$87+ 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 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — SJU
Jan 22 — Jan 291
1 adult, Economy
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Cheapest flights from San Antonio to Caribbean IslandsExplore 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 December 23, 2025.
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 December 23, 2025.
This Priceline deal was found by Cheapflights users on 12/22. 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.
Wed 12/317:11 pmSAT - SJU
1 stop12h 12mMultiple Airlines
Wed 1/76:30 amSJU - SAT
Nonstop5h 07mMultiple Airlines
Deal found 12/22![Multiple Airlines logo]()
$303
This eDestinos deal was found by Cheapflights users on 12/21. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2910:42 amSAT - SJU
Nonstop4h 41mSpirit Airlines
Tue 1/62:59 amSJU - SAT
1 stop10h 51mSpirit Airlines
Deal found 12/21![Spirit Airlines logo]()
$315
This Priceline deal was found by Cheapflights users on 12/22. 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.
Wed 12/317:11 pmSAT - SJU
1 stop12h 12mFrontier
Wed 1/77:18 pmSJU - SAT
1 stop25h 00mFrontier
Deal found 12/22![Frontier logo]()
$322
This Priceline deal was found by Cheapflights users on 12/22. 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.
Wed 12/3110:42 amSAT - SJU
Nonstop4h 41mSpirit Airlines
Wed 1/76:30 amSJU - SAT
Nonstop5h 07mSpirit Airlines
Deal found 12/22![Spirit Airlines logo]()
$346
This Frontier deal was found by Cheapflights users on 12/21. 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.
Fri 12/267:11 pmSAT - SJU
1 stop11h 43mFrontier
Wed 12/317:30 amSJU - SAT
1 stop11h 31mFrontier
Deal found 12/21![Frontier logo]()
$364
This Priceline deal was found by Cheapflights users on 12/21. 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.
Mon 12/2210:42 amSAT - SJU
Nonstop4h 41mSpirit Airlines
Mon 12/296:30 amSJU - SAT
Nonstop5h 07mSpirit Airlines
Deal found 12/21![Spirit Airlines logo]()
$372
This eDestinos deal was found by Cheapflights users on 12/21. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/297:11 pmSAT - SJU
1 stop12h 12mFrontier
Wed 1/79:23 pmSJU - SAT
1 stop22h 55mFrontier
Deal found 12/21![Frontier logo]()
$382
This CheapOair deal was found by Cheapflights users on 12/21. 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.
Mon 12/2210:42 amSAT - SJU
Nonstop4h 41mSpirit Airlines
Fri 12/266:30 amSJU - SAT
Nonstop5h 07mSpirit Airlines
Deal found 12/21![Spirit Airlines logo]()
$406
This Super.com deal was found by Cheapflights users on 12/20. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:11 pmSAT - SJU
1 stop12h 12mFrontier
Mon 1/56:00 amSJU - SAT
1 stop14h 16mFrontier
Deal found 12/20![Frontier logo]()
$412
This Delta deal was found by Cheapflights users on 12/21. 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.
Thu 12/255:10 amSAT - PUJ
1 stop7h 03mDelta
Tue 12/304:46 pmPUJ - SAT
1 stop9h 52mDelta
Deal found 12/21![Delta logo]()
$594
This American Airlines deal was found by Cheapflights users on 12/21. 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.
Thu 12/255:00 amSAT - PUJ
1 stop7h 51mAmerican Airlines
Tue 12/301:15 pmPUJ - SAT
2 stops11h 38mAmerican Airlines
Deal found 12/21![American Airlines logo]()
$598
This American Airlines deal was found by Cheapflights users on 12/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/295:00 amSAT - SDQ
1 stop10h 51mAmerican Airlines
Mon 1/124:47 pmSDQ - SAT
1 stop9h 12mAmerican Airlines
Deal found 12/22![American Airlines logo]()
$633
Find 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 December 23, 2025.
Round-trip from | $199 (Frontier) |
|---|---|
One-way from | $87 (eDestinos) |
Popular in | December |
Cheapest in | October |
Average price | $586 |
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 December 23, 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
Sat 1/17
7:20 pm-6:11 am
1 stop8h 51m
San Juan Luis Munoz Marin Intl
Fri 1/23
2:05 am-1:19 pm
2 stops13h 14m
$245
San AntonioSan Juan
SAT - SJU
SATSJU
San Antonio
Tue 2/24
8:00 am-9:12 pm
1 stop11h 12m
San Juan Luis Munoz Marin Intl
Wed 3/4
6:37 pm-12:35 am
1 stop7h 58m
$245
San AntonioSan Juan
SAT - SJU
SATSJU
San Antonio
Wed 3/18
5:00 am-10:31 pm
1 stop16h 31m
San Juan Luis Munoz Marin Intl
Wed 3/25
1:44 pm-10:55 pm
1 stop10h 11m
$245
San AntonioSan Juan
SAT - SJU
SATSJU
San Antonio
Tue 2/24
7:40 am-4:36 pm
1 stop6h 56m
San Juan Luis Munoz Marin Intl
Mon 3/2
2:05 am-11:48 am
1 stop11h 43m
$245
San AntonioSan Juan
SAT - SJU
SATSJU
San Antonio
Tue 2/24
5:30 am-5:27 pm
1 stop9h 57m
San Juan Luis Munoz Marin Intl
Tue 3/3
6:37 pm-12:35 am
1 stop7h 58m
$245
San AntonioSan Juan
SAT - SJU
SATSJU
San Antonio
Wed 2/11
6:30 am-11:33 pm
1 stop15h 03m
San Juan Luis Munoz Marin Intl
Mon 2/16
6:00 am-9:30 am
2 stops53h 30m
$296
San AntonioSan Juan
SAT - SJU
SATSJU
San Antonio
Sat 4/25
10:26 am-8:44 pm
1 stop9h 18m
San Juan Luis Munoz Marin Intl
Wed 4/29
3:43 pm-10:29 pm
1 stop7h 46m
$296
San AntonioSaint Thomas Island
SAT - STT
SATSTT
San Antonio
Thu 2/19
6:00 am-2:31 pm
1 stop6h 31m
Saint Thomas Island Cyril E King
Tue 2/24
3:36 pm-11:59 pm
1 stop10h 23m
$315
San AntonioSan Juan
SAT - SJU
SATSJU
San Antonio
Sun 3/8
5:53 pm-10:40 am
1 stop15h 47m
San Juan Luis Munoz Marin Intl
Wed 3/25
7:40 am-10:55 pm
1 stop16h 15m
$320
San AntonioOranjestad
SAT - AUA
SATAUA
San Antonio
Sat 2/14
10:26 am-3:45 pm
1 stop27h 19m
Oranjestad Reina Beatrix
Sat 2/21
4:40 pm-9:30 am
1 stop18h 50m
$332
Showing 1-10 of 60 results
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, January is the cheapest month in which you can book a flight from San Antonio to Caribbean Islands (average of $87). Flying from San Antonio to Caribbean Islands in August is currently the most expensive (average of $198). 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 December 23, 2025.
It’s typically best to fly out from San Antonio to Caribbean Islands at noon. Doing so could potentially save you 21% on the flight price compared to flying in the evening, which is usually more expensive.
What is the cheapest day to fly from San Antonio to Caribbean Islands?
Use this chart to determine the cheapest time to fly round-trip from San Antonio to Caribbean Islands. Price data was last updated on December 16, 2024.
Travelers seeking maximum savings on their San Antonio to Caribbean Islands flight should consider departing on Sunday afternoons when fares are most often at their lowest. Thursday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
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 December 23, 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.
Boarding
8.1
Food
7.0
Comfort
8.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Food
7.0
Comfort
8.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Food
7.0
Comfort
8.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Food
7.0
Comfort
8.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Food
7.0
Comfort
8.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Boarding
8.1
Food
7.0
Comfort
8.0
Entertainment
7.5
Overall
8.0
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
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.
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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 December 23, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$130 | Average$458 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$164 | Average$361 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$190 | Average$555 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$245 | Average$637 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$265 | Average$696 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$293 | Average$612 | FlexibilityNo cancel fee | On-time71% |