What is the cheapest airline that flies from Puerto Rico to San Antonio?

Delta, United Airlines, and Frontier are the most popular carriers operating from Puerto Rico to San Antonio

What airlines fly to San Antonio?

American Airlines, Spirit Airlines and United Airlines are the top three most popular airlines that fly to San Antonio from Puerto Rico according to our data. American Airlines is the first choice among our users, with 33% of people opting to fly with this airline when traveling to San Antonio. Keep in mind that there are 7 different airlines that fly to San Antonio on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to San Antonio?

Flight times vary depending on what airport in Puerto Rico you fly out of and what airport in San Antonio you fly into. For example, flying from San Juan to Austin takes 4h 50m on average. On the other hand, flying from Aguadilla to Austin takes 8h 06m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

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?

The number of operators available for flights from Puerto Rico to San Antonio Airport is 6 as of April 2026.

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.

$138 Cheap Flights from Puerto Rico to San Antonio in 2026

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Find the cheapest flights from Puerto Rico to San Antonio

Round-trip

One-way

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

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11:00 am - 3:53 pm

SJU

SAT

29h 53m

2 stops

2:12 pm - 11:24 pm

SAT

SJU

8h 12m

1 stop

$261Multiple Airlines

Tue, Apr 14 - Sat, Apr 18

11:02 am - 1:17 pm

SJU

SAT

27h 15m

2 stops

2:12 pm - 11:24 pm

SAT

SJU

8h 12m

1 stop

$265Spirit Airlines

Fri, Apr 17 - Mon, Apr 20

3:26 pm - 3:53 pm

SJU

SAT

25h 27m

2 stops

2:12 pm - 11:24 pm

SAT

SJU

8h 12m

1 stop

$266Multiple Airlines

Tue, Apr 14 - Sat, Apr 18

12:57 pm - 1:17 pm

SJU

SAT

25h 20m

3 stops

2:12 pm - 11:24 pm

SAT

SJU

8h 12m

1 stop

$272Spirit Airlines

Fri, Apr 17 - Mon, Apr 20

12:57 pm - 11:51 pm

SJU

SAT

11h 54m

1 stop

4:04 pm - 2:01 am

SAT

SJU

32h 57m

2 stops

$283Multiple Airlines

Thu, Apr 16 - Tue, Apr 21

12:57 pm - 11:51 pm

SJU

SAT

11h 54m

1 stop

3:00 pm - 9:54 am

SAT

SJU

17h 54m

2 stops

$287Multiple Airlines

Thu, Apr 16 - Mon, Apr 20

6:00 am - 11:51 pm

SJU

SAT

18h 51m

1 stop

3:00 pm - 9:54 am

SAT

SJU

17h 54m

2 stops

$293Multiple Airlines

Fri, Apr 17 - Mon, Apr 20

2:38 am - 9:24 am

BQN

SAT

7h 46m

1 stop

7:54 pm - 2:02 am

SAT

BQN

29h 08m

2 stops

$335Frontier

Thu, Apr 16 - Fri, May 8

12:15 am - 10:34 am

BQN

SAT

11h 19m

1 stop

12:20 pm - 11:09 pm

SAT

BQN

9h 49m

1 stop

$455United Airlines

Thu, Apr 16 - Fri, May 8

12:15 am - 10:34 am

BQN

SAT

11h 19m

1 stop

12:20 pm - 11:09 pm

SAT

BQN

9h 49m

1 stop

$467United Airlines

Wed, May 6 - Mon, May 11

United Airlines flights from Puerto Rico to San Antonio

Our best United Airlines deals on Puerto Rico to San Antonio flight tickets

United Airlines

Apr 16

BQN12:15 amAguadilla Borinquen

11h 19m

1 stop

SAT10:34 amSan Antonio

May 8

SAT12:20 pmSan Antonio

9h 49m

1 stop

BQN11:09 pmAguadilla Borinquen

$455

United Airlines

May 6

BQN12:15 amAguadilla Borinquen

11h 19m

1 stop

SAT10:34 amSan Antonio

May 11

SAT12:20 pmSan Antonio

9h 49m

1 stop

BQN11:09 pmAguadilla Borinquen

$467

United Airlines

May 6

BQN12:15 amAguadilla Borinquen

14h 01m

2 stops

SAT1:16 pmSan Antonio

May 11

SAT12:20 pmSan Antonio

9h 49m

1 stop

BQN11:09 pmAguadilla Borinquen

$498

Spirit Airlines flights from Puerto Rico to San Antonio

Our best Spirit Airlines deals on Puerto Rico to San Antonio flight tickets

Spirit Airlines

Apr 24

SJU12:57 pmSan Juan Luis Munoz Marin Intl

11h 54m

1 stop

SAT11:51 pmSan Antonio

May 2

SAT6:00 amSan Antonio

12h 22m

1 stop

SJU7:22 pmSan Juan Luis Munoz Marin Intl

$294

Spirit Airlines

Apr 13

SJU1:45 amSan Juan Luis Munoz Marin Intl

11h 42m

1 stop

SAT12:27 pmSan Antonio

Apr 18

SAT2:12 pmSan Antonio

8h 12m

1 stop

SJU11:24 pmSan Juan Luis Munoz Marin Intl

$296

Spirit Airlines

Apr 17

SJU11:02 amSan Juan Luis Munoz Marin Intl

27h 15m

2 stops

SAT1:17 pmSan Antonio

Apr 20

SAT6:00 amSan Antonio

12h 22m

1 stop

SJU7:22 pmSan Juan Luis Munoz Marin Intl

$297

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San JuanSan Antonio

SJU - SAT

SJUSAT

San Juan Luis Munoz Marin Intl

Tue 4/14

11:00 am-3:53 pm

2 stops29h 53m

San Antonio

Sat 4/18

2:12 pm-11:24 pm

1 stop8h 12m

$261

San JuanSan Antonio

SJU - SAT

SJUSAT

San Juan Luis Munoz Marin Intl

Fri 4/17

11:02 am-1:17 pm

2 stops27h 15m

San Antonio

Mon 4/20

2:12 pm-11:24 pm

1 stop8h 12m

$265

San JuanSan Antonio

SJU - SAT

SJUSAT

San Juan Luis Munoz Marin Intl

Tue 4/14

3:26 pm-3:53 pm

2 stops25h 27m

San Antonio

Sat 4/18

2:12 pm-11:24 pm

1 stop8h 12m

$266

San JuanSan Antonio

SJU - SAT

SJUSAT

San Juan Luis Munoz Marin Intl

Fri 4/17

12:57 pm-1:17 pm

3 stops25h 20m

San Antonio

Mon 4/20

2:12 pm-11:24 pm

1 stop8h 12m

$272

San JuanSan Antonio

SJU - SAT

SJUSAT

San Juan Luis Munoz Marin Intl

Thu 4/16

12:57 pm-11:51 pm

1 stop11h 54m

San Antonio

Tue 4/21

4:04 pm-2:01 am

2 stops32h 57m

$283

San JuanSan Antonio

SJU - SAT

SJUSAT

San Juan Luis Munoz Marin Intl

Thu 4/16

12:57 pm-11:51 pm

1 stop11h 54m

San Antonio

Mon 4/20

3:00 pm-9:54 am

2 stops17h 54m

$287

San JuanSan Antonio

SJU - SAT

SJUSAT

San Juan Luis Munoz Marin Intl

Fri 4/17

6:00 am-11:51 pm

1 stop18h 51m

San Antonio

Mon 4/20

3:00 pm-9:54 am

2 stops17h 54m

$293

AguadillaSan Antonio

BQN - SAT

BQNSAT

Aguadilla Borinquen

Thu 4/16

2:38 am-9:24 am

1 stop7h 46m

San Antonio

Fri 5/8

7:54 pm-2:02 am

2 stops29h 08m

$335

Quickest round-trip

AguadillaSan Antonio

BQN - SAT

BQNSAT

Aguadilla Borinquen

Thu 4/16

12:15 am-10:34 am

1 stop11h 19m

San Antonio

Fri 5/8

12:20 pm-11:09 pm

1 stop9h 49m

$455

AguadillaSan Antonio

BQN - SAT

BQNSAT

Aguadilla Borinquen

Wed 5/6

12:15 am-10:34 am

1 stop11h 19m

San Antonio

Mon 5/11

12:20 pm-11:09 pm

1 stop9h 49m

$467

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

What is the cheapest month to fly to San Antonio?

If you aren’t able to travel during the month of October, 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 October, still average around $279.

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 Thursday when prices can be found for as low as $167. 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 Saturday as prices are generally higher than usual. According to our data, the average ticket price to San Antonio on Saturday is $423.

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 $255. 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 at noon, with an average ticket price of $418. Departure times at noon 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 $352 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 $282 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?

No. A direct flight is the cheapest option for a flight between Puerto Rico to San Antonio.

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

Fastest flight time	7h 45m
Direct flights	None

The fastest flight from Puerto Rico to San Antonio takes 7h 45m

There are no direct flights from Puerto Rico to San Antonio. There are no popular flight routes from Puerto Rico to San Antonio.

Search flight deals

Frequently asked questions about flying from Puerto Rico to San Antonio

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?
The number of operators available for flights from Puerto Rico to San Antonio Airport is 6 as of April 2026.
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?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Puerto Rico to San Antonio is Airbus A320neo (35.71% of total bookings). The next most popular plane models are Airbus A321neo (35.71%), Airbus A318/A319/A320/A321 (14.29%), and Airbus A321-100/200 (7.14%).

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
Frontier	PriceFrom $90	Free Cancellation	Rating 5.7 3,006 reviews	Search Frontier flights
Delta	PriceFrom $122	Free Cancellation	Rating 7.9 8,367 reviews	Search Delta flights
Spirit Airlines	PriceFrom $145	Free Cancellation	Rating 6.3 8,573 reviews	Search Spirit Airlines flights
United Airlines	PriceFrom $232	Free Cancellation	Rating 7.4 9,530 reviews	Search United Airlines flights
American Airlines	PriceFrom $246	Free Cancellation	Rating 7.1 11,545 reviews	Search American Airlines flights
Southwest	PriceFrom $280	Free Cancellation	Rating 8.0 4,336 reviews	Search Southwest flights

New Braunfels

Kerrville

Boerne

Pleasanton

Schertz

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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Cheap flights from Puerto Rico to San Antonio from $138

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 5/11. 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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How to get the cheapest flight ticket from Puerto Rico to San Antonio

What is the cheapest month to fly to San Antonio?

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

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

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

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

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

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

What is the cheapest airline that flies from Puerto Rico to San Antonio?

What airlines fly to San Antonio?

How long does it take to fly to San Antonio?

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

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Frequently asked questions about flying 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

Traveling to a place near San Antonio?

Why use momondo?

An easier way to manage your San Antonio trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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