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$122+ 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 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — SJU
Nov 22 — Nov 291
Sat 11/22
Sat 11/29
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 October 23, 2025.

Most accurate provider

Expedia
2 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$182
(Cheapflightsfares)

One-way from

$122
(Cheapflightsfares)

Popular in

December

Cheapest in

September

Average price

$322

Good round-trip deal

$195 or less

Good one-way deal

$138 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.
Search Deals
From San Antonio to Puerto Rico
Search Deals
One-way flight from San Antonio to Puerto Rico
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($101 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).
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Average for round-trip flights in October 2025
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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 October 23, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/22. 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.
Mon 12/16:25 amSAT - SJU
Nonstop4h 42mSpirit Airlines
Wed 12/177:00 amSJU - SAT
Nonstop5h 07mSpirit Airlines
Deal found 10/22$184
This Kiwi.com deal was found by Cheapflights users on 10/22. 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 12/36:25 amSAT - SJU
Nonstop4h 42mSpirit Airlines
Fri 12/127:00 amSJU - SAT
Nonstop5h 07mSpirit Airlines
Deal found 10/22$188
This Kiwi.com deal was found by Cheapflights users on 10/22. 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.
Mon 12/16:25 amSAT - SJU
Nonstop4h 42mSpirit Airlines
Fri 12/127:00 amSJU - SAT
Nonstop5h 07mSpirit Airlines
Deal found 10/22$193
This Kiwi.com deal was found by Cheapflights users on 10/20. 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.
Mon 11/39:59 amSAT - SJU
Nonstop4h 42mSpirit Airlines
Fri 11/144:08 pmSJU - SAT
Nonstop5h 07mSpirit Airlines
Deal found 10/20$197
This Kiwi.com deal was found by Cheapflights users on 10/22. 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 12/36:25 amSAT - SJU
Nonstop4h 42mSpirit Airlines
Mon 12/157:00 amSJU - SAT
Nonstop5h 07mSpirit Airlines
Deal found 10/22$198
This Kiwi.com deal was found by Cheapflights users on 10/22. 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.
Mon 12/16:25 amSAT - SJU
Nonstop4h 42mSpirit Airlines
Mon 12/157:00 amSJU - SAT
Nonstop5h 07mSpirit Airlines
Deal found 10/22$203
This Cheapflightsfares deal was found by Cheapflights users on 10/21. 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 12/612:45 pmSAT - SJU
1 stop9h 31mSpirit Airlines
Wed 12/107:00 amSJU - SAT
Nonstop5h 07mSpirit Airlines
Deal found 10/21$205
This CheapOair deal was found by Cheapflights users on 10/23. 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.
Fri 12/52:13 pmSAT - SJU
1 stop8h 03mSpirit Airlines
Wed 12/107:15 amSJU - SAT
Nonstop5h 07mSpirit Airlines
Deal found 10/23$206
This Kiwi.com deal was found by Cheapflights users on 10/22. 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.
Mon 11/179:59 amSAT - SJU
Nonstop4h 42mMultiple Airlines
Fri 11/215:19 pmSJU - SAT
1 stop27h 13mMultiple Airlines
Deal found 10/22$210
This Cheapflightsfares deal was found by Cheapflights users on 10/22. 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 12/37:37 pmSAT - SJU
1 stop14h 55mSpirit Airlines
Mon 12/87:00 amSJU - SAT
Nonstop5h 07mSpirit Airlines
Deal found 10/22$213
This Kiwi.com deal was found by Cheapflights users on 10/20. 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 10/314:55 pmSAT - SJU
1 stop7h 49mSpirit Airlines
Fri 11/144:08 pmSJU - SAT
Nonstop5h 07mSpirit Airlines
Deal found 10/20$214
This Cheapflightsfares deal was found by Cheapflights users on 10/23. 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 11/109:59 amSAT - SJU
Nonstop4h 42mSpirit Airlines
Fri 11/2111:55 amSJU - SAT
1 stop8h 37mSpirit Airlines
Deal found 10/23$215

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 October 23, 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

Tue 11/18

11:35 am-11:13 pm

1 stop9h 38m

San Juan Luis Munoz Marin Intl

Thu 12/11

3:32 pm-12:34 am

1 stop11h 02m

$245

San AntonioAguadilla

SAT - BQN

SATBQN

San Antonio

Tue 11/18

12:40 pm-11:57 pm

1 stop9h 17m

Aguadilla Borinquen

Tue 12/9

1:09 am-3:30 pm

2 stops16h 21m

$305

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Tue 1/13

11:43 am-9:26 pm

1 stop7h 43m

San Juan Luis Munoz Marin Intl

Fri 1/16

2:05 am-1:19 pm

2 stops13h 14m

$307

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Sat 11/1

8:00 am-4:33 pm

1 stop7h 33m

San Juan Luis Munoz Marin Intl

Wed 11/12

6:36 pm-12:38 am

1 stop8h 02m

$310

San AntonioAguadilla

SAT - BQN

SATBQN

San Antonio

Tue 11/11

12:40 pm-11:57 pm

1 stop9h 17m

Aguadilla Borinquen

Wed 11/12

1:09 am-10:20 am

1 stop11h 11m

$310

San AntonioAguadilla

SAT - BQN

SATBQN

San Antonio

Mon 11/17

7:05 am-11:57 pm

2 stops14h 52m

Aguadilla Borinquen

Wed 12/10

1:09 am-10:12 am

1 stop11h 03m

$328

San AntonioAguadilla

SAT - BQN

SATBQN

San Antonio

Mon 11/17

7:05 am-11:57 pm

2 stops14h 52m

Aguadilla Borinquen

Tue 12/9

1:09 am-1:12 pm

2 stops14h 03m

$328

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Tue 11/18

12:40 pm-12:36 am

1 stop9h 56m

San Juan Luis Munoz Marin Intl

Wed 12/10

2:05 am-3:30 pm

2 stops15h 25m

$335

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Tue 12/2

12:45 pm-12:35 am

2 stops9h 50m

San Juan Luis Munoz Marin Intl

Wed 12/10

5:45 am-2:30 pm

2 stops10h 45m

$345

San AntonioSan Juan

SAT - SJU

SATSJU

San Antonio

Thu 11/13

12:12 pm-10:22 pm

1 stop8h 10m

San Juan Luis Munoz Marin Intl

Sun 11/16

2:05 am-11:20 am

1 stop11h 15m

$348

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/23

Showing 1-10 of 25 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 December is currently the most expensive (average of $247). 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 October 23, 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.

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 October 23, 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
4,236 reviews

Entertainment

7.5

Boarding

8.1

Crew

8.6

Food

7.0

Comfort

8.0

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
4,236 reviews
Southwest
8.0
Very good
4,236 reviews

Entertainment

7.5

Boarding

8.1

Crew

8.6

Food

7.0

Comfort

8.0

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
7,982 reviews
Southwest
8.0
Very good
4,236 reviews

Entertainment

7.5

Boarding

8.1

Crew

8.6

Food

7.0

Comfort

8.0

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
8,995 reviews
Southwest
8.0
Very good
4,236 reviews

Entertainment

7.5

Boarding

8.1

Crew

8.6

Food

7.0

Comfort

8.0

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
11,032 reviews
Southwest
8.0
Very good
4,236 reviews

Entertainment

7.5

Boarding

8.1

Crew

8.6

Food

7.0

Comfort

8.0

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
8,103 reviews
Southwest
8.0
Very good
4,236 reviews

Entertainment

7.5

Boarding

8.1

Crew

8.6

Food

7.0

Comfort

8.0

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, United Airlines, and Southwest fly from San Antonio to Puerto Rico in about 9h 17m. The time it takes to get you to your destination can typically vary by up to 33m. The distance between San Antonio and Puerto Rico is about 2109 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 $122 on Spirit Airlines. Other airlines that offer cheap prices include Delta from $123 and Frontier from $149 one-way.

  • 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 $250, our data indicates the cheapest price to be $91. The most popular route (San Antonio - San Juan Luis Munoz Marin Intl), is priced around $163.

  • 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 December is currently the most expensive (average of $247). 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 October 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$133Average$545FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$160Average$291FlexibilityNo cancel feeOn-time65%
DeltaCheapest$230Average$429FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$245Average$591FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$268Average$542FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$313Average$489FlexibilityNo cancel feeOn-time71%

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