.
Tue 8/512:13 pmBRO - NAS
1 stop26h 45mUnited Airlines
Tue 8/125:00 pmNAS - BRO
1 stop19h 25mUnited Airlines
Deal found 7/31$922

Cheapflights Fare Finder

 
Customize your flight search to find flights from South Padre Island to Caribbean 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 2, 2025.
Use the filters below to find and compare flights from South Padre Island to Caribbean that are best for you.

Fly from

South Padre Island

Fly to

Caribbean

Route

Depart

Return

Price

BrownsvilleSantiago de los Caballeros

BRO - STI

BROSTI

Brownsville South Padre Is. Intl

Sat 9/6

12:11 pm-1:46 am

2 stops12h 35m

Santiago de los Caballeros

Sat 9/13

6:00 am-11:34 pm

2 stops18h 34m

$649

BrownsvillePuerto Plata

BRO - POP

BROPOP

Brownsville South Padre Is. Intl

Sat 9/27

6:39 pm-12:35 pm

2 stops16h 56m

Puerto Plata La Union

Tue 9/30

1:35 pm-10:11 am

2 stops21h 36m

$669

BrownsvilleSan Juan

BRO - SJU

BROSJU

Brownsville South Padre Is. Intl

Wed 9/17

7:00 am-3:42 pm

1 stop7h 42m

San Juan Luis Munoz Marin Intl

Mon 9/22

1:05 am-4:03 pm

2 stops15h 58m

$717

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Best time to book a flight from South Padre Island to Caribbean

Have a flexible travel schedule? Discover the best time to fly to Caribbean from South Padre Island 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 South Padre Island to Caribbean

What is the cheapest month to book a flight from South Padre Island to Caribbean?

Currently, September is the cheapest month in which you can book a flight from South Padre Island to Caribbean (average of $254). Flying from South Padre Island to Caribbean 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 SO9 to CB?

Find hourly flight availability from South Padre Island to Caribbean. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 2, 2025.

When flying from South Padre Island to Caribbean, 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

Get insights into the airlines that provide service to Caribbean. 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. Reviews last updated August 2, 2025.
Read through reviews of airlines operating flights from South Padre Island to Caribbean, such as United Airlines and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,904 reviews

Entertainment

7.1

Boarding

7.7

Food

6.6

Crew

8.1

Comfort

7.3

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,904 reviews
United Airlines
7.4
Good
8,904 reviews

Entertainment

7.1

Boarding

7.7

Food

6.6

Crew

8.1

Comfort

7.3

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,904 reviews

Entertainment

7.1

Boarding

7.7

Food

6.6

Crew

8.1

Comfort

7.3

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Find useful and relevant information for your journey from South Padre Island to Caribbean. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the most popular routes from South Padre Island to Caribbean?

    Most travelers choose Brownsville South Padre Is. Intl - Havana Jose Marti Intl, Brownsville South Padre Is. Intl - San Juan Luis Munoz Marin Intl or Brownsville South Padre Is. Intl - Santiago de los Caballeros when deciding on the best route from South Padre Island to Caribbean.

  • Can I find deals for flights from South Padre Island to Caribbean that include hotel bookings?

    Yes. In addition to deals on South Padre Island to Caribbean flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from South Padre Island to Caribbean?

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

  • Can I find deals for business class flights from South Padre Island to Caribbean?

    Yes. Cheapflights offers flight deals from South Padre Island to Caribbean 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 South Padre Island to Caribbean?

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

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See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from South Padre Island to Caribbean

Discover the top 3 airlines that operate flights from South Padre Island to Caribbean. 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 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$216Average$588FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$305Average$612FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$511Average$589FlexibilityNo cancel feeOn-time63%

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