Caribbean Islands

$83+ 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 3/19. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — SJU
Feb 28 — Mar 71
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Cheap 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 January 29, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
Tue 2/247:15 am
AUS
-
SJU
1 stop6h 16m
Spirit Airlines
Fri 3/66:00 am
SJU
-
AUS
1 stop12h 04m
Spirit Airlines
Deal found 1/26$178
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Tue 2/247:15 am
AUS
-
SJU
1 stop6h 16m
Multiple Airlines
Sat 2/287:05 am
SJU
-
AUS
2 stops15h 48m
Multiple Airlines
Deal found 1/27$181
This Frontier deal was found by Cheapflights users on 1/27. 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.
Mon 4/278:36 pm
AUS
-
SJU
1 stop12h 18m
Frontier
Mon 5/46:30 am
SJU
-
AUS
1 stop14h 16m
Frontier
Deal found 1/27$182
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Tue 2/247:15 am
AUS
-
SJU
1 stop6h 16m
Spirit Airlines
Thu 2/266:00 am
SJU
-
AUS
1 stop12h 04m
Spirit Airlines
Deal found 1/28$183
This Kiwi.com deal was found by Cheapflights users on 1/29. 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.
Tue 3/37:15 am
AUS
-
SJU
1 stop6h 16m
Spirit Airlines
Sat 3/76:00 am
SJU
-
AUS
1 stop12h 04m
Spirit Airlines
Deal found 1/29$184
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Tue 2/247:15 am
AUS
-
SJU
1 stop6h 16m
Multiple Airlines
Wed 3/45:45 pm
SJU
-
AUS
2 stops41h 51m
Multiple Airlines
Deal found 1/27$185
This Kiwi.com deal was found by Cheapflights users on 1/29. 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.
Tue 3/37:15 am
AUS
-
SJU
1 stop6h 16m
Spirit Airlines
Tue 3/105:00 am
SJU
-
AUS
1 stop12h 04m
Spirit Airlines
Deal found 1/29$186
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 2/14:59 pm
AUS
-
SJU
1 stop14h 48m
Spirit Airlines
Wed 2/114:40 pm
SJU
-
AUS
1 stop6h 55m
Spirit Airlines
Deal found 1/27$187
This Kiwi.com deal was found by Cheapflights users on 1/29. 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.
Tue 2/247:15 am
AUS
-
SJU
1 stop6h 16m
Spirit Airlines
Thu 3/56:00 am
SJU
-
AUS
1 stop12h 04m
Spirit Airlines
Deal found 1/29$189
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Tue 2/247:15 am
AUS
-
SJU
1 stop6h 16m
Multiple Airlines
Tue 3/311:07 am
SJU
-
AUS
2 stops14h 06m
Multiple Airlines
Deal found 1/27$190
This Kiwi.com deal was found by Cheapflights users on 1/29. 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.
Tue 3/37:15 am
AUS
-
SJU
1 stop6h 16m
Spirit Airlines
Mon 3/95:00 am
SJU
-
AUS
1 stop12h 04m
Spirit Airlines
Deal found 1/29$191
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 1/314:59 pm
AUS
-
SJU
1 stop14h 55m
Multiple Airlines
Wed 2/114:40 pm
SJU
-
AUS
1 stop6h 55m
Multiple Airlines
Deal found 1/27$192

Find 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 January 29, 2026.

Round-trip from

$178
(Kiwi.com)

One-way from

$83
(FlightHub)

Popular in

December

Cheapest in

October

Average price

$365
From Austin Bergstrom to Caribbean Islands
One-way flight from Austin Bergstrom to Caribbean Islands
Highest demand for flights based on searches. 6% potential increase in price ($30 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($17 potential savings vs. average RT price).
Average for round-trip flights in January 2026

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 January 29, 2026.
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

AustinSaint Thomas Island

AUS - STT

AUSSTT

Austin Bergstrom

Tue 2/17

7:15 am-2:31 pm

2 stops29h 16m

Saint Thomas Island Cyril E King

Sun 2/22

5:40 pm-10:29 am

1 stop18h 49m

$230

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Tue 5/5

6:30 am-4:23 pm

1 stop8h 53m

San Juan Luis Munoz Marin Intl

Fri 5/8

6:15 am-3:54 pm

1 stop10h 39m

$266

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Sat 5/2

1:35 pm-11:40 pm

1 stop9h 05m

San Juan Luis Munoz Marin Intl

Sat 5/9

3:30 pm-9:20 pm

1 stop6h 50m

$266

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Thu 2/26

10:43 am-11:58 pm

1 stop11h 15m

San Juan Luis Munoz Marin Intl

Thu 3/5

6:37 pm-12:22 am

1 stop7h 45m

$266

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Tue 5/5

6:30 am-4:23 pm

1 stop8h 53m

San Juan Luis Munoz Marin Intl

Wed 5/13

5:15 pm-12:26 am

1 stop8h 11m

$266

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Sat 5/9

10:52 am-10:54 pm

1 stop11h 02m

San Juan Luis Munoz Marin Intl

Wed 5/13

7:30 am-6:35 pm

1 stop12h 05m

$266

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Fri 5/1

8:25 am-8:24 pm

1 stop10h 59m

San Juan Luis Munoz Marin Intl

Mon 5/11

12:50 pm-11:08 pm

1 stop11h 18m

$266

AustinSan Juan

AUS - SJU

AUSSJU

Austin Bergstrom

Sun 5/3

10:55 am-11:13 pm

1 stop11h 18m

San Juan Luis Munoz Marin Intl

Wed 5/13

5:15 pm-12:26 am

1 stop8h 11m

$266

AustinSaint Thomas Island

AUS - STT

AUSSTT

Austin Bergstrom

Fri 3/20

6:18 pm-1:26 pm

1 stop18h 08m

Saint Thomas Island Cyril E King

Tue 3/24

2:36 pm-5:19 pm

1 stop27h 43m

$268

AustinGeorge Town

AUS - GCM

AUSGCM

Austin Bergstrom

Tue 2/24

6:00 am-1:55 pm

1 stop6h 55m

George Town Owen Roberts Intl

Sat 2/28

2:50 pm-9:59 pm

1 stop8h 09m

$269

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 60 results
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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, January is the cheapest month in which you can book a flight from Austin to Caribbean Islands (average of $87). Flying from Austin to Caribbean Islands in August is currently the most expensive (average of $199). 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 January 29, 2026.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from Austin to Caribbean Islands. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.2

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.2

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.2

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.2

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.2

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Comfort

7.9

Crew

8.5

Boarding

8.1

Food

7.2

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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.

  • How long is the flight from Austin to Caribbean Islands?

    There are many flights that can get you from Austin to Caribbean Islands in 6h 55m. Fly via Spirit Airlines, Delta, or JetBlue to get the fastest option. There are 1267 mi between Austin and Caribbean Islands. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Austin 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 $58. Frontier flights start at $85 while deals on United Airlines start at $98 one-way.

  • What are the most popular routes 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, January is the cheapest month in which you can book a flight from Austin to Caribbean Islands (average of $87). Flying from Austin to Caribbean Islands in August is currently the most expensive (average of $199). 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 Austin to Caribbean Islands

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

Top 7 airlines flying from Austin to Caribbean Islands

Discover the top 7 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$123Average$362FlexibilityNo cancel feeOn-time65%
FrontierCheapest$145Average$297FlexibilityNo cancel feeOn-time62%
DeltaCheapest$166Average$555FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$245Average$536FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$245Average$605FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$264Average$644FlexibilityNo cancel feeOn-time63%
JetBlueCheapest$277Average$469FlexibilityNo cancel feeOn-time62%

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