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$92+ 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 11/25. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — SJU
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
1 adult, Economy
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Cheap 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 November 6, 2025.

Most accurate provider

Expedia
2 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$182
(Kiwi.com)

One-way from

$92
(Super.com)

Popular in

December

Cheapest in

September

Average price

$429

Good round-trip deal

$213 or less

Good one-way deal

$159 or less
Provider with most accurate pricing for San Antonio-Puerto Rico flight deals.
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Provider most trusted by Cheapflights users for San Antonio-Puerto Rico flights.
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From San Antonio to Puerto Rico
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One-way flight from San Antonio to Puerto Rico
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($93 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from San Antonio to Puerto Rico.
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Price to beat on a one-way flight from San Antonio to Puerto Rico.
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Find 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 November 6, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/5. 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.
Fri 12/1210:27 amSAT - SJU
Nonstop4h 42mSpirit Airlines
Fri 12/266:30 amSJU - SAT
Nonstop5h 07mSpirit Airlines
Deal found 11/5$182
This Kiwi.com deal was found by Cheapflights users on 11/5. 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.
Fri 12/510:27 amSAT - SJU
Nonstop4h 42mSpirit Airlines
Mon 12/86:15 amSJU - SAT
Nonstop5h 07mSpirit Airlines
Deal found 11/5$185
This Cheapflightsfares deal was found by Cheapflights users on 11/4. 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.
Mon 12/810:27 amSAT - SJU
Nonstop4h 42mSpirit Airlines
Mon 12/226:30 amSJU - SAT
Nonstop5h 07mSpirit Airlines
Deal found 11/4$186
This Priceline deal was found by Cheapflights users on 11/5. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/38:33 pmSAT - SJU
1 stop12h 00mMultiple Airlines
Tue 12/93:55 amSJU - SAT
1 stop30h 20mMultiple Airlines
Deal found 11/5$198
This Kiwi.com deal was found by Cheapflights users on 11/5. 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 12/1010:27 amSAT - SJU
Nonstop4h 42mSpirit Airlines
Thu 12/186:28 pmSJU - SAT
1 stop6h 58mSpirit Airlines
Deal found 11/5$205
This Cheapflightsfares deal was found by Cheapflights users on 11/6. 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.
Fri 12/53:10 pmSAT - SJU
1 stop7h 06mSpirit Airlines
Wed 12/106:15 amSJU - SAT
Nonstop5h 07mSpirit Airlines
Deal found 11/6$206
This Kiwi.com deal was found by Cheapflights users on 11/5. 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.
Fri 12/1210:27 amSAT - SJU
Nonstop4h 42mSpirit Airlines
Thu 12/186:28 pmSJU - SAT
1 stop6h 58mSpirit Airlines
Deal found 11/5$212
This Cheapflightsfares deal was found by Cheapflights users on 11/6. 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.
Sat 12/63:10 pmSAT - SJU
1 stop7h 06mSpirit Airlines
Mon 12/86:15 amSJU - SAT
Nonstop5h 07mSpirit Airlines
Deal found 11/6$213
This Cheapflightsfares deal was found by Cheapflights users on 11/4. 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 12/38:33 pmSAT - SJU
1 stop12h 00mSpirit Airlines
Mon 12/86:15 amSJU - SAT
Nonstop5h 07mSpirit Airlines
Deal found 11/4$216
This CheapOair deal was found by Cheapflights users on 11/6. 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.
Sat 11/224:54 pmSAT - SJU
1 stop15h 55mSpirit Airlines
Tue 12/26:16 pmSJU - SAT
Nonstop5h 07mSpirit Airlines
Deal found 11/6$220
This United Airlines deal was found by Cheapflights users on 11/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/67:30 pmSAT - BQN
2 stops26h 27mUnited Airlines
Tue 11/111:09 amBQN - SAT
2 stops13h 55mUnited Airlines
Deal found 11/5$1,609

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 November 6, 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

Sun 2/1

8:00 am-8:57 pm

1 stop10h 57m

San Juan Luis Munoz Marin Intl

Tue 2/10

6:27 pm-12:41 am

1 stop8h 14m

$245

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Tue 1/27

12:25 pm-12:35 am

2 stops10h 10m

San Juan Luis Munoz Marin Intl

Sat 1/31

5:30 am-1:15 pm

2 stops9h 45m

$280

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Sun 1/25

5:25 am-10:22 pm

2 stops14h 57m

San Juan Luis Munoz Marin Intl

Tue 1/27

2:05 am-3:31 pm

2 stops15h 26m

$335

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Sun 2/1

7:00 am-12:36 am

2 stops15h 36m

San Juan Luis Munoz Marin Intl

Mon 2/9

2:05 am-1:19 pm

2 stops13h 14m

$335

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Sun 2/1

7:30 pm-6:11 am

1 stop8h 41m

San Juan Luis Munoz Marin Intl

Tue 2/3

2:05 am-3:31 pm

2 stops15h 26m

$335

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Mon 1/19

7:00 am-10:22 pm

2 stops13h 22m

San Juan Luis Munoz Marin Intl

Mon 1/26

7:45 am-3:31 pm

1 stop9h 46m

$356

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Sun 12/7

5:10 am-2:14 pm

1 stop7h 04m

San Juan Luis Munoz Marin Intl

Tue 12/16

1:55 pm-12:34 am

1 stop12h 39m

$365

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Tue 12/9

5:10 am-5:28 pm

1 stop10h 18m

San Juan Luis Munoz Marin Intl

Tue 12/16

6:38 pm-12:34 am

1 stop7h 56m

$365

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Mon 12/8

5:10 am-5:28 pm

1 stop10h 18m

San Juan Luis Munoz Marin Intl

Tue 12/16

1:55 pm-12:34 am

1 stop12h 39m

$365

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Tue 12/9

6:30 am-5:28 pm

1 stop8h 58m

San Juan Luis Munoz Marin Intl

Wed 12/17

6:38 pm-12:34 am

1 stop7h 56m

$365

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/4

Showing 1-10 of 22 results
1
2
3
  • 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 January is currently the most expensive (average of $220). 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 November 6, 2025.

It’s typically best to fly out from San Antonio to Puerto Rico in the evening. Doing so could potentially save you 50% 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.

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 November 6, 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.
Southwest
8.0
Very good
4,241 reviews

Food

7.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,241 reviews
Southwest
8.0
Very good
4,241 reviews

Food

7.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
7.9
Good
8,001 reviews
Southwest
8.0
Very good
4,241 reviews

Food

7.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
9,007 reviews
Southwest
8.0
Very good
4,241 reviews

Food

7.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,040 reviews
Southwest
8.0
Very good
4,241 reviews

Food

7.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Spirit Airlines
6.3
Okay
8,122 reviews
Southwest
8.0
Very good
4,241 reviews

Food

7.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

Boarding

8.1

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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 Delta, Southwest, and United Airlines fly from San Antonio to Puerto Rico in about 10h 10m. The time it takes to get you to your destination can typically vary by up to 4h 47m. 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 most popular routes from San Antonio to Puerto Rico?

    The most popular flight routes from San Antonio to Puerto Rico are San Antonio - San Juan Luis Munoz Marin Intl, San Antonio - Culebra and San Antonio - Aguadilla Borinquen.

  • 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 $277, our data indicates the cheapest price to be $97. The most popular route (San Antonio - San Juan Luis Munoz Marin Intl), is priced around $167.

  • 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 January is currently the most expensive (average of $220). 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

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Alternative routes for San Antonio to Puerto Rico

See prices for flight routes from nearby airports that may be better suited for you.
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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 November 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$133Average$528FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$161Average$289FlexibilityNo cancel feeOn-time65%
DeltaCheapest$228Average$429FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$245Average$552FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$267Average$537FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$310Average$490FlexibilityNo cancel feeOn-time71%

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