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Cheap flights from Puerto Rico to San Antonio from $91

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Puerto Rico to San Antonio departing on 12/24. 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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Find the cheapest flights from Puerto Rico to San Antonio

Recent round-trip flight deals from Puerto Rico to San Antonio

Enter your travel dates to find the best prices.
Spirit Airlines Logo
6:15 am - 9:22 amSJU-SAT
5h 07mnonstop
Spirit Airlines Logo
10:27 am - 5:09 pmSAT-SJU
4h 42mnonstop
$172Spirit Airlines
Find Deal
Fri, Dec 5 - Wed, Dec 10
Spirit Airlines Logo
6:15 am - 9:22 amSJU-SAT
5h 07mnonstop
Spirit Airlines Logo
10:27 am - 5:09 pmSAT-SJU
4h 42mnonstop
$175Spirit Airlines
Find Deal
Fri, Dec 5 - Wed, Dec 10
Spirit Airlines Logo
6:15 am - 9:22 amSJU-SAT
5h 07mnonstop
Spirit Airlines Logo
10:27 am - 5:09 pmSAT-SJU
4h 42mnonstop
$176Spirit Airlines
Find Deal
Fri, Dec 5 - Wed, Dec 10
Spirit Airlines Logo
7:00 am - 10:07 amSJU-SAT
5h 07mnonstop
Spirit Airlines Logo
6:20 am - 1:00 pmSAT-SJU
4h 40mnonstop
$182Spirit Airlines
Find Deal
Fri, Dec 26 - Mon, Jan 12
Spirit Airlines Logo
6:30 am - 9:37 amSJU-SAT
5h 07mnonstop
Spirit Airlines Logo
6:20 am - 1:00 pmSAT-SJU
4h 40mnonstop
$184Spirit Airlines
Find Deal
Fri, Dec 26 - Mon, Jan 12
Multiple Airlines Logo
6:16 pm - 9:23 pmSJU-SAT
5h 07mnonstop
Multiple Airlines Logo
8:33 pm - 2:54 amSAT-SJU
28h 21m1 stop
$212Multiple Airlines
Find Deal
Thu, Nov 20 - Mon, Nov 24
Multiple Airlines Logo
7:15 am - 10:22 amSJU-SAT
5h 07mnonstop
Multiple Airlines Logo
5:46 pm - 9:37 amSAT-SJU
13h 51m2 stops
$233Multiple Airlines
Find Deal
Fri, Dec 5 - Sun, Dec 7
United Airlines Logo
7:45 am - 1:12 pmSJU-SAT
7h 27m1 stop
United Airlines Logo
7:00 am - 10:22 pmSAT-SJU
13h 22m2 stops
$245United Airlines
Find Deal
Fri, Dec 5 - Wed, Dec 10
Frontier Logo
1:59 am - 7:43 pmSJU-SAT
19h 44m2 stops
Frontier Logo
2:04 pm - 5:54 pmSAT-SJU
25h 50m2 stops
$278Frontier
Find Deal
Wed, Nov 12 - Mon, Nov 17
United Airlines Logo
12:15 am - 7:36 pmBQN-SAT
20h 21m3 stops
United Airlines Logo
12:50 pm - 11:09 pmSAT-BQN
9h 19m1 stop
$335United Airlines
Find Deal
Tue, Apr 21 - Wed, May 6

Frontier flights from Puerto Rico to San Antonio

Our best Frontier deals on Puerto Rico to San Antonio flight tickets
Frontier
Nov 12
SJU1:59 amSan Juan Luis Munoz Marin Intl
19h 44m
2 stops
SAT7:43 pmSan Antonio
Nov 17
SAT2:04 pmSan Antonio
25h 50m
2 stops
SJU5:54 pmSan Juan Luis Munoz Marin Intl
$278
Find similar
Frontier
Nov 13
SJU7:30 amSan Juan Luis Munoz Marin Intl
14h 13m
2 stops
SAT7:43 pmSan Antonio
Nov 16
SAT8:25 pmSan Antonio
12h 36m
2 stops
SJU11:01 amSan Juan Luis Munoz Marin Intl
$311
Find similar
Frontier
Nov 6
SJU7:30 amSan Juan Luis Munoz Marin Intl
13h 36m
2 stops
SAT7:06 pmSan Antonio
Nov 13
SAT8:38 pmSan Antonio
17h 32m
2 stops
SJU4:10 pmSan Juan Luis Munoz Marin Intl
$324
Find similar

Spirit Airlines flights from Puerto Rico to San Antonio

Our best Spirit Airlines deals on Puerto Rico to San Antonio flight tickets
Spirit Airlines
Dec 5
SJU6:15 amSan Juan Luis Munoz Marin Intl
5h 07m
SAT9:22 amSan Antonio
Dec 10
SAT10:27 amSan Antonio
4h 42m
SJU5:09 pmSan Juan Luis Munoz Marin Intl
$172
Find similar
Spirit Airlines
Dec 5
SJU6:15 amSan Juan Luis Munoz Marin Intl
5h 07m
SAT9:22 amSan Antonio
Dec 10
SAT10:27 amSan Antonio
4h 42m
SJU5:09 pmSan Juan Luis Munoz Marin Intl
$175
Find similar
Spirit Airlines
Dec 5
SJU6:15 amSan Juan Luis Munoz Marin Intl
5h 07m
SAT9:22 amSan Antonio
Dec 10
SAT10:27 amSan Antonio
4h 42m
SJU5:09 pmSan Juan Luis Munoz Marin Intl
$176
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Puerto Rico to San Antonio 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 Puerto Rico to San Antonio that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San JuanSan Antonio

SJU - SAT

SJUSAT

San Juan Luis Munoz Marin Intl

Fri 12/5

6:15 am-9:22 am

Nonstop5h 07m

San Antonio

Wed 12/10

10:27 am-5:09 pm

Nonstop4h 42m

$172

San JuanSan Antonio

SJU - SAT

SJUSAT

San Juan Luis Munoz Marin Intl

Fri 12/5

6:15 am-9:22 am

Nonstop5h 07m

San Antonio

Wed 12/10

10:27 am-5:09 pm

Nonstop4h 42m

$175

San JuanSan Antonio

SJU - SAT

SJUSAT

San Juan Luis Munoz Marin Intl

Fri 12/5

6:15 am-9:22 am

Nonstop5h 07m

San Antonio

Wed 12/10

10:27 am-5:09 pm

Nonstop4h 42m

$176

San JuanSan Antonio

SJU - SAT

SJUSAT

San Juan Luis Munoz Marin Intl

Fri 12/26

7:00 am-10:07 am

Nonstop5h 07m

San Antonio

Mon 1/12

6:20 am-1:00 pm

Nonstop4h 40m

$182

San JuanSan Antonio

SJU - SAT

SJUSAT

San Juan Luis Munoz Marin Intl

Fri 12/26

6:30 am-9:37 am

Nonstop5h 07m

San Antonio

Mon 1/12

6:20 am-1:00 pm

Nonstop4h 40m

$184

San JuanSan Antonio

SJU - SAT

SJUSAT

San Juan Luis Munoz Marin Intl

Thu 11/20

6:16 pm-9:23 pm

Nonstop5h 07m

San Antonio

Mon 11/24

8:33 pm-2:54 am

1 stop28h 21m

$212

San JuanSan Antonio

SJU - SAT

SJUSAT

San Juan Luis Munoz Marin Intl

Fri 12/5

7:15 am-10:22 am

Nonstop5h 07m

San Antonio

Sun 12/7

5:46 pm-9:37 am

2 stops13h 51m

$233

San JuanSan Antonio

SJU - SAT

SJUSAT

San Juan Luis Munoz Marin Intl

Fri 12/5

7:45 am-1:12 pm

1 stop7h 27m

San Antonio

Wed 12/10

7:00 am-10:22 pm

2 stops13h 22m

$245

San JuanSan Antonio

SJU - SAT

SJUSAT

San Juan Luis Munoz Marin Intl

Wed 11/12

1:59 am-7:43 pm

2 stops19h 44m

San Antonio

Mon 11/17

2:04 pm-5:54 pm

2 stops25h 50m

$278

AguadillaSan Antonio

BQN - SAT

BQNSAT

Aguadilla Borinquen

Tue 4/21

12:15 am-7:36 pm

3 stops20h 21m

San Antonio

Wed 5/6

12:50 pm-11:09 pm

1 stop9h 19m

$335

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 San Antonio from

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

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 San Antonio?

If you aren’t able to travel during the month of March, then book flights to San Antonio from Puerto Rico during August instead. Flights to San Antonio in August, while not as cheap as those in March, still average around $283.

What is the cheapest day to depart on your flight to San Antonio?

The cheapest day to depart on your flight to San Antonio is on a Wednesday when prices can be found for as low as $155. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to San Antonio on Monday is $361.

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

According to our data, the cheapest time of day to fly to San Antonio is in the morning. momondo users have found flights departing from Puerto Rico to San Antonio in the morning for as low as $254. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to San Antonio are more costly in the evening, with an average ticket price of $414. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

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

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

How far in advance should I book a flight to San Antonio?

You are more likely to see cheaper flights to San Antonio from Puerto Rico when booking weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around $343 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Antonio from Puerto Rico for as low as $301 on momondo.

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

There is only 1 cabin class available to choose from on Puerto Rico to San Antonio flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Puerto Rico to San Antonio flights?

You could potentially save up to 21% on your flight if you consider stops on a Puerto Rico to San Antonio flight.

Cheap Puerto Rico to San Antonio flight deals and tips

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

Best Price Found

$142

Fastest flight time

4h 48m

Direct flights

Tue, Wed, Thu, Fri, Sat and Sun

Airports in San Antonio

1 airport
The best one-way flight to San Antonio from Puerto Rico in the past 72 hours is $142. The best round-trip flight deal from Puerto Rico to San Antonio found on momondo in the last 72 hours is $231.
The fastest flight from Puerto Rico to San Antonio takes 4h 48m
Direct flights go from Puerto Rico to San Antonio on Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday. The only airline offering direct flights is Spirit Airlines.
There is 1 airport near San Antonio: San Antonio (SAT)
Search flight deals

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

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

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

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

    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 Puerto Rico to San Antonio Airport.

  • What documentation or ID do you need to fly to San Antonio Airport?

    The travel and health documents you'll need for your trip to San Antonio Airport 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 San Antonio Airport. 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 Puerto Rico to San Antonio?

Best airlines flying from Puerto Rico to San Antonio

Compare and see reviews for airlines that fly from Puerto Rico to San Antonio with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $122Free CancellationRating
7.9
7,993 reviews
Search Delta flights
Spirit AirlinesPriceFrom $172Free CancellationRating
6.3
8,115 reviews
Search Spirit Airlines flights
FrontierPriceFrom $220Free CancellationRating
5.8
3,123 reviews
Search Frontier flights
United AirlinesPriceFrom $245Free CancellationRating
7.4
8,998 reviews
Search United Airlines flights
SouthwestPriceFrom $265Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
American AirlinesPriceFrom $283Free CancellationRating
7.2
11,030 reviews
Search American Airlines flights

Traveling to a place near San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
New Braunfels
Boerne
Kerrville
Schertz
Pleasanton

Why use momondo?

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

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 San Antonio from Puerto Rico.

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

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

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

momondo provides multiple filters to help you find the best flight to San Antonio from Puerto Rico. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to San Antonio from Puerto Rico. 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.

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