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Cheap flights from San Antonio to Puerto Rico from $92

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 Puerto Rico departing on 11/23. 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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0 bags

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Cheap round-trip flights

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Multiple Airlines Logo
9:10 am - 2:50 amSAT-SJU
15h 40m1 stop
Multiple Airlines Logo
6:15 am - 9:22 amSJU-SAT
5h 07mnonstop
$183Multiple Airlines
Find Deal
Thu, Dec 4 - Mon, Dec 8
Spirit Airlines Logo
4:54 pm - 10:49 amSAT-SJU
15h 55m1 stop
Spirit Airlines Logo
6:16 pm - 9:23 pmSJU-SAT
5h 07mnonstop
$190Spirit Airlines
Find Deal
Tue, Nov 25 - Thu, Nov 27
Spirit Airlines Logo
10:27 am - 5:09 pmSAT-SJU
4h 42mnonstop
Spirit Airlines Logo
6:30 am - 9:37 amSJU-SAT
5h 07mnonstop
$193Spirit Airlines
Find Deal
Fri, Dec 12 - Fri, Dec 19
Spirit Airlines Logo
10:27 am - 5:09 pmSAT-SJU
4h 42mnonstop
Spirit Airlines Logo
6:30 am - 9:37 amSJU-SAT
5h 07mnonstop
$194Spirit Airlines
Find Deal
Mon, Dec 8 - Mon, Dec 22
Spirit Airlines Logo
8:33 pm - 10:49 amSAT-SJU
12h 16m1 stop
Spirit Airlines Logo
6:16 pm - 9:23 pmSJU-SAT
5h 07mnonstop
$197Spirit Airlines
Find Deal
Mon, Nov 24 - Thu, Nov 27
Frontier Logo
3:02 pm - 2:50 amSAT-SJU
9h 48m1 stop
Frontier Logo
3:55 am - 2:07 pmSJU-SAT
12h 12m1 stop
$216Frontier
Find Deal
Sun, Feb 22 - Fri, Feb 27
Frontier Logo
3:02 pm - 8:32 pmSAT-SJU
27h 30m1 stop
Frontier Logo
3:55 am - 2:07 pmSJU-SAT
12h 12m1 stop
$225Frontier
Find Deal
Sat, Feb 21 - Fri, Feb 27
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
United Airlines Logo
9:58 am - 12:36 amSAT-SJU
12h 38m2 stops
United Airlines Logo
6:45 am - 3:43 pmSJU-SAT
9h 58m1 stop
$279United Airlines
Find Deal
Tue, Mar 3 - Tue, Mar 17
United Airlines Logo
2:10 pm - 11:57 pmSAT-BQN
31h 47m2 stops
United Airlines Logo
1:09 am - 1:13 pmBQN-SAT
14h 04m2 stops
$507United Airlines
Find Deal
Sun, Mar 1 - Wed, Mar 4

Frontier flights from San Antonio to Puerto Rico

Our best Frontier deals on San Antonio to Puerto Rico flight tickets
Frontier
Feb 22
SAT3:02 pmSan Antonio
9h 48m
1 stop
SJU2:50 amSan Juan Luis Munoz Marin Intl
Feb 27
SJU3:55 amSan Juan Luis Munoz Marin Intl
12h 12m
1 stop
SAT2:07 pmSan Antonio
$216
Find similar
Frontier
Feb 21
SAT3:02 pmSan Antonio
27h 30m
1 stop
SJU8:32 pmSan Juan Luis Munoz Marin Intl
Feb 27
SJU3:55 amSan Juan Luis Munoz Marin Intl
12h 12m
1 stop
SAT2:07 pmSan Antonio
$225
Find similar
Frontier
Jan 8
SAT7:34 pmSan Antonio
29h 16m
1 stop
SJU2:50 amSan Juan Luis Munoz Marin Intl
Jan 10
SJU3:55 amSan Juan Luis Munoz Marin Intl
16h 44m
1 stop
SAT6:39 pmSan Antonio
$231
Find similar

Spirit Airlines flights from San Antonio to Puerto Rico

Our best Spirit Airlines deals on San Antonio to Puerto Rico flight tickets
Spirit Airlines
Nov 25
SAT4:54 pmSan Antonio
15h 55m
1 stop
SJU10:49 amSan Juan Luis Munoz Marin Intl
Nov 27
SJU6:16 pmSan Juan Luis Munoz Marin Intl
5h 07m
SAT9:23 pmSan Antonio
$190
Find similar
Spirit Airlines
Dec 12
SAT10:27 amSan Antonio
4h 42m
SJU5:09 pmSan Juan Luis Munoz Marin Intl
Dec 19
SJU6:30 amSan Juan Luis Munoz Marin Intl
5h 07m
SAT9:37 amSan Antonio
$193
Find similar
Spirit Airlines
Dec 8
SAT10:27 amSan Antonio
4h 42m
SJU5:09 pmSan Juan Luis Munoz Marin Intl
Dec 22
SJU6:30 amSan Juan Luis Munoz Marin Intl
5h 07m
SAT9:37 amSan Antonio
$194
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San Antonio to Puerto Rico 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 November 12, 2025.
Use the filters below to find and compare flights from San Antonio to Puerto Rico that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Thu 12/4

9:10 am-2:50 am

1 stop15h 40m

San Juan Luis Munoz Marin Intl

Mon 12/8

6:15 am-9:22 am

Nonstop5h 07m

$183

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Tue 11/25

4:54 pm-10:49 am

1 stop15h 55m

San Juan Luis Munoz Marin Intl

Thu 11/27

6:16 pm-9:23 pm

Nonstop5h 07m

$190

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Fri 12/12

10:27 am-5:09 pm

Nonstop4h 42m

San Juan Luis Munoz Marin Intl

Fri 12/19

6:30 am-9:37 am

Nonstop5h 07m

$193

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Mon 12/8

10:27 am-5:09 pm

Nonstop4h 42m

San Juan Luis Munoz Marin Intl

Mon 12/22

6:30 am-9:37 am

Nonstop5h 07m

$194

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Mon 11/24

8:33 pm-10:49 am

1 stop12h 16m

San Juan Luis Munoz Marin Intl

Thu 11/27

6:16 pm-9:23 pm

Nonstop5h 07m

$197

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Sun 2/22

3:02 pm-2:50 am

1 stop9h 48m

San Juan Luis Munoz Marin Intl

Fri 2/27

3:55 am-2:07 pm

1 stop12h 12m

$216

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Sat 2/21

3:02 pm-8:32 pm

1 stop27h 30m

San Juan Luis Munoz Marin Intl

Fri 2/27

3:55 am-2:07 pm

1 stop12h 12m

$225

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

Tue 3/3

9:58 am-12:36 am

2 stops12h 38m

San Juan Luis Munoz Marin Intl

Tue 3/17

6:45 am-3:43 pm

1 stop9h 58m

$279

San AntonioAguadilla

SAT - BQN

SATBQN

San Antonio

Sun 3/1

2:10 pm-11:57 pm

2 stops31h 47m

Aguadilla Borinquen

Wed 3/4

1:09 am-1:13 pm

2 stops14h 04m

$507

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Puerto Rico from

How to get the cheapest flight ticket from San Antonio to Puerto Rico

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 Puerto Rico?

If you don’t want to visit Puerto Rico in October, then you should wait until September to fly from San Antonio, when ticket prices are also cheap, with an average price of $317.

What is the cheapest day to depart on your flight to Puerto Rico?

On average, the least expensive day to fly to Puerto Rico from San Antonio is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $236. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Puerto Rico is Saturday, with ticket prices averaging around $382.

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

Our most recent data shows that the best time of day to fly to Puerto Rico is at noon. Flights from San Antonio to Puerto Rico during this time can be as low as $212. In contrast, the most expensive time of day to depart to Puerto Rico is in the evening when prices are around $438.

What is the cheapest San Antonio to Puerto Rico flight route?

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

How far in advance should I book a flight to Puerto Rico?

You are more likely to see cheaper flights to Puerto Rico from San Antonio when booking weeks ahead of your departure date. In general, you can expect to find flights to Puerto Rico for around $396 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Puerto Rico from San Antonio for as low as $317 on momondo.

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

There are 2 cabin classes available to choose from on San Antonio to Puerto Rico 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 Puerto Rico flight deals and tips

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

Best Price Found

$159

Fastest flight time

4h 41m

Direct flights

Tue, Thu and Sat

Airports in Puerto Rico

1 airport
The best one-way flight to Puerto Rico from San Antonio in the past 72 hours is $159. The best round-trip flight deal from San Antonio to Puerto Rico found on momondo in the last 72 hours is $213.
The fastest flight from San Antonio to Puerto Rico takes 4h 41m
Direct flights go from San Antonio to Puerto Rico on Tuesday, Thursday and Saturday. The only airline offering direct flights is Spirit Airlines.
There is 1 airport near Puerto Rico: San Juan Luis Munoz Marin Intl (SJU)
Search flight deals

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

    Prices for flights from San Antonio Airport to Puerto Rico refresh daily.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San Antonio Airport to Puerto Rico.

  • What documentation or ID do you need to fly to Puerto Rico?

    The travel and health documents you'll need for your trip to Puerto Rico may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Puerto Rico. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from San Antonio to Puerto Rico

Compare and see reviews for airlines that fly from San Antonio to Puerto Rico with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $133Free CancellationRating
5.8
3,113 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $161Free CancellationRating
6.3
8,137 reviews
Search Spirit Airlines flights
DeltaPriceFrom $228Free CancellationRating
7.9
8,008 reviews
Search Delta flights
United AirlinesPriceFrom $245Free CancellationRating
7.4
9,015 reviews
Search United Airlines flights
SouthwestPriceFrom $267Free CancellationRating
8.0
4,235 reviews
Search Southwest flights
American AirlinesPriceFrom $310Free CancellationRating
7.2
11,050 reviews
Search American Airlines flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from San Antonio to Puerto Rico for you.

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

momondo does allow users to show only those flights to Puerto Rico from San Antonio which offer a flexible booking policy as well as other useful filters and features.

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

momondo helps you find the best flight between San Antonio and Puerto Rico by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Price alerts on flights to Puerto Rico from San Antonio are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Puerto Rico trip

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Find better results for your trip to Puerto Rico

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