Puerto Rico

$90+ Cheap flights from San Antonio (SAT) to Puerto Rico

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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — SJU
Jan 11 — Jan 181
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Antonio to Puerto Rico with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from San Antonio to Puerto Rico

Cheapest flights from San Antonio to Puerto Rico
Explore the most affordable flight options available from San Antonio to Puerto Rico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 12/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1710:27 amSAT - SJU
Nonstop4h 42mSpirit Airlines
Fri 12/266:30 amSJU - SAT
Nonstop5h 07mSpirit Airlines
Deal found 12/11$275
This CheapOair deal was found by Cheapflights users on 12/10. 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 12/10$282
This Expedia deal was found by Cheapflights users on 12/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1710:27 amSAT - SJU
Nonstop4h 42mMultiple Airlines
Thu 12/259:37 pmSJU - SAT
1 stop22h 39mMultiple Airlines
Deal found 12/11$286
This Expedia deal was found by Cheapflights users on 12/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/227:11 pmSAT - SJU
1 stop12h 12mMultiple Airlines
Fri 12/266:30 amSJU - SAT
Nonstop5h 07mMultiple Airlines
Deal found 12/10$289
This Super.com deal was found by Cheapflights users on 12/11. 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 12/1710:27 amSAT - SJU
Nonstop4h 42mSpirit Airlines
Wed 12/242:59 amSJU - SAT
1 stop10h 51mSpirit Airlines
Deal found 12/11$301
This CheapOair deal was found by Cheapflights users on 12/11. 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.
Wed 12/3110:42 amSAT - SJU
Nonstop4h 41mSpirit Airlines
Fri 1/26:30 amSJU - SAT
Nonstop5h 07mSpirit Airlines
Deal found 12/11$304
This American Airlines deal was found by Cheapflights users on 12/11. 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.
Tue 12/305:48 pmSAT - SJU
1 stop15h 51mAmerican Airlines
Tue 1/201:24 pmSJU - SAT
1 stop12h 35mAmerican Airlines
Deal found 12/11$310
This Cheapflightsfares deal was found by Cheapflights users on 12/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1710:27 amSAT - SJU
Nonstop4h 42mSpirit Airlines
Mon 12/226:30 amSJU - SAT
Nonstop5h 07mSpirit Airlines
Deal found 12/10$315
This CheapOair deal was found by Cheapflights users on 12/11. 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 12/2910:42 amSAT - SJU
Nonstop4h 41mSpirit Airlines
Wed 1/76:30 amSJU - SAT
Nonstop5h 07mSpirit Airlines
Deal found 12/11$316
This Kiwi.com deal was found by Cheapflights users on 12/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1710:27 amSAT - SJU
Nonstop4h 42mSpirit Airlines
Wed 12/246:30 amSJU - SAT
Nonstop5h 07mSpirit Airlines
Deal found 12/11$329
This Kiwi.com deal was found by Cheapflights users on 12/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:45 amSAT - BQN
2 stops42h 25mFrontier
Sun 1/47:19 pmBQN - SAT
1 stop24h 57mFrontier
Deal found 12/10$694
This Kiwi.com deal was found by Cheapflights users on 12/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3012:45 pmSAT - BQN
1 stop27h 02mMultiple Airlines
Sun 1/47:19 pmBQN - SAT
1 stop24h 57mMultiple Airlines
Deal found 12/10$743

Find flight deals from San Antonio to Puerto Rico

Keep the following information in mind while searching for San Antonio to Puerto Rico flight deals. Data was last updated December 12, 2025.

Most accurate provider

Expedia
2 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$191
(Priceline)

One-way from

$90
(Priceline)

Popular in

December

Cheapest in

October

Average price

$596

Good round-trip deal

$253 or less

Good one-way deal

$83 or less
Provider with most accurate pricing for San Antonio-Puerto Rico flight deals.
Provider most trusted by Cheapflights users for San Antonio-Puerto Rico flights.
From San Antonio to Puerto Rico
One-way flight from San Antonio to Puerto Rico
Highest demand for flights based on searches. 15% potential increase in price ($73 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($19 potential savings vs. average RT price).
Average for round-trip flights in December 2025
Price to beat on a round-trip flight from San Antonio to Puerto Rico.
Price to beat on a one-way flight from San Antonio to Puerto Rico.

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated December 12, 2025.
Use the filters below to find and compare flights from San Antonio to Puerto Rico that are best for you.

Fly from

San Antonio

Fly to

Puerto Rico

Route

Depart

Return

Price

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Sat 2/21

1:57 pm-2:53 am

1 stop10h 56m

San Juan Luis Munoz Marin Intl

Fri 2/27

3:53 am-1:12 pm

1 stop11h 19m

$231

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Mon 1/12

11:43 am-12:36 am

2 stops10h 53m

San Juan Luis Munoz Marin Intl

Fri 1/23

7:45 am-3:31 pm

1 stop9h 46m

$245

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Sun 2/1

5:10 pm-10:48 am

1 stop15h 38m

San Juan Luis Munoz Marin Intl

Wed 2/4

6:00 am-2:16 pm

2 stops10h 16m

$245

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Mon 1/5

7:11 pm-11:16 am

1 stop14h 05m

San Juan Luis Munoz Marin Intl

Sat 1/10

9:23 pm-6:18 pm

1 stop22h 55m

$272

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Mon 1/5

10:42 am-5:23 pm

Nonstop4h 41m

San Juan Luis Munoz Marin Intl

Sat 1/10

7:26 pm-11:00 am

3 stops41h 34m

$305

San AntonioAguadilla

SAT - BQN

SATBQN

San Antonio

Thu 1/8

9:50 am-11:57 pm

2 stops12h 07m

Aguadilla Borinquen

Tue 1/13

1:09 am-1:19 pm

2 stops14h 10m

$335

San AntonioAguadilla

SAT - BQN

SATBQN

San Antonio

Sun 1/25

7:00 am-11:57 pm

2 stops14h 57m

Aguadilla Borinquen

Wed 1/28

1:09 am-1:08 pm

2 stops13h 59m

$335

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Mon 2/23

11:43 am-9:26 pm

1 stop7h 43m

San Juan Luis Munoz Marin Intl

Wed 2/25

8:10 am-7:53 pm

2 stops13h 43m

$335

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Sun 2/22

9:58 am-9:26 pm

1 stop9h 28m

San Juan Luis Munoz Marin Intl

Fri 2/27

2:05 am-3:38 pm

2 stops15h 33m

$335

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Mon 1/26

7:00 am-12:36 am

2 stops15h 36m

San Juan Luis Munoz Marin Intl

Wed 1/28

2:05 am-1:08 pm

2 stops13h 03m

$335

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 41 results
1
2
3
...
5
  • Most accurate provider: When it comes to deals on San Antonio-Puerto Rico flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on San Antonio-Puerto Rico flight deals on Cheapflights vs. Expedia 90-95% of the time. Price accuracy is based on data collected from San Antonio-Puerto Rico flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Antonio-Puerto Rico flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Antonio-Puerto Rico flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from San Antonio to Puerto Rico

Have a flexible travel schedule? Discover the best time to fly to Puerto Rico 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 Puerto Rico

What is the cheapest month to book a flight from San Antonio to Puerto Rico?

Currently, September is the cheapest month in which you can book a flight from San Antonio to Puerto Rico (average of $116). Flying from San Antonio to Puerto Rico in August is currently the most expensive (average of $199). 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 PR?

Find hourly flight availability from San Antonio to Puerto Rico. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

It’s typically best to fly out from San Antonio to Puerto Rico in the evening. Doing so could potentially save you 51% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from San Antonio to Puerto Rico?

Use this chart to determine the cheapest time to fly round-trip from San Antonio to Puerto Rico. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their San Antonio to Puerto Rico flight should consider departing on Monday evenings when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

How often are flights from San Antonio to Puerto Rico delayed?

About 25% of weekly flights between San Antonio and Puerto Rico have experienced delays in the past year, with the average delay time being 125 minutes.

What is the most punctual flight time for San Antonio to Puerto Rico flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Saturday tends to have the lowest number of delays on this route, whereas Wednesday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on San Antonio to Puerto Rico flights?

Over the last year, Spirit Airlines have had the lowest number of delays on this route, with just 25% of flights being delayed.

Reviews of airlines servicing Puerto Rico

Get insights into the airlines that provide service to Puerto Rico. 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 Puerto Rico. Reviews last updated December 12, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta, and United Airlines from San Antonio to Puerto Rico to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.5

Food

7.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Entertainment

7.5

Food

7.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Entertainment

7.5

Food

7.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Entertainment

7.5

Food

7.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Entertainment

7.5

Food

7.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Entertainment

7.5

Food

7.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

Find useful and relevant information for your journey from San Antonio to Puerto Rico. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from San Antonio to Puerto Rico?

    Most people fly from San Antonio (SAT) if they book a flight from San Antonio to Puerto Rico. San Antonio is conveniently located just 7.6 mi from San Antonio’s city center.

  • How long is the flight from San Antonio to Puerto Rico?

    Airlines like Frontier, United Airlines, and American Airlines fly from San Antonio to Puerto Rico in about 10h 53m. The time it takes to get you to your destination can typically vary by up to 4h 45m. The distance between San Antonio and Puerto Rico is about 2177 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from San Antonio to Puerto Rico one-way?

    One-way options have recently been found by users for as low as $60 on Frontier. Other airlines that offer cheap prices include Spirit Airlines from $87 and Delta from $122 one-way.

  • What are the most popular routes from San Antonio to Puerto Rico?

  • What are the cheapest flights from San Antonio to Puerto Rico?

    Looking for the cheapest flight from San Antonio to Puerto Rico? While on average our users pay $234, our data indicates the cheapest price to be $47. The most popular route (San Antonio - San Juan Luis Munoz Marin Intl), is priced around $191.

  • Can I find deals for flights from San Antonio to Puerto Rico that include hotel bookings?

    Yes. In addition to deals on San Antonio to Puerto Rico flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Antonio to Puerto Rico?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Antonio to Puerto Rico.

  • Can I find deals for business class flights from San Antonio to Puerto Rico?

    Yes. Cheapflights offers flight deals from San Antonio to Puerto Rico by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Antonio to Puerto Rico?

    Currently, September is the cheapest month in which you can book a flight from San Antonio to Puerto Rico (average of $116). Flying from San Antonio to Puerto Rico in August is currently the most expensive (average of $199). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San Antonio to Puerto Rico

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from San Antonio to Puerto Rico

Discover the top 6 airlines that operate flights from San Antonio to Puerto Rico. 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 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$133Average$464FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$163Average$290FlexibilityNo cancel feeOn-time65%
DeltaCheapest$225Average$386FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$245Average$508FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$265Average$531FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$303Average$492FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.