HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Caribbean Islands

$128+ Cheap flights from Austin (AUS) 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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — SJU
Apr 29 — May 61
Tue 4/29
Tue 5/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Austin to Caribbean Islands with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Austin to Caribbean Islands

Keep the following information in mind while searching for Austin to Caribbean Islands flight deals. Data was last updated April 24, 2025.

Round-trip from

$255
(American Airlines)

One-way from

$128
(Delta)

Popular in

December

Cheapest in

September

Average price

$394
From Austin Bergstrom to Caribbean Islands
Search Deals
One-way flight from Austin Bergstrom to Caribbean Islands
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($63 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from Austin to Caribbean Islands

Cheapest flights from Austin to Caribbean Islands
Explore the most affordable flight options available from Austin to Caribbean Islands. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.

This United Airlines deal was found by Cheapflights users on 4/22. 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 9/2612:10 pmAUS - SJU
1 stop7h 28mUnited Airlines
Mon 9/291:05 amSJU - AUS
1 stop9h 53mUnited Airlines
Deal found 4/22$251
This Delta deal was found by Cheapflights users on 4/22. 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.
Fri 9/2612:20 pmAUS - SJU
1 stop8h 48mDelta
Tue 9/305:19 pmSJU - AUS
1 stop8h 08mDelta
Deal found 4/22$255
This Mytrip deal was found by Cheapflights users on 4/22. 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.
Mon 6/167:15 amAUS - SJU
1 stop11h 04mSpirit Airlines
Fri 6/208:24 pmSJU - AUS
1 stop15h 01mSpirit Airlines
Deal found 4/22$268
This Frontier deal was found by Cheapflights users on 4/22. 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 5/119:40 amAUS - SJU
1 stop9h 04mFrontier
Sun 5/1112:05 amSJU - AUS
1 stop9h 43mFrontier
Deal found 4/22$293
This Priceline deal was found by Cheapflights users on 4/22. 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 6/177:15 amAUS - STX
1 stop7h 34mSpirit Airlines
Tue 6/244:45 pmSTX - AUS
1 stop7h 19mSpirit Airlines
Deal found 4/22$299
This FlightHub deal was found by Cheapflights users on 4/22. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/157:25 pmAUS - STT
1 stop16h 01mSpirit Airlines
Tue 5/2010:52 amSTT - AUS
1 stop13h 11mSpirit Airlines
Deal found 4/22$300
This CheapOair deal was found by Cheapflights users on 4/23. 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 5/177:14 amAUS - SJU
1 stop10h 53mMultiple Airlines
Sun 5/256:00 amSJU - AUS
1 stop12h 00mMultiple Airlines
Deal found 4/23$303
This Southwest deal was found by Cheapflights users on 4/22. 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.
Sat 5/175:15 amAUS - SJU
1 stop12h 30mSouthwest
Sat 5/244:45 pmSJU - AUS
Nonstop5h 25mSouthwest
Deal found 4/22$306
This American Airlines deal was found by Cheapflights users on 4/23. 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.
Fri 5/26:00 amAUS - SJU
1 stop7h 27mAmerican Airlines
Sat 5/171:30 pmSJU - AUS
2 stops9h 42mAmerican Airlines
Deal found 4/23$310
This SmartFares deal was found by Cheapflights users on 4/22. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/117:14 amAUS - SDQ
1 stop6h 46mSpirit Airlines
Wed 6/254:37 pmSDQ - AUS
1 stop7h 27mSpirit Airlines
Deal found 4/22$327
This Priceline deal was found by Cheapflights users on 4/23. 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.
Wed 5/77:14 amAUS - PUJ
1 stop6h 03mSpirit Airlines
Sat 5/103:22 pmPUJ - AUS
1 stop8h 41mSpirit Airlines
Deal found 4/23$344
This Mytrip deal was found by Cheapflights users on 4/23. 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.
Wed 5/217:14 amAUS - STT
2 stops31h 16mMultiple Airlines
Wed 5/2810:52 amSTT - AUS
2 stops24h 21mMultiple Airlines
Deal found 4/23$353

Cheapflights Fare Finder

Customize your flight search to find flights from Austin 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 24, 2025.
Use the filters below to find and compare flights from Austin to Caribbean Islands that are best for you.

Fly from

Austin

Fly to

Caribbean Islands

Route

Depart

Return

Price

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Sat 5/17

5:15 am-6:45 pm

1 stop12h 30m

San Juan Luis Munoz Marin Intl

Sat 5/24

4:00 pm-10:50 pm

1 stop7h 50m

$255

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Mon 6/16

7:15 am-7:19 pm

1 stop11h 04m

San Juan Luis Munoz Marin Intl

Fri 6/20

8:24 pm-10:25 am

1 stop15h 01m

$268

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Wed 6/4

1:00 pm-11:54 pm

1 stop9h 54m

San Juan Luis Munoz Marin Intl

Wed 6/11

2:05 am-8:37 am

1 stop7h 32m

$272

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Sun 5/11

9:40 am-7:44 pm

1 stop9h 04m

San Juan Luis Munoz Marin Intl

Sun 5/11

12:05 am-8:48 am

1 stop9h 43m

$293

AustinChristiansted

AUS - STX

AUSSTX

Austin Bergstrom

Tue 6/17

7:15 am-3:49 pm

1 stop7h 34m

Christiansted Henry Rohlsen

Tue 6/24

4:45 pm-11:04 pm

1 stop7h 19m

$299

AustinSaint Thomas Island

AUS - STT

AUSSTT

Austin Bergstrom

Thu 5/15

7:25 pm-12:26 pm

1 stop16h 01m

Saint Thomas Island Cyril E King

Tue 5/20

10:52 am-11:03 pm

1 stop13h 11m

$300

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Sat 5/17

7:14 am-7:07 pm

1 stop10h 53m

San Juan Luis Munoz Marin Intl

Sun 5/25

6:00 am-5:00 pm

1 stop12h 00m

$303

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Fri 5/2

10:28 am-8:20 pm

2 stops8h 52m

San Juan Luis Munoz Marin Intl

Sat 5/17

1:30 pm-10:12 pm

2 stops9h 42m

$310

AustinSanto Domingo

AUS - SDQ

AUSSDQ

Austin Bergstrom

Wed 6/11

7:14 am-3:00 pm

1 stop6h 46m

Santo Domingo Las Americas

Wed 6/25

4:37 pm-11:04 pm

1 stop7h 27m

$327

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Tue 5/13

2:43 pm-10:47 pm

1 stop7h 04m

San Juan Luis Munoz Marin Intl

Sat 5/17

12:50 pm-6:54 pm

1 stop7h 04m

$344

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 57 results
1
2
3
...
6

Best time to book a flight from Austin to Caribbean Islands

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

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

Currently, September is the cheapest month in which you can book a flight from Austin to Caribbean Islands (average of $254). Flying from Austin to Caribbean Islands in December is currently the most expensive (average of $336). 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 AUS to EPX?

Find hourly flight availability from Austin 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 April 24, 2025.

When flying from Austin 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.

Rainfall in Caribbean Islands by month

Plan your trip to Caribbean Islands by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Caribbean Islands ranges from 2.2 - 6.1 inches per month. November is typically the wettest month, when rainfall can reach 6.1 in. February is typically the driest time to visit Caribbean Islands when rainfall is around 2.2 in.

Temperature in Caribbean Islands by month

Plan your trip to Caribbean Islands by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Caribbean Islands, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).

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 24, 2025.
To help decide which airline to fly from Austin to Caribbean Islands, see what other customers have to say about Alaska Airlines, Southwest and Delta. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,918 reviews

Food

7.1

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,918 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Food

7.1

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Food

7.1

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,920 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Food

7.1

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Copa Airlines
7.6
Good
1,411 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Food

7.1

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
LATAM Airlines
7.5
Good
1,767 reviews
Alaska Airlines
8.0
Very good
9,918 reviews

Food

7.1

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

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

    Austin Bergstrom (AUS) is the airport you will fly out of if you book a flight from Austin to Caribbean Islands. It is only a 7.5 mi journey to Austin Bergstrom (AUS) from Austin’s city center.

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

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $128. Spirit Airlines flights start at $144 while deals on Frontier start at $149 one-way.

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

    While some choose either Austin Bergstrom - Punta Cana or Austin Bergstrom - Saint Thomas Island Cyril E King, Austin Bergstrom - San Juan Luis Munoz Marin Intl is the most popular route from Austin to Caribbean Islands.

  • What are the cheapest flights from Austin to Caribbean Islands?

    Looking at all options, your cheapest flight can be booked for $123. While the most popular route (Austin Bergstrom - San Juan Luis Munoz Marin Intl) can be booked for $255 on average our data indicates $542 when flying from Austin to Caribbean Islands.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Austin 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 Austin to Caribbean Islands?

    Currently, September is the cheapest month in which you can book a flight from Austin to Caribbean Islands (average of $254). Flying from Austin to Caribbean Islands in December is currently the most expensive (average of $336). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Austin to Caribbean Islands

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to John F Kennedy Intl flights
Dallas/Fort Worth to Cancún flights
Dallas/Fort Worth to Seattle flights
Dallas/Fort Worth to LaGuardia flights
Dallas/Fort Worth to O'Hare Intl flights
Dallas/Fort Worth to Newark flights
Dallas/Fort Worth to Las Vegas flights
George Bush Intcntl to Cancún flights
Hobby to Las Vegas flights
Dallas/Fort Worth to Denver flights
Dallas/Fort Worth to Orlando flights
Dallas/Fort Worth to Dulles Intl flights
Dallas/Fort Worth to Los Angeles flights
Hobby to Seattle flights
Hobby to Newark flights
Dallas/Fort Worth to Baltimore flights
George Bush Intcntl to Las Vegas flights
Dallas/Fort Worth to Midway flights
Love Field to Cancún flights
Hobby to John F Kennedy Intl flights
Dallas/Fort Worth to Mexico City flights
Dallas/Fort Worth to Fort Lauderdale flights
Hobby to LaGuardia flights
Dallas/Fort Worth to San Francisco flights
Dallas/Fort Worth to Boston flights
Dallas/Fort Worth to Reagan-National flights
Dallas/Fort Worth to Cozumel flights
Hobby to Denver flights
Hobby to Cancún flights
Austin to Seattle flights
George Bush Intcntl to John F Kennedy Intl flights
George Bush Intcntl to Newark flights
George Bush Intcntl to Seattle flights
George Bush Intcntl to LaGuardia flights
Dallas/Fort Worth to Miami flights
Dallas/Fort Worth to Atlanta flights
Dallas/Fort Worth to Portland flights
Hobby to Los Angeles flights
Dallas/Fort Worth to Santa Ana flights
Austin to Newark flights
Dallas/Fort Worth to Philadelphia flights
Hobby to Orlando flights
Hobby to Miami flights
George Bush Intcntl to Denver flights
Hobby to Boston flights
Austin to John F Kennedy Intl flights
Dallas/Fort Worth to Salt Lake City flights
Dallas/Fort Worth to Burbank flights
Dallas/Fort Worth to Nashville flights
Dallas/Fort Worth to Detroit flights

Top 8 airlines flying from Austin to Caribbean Islands

Discover the top 8 airlines that operate flights from Austin 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 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$83Average$198FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$195Average$374FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$242Average$375FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$262Average$617FlexibilityNo cancel feeOn-time71%
DeltaCheapest$267Average$578FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$287Average$677FlexibilityNo cancel feeOn-time69%
Copa AirlinesCheapest$339Average$456FlexibilityNo cancel feeOn-time70%
SouthwestCheapest$362Average$712FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.