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Cheap flights from San Antonio to Caribbean from $100

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Antonio to Caribbean departing on 11/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

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Spirit Airlines Logo
6:20 am - 1:00 pmSAT-SJU
4h 40mnonstop
Spirit Airlines Logo
1:55 pm - 4:43 pmSJU-SAT
4h 48mnonstop
$183Spirit Airlines
Find Deal
Fri, Jan 9 - Mon, Jan 12
Spirit Airlines Logo
10:42 am - 5:23 pmSAT-SJU
4h 41mnonstop
Spirit Airlines Logo
1:55 pm - 4:43 pmSJU-SAT
4h 48mnonstop
$184Spirit Airlines
Find Deal
Fri, Jan 2 - Mon, Jan 12
Delta Logo
8:00 am - 8:57 pmSAT-SJU
10h 57m1 stop
Delta Logo
6:27 pm - 12:41 amSJU-SAT
8h 14m1 stop
$245Delta
Find Deal
Sun, Feb 1 - Wed, Feb 4
Frontier Logo
3:02 pm - 2:50 amSAT-SJU
9h 48m1 stop
Frontier Logo
7:00 am - 2:07 pmSJU-SAT
9h 07m1 stop
$287Frontier
Find Deal
Sat, Feb 21 - Sat, Feb 28
American Airlines Logo
5:10 am - 5:05 pmSAT-STT
9h 55m1 stop
American Airlines Logo
6:39 pm - 12:18 pmSTT-SAT
19h 39m2 stops
$349American Airlines
Find Deal
Fri, Jan 9 - Mon, Jan 12
Frontier Logo
7:11 pm - 11:20 amSAT-SDQ
14h 09m1 stop
Frontier Logo
10:56 am - 6:39 pmSDQ-SAT
9h 43m1 stop
$392Frontier
Find Deal
Mon, Dec 29 - Thu, Jan 8
American Airlines Logo
6:00 am - 4:54 pmSAT-STT
8h 54m1 stop
American Airlines Logo
6:17 pm - 11:59 pmSTT-SAT
7h 42m1 stop
$400American Airlines
Find Deal
Sat, Nov 29 - Sat, Dec 6
Delta Logo
5:15 am - 2:42 pmSAT-SDQ
7h 27m1 stop
Delta Logo
8:40 pm - 10:54 amSDQ-SAT
16h 14m1 stop
$460Delta
Find Deal
Mon, Nov 17 - Fri, Nov 21
United Airlines Logo
7:05 am - 1:46 pmSAT-MBJ
29h 41m1 stop
United Airlines Logo
2:48 pm - 11:00 pmMBJ-SAT
9h 12m1 stop
$551United Airlines
Find Deal
Thu, Nov 27 - Thu, Dec 4
United Airlines Logo
2:12 pm - 1:46 pmSAT-MBJ
22h 34m1 stop
United Airlines Logo
5:14 pm - 8:50 amMBJ-SAT
16h 36m2 stops
$555United Airlines
Find Deal
Tue, Dec 16 - Thu, Dec 18

Spirit Airlines flights from San Antonio to Caribbean

Our best Spirit Airlines deals on San Antonio to Caribbean flight tickets
Spirit Airlines
Jan 9
SAT6:20 amSan Antonio
4h 40m
SJU1:00 pmSan Juan Luis Munoz Marin Intl
Jan 12
SJU1:55 pmSan Juan Luis Munoz Marin Intl
4h 48m
SAT4:43 pmSan Antonio
$183
Find similar
Spirit Airlines
Jan 2
SAT10:42 amSan Antonio
4h 41m
SJU5:23 pmSan Juan Luis Munoz Marin Intl
Jan 12
SJU1:55 pmSan Juan Luis Munoz Marin Intl
4h 48m
SAT4:43 pmSan Antonio
$184
Find similar
Spirit Airlines
Jan 28
SAT6:20 amSan Antonio
4h 40m
SJU1:00 pmSan Juan Luis Munoz Marin Intl
Feb 4
SJU1:55 pmSan Juan Luis Munoz Marin Intl
4h 48m
SAT4:43 pmSan Antonio
$189
Find similar

United Airlines flights from San Antonio to Caribbean

Our best United Airlines deals on San Antonio to Caribbean flight tickets
United Airlines
Nov 10
SAT7:40 amSan Antonio
6h 56m
1 stop
SJU4:36 pmSan Juan Luis Munoz Marin Intl
Nov 19
SJU2:05 amSan Juan Luis Munoz Marin Intl
10h 15m
1 stop
SAT10:20 amSan Antonio
$310
Find similar
United Airlines
Nov 11
SAT11:40 amSan Antonio
10h 56m
2 stops
SJU12:36 amSan Juan Luis Munoz Marin Intl
Nov 21
SJU2:05 amSan Juan Luis Munoz Marin Intl
10h 38m
1 stop
SAT10:43 amSan Antonio
$370
Find similar
United Airlines
Nov 11
SAT5:30 amSan Antonio
9h 06m
1 stop
SJU4:36 pmSan Juan Luis Munoz Marin Intl
Nov 20
SJU2:05 amSan Juan Luis Munoz Marin Intl
11h 15m
1 stop
SAT11:20 amSan Antonio
$378
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San Antonio 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, momondo users made 832,500 searches. Data last updated October 30, 2025.
Use the filters below to find and compare flights from San Antonio to Caribbean that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Fri 1/9

6:20 am-1:00 pm

Nonstop4h 40m

San Juan Luis Munoz Marin Intl

Mon 1/12

1:55 pm-4:43 pm

Nonstop4h 48m

$183

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Fri 1/2

10:42 am-5:23 pm

Nonstop4h 41m

San Juan Luis Munoz Marin Intl

Mon 1/12

1:55 pm-4:43 pm

Nonstop4h 48m

$184

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Sun 2/1

8:00 am-8:57 pm

1 stop10h 57m

San Juan Luis Munoz Marin Intl

Wed 2/4

6:27 pm-12:41 am

1 stop8h 14m

$245

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Sat 2/21

3:02 pm-2:50 am

1 stop9h 48m

San Juan Luis Munoz Marin Intl

Sat 2/28

7:00 am-2:07 pm

1 stop9h 07m

$287

San AntonioSaint Thomas Island

SAT - STT

SATSTT

San Antonio

Fri 1/9

5:10 am-5:05 pm

1 stop9h 55m

Saint Thomas Island Cyril E King

Mon 1/12

6:39 pm-12:18 pm

2 stops19h 39m

$349

San AntonioSanto Domingo

SAT - SDQ

SATSDQ

San Antonio

Mon 12/29

7:11 pm-11:20 am

1 stop14h 09m

Santo Domingo Las Americas

Thu 1/8

10:56 am-6:39 pm

1 stop9h 43m

$392

San AntonioSaint Thomas Island

SAT - STT

SATSTT

San Antonio

Sat 11/29

6:00 am-4:54 pm

1 stop8h 54m

Saint Thomas Island Cyril E King

Sat 12/6

6:17 pm-11:59 pm

1 stop7h 42m

$400

San AntonioSanto Domingo

SAT - SDQ

SATSDQ

San Antonio

Mon 11/17

5:15 am-2:42 pm

1 stop7h 27m

Santo Domingo Las Americas

Fri 11/21

8:40 pm-10:54 am

1 stop16h 14m

$460

San AntonioMontego Bay

SAT - MBJ

SATMBJ

San Antonio

Thu 11/27

7:05 am-1:46 pm

1 stop29h 41m

Montego Bay Sangster Intl

Thu 12/4

2:48 pm-11:00 pm

1 stop9h 12m

$551

San AntonioMontego Bay

SAT - MBJ

SATMBJ

San Antonio

Tue 12/16

2:12 pm-1:46 pm

1 stop22h 34m

Montego Bay Sangster Intl

Thu 12/18

5:14 pm-8:50 am

2 stops16h 36m

$555

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from San Antonio to Caribbean

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Caribbean?

In general, September is the cheapest month to fly from San Antonio to Caribbean. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $317. If you don’t want to visit Caribbean in September, then you should wait until October to fly from San Antonio, when ticket prices are also cheap, with an average price of $322.

What is the cheapest day to depart on your flight to Caribbean?

The cheapest day to depart from San Antonio to Caribbean is on a Tuesday when prices can be found for as low as $236. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $382. These prices are subject to change though, so be sure to set up a Price Alert for flights to Caribbean.

What is the cheapest time of day to depart on your flight to Caribbean?

At noon is the cheapest time of day to fly from San Antonio to Caribbean when you can find flight prices for as low as $212. Flying to Caribbean at noon is an ideal time because this is during off-peak travel hours. Flights in the evening are often more expensive with an average ticket price of $438.

What is the cheapest San Antonio to Caribbean flight route?

Fly from San Antonio to San Juan Luis Munoz Marin Intl for the best San Antonio - Caribbean flight prices

How far in advance should I book a flight to Caribbean?

You are more likely to see cheaper flights to Caribbean from San Antonio when booking weeks ahead of your departure date. In general, you can expect to find flights to Caribbean for around $405 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Caribbean from San Antonio for as low as $333 on momondo.

What cabin class options are available on San Antonio to Caribbean flights?

There are 2 cabin classes available to choose from on San Antonio to Caribbean flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap San Antonio to Caribbean flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Antonio to Caribbean

Best Price Found

$139

Fastest flight time

4h 40m

Direct flights

Tue, Thu, Sat and Sun

Airports in Caribbean

1 airport
The best one-way flight to Caribbean from San Antonio in the past 72 hours is $139. The best round-trip flight deal from San Antonio to Caribbean found on momondo in the last 72 hours is $213.
The fastest flight from San Antonio to Caribbean takes 4h 40m
Direct flights go from San Antonio to Caribbean on Tuesday, Thursday, Saturday and Sunday. The only airline offering direct flights is Spirit Airlines.
There is 1 airport near Caribbean: San Juan Luis Munoz Marin Intl (SJU)
Search flight deals

  • When did momondo last update prices for flights from San Antonio Airport to Caribbean?

    Prices for flights from San Antonio Airport to Caribbean are refreshed on a daily basis.

  • How many operators does momondo search for flights from San Antonio Airport to Caribbean?

  • How old do you have to be to fly from San Antonio Airport to Caribbean?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Antonio Airport to Caribbean.

  • What documentation or ID do you need to fly to Caribbean?

    The required travel and health documents for your Caribbean trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Caribbean. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from San Antonio to Caribbean?

Best airlines flying from San Antonio to Caribbean

Compare and see reviews for airlines that fly from San Antonio to Caribbean with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $133Free CancellationRating
5.8
3,123 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $161Free CancellationRating
6.3
8,115 reviews
Search Spirit Airlines flights
DeltaPriceFrom $211Free CancellationRating
7.9
7,993 reviews
Search Delta flights
United AirlinesPriceFrom $245Free CancellationRating
7.4
8,998 reviews
Search United Airlines flights
SouthwestPriceFrom $268Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
American AirlinesPriceFrom $311Free CancellationRating
7.2
11,030 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from San Antonio to Caribbean?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Caribbean from San Antonio.

Can I find flights from San Antonio to Caribbean with flexible booking policies on momondo?

Yes. All flights to Caribbean from San Antonio on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from San Antonio to Caribbean?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Caribbean from San Antonio.

I’m not ready to book a flight from San Antonio to Caribbean right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Caribbean from San Antonio. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Caribbean trip

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1 adult
Sat 11/29
Sat 12/6
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Find better results for your trip to Caribbean

Popular cities in Caribbean

Popular flights according to clicks in the last 7 days on momondo
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Flights to Saint Thomas Islandfrom $186
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Flights to Simpson Bayfrom $230
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